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TITLE NO

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CHARGING INFORMATION

HEIGHT

SPECIAL WORK AND PREP.

Department of Agronomy
University of Illinois at Urbana-Champaifff

OCT 1 8 198

WERSITY OF ILLINO

DISK-A901029 REC*~450 FONT-l/^' *
PORW+

U -0374 ♦0005 07200-42A CM 32
??-?? UNIVERSITY * OF ILLINOIS * ??-' U
TROI... * RESEARCH * REPORT *

42-22 (NEED TO SEE VOL TO CK. TITLE)

43-24 1 987-88*

42-28 632 » 58* I L 6 1 *

1.987-88*

0017 CALL # IS I SMALL

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Department of Agronomy

University of Illinois at Urbana-Champai^fl?ELIBh

OCT 1 8 198

NIVERSiTY OF 1LL1N0

INTRODUCTORY COMMENTS

This report is a summary of herbicide evaluation studies conducted
by the University of Illinois Department of Agronomy Weed Science
program in 1987. Research from six locations in Illinois are
reported. The purpose of this report is to inform our cooperators
in industry, colleagues at other universities, and other interested
persons of the results of our 1987 field research. Information
herein does not constitute a recommendation or endorsement.
Current recommendations for weed control in field crops are-
available from the University of Illinois cooperative extension
service .

Weed control and crop injury ratings are based on a 0 to 99 scale
with 99 equal to complete kill. Weed species are generally
reported as four-letter NCWCC abbreviations. Herbicides are
referred to by their trade name or experimental number. For your
convenience we have identified individual components of herbicides
formulated as pre-mixes. Components of a pre-mix are listed
directly below the pre-mix name and are preceded by an asterisk
( * ) . A list of weed species and herbicides used in these studies
can be found in the appendix.

In preparing individual studies we tried to be as complete as
possible, however, certain omissions do occur. In addition,
despite careful proofing, certain errors in typing and compilation
may exist. If you believe you found an error and would like
further explanation please contact the appropriate author. We hope
you find this report useful. If you have concerns or suggestions
please feel free to contact us.

Thank You

TABLE OF CONTENTS

INTRODUCTION i

URBANA RESEARCH CENTER

EARLY PREPLANT CORN 1

CORN PREPLANT INCORPORATED 8

CORN PREEMERGENCE GRASS 12

NO-TILL CORN WEED CONTROL STUDY 17

APPLICATIONS METHODS STUDY WITH SC-0051 24

APPLICATIONS METHODS STUDY WITH SC-0774 29

CORN POSTEMERGENCE BROADLEAF STUDY 1 35

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2 40

CORN POSTEMERGENCE GRASS STUDY 1 46

POST-DIRECTED GRASS CONTROL IN CORN 52

INCORPORATION VS . PREEMERGENCE STUDY 55

SOYBEAN PREPLANT HERBICIDE INCORPORATED 2X 59

MORNINGGLORY CONTROL IN SOYBEANS 64

SOYBEAN PREEMERGENCE WEED CONTROL STUDY 69

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX 74

POSTEMERGENCE SOYBEAN GRASS CONTROL STUDY 80

ASSURE (DPX-Y6202-38) AND POAST ADDITIVE STUDIES 84

POST-DIRECTED BROADLEAF CONTROL IN SOYBEANS 89

POSTEMERGENCE BROADLEAF WEED CONTROL IN SOYBEANS 1 92

POSTEMERGENCE BROADLEAF WEED CONTROL IN SOYBEANS 2 97

STUDY OF PIGWEED CONTROL IN SOYBEANS 103

SOYBEAN POST GRASS ANTAGONISM STUDY 107

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS 114

CLASSIC AND DPX-M6316, ADDITIVE VS. RATE 122

CHLORIMURON ADDITIVE STUDY 128

BROWNSTOWN RESEARCH CENTER

CORN PREEMERGENCE STUDY 134

NO-TILL SOYBEAN WEED CONTROL STUDY 138

BROWNSTOWN PPI VS . PREEMERGENCE SOYBEANS 146

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY 151

ELWOOD RESEARCH CENTER

ELWOOD SCREENING STUDY 157

THIAMETURON AND CHLORIMURON COMBINATIONS 167

ii

TABLE OF CONTENTS (cont.)

ORR / PERRY RESEARCH CENTER

FERTILIZER ADDITIVES FOR BLAZER AND BASAGRAN 175

FERTILIZER ADDITIVES FOR BLAZER AND BASAGRAN COMBINATIONS . 1 7 9

MONMOUTH RESEARCH CENTER

MONMOUTH CORN PREEMERGENCE STUDY 183

MONMOUTH POSTEMERGENCE CORN HERBICIDE STUDY 187

MONMOUTH PPI VS. PREEMERGENCE SOYBEAN STUDY 191

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY 196

OTHER LOCATIONS

POSTEMRGENCE CRABGRASS CONTROL IN SOYBEANS 201

EARLY PRE-PLANT SOYBEAN WEED CONTROL 204

WILD GARLIC CONTROL IN WHEAT 210

APPENDIXES

A
B
C
D
E

HERBICIDES EVALUATED IN 1987 213

INDEX OF WEED SPECIES REPORTED 215

PREMIXED HERBICIDE COMBINATIONS FOR CORN AND SOYBEANS ... 2 1 6

MAP SHOWING 1987 RESEARCH LOCATIONS 218

RAIN DATA FOR; BROWNSTOWN , MONMOUTH, AND URBANA 219

Ill

ACKNOWLEDGEMENT

WE WOULD LIKE TO RECOGNIZE AND THANK THE FOLLOWING INDIVIDUALS
FOR THEIR ASSISTANCE WITH TH-F U OF I WEED SCIENCE FIELD EVALUATION
PROJECT DURING 1987. THROUGH THEIR COOPERATIVE EFFORTS THIS
PUBLICATION IS MADE POSSIBLE.

RESEARCH CENTER SUPERINTENDENTS

GRADUATE STUDENTS

WILLIAM H. BRINK (BROWNSTOWN)
MICHAEL J. MAINZ (MONMOUTH)
M. GENE OLDHAM (URBANA)
LYLE E. PAUL (DEKALB & ELWOOD)
GLENN A. RAINES (ORR)

RESERCH CENTER FARM FOREMEN

JAMES L. CARTER (BROWNSTOWN)
DALE E. HARSHBARGER (ELWOOD)
DAVID R. LINDGREN (DEKALB)
MICHAEL E. PLOTNER (URBANA)
J. JAY SUTOR (MONMOUTH)

SECRETARIAL STAFF

KAY SAWYER
JEAN CRESWELL

STUDENT WORKERS

SCOTT BEAM
THOMAS J . KLADAR
CRAIG MAKI
JEFF RUPP

THOMAS H. BECKETT
JOHN R. CANTWELL
ROBERT J . FIELDING
GWEN FLEMING

ROGER E
MICHAEL
FRITZ K
MARK M.
MIKE A.
MICHAEL
LARESA

. GAST

J . HORAK
. KOPPATSCHECK

LOUX

NORMAN

S. ORFANEDES
W. PORTER

RANDY WHITE

U. OF I . /U. S .D.A.
TECHNICAL STAFF

HAROLD S . BUTLER
WILLIAM S. CURRAN
BENJAMIN L. GARDNER
DAVID R. PIKE
RICHARD E. STEVENS

SINCERELY,

REX A. LIEBL, PROFESSOR OF AGRONOMY
MARSHAL D. MCGLAMERY, PROFESSOR OF AGRONMY
EDWARD W. STOLLER, PROF. OF PLANT PHYSIOLOGY, USDA
LOYD M. WAX, PROF. OF PLANT PHYSIOLOGY, USDA-ARS
JOHN R. CANTWELL, ASSISTANT AGRONOMIST

ARS

IV

ACKNOWLEDGMENT

SPECIAL THANKS TO THE FOLLOWING AGRICULTURAL ORGANIZATIONS FOR
THEIR SUPPORT COMMITMENT TO THE WEED SCIENCE PROGRAM IN THE
DEPARTMENT OF AGRONOMY AT THE UNIVERSITY OF ILLINOIS AT URBANA-
CHAMPAIGN:

UNIVERSITY OF ILLINOIS AGRICULTURAL EXPERIMENT STATION

AMERICAN CYANAMID COMPANY

BASF WYANDOTTE CORPORATION

CHEVRON CHEMICAL COMPANY

CIBA-GEIGY CORPORATION

DOW CHEMICAL COMPANY

E.I. DUPONT DE NEMOURS AND COMPANY

ELANCO PRODUCTS COMPANY

FMC CORPORATION

GRIFFEN CORPORATION

HOECHST-ROUSSEL AGRI-VET COMPANY

ICI AMERICAS INC.

MOBAY CHEMICAL CORPORATION

MONSANTO CHEMICAL COMPANY

NOR-AM AGRICULTURAL PRODUCTS, INC.

PPG INDUSTRIES, INC.

RHONE-POULENC INC.

ROHM & HAAS COMPANY

SANDOZ CROP PROTECTION CORPORATION

STAUFFER CHEMICAL COMPANY

TERRA INTERNATIONAL, INC.

UNION CARBIDE AGRICULTURAL PRODUCTS COMPANY, INC.

UNIROYAL CHEMICAL

UNIVERSITY OF ILLINOIS

Early Preplant Corn

LOCATION :URBANA CRUSE FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP : SOYBEANS PLOT / Ft:10x38 ROW WIDTH/In:30

PREVIOUS TILL:ZERO (NO TILL)

SOIL TEXTURE: SILTY CLAY LOAM OM%:5.0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

FERTILIZER :200#

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE : 05/10/87 DEPTH/In: 1 . 5 NUM . PLANTS/ACR . @28,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

In the fall of 1986 our zero till area that had been set aside was
accidentaly tilled. Therefore a new area was chosen, mixed annual weed seed was
applied at the rate of 5 0 # / A on March 15. However, a relatively dry spring
resulted in little weed growth. No weeds were present at early preplant date of
application. Herbicide treatments performed well but were not significantly
better than controls on May 10. The area was abandoned and grew weed free corn.

Early Preplant Corn

** SET 1 OF 1 **

APPLIC. 1

APPLIC. 2|

APPLIC. 3|

APPLIC. 4

APPLIC. 5

GEN. APPLIC. TYPE

EARLY PREPL

APPLICATION DATE

04/02/87

/ / 1

/ /

/ /

/ /

JULIAN DATE/YEAR

J 92/87

J

0/00

J

0/00

J

0/00

J

0/00

START HR / END HR

06 : 30/08: 30

: / :

: / :

: / :

: / :

APPLIC. METHOD

EPP

AIR/SOIL TEMP (F)

35 / 32

0

/ o

0

/ o

0

/ o

0

/ o

% REL. HUMIDITY

40

0

0

0

0

WIND DIR. / VELOC

NW / 09

/ o

/ o

/ o

/ o

SKY / SOIL COND.

CLEAR/COLD

/

/

/

/

SOIL/LEAF MOIST..

OPT /

/

/

/

/

INCORP. EQUIPMENT

INCORP. DEPTH(in)

0

0

0

0

0

SPRAYER TYPE

HAND HELD

SPRAYER GPA / PSI

25 / 30

0

/ o

0

/ o

0

/ o

0

/ o

MIX SIZE (Gallon)

.66

0

0

0

0

NOZZLE TYPE /NUM.

8003 / 6

RAINFALL/IRRIG. in

0-24 HR/1-3 DAYS

0 / 0

/

/

/

/

4-7 DAYS/2ND WEEK

0 / 0

/

/

/

/

3RD WEEK/4TH WEEK

.07 / . 3

/

/

/

/

| SPECIES
ICODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG .

APPLIC. 3
DEN. /STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

I -k-k-k-k-k -k -k

| ZEAMA

•k-k-k-k-k-k CROP *******

CORN
•k-k-k-k-k-k PEST * * * * * *

1|

2|
3|
4|
5|

6|

1\
8|
9|

■k-kickickick-k

0/0

•k -k -k i< -k -k -k -k -k

/
/
/
/
/
/
/
/
/

•k-k-k-k-k'kic-k-k

/
■k -k -k -k * * * * *

/
/
/
/
/
/
/
/
/

•k -k -k -k -k -k -k -k -k

/
•k -k -k -k -k -k -k -k -k

/
/
/
/
/
/
/
/
/

•k -k ie -k -k -k -k -k -k

/
•k-kick-k-k-k-krk

/
/
/
/
/
/
/
/
/

■k-k-k-k-k-k-k-k-k

/
■k -k -k -k -k -k -k -k -k

/
/
/
/
/
/
/
/
/

UNIVERSITY OF ILLINOIS

Early Preplant Corn

EXPT. LOCATION: Cruse South,
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE

TRT
NO.

NAME

APPLI- |WEEDS |

CATIONI |

FORMU. LBai/A TYPE | 5/10/8 7 |

01 BLADEX

DG 90% 4.0

02 CONQUEST DG 90% 4.0
*BLADEX 3.0
*ATRAZIN 1.0

03 EXTRAZIN DG 90% 4.0
*BLADEX 2.67
*ATRAZIN 1.33

EPP
EPP

EPP

04 BLADEX DG 90% 2.0 EPP
ATRAZINE DG 90% 2.0 EPP

0

0

0

0

05

ATRAZINE

DG

90%

3

0

EPP

06

BLADEX

DG

90%

2

4

EPP

BLADEX

DG

90%

1

6

PRE

07

CONQUEST

*BLADEX

*ATRAZIN

DG

90%

2
1
0

4
8
6

EPP

CONQUEST

DG

90%

1

6

PRE

*BLADEX

1

2

*ATRAZIN

0

4

08

EXTRAZIN

*BLADEX

*ATRAZIN

DG

90%

2
1
0

4
6
8

EPP

EXTRAZIN

DG

90%

1

6

PRE

*BLADEX

1

07

*ATRAZIN

0

53

09

ATRAZINE

DG

90%

1

2

EPP

BLADEX

DG

90%

1

. 2

EPP

ATRAZINE

DG

90%

0

. 8

PRE

BLADEX

DG

90%

0

. 8

PRE

0
0

0

0

0

10 CHECK

0

UNIVERSITY

0 F

ILLINOIS

Early Preplant Corn

PESTICIDE

TRT.

NO. NAME

APPLI- | WEEDS |

CATIONI J

FORMU. LBai/A TYPE | 5/10/8 7 j

11 ATRAZINE DG 90% 1.8 EPP
ATRAZINE DG 90% 1.2 PRE

0

12 BICEP
*DUAL
*ATRAZIN

FL 6 . 0

4 . 5
2 . 5
2 .0

EPP

13 LAS/ATR
*LASSO
*ATRAZIN

FL 4 . 00

5 .0
3 . 12
1. 88

EPP

0

14 BICEP
*DUAL
*ATRAZIN
BICEP
*DUAL
*ATRAZIN

FL 6 . 00

FL 6 .0

2
1
1
1
1
0

7
5
2
8
0
8

EPP

PRE

15 LAS/ATR
*LASSO
*ATRAZIN
LAS/ATR
*LASSO
*ATRAZIN

FL 4 . 0

FL 4.0

3
1
1

2
1

1

0

88

12

0

25

0

EPP

PRE

0

16 BLADEX
LAS/ATR
*LASSO
*ATRAZIN

DG
FL

90%
4.0

3 .0
4.0
2 . 5
1 . 5

EPP
PRE

0

17 BLADEX
BICEP
*DUAL
*ATRAZIN

DG
FL

90%
6 .0

3 . 0
3 . 6
2 . 0
1 .6

EPP
PRE

18

BLADEX
BLADEX
COC

DG 90%
DG 90%
%C 1 . 0

3
2

1

0
0
0

EPP
S P - 3 "

S P - 3 "

19

BLADEX
BLADEX
TANDEM
COC

DG 90%
DG 90%
EC 4 . 0
%C 1 . 0

2.4
1 . 6
0. 5

1 .0

EPP
S P - 3 "
S P - 3 "
S P - 3 "

UNIVERSITY

0 F

ILLINOIS

Early Preplant Corn

PESTICIDE

TRT. ---

NO. NAME

APPLI- | WEEDS |

CATION | |

FORMU. LBai/A TYPE | 5/ 1 0/8 7 |

20 CHECK

21 BLADEX DG 90% 2.4 EPP
ATRAZINE DG 90% 1.5 S P - 3 "
TANDEM EC 4.0 0.5 S P - 3 "
COC %C 1 . 0 1.0 SP- 3"

0
0

22 ATRAZINE DG 90% 2.0 EPP

BLADEX DG 90% 1.6 SP-3"
COC %C 1 . 0 1.0 SP-3"

0

23

BLADEX
TANDEM
COC

DG
EC

%C

90%
4.0
1 .0

2
0
1

0

5
0

EPP
SP-3"

S P - 3 "

0

24

SC0774
R29148

WP
WP

75%
75%

1 .0
0 . 166

EPP
EPP

0

25

SCO/74
R29148

WP 75%
WP 75%

1
0

25 EPP
208 EPP

0

26 SC0774 WP 75% 1.0 EPP
R29148 WP 75% 0.166 EPP
ATRAZINE DG 90% 1.50 EPP

27 SC0774 WP 75% 1.25 EPP
R29148 WP 75% 0.208 EPP
ATRAZINE DG 90% 1.50 EPP

0

28 SC0774 WP 75% 0.75 EPP

R29148 WP 75% 0.125 EPP

ATRAZINE DG 90% 0.90 EPP

SC0774 WP 75% 0.50 PRE

R29148 WP 75% 0.083 PRE

ATRAZINE DG 90% 0.60 PRE

0

29 SC0774 WP 75% 1.0 PRE
R29148 WP 75% 0.166 PRE

0

30 SC0774 WP 75%+ 1.25 PRE
R29148 WP 75% 0.208 PRE

0

UNIVERSITY

0 F

ILLINOIS

Early Preplant Corn

PESTICIDE

TRT.

NO. NAME

APPLI - | WEEDS |

CATION| |

FORMU. LBai/A TYPE j 5/ 10/8 7 |

31 CHECK

32 SC0774 WP 75%
R29148 WP 75%
ATRAZINE DG 90%

33 SC0774 WP 75%
R2 914 8 WP 7 5%
ATRAZINE DG 90%

0

1

,0

PRE

0

0

, 166

PRE

1

. 50

PRE

1 ,

, 25

PRE

0

0

, 208

PRE

1

, 50

PRE

34 TANDEM EC 4.0 1.50 EPP

DPXM6316 DF 75% .0078 SP-3"

0

35 TANDEM EC 4 . 0
DPXM6316 DF 75%

1.50 EPP
.0156 SP-3

0

36 TANDEM EC 4 . 0
DPXM6316 DF 75%
X-77 %S 1.0

1.50 EPP
.0156 SP-3"
.25% SP-3"

0

37 TANDEM EC 4 . 0
DPXM6316 DF 75%
X-77 %S 1 .0

1 . 50 EPP
.0078 SP-3"
.25% SP-3"

0

38 DPXM6316 DF 75%
BLADEX DG 90%
X-77 %S 1 . 0

.0078 SP-3"
1.5 SP-3"
.25% SP-3"

0

39 DPXM6316 DF 75%
BLADEX DG 90%
X-77 %S 1 .0

.0156 SP-3"
1.5 SP-3"
.25% SP-3"

0

40

41

42

43

LASSO

EC

4 ,

0

2 .

0

EPP

0

2-4D

EC

3 .

8

0.

5

SP-3"

CHECK

0

LASSO MT

FL

4,

.0

2 .

0

EPP

0

2-4D

EC

3

.8

0,

. 5

SP-3"

LASSO

EC

4

.0

1

. 5

EPP

0

LASSO

EC

4

. 0

1

. 0

PRE

2-4D

EC

3

. 8

0

. 5

SP-3"

UNIVERSITY OF ILLINOIS

Early Preplant Corn

PESTICIDE APPLI-|WEEDS | | |

TRT. -- CATIONJ I | |

NO. NAME FORMU. LBai/A TYPE | 5/ 1 0/8 7 | | |

44 LASSOMT FL 4 . 0 1.5 EPP 0

LASSOMT FL 4 .0 1.0 PRE
2-4D EC 3 . 8 0.5 SP-3"

LSD(0.05) - NA

STANDARD DEVIATION = NA

COEFF. OF VARIABILITY = NA

8

UNIVERSITY OF ILLINOIS

CORN HERBICIDES PREPLANT INCORPORATED

LOCATION :URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATORrGENE OLDHAM

REPORTED BY:M. D. MCGLAMERY

PREVIOUS CROP:CORN PLOT / Ft:10x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE : SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 2

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE:04/21/87 DEPTH/In:1.5 NUM . PLANTS/ACR . @28,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLY:LOW MID:MED LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Grass control was rated 5/20/87 prior to 2,4-D application on 5/25/87 when
corn was in the 6 leaf stage. Pigweed control on 5/20 was 100% in all plots
except the checks. Jimsonweed and tall morningglory were rated after
the 2-4D applications.

EPTC provided 100% grass control and better morningglory control than
butylate before 2,4-D treatment. PPG-1259 improved broadleaf weed control over
atrazine alone. A thunderstorm approx. 2 weeks after 2,4-D application caused
severe corn "lean" which lasted for several days. Corn recovered
completely from the 2,4-D injury within 2 weeks.

CORN PREPLANT INCORPORATED ]

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. r)
GEN. APPLIC. TYPE| PPI | POST | | |

APPLICATION DATE | 04/21/87 | 05/2 5/87 | / / 1 / / 1 / /
JULIAN DATE/YEAR j Jlll/87 | J146/87 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 06 : 00/0 7 : 00 | 06 : 00/0 7 : 00 | : / : | : / | : / :
APPLIC. METHOD | PPI | POST j | |
AIR/SOIL TEMP ( F) | 70 / 60 | 90 / 80 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY j 7 5 j 9 0 |0 |0 |0
WIND DIR. / VEL0C|NE / @5 | SW /05 |/0 |/0 |/0
SKY / SOIL COND. | CLEAR/ DRY | CLDY/ DRY | / | / | /
SOIL/LEAF MOIST. | / |ADQ / ADQ | / | / | /
INCORP. EQUIPMENTI FAST FINISH| | | |
INCORP. DEPTH(in)|4 |0 |0 jO |0
SPRAYER TYPE | HAND HELD | HAND HELD | | |
SPRAYER GPA / PSI|20 / 30 | 20 / 40 | 0 / 0 | 0 / 0 j 0 / 0
MIX SIZE (Gallon) | . 502 | . 50 2 |0 |0 |0
NOZZLE TYPE /NUM. j 8003/5 | 8002/5 | | j

RATWFAll /TRRTP inl -.

0-24 HR/1-3 DAYS | 0 / 0 . 2 8 | 0 / | / | / | /
4-7 DAYS/2ND WEEK|0.55 / 0 | / | / | / | /
3RD WEEK/4TH WEEK|0.50 / 1 . 52 | / 1 / 1 / I /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN ./STG .

APPLIC. 4
DEN./STG .

APPLIC. 5
DEN . /STG .

•*• ■* -k -k -k -k -k

ZEAMA

•k -k -k ~k -k -k ~k

ANMG
GIFT
JIWE

****** CROP ******

CORN
****** PEST ******
TALL MORNINGGLORY
GIANT FOXTAIL
JIMSON WEED

*********

- / -
*********

- / -

- / -

- / -
/

/
/
/
/
/

*********

- / 20"
*********

H /VINE
H / 12"
M / 12"

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

10

UNIVERSITY

0 F

ILLINOIS

CORN PREPLANT INCORPORATED 1

EXPT. LOCATION:M-17E

RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE

TRT.

NO. NAME

APPLI- | | | |CROP |

CATION|% GIFT |% ANMG |% JIWE |% INJ . |

FORMU. LBai/A TYPE | 5/20/8 7 | 6/01/8 7 | 6/0 1/8 7 | 6/01/8 7 |

01 SUTAN EC 6 . 7 4.0 PPI
ATRAZINE DG 90% 1.5 PPI

90

78

93

0

02 SUTAN+ EC 6.7 4.0 PPI
24DAMINE EC 3.8 0.5 @ 20"

03 ERADICAN EC 6.7 4.0 PPI
24DAMINE EC 3 . 8 0.5 @ 20"

04 ERADICAN EC 6.7 4.0 PPI
ATRAZINE DG 90% 1.5 PPI

98

99

99

98

99

93

83

9 9

93

22

22

0

05 SUTAN FL 4.0 4.0 PPI
*ENCAP.

24DAMINE EC 3 . 8 0.5 @ 20"

06 ERADICAN FL 3.0 4.0 PPI
*ENCAP .

24DAMINE EC 3.8 0.5 @ 20"

07 GENEP EC 7.0 4.0 PPI
24DAMINE EC 3.8 0.5 @ 20"

08 GENEP EC 7.0 4.0 PPI
ATRAZINE DG 90% 1.5 PPI

99

99

99

99

98

99

99

97

70

99

99

99

15

22

22

0

09 CHECK

10 GENATE+ EC 6.7 4.0 PPI
24DAMINE EC 3.8 0.5 @ 20"

11 GENATE+ EC 6.7 4.0 PPI
PPG-4000 FL 4. 8 0.9 PPI
*PPG1259 .15
*ATRAZIN .75

0
99

98

0
93

83

0
77

93

0
20

0

12 GENATE+ EC 6.7 4.0 PPI
BLADEX+ DG 90% 1.5 PPI
PPG-1259 FL 4. 8 0.15 PPI

99

90

90

23

11

UNIVERSITY

0 F

ILLINOIS

CORN PREPLANT INCORPORATED 1

PESTICIDE

TRT .

NO. NAME

FORMU

APPLI - | | | | CROP |

CATION|% GIFT |% ANMG |% J1WE |% INJ. |

LBai/A TYPE | 5/20/87 | 6/01/87 | 6/01/87 | 6/01/87 |

13 GENATE+ EC
PPG-4000 FL
*PPG1259
*ATRAZIN

6

4

7

8

4 . 0
1 . 8
0. 3
1 . 5

PPI
PPI

99

95

99

14 GENATE+ EC 6.7 4.0 PPI
ATRAZINE DG 90% 1.5 PPI

99

78

92

0

15 DUAL+ EC 8.0 2.5 PPI
ATRAZINE DG 90% 1.5 PPI

99

63

93

0

LSD(0 .05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

4
3
3

13
8
9

15

9

10

8

5

47

12

UNIVERSITY OF ILLINOIS

CORN PREEMERGENCE GRASS HERBICIDES

LOCATION :URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:M. D. McGLAMERY

PREVIOUS CROP:CORN PLOT / Ft:7.5x35 ROW WIDTH/In:30

PREVIOUS Tl LL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 2

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARIETY : PIONEER 3377

PLANTING DATE: 04/20/87 DEPTH/In : 1 . 5 " NUM . PLANTS/ACR . @28,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLYrLOW MID:MOD LATE:ADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Preemergence grass herbicides performed surprisingly well considering the
limited rainfall. The 2X rates worked better than the X rates. The
encapsulated thiocarbamates did not provide adequate foxtail control. Rainfall
was not adequate for atrazine to control morninglory the only prodominent
broadleaf species. The 5.9FL Bicep gave better weed control than did the
6.0FL. BAS-514 had better broadleaf control than grass control, and showed
benzoic like injury syptoms on uncontrolled broadleaves after rainfall. Corn
injury was minimal and likely attributable to the lack of early rainfall.

13

CORN PREEMERGENCE GRASS 1

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE III

APPLICATION DATE | 04/21/87 | / / 1 / / 1 / / 1 / /

JULIAN DATE/YEAR | Jlll/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR | 0 3 : 00/04 : 00 | : / : j : / : j : / : j : / :

APPLIC. METHOD | PRE III

AIR/SOIL TEMP (F) J 75 / 60 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY j 75 |0 |0 |0 |0

WIND DIR. / VELOC|NE / @5 j / 0 | / 0 | / 0 j/0

SKY / SOIL COND. j CLDY / DRY | / | / | / | /

SOIL/LEAF MOIST, j / | / | / | / | /

INCORP. EQUIPMENTI NONE 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE j HAND HELD j j j j

SPRAYER GPA / PSI|20 / 30 |0 / 0 |0 / 0 j 0 / 0 |0 / 0

MIX SIZE (Gallon)|.40 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8003/5 III

RATNFATT /TRRTfl inl

0-24 HR/1-3 DAYS | 0 . 28 / 0 . 5 5 | / I / I / I /
4-7 DAYS/2ND WEEK| 0 / 0 j / j / | / | /
3RD WEEK/4TH WEEK|0.50 / 1 . 52 | / / 1 / 1 /

SPECIES

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

APPLIC. 5

CODE
.

SPECIES

DEN. /STG .

DEN . /STG .

DEN . /STG .

DEN . /STG .

DEN ./STG .

•k -k -k -k -k -k -k

****** CROP ******

* *

*******

*********

*********

*********

******-*■&■*

ZEAMA

CORN

-

/6-Lf .

/

/

/

/

•k -k -k k -k -k -k

****** PEST ******

* *

*******

*********

* * * vV * * * * *

***** * * * *

******** *

1

GIFT

GIANT FOXTAIL

H

/ -

/

/

/

/

2

TAMG

TALL MORNINGGLORY

H

/ -

/

/

/

/

3

/

/

/

/

/

4

/

/

/

/

/

5

/

/

/

/

/

6

/

/

/

/

/

7

/

/

/

/

/

8

/

/

/

/

/

9

/

/

/

/

/

14

UNIVERSITY OF ILLINOIS

CORN PREEMERGENCE GRASS 1

EXPT. LOCATION:M-17E/CHAMPAIGN
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|% CONT . | % CONT . | | |

TRT. - CATIONJ GIFT | TAMG | | |

NO. NAME FORMU. LBai/A TYPE | 5/20/8 7 | 5/20/8 7 | | |

01 DUAL EC 8.0 2.0 PRE 80 0
ATRAZINE DG 90% 1.0 PRE

02 DUAL EC 8.0 4.0 PRE 87 43
ATRAZINE DG 90% 1.0 PRE

03 LASSO EC 4.0 2.5 PRE 60 33
ATRAZINE DG 90% 1.0 PRE

04 LASSO EC 4.0 5.0 PRE 77 33
ATRAZINE DG 90% 1.0 PRE

05 CG180937 EC 7.8 2.0 PRE 70 57
ATRAZINE DG 90% 1.0 PRE

06 CG180937 EC 7.8 4.0 PRE 78 47
ATRAZINE DG 90% 1.0 PRE

07 SAN-582 EC 8.0 1.5 PRE 83 33
ATRAZINE DG 90% 1.0 PRE

08 SAN-582 EC 8.0 3.0 PRE 85 23
ATRAZINE DG 90% 1.0 PRE

09 HARNESS EC 7.5 2.0 PRE 99 23
ATRAZINE DG 90% 1.0 PRE

10 HARNESS EC 7.5 4.0 PRE 83 10
ATRAZINE DG 90% 1.0 PRE

11 SUTAN FL 4.0 4.0 PRE 37 27
*ENCAP.

ATRAZINE DG 90% 1.0 PRE

12 SUTAN FL 4.0 6.0 PRE 53 33
*ENCAP .

ATRAZINE DG 90% 1.0 PRE

15

UNIVERSITY OF ILLINOIS

CORN PREEMERGENCE GRASS 1

PESTICIDE APPLI-|% CONT |% CONT I I | |

TRT. CATION | GIFT | TAMG | | | |

NO. NAME FORMU. LBai/A TYPE | 5/20/87 | 5/20/8 7 | | | |

13 ERADICAN FL 3.0 4.0 PRE 73 33
*ENCAP .

ATRAZINE DG 90% 1.0 PRE

14 ERADICAN FL 3.0 6.0 PRE 67 53
*ENCAP .

ATRAZINE DG 90% 1.0 PRE

15 SUTAN+ EC 6 . 7 6.0 PRE 20 23
ATRAZINE DG 90% 1.0 PRE

16 ERADICAN EC 6.7 6.0 PRE 43 37
ATRAZINE DG 90% 1.0 PRE

17 BICEP FL 6.0 3.35 PRE 47 3
*DUAL 1.86

*ATRAZIN 1.5

18 BICEP FL 6.0 6.7 PRE 67 17
*DUAL 3.72

*ATRAZIN 2.98

19 BICEP FL 5.9 3.35 PRE 83 23
*DUAL 1.89

*ATRAZIN 1.52

20 BICEP FL 5.9 6.7 PRE 88 27
*DUAL 3.78

*ATRAZIN 3.04

21 ATRAZINE DG 90% 1.5 PRE 23 23

22 ATRAZINE DG 90% 3.0 PRE 53 30

23 BAS-514 WP 50.0 0.5 PRE 70 50

24 BAS-514 WP 50.0 1.0 PRE 67 80

25 BAS-514 WP 50.0 2.0 PRE 89 82

26 BAS-514 WP 50.0 0.5 PRE 60 5/
ATRAZINE DG 90% 1.5 PRE

16

UNIVERSITY OF ILLINOIS

CORN PREEMERGENCE GRASS 1

PESTICIDE APPLI-|% CONT . | % CONT . | |

TRT. CATIONJ GIFT | TAMG | |

NO. NAME FORMU. LBai/A TYPE | 5/2 0/87 | 5/20/8 7 | |

27 BAS-514 WP 50.0 1.0 PRE 53 60
ATRAZINE DG 90% 1.5 PRE

28 BAS-514 WP 50.0 2.0 PRE 77 57
ATRAZINE DG 90% 1.5 PRE

LSD(0.05) = 18 29

STANDARD DEVIATION - 11 17

COEFF. OF VARIABILITY = 16 47

17

UNIVERSITY OF ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

LOCATION:MONMOUTH RESEARCH STATION

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :MIKE MAINZ

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:10x35 ROW W1DTH/In:30

PREVIOUS TILL:ZERO

SOIL TEXTURE:SILT LOAM OM% : 2 . 5 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARIETY:

PLANTING DATE: 05/04/87 DEPTH/In:1.5 NUM . PLANTS/ACR . (324,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID: LOW LATE

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

OUR NO-TILL AREA AT URBANA WAS ACCIDENTALLY TILLED IN THE FALL OF 1986
WHICH NECESSITATED MOVING THE STUDY TO MONMOUTH, ILLINOIS. THE EXPERIMENTAL AREA
AT MONMOUTH WAS IN NO-TILL CORN AND HAD COMPLETE FAILURE OF GIANT FOXTAIL
CONTROL IN 1986. THE COMBINATION OF EXTREMELY THICK SURFACE RESIDUE ( BOTH
FOXTAIL AND CORN) AND THREE WEEKS OF VERY HOT DRY WEATHER FOLLOWING APPLICATION
GREATLY REDUCED HERBICIDE EFFICACY. CONTROL OF EXISTING WEEDS AS WELL AS NON -
EMERGED WEEDS WAS VERY POOR. THEREFORE NO RATINGS WILL BE REPORTED.

IN GENERAL ROUNDUP AND IGNITE AFFORDED FAIR CONTROL OF GIANT FOXTAIL
PRESENT AT APPLICATION. THE CARRIER VOLUME (20GPA) WAS INSUFFICIENT FOR GOOD
PARAQUAT PERFORMANCE UNDER THE CONDITIONS OF THIS STUDY, 40 GALLON PER ACRE

WATER WOULD HAVE BEEN JUSTIFIED. TR1AZINE-0IL COMBINATIONS ALSO SUFFERED FROM
INSUFFICIENT CARRIER VOLUME, COMBINED WITH DROUTHY FOXTAIL AT APPLICATION
RESULTED IN VIRTUALLY NO CONTROL FROM THESE TREATMENTS. THERE WAS LITTLE
RESIDUAL CONTROL OF UNEMERGED GIANT FOXTAIL, THEREFORE AFTER OBSERVATION THE
STUDY WAS MOLDBOARD PLOWED.

_,

18

NO-TILL CORN WEED CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE ill

APPLICATION DATE |05/06/87 | / / I / / I / / 1 / /
JULIAN DATE/YEAR | J126/87 | J O/OO | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 1 0 : 00/14 : 00 | :/:|:/:|:/:|:/:
APPLIC. METHOD | PRE 1 1 1 1
AIR/SOIL TEMP (F)|88 / 65 |0 / 0 |0 / 0 jo / 0 jo / 0
% REL. HUMIDITY |85 |0 |0 |0 |0
WIND DIR. / VELOC|NE /09 |/0 j / 0 | / 0 |/0
SKY / SOIL COND. | CLEAR/ DRY | / | / | / | /
SOIL/LEAF MOIST. | / | / | / j / | /
INCORP. EQUIPMENT! till
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE | HAND HELD j j j j
SPRAYER GPA / PSI|20 / 40 | 0 / 0 j 0 / 0 jo /0|0 /0
MIX SIZE (Gallon)|0.5 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8002/5 III

RATMPATT /TRRTP in 1 -- - ..... ..

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / | / I / I / 1 /
3RD WEEK/4TH WEEK | / / / 1 / 1 /

| SPECIE
| CODE
I

SPECIES

APPLIC. 1
DEN./STG .

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

| ZEAMA

I -k -k -k -k -k -k -k

■k-k-k-k-k-k CROP ******
CORN

****** PEST ******

II
2|
3|
M
5|
6|
7|
8|
9|

*********

- / -
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

19

UNIVERSITY

0 F

ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

EXPT. LOCATION :MONMOUTH , IL
RESEARCH BY : CANTWELL/LEI BL/WAX

PESTICIDE APPLI-|GIFT |

TRT. -- CATIONJ J

NO. NAME FORMU. LBai/A TYPE | 6/04/8 7 |

01

02

03

04

05

06

07

08

09

10

ROUND-UP

EC

4.0

1

0

PRE

ATRAZINE

DG

90%

1

5

PRE

DUAL

EC

8 .0

2

25

PRE

ROUND-UP

EC

4 . 0

1

0

PRE

ATRAZINE

DG

90%

1

5

PRE

ROUND-UP

EC

4.0

1

0

PRE

ERADACAN

SC

3 .0

6

0

PRE

*FERT .

ROUND-UP

EC

4.0

1

0

PRE

ERADACAN

SC

3 . 0

6

0

PRE

*ENCAP .

ROUND-UP

EC

4.0

1

0

PRE

ERADACAN

SC

3 . 0

6

0

PRE

*ENCAP.

ATRAZINE

DG

90%

1

5

PRE

ROUND-UP

EC

4 . 0

1

0

PRE

ERADACAN

SC

3 .0

6

0

PRE

*FERT.

ATRAZINE

DG

90%

1

5

PRE

ROUND-UP

EC

4 .0

1

0

PRE

ERADACAN

EC

6 . 7

6

0

PRE

ROUND-UP

EC

4.0

1

0

PRE

24DAMINE

EC

3 .8

0

5

POST

ROUND-UP

EC

4 . 0

1

0

PRE

LAS/ATR

FL

4 . 0

4

. 5

PRE

*LASSO

2

. 5

*ATRAZIN

2

. 0

ROUND-UP

EC

4.0

1

.0

PRE

BLADEX

DG

90%

2

. 5

PRE

0

0

0

0

0

0

0

0

0

0

20

UNIVERSITY OF ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

PESTICIDE APPLI-|GIFT I I I I

TRT. -- CATION | I I I I

NO. NAME FORMU. LBai/A TYPE | 6/04/8 7 |

11

12

13 ROUND-UP EC 4.0 1.0 PRE 0

14 ROUND-UP EC 4.0 1.0 PRE 0

15 ROUND-UP EC 4.0 1.0 PRE 0

19

ROUND-UP
PPG-4000
DUAL

EC
FL
EC

4.
4.
8 .

0
8
0

1 .
1.

2 .

0
2
25

PRE
PRE
PRE

ROUND-UP
PPG-4000
DUAL
PPG-4000

EC
FL
EC
FL

4.
4.
8 .
4.

0
8
0
8

1 .
1.

2 .
0.

0
2

25
6

PRE
PRE
PRE
POST

ROUND-UP
RS-012

EC
EC

4.
3 .

0
75

1.
0.

0
9

PRE
POST

ROUND-UP

RS-012

ATRAZINE

EC
EC
DG

4.0
3. 75
90%

1 .

0 ,

1 .

0
9
5

PRE

POST

POST

ROUND-UP

RS-012

BLADEX

EC
EC
DG

4.0
3. 75
90%

1 .
0.

1 .

0

9

, 25

PRE

POST

POST

ROUND-UP
LASSO
ATRAZINE
COC

EC
EC
DG
CO

4.0
4. 0
90%
1.0

1 ,

2 ,
1,
0

,0
. 75
, 5
.25

PRE
PRE
POST
POST

PARAQUAT
LASSO
X-77
BANVEL

SC
EC
%S
SC

2
4
1
2

.0
.0
.0
.0

0
2
0
0

. 5
. 75
. 25%
. 38

PRE
PRE
PRE
POST

PARAQUAT
LASSO
X-77
BUCTRIL

SC
EC
%S
EC

2

4
1
2

.0
. 0
.0
.0

0
2
0
0

. 5
, 75
. 25%
. 38

PRE
PRE
PRE
POST

PARAQUAT

LASSO

X-77

BUCTRIL

ATRAZINE

SC
EC
%S
EC
DG

2.0
4.0
1.0
2 .0
90%

0
2
0
0
1

. 5
. 75
. 25%
. 38
. 5

PRE

PRE

PRE

POST

POST

16 ROUND-UP EC 4.0 1.0 PRE 0

17 PARAQUAT SC 2.0 0.5 PRE 0

18 PARAQUAT SC 2.0 0.5 PRE 0

21

UNIVERSITY OF ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

PESTICIDE APPLI-|GIFT I I I I I

TRT. CATIONJ I I I I I

NO. NAME FORMU . LBai/A TYPE | 6/04/8 7 | I I I I

20 ROUND-UP EC 4.0 1.0 PRE 0
ATRAZINE DG 90% 1.5 POST

COC CO 1.0 0.25 POST

21 ROUND-UP EC 4.0 1.0 PRE 0
ATRAZINE DG 90% 1.5 POST

TANDEM EC 4.0 0.5 POST

COC CO 1.0 0.25 POST

22 CHECK 0

23 DUAL/IGN EC 4.0 3.3 PRE 0
*PPKG

ATRAZINE DF 90% 1.5 PRE

24 IGNITE AS 1.67 1.0 PRE 0

25 DUAL/IGN EC 4.0 3.3 PRE 0

26 PARAQUAT SC 2.0 0.5 PRE 0

28

29

IGNITE

AS

1 . 67

1 .

0

PRE

DUAL

EC

8 .0

2 .

3

PRE

ATRAZINE

DF

90%

1 .

5

PRE

DUAL/IGN

EC

4 .0

3

3

PRE

*PPKG

IGNITE

AS

1. 67

0

5

PRE

ATRAZINE

DF

90%

1

5

PRE

PARAQUAT

SC

2 .0

0

5

PRE

LASSO

EC

4.0

2

7

PRE

ATRAZINE

DF

90%

1

5

PRE

X-77

%S

1 .0

0

25%

PRE

COLONEL

FL

2 .4

0

25

PRE

*PARAQT

0

25

PRE

*ATRAZIN

1

25

PRE

DUAL

EC

8 .0

2

3

PRE

X-77

%S

1 .0

0

25%

PRE

PARAQUAT

EC

1 . 5

0

25

PRE

DUAL

EC

8 .0

2

3

PRE

ATRAZINE

DF

90%

1

25

PRE

X-77

%S

1 .0

0

. 25%

PRE

POAST

EC

1 . 5

0

. 2

PRE

DUAL

EC

8 .0

2

. 3

PRE

24DLVE

EC

3 . 8

0

. 5

PRE

27 COLONEL FL 2.4 0.25 PRE 0

22

UNIVERSITY OF ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

PESTICIDE APPLI-|GIFT I I I I I

TRT. CATION | I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/04/8 7 | I I I I

30 DUAL EC 8.0 2.3 PRE 0
ATRAZINE DF 90% 1.5 PRE

COC CO 1.0 0.25 PRE

31 DUAL EC 8.0 2.3 PRE 0
PPG-4000 FL 4 . 8 1.2 PRE

COC CO 1.0 0.25 PRE

32 DUAL EC 8.0 2.3 PRE 0
PPG-4000 FL 4. 8 0.6 PRE

COC CO 1.0 1.0 PRE

PPG-4000 FL 4.8 0.6 POST

33 DUAL EC 8.0 2.3 PRE 0
PPG-4000 FL 4. 8 1.2 PRE

COC CO 1.0 0.25 PRE

PPG-4000 FL 4.8 0.6 POST

34 DUAL EC 8.0 2.3 PRE 0
ATRAZINE DF 90% 1.5 PRE

COC CO 1.0 0.25 PRE

PPG-4000 FL 4.8 0.6 POST

35 BLADEX DG 90% 2.5 PRE 0
COC CO 1.0 0.25 PRE

36 TANDEM EC 4 . 0 0.5 PRE 0
ATRAZINE DF 90% 1.5 PRE

COC CO 1.0 0.25 PRE

37 TANDEM EC 4 . 0 0.5 PRE 0
BLADEX DG 90% 2.0 PRE

COC CO 1.0 0.25 PRE

38 TANDEM EC 4 . 0 0.5 PRE 0
ATRAZINE DF 90% 1.5 PRE

LASSO EC 4.0 2.7 PRE

COC CO 1.0 0.25 PRE

39 TANDEM EC 4.0 0.37 PRE 0
ATRAZINE DF 90% 1.5 PRE

COC CO 1.0 0.25 PRE

TANDEM EC 4.0 0.37 POST

23

UNIVERSITY

0 F

ILLINOIS

NO-TILL CORN WEED CONTROL STUDY

TRT. ---
NO. NAME

PESTICIDE APPLI-|GIFT |
CATION| j

FORMU. LBai/A TYPE | 6/04/8 7 |

40 CHECK

*ROUNDUP

EC 4.0 1.0

PRE

41 TANDEM EC 4.0 0.37 PRE
BLADEX DG 90% 2.0 PRE
COC CO 1.0 0.25 PRE
TANDEM EC 4 . 0 0.35 POST
ATRAZINE DF 90% 1.0 POST
COC CO 1.0 0.25 POST

42 ATRAZINE DF 90% 2.0 PRE
BLADEX DG 90% 2.0 PRE
COC CO 1.0 0.25 PRE

43 ATRAZINE DF 90% 1.3 PRE
BLADEX DG 90% 2.7 PRE
COC CO 1.0 0.25 PRE

0

44 ATRAZINE DF 90% 1.0 PRE
BLADEX DG 90% 1.0 PRE
COC CO 1.0 0.25 PRE

0

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

NA
NA
NA

24

UNIVERSITY OF ILLINOIS

APPLICATION METHODS STUDY WITH SC 0051

LOCATION :URBANA SOUTH FARM

RESEARCH BY: FRITZ KOPPATSCHEK

COOPERATOR :GENE OLDHAM

REPORTED BY: FRITZ KOPPATSCHEK

PREVIOUS CROP : SOYBEANS PLOT / Ft: 7. 5x30 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 4 pH : 6 . 8

PREVIOUS TRT.:SOYBEAN HERBICIDES

EXPT. DESIGN:RCBD NUM. OF REPS:4

CROPrCORN VARIETY : PIONEER 3377

PLANTING DATE: 04/29/87 DEPTH/In:2 NUM. PLANTS/ACR. @28,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

SC 0051 was evaluated to determine the optimum application method and
rate. Preplant incorporated and preemergent applications failed to
give adequate control of giant foxtail. Preemergent applications
were not as effective as preplant incorporated applications due to
lack of rainfall following application. Pos temergence applications
resulted in the best control and the level of control was enhanced
when atrazine was included. No corn injury was detected with any method of
applications or at any of the rates. The primary activity of
this compound was on giant foxtail. More consistent control probably
could be obtained if rates were increased to 1.5 to 2.0 lb/A.

25

APPLICATION METHODS STUDY WITH SC 0051

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|PPI | PRE | POST | |

APPLICATION DATE | 04/28/87 | 04/30/87 |05/20/87 I / / 1 / /

JULIAN DATE/YEAR | J118/87 | J120/87 | J140/8/ | J 0/00 | J 0/00

START HR / END HR | 06 : 00/0 7 : 00 | 06 : 00/07 : 00 j 06 : 00/0 7 : 00 | : / : | : / :

APPLIC. METHOD 1 1 1 1 1

AIR/SOIL TEMP ( F) j 65 / 58 | 5 5 / 58 |78 / 68 |0 / 0 |0 / 0

% REL. HUMIDITY | 40 |40 | 8 5 |0 |0

WIND DIR. / VELOC|W / 8 |W / 5 |W / 4 |/0 |/0

SKY / SOIL COND. | CLEAR/MOI ST | CLEAR/DRY j CLEAR/MOI ST j / | /

SOIL/LEAF MOIST, j / j / | / | / | /

INCORP. EQUIPMENT | FIELD CULT |NONE |NONE | |

INCORP. DEPTH(in)|2 |0 |0 |0 |0

SPRAYER TYPE | C02 |C02 j C02 | |

SPRAYER GPA / PSI | 20 / 35 | 20 / 35 | 20 / 45 |0 / 0 | 0 / 0

MIX SIZE (Gallon) | .475 |0 |0 |0 |0

NOZZLE TYPE /NUM.|8003 | 800 3 | 8002 | |

RATNFATT /TRRTG inl -- -

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / 1 / 1 / 1 / 1 /

******* I****** CROP ******

*********

********

*

*********

*********

* * * * * * * * * 1

| CORN

/

/

/5

LF

/

/ 1

*******[****** PEST ******

* * * * i

•****

*****

* **

*

*********

A A A A A

"X* " V *x*

vr w yC Vf vr *\ a vr ** |

1

GIFT |GIANT FOXTAIL

/

/

/3

LF

/

/ 1

2

/

/

/

/

/ 1

3

/

/

/

/

/ I

4

/

/

/

/

/ 1

5

/

/

/

/

/ 1

6

/

/

/

/

/ 1

7

/

/

/

/

/ 1

8

/

/

/

/

/ 1

9

/

/

/

/

/ 1

=—====

BBa

— -

cssbsb:

= ™ = = =

======

= == = = =

===========

26

UNIVERSITY OF ILLINOIS

APPLICATION METHODS STUDY WITH SC 0051

EXPT. LOCATION: ANS . 200
RESEARCH BY: FRITZ KOPPATSCHEK

PESTICIDE APPLI - | | | |

TRT. CATION|% GIFT |% GIFT | j

NO. NAME FORMU. LBai/A TYPE | 5/2 6/8 7 | 6/2 2/8 7 |

83

11

85

29

78

5

88

38

01 SC-0051 EC 3.0 0.25 PPI

02 SC-0051 EC 3.0 0.50 PPI

03 SC-0051 EC 3.0 0.75 PPI

04 SC-0051 EC 3.0 0.25 PPI
SC-29148 WP 75 0.04 PPI

05 SC-0051 EC 3.0 0.50 PPI 82 43
SC-29148 WP 75 0.08 PPI

06 SC-0051 EC 3.0 0.75 PPI 88 44
SC-29148 WP 75 0.125 PPI

07 SC-0051 EC 3.0 0.25 PPI 93 85
SC-29148 WP 75 0.04 PPI

ATRAZINE DG 90% 1.25 PPI

08 SC-0051 EC 3.0 0.50 PPI 89 80
SC-29148 WP 75 0.08 PPI

ATRAZINE DG 90% 1.25 PPI

09 SC-0051 EC 3.0 0.75 PPI 91 70
SC-29148 WP 75 0.125 PPI

ATRAZINE DG 90% 1.25 PPI

10 SC-0051 EC 3.0 0.25 PRE

11 SC-0051 EC 3.0 0.50 PRE

12 SC-0051 EC 3.0 0.75 PRE

13 SC-0051 EC 3.0 0.25 PRE
SC-29148 WP 75 0.04 PRE

14 SC-0051 EC 3.0 0.50 PRE 83 25
SC-29148 WP 75 0.08 PRE

80

23

75

23

82

36

82

21

27

UNIVERSITY

0 F

ILLINOIS

APPLICATION METHODS STUDY WITH SC 0051

PESTICIDE

TRT.

NO. NAME

FORMU

APPLI - | | |

CATION | % GIFT |% GIFT j

LBai/A TYPE| 5/26/87 | 6/22/87 |

15 SC-0051 EC 3.0 0.75 PRE
SC-29148 WP 75 0 . 125 PRE

69

16 SC-0051 EC 3.0 .025 PRE
SC-29148 WP 75 0.04 PRE
ATRAZINE DG 90% 1.25 PRE

74

19

17 SC-0051 EC 3.0 0.50 PRE
SC-29148 WP 75 0.08 PRE
ATRAZINE DG 90% 1.25 PRE

83

36

18 SC-0051 EC 3.0 0.75 PRE
SC-29148 WP 75 0 . 125 PRE
ATRAZINE DG 90% 1.25 PRE

86

43

19 SC-0051 EC 3.0 0.25 POST
TWEEN 20 .25% POST

85

4 5

20 SC-0051 EC 3.0 0.50 POST
TWEEN 20 .25% POST

86

4 4

21 SC-0051 EC 3.0 0.75 POST
TWEEN 20 .25% POST

89

61

22 SC-0051 EC 3.0 0.25 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 20 .25% POST

90

77

23 SC-0051 EC 3.0 0.50 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 20 .25% POST

90

85

24 SC-0051 EC 3.0 0.75 POST
ATRAZINE DG 90% 1.25 POST
TWEEM 20 .25% POST

94

89

25 ATRAZINE DG 90% 1.25 PPI

26 ATRAZINE DG 90% 1.25

PRE

27 ATRAZINE DG 90% 1.25 POST
COC 1 QT POST

92
84
89

87
59
59

28

UNIVERSITY OF ILLINOIS

APPLICATION METHODS STUDY WITH SC 0051

PESTICIDE APPLI-I I I I I I

TRT. CATION|% GIFT |% GIFT | | | |

NO. NAME FORMU. LBai/A TYPE | 5/2 6/87 | 6/22/87 | | | |

28 ATRAZINE DG 90% 1.50 PRE 92 80
LASSO EC 4.0 2 . 50 PRE

29 ATRAZINE DG 90% 1.50 POST 94 95
TANDEM EC 4.0 0.50 POST

COC 1 QT POST

30 W-CHECK 25 13

LSD(0.05) - 15 28

STANDARD DEVIATION = 11 20

COEFF. OF VARIABILITY = 13 41

29

UNIVERSITY OF ILLINOIS

APPLICATION METHODS STUDY WITH SC 0774

LOCATION:URBANA SOUTH FARM

RESEARCH BY:FRITZ KOPPATSCHEK

COOPERATOR : GENE OLDHAM

REPORTED BY: FRITZ KOPPATSCHEK

PREVIOUS CROP : SOYBEANS PLOT / Ft: 7. 5x30 ROW WIDTH/In:30

PREVIOUS TILL:CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 pH : 6 . 8

EXPT. DESIGN:RCBD NUM. OF REPS:'*

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE: 04/29/87 DEPTH/In : 1 . !> NUM . PLANTS/ACR . @28,000

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

SC 0774 was evaluated using several different methods of application.
Preplant incorporated and postemcrgence applications were the most effective at
controlling giant foxtail. Lack of rainfall following the preemorgent
application resulted in poor control hy the treatments. PPI treatments of .75 t
to 1.25 lb/A preformed as well as commercial standards. Poste merge nee
applications were the most effective at controlling giant foxtail.
Pos temergence applications also resulted in 25-35% corn injury, in the form
of chlorosis. Injury was no longer present after a period of two weeks. The
primary activity of the compound was on giant foxtail but some control was
detected on jimsonweed and pigweed. Variable results between reps existed
primarily due to carryover from last years soybean herbicides.

30

APPLICATION METHODS STUDY WITH SC 0774

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|PPI | PRE j POST | |

APPLICATION DATE | 04/28/87 |04/30/87 |05/20/87 | / / 1 / /
JULIAN DATE/YEAR | J118/87 | J120/87 j J140/87 j J 0/00 | J 0/00
START HR / END HR | 06 : 00/07 : 00 | 06 : 00/07 : 00 j 06 : 00/07 : 00 | : / : | : / :
APPLIC. METHOD ill

AIR/SOIL TEMP (F)|65 / 58 |52 / 58 |78 / 65 |0 / 0 |0 / 0
% REL. HUMIDITY j 40 |40 |95 |0 |0
WIND DIR. / VELOC|W / 8 |W / 5 |W / 5 |/0 |/0
SKY / SOIL COND. j CLEAR/MOI ST | CLEAR/DRY j CLEAR/MOI ST j / | /
SOIL/LEAF MOIST. | / | / | / | / | /
INCORP. EQUIPMENT! FIELD CULT | NONE |NONE | |
INCORP. DEPTH(in)|2 |0 |0 |0 |0
SPRAYER TYPE j C02 j C02 j C02 j |
SPRAYER GPA / PSI|20 / 32 | 20 / 32 | 20 / 45 |0 / 0 |0 / 0
MIX SIZE (Gallon) | .475 |0 |0 |0 |0
NOZZLE TYPE /NUM.|8003 j 8003 | 8002 j j

RATNFATT/TRRTfi inl .

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK) / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

1

2
3
4
5

6
7
8
9

•k-k-k-k-k-k -k

k -k -k -k -k -k -k

GIFT

****** CROP ******

CORN

****** PEST ******

GIANT FOXTAIL

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/5 LF
*********

/3 LF

/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

31

UNIVERSITY OF ILLINOIS

APPLICATION METHODS STUDY WITH SC 0774

EXPT. LOCATION:ANIMAL SCIENCE 200E
RESEARCH BY:FRITZ KOPPATSCHEK

PESTICIDE APPLI-|% CONT.|ZEAMA |% CONT . |

TRT. CATIONJ GIFT |%CRINJU| GIFT |

NO. NAME FORMU. LBai/A TYPE | 5/26/8 7 | 5/26/8 7 | 6/2 2/8 7 |

01 SC-0774 WP 75 0.50 PPI 78 0 43

02 SC-0774 WP 75 0.75 PPI 85 0 37

03 SC-0774 WP 75 1.00 PPI 92 2 75

04 SC-0774 WP 75 1.25 PPI 93 ] 73

05 SC-0774 WP 75 0.50 PPI 85 0 41
SC-29148 WP 75 0.08 PPI

06 SC-0774 WP 75 0.75 PPI 91 0 44
SC-29148 WP 75 1.25 PPI

07 SC-0774 WP75 1.00 PPI 91 1 7 4
SC-29148 WP 75 .166 PPI

08 SC-0774 WP75 1.25 PPI 88 0 5 3
SC-29148 WP 75 .208 PPI

09 SC-0774 WP 75 0.50 PPI 91 0 61
SC-29148 WP 75 0.08 PPI

ATRAZINE DG 90% 1.25 PPI

10 SC-0774 WP 75 0.75 PPI 94 0 84
SC-29148 WP 75 .125 PPI

ATRAZINE DG 90% 1.25 PPI

11 SC-0774 WP 75 1.00 PPI 93 0 75
SC-29148 WP 75 .166 PPI

ATRAZINE DG 90% 1.25 PPI

12 SC-0774 WP 75 1.25 PPI 96 6 81
SC-29148 WP 75 .208 PPI

ATRAZINE DG 90% 1.25 PPI

13 SC-0774 WP 75 0.50 PRE 86 0 40

32

UNIVERSITY

0 F

ILLINOIS

APPLICATION METHODS STUDY WITH SC 0774

i o -s =C= I

PESTICIDE

TRT.

NO. NAME

APPLI-|% C0NT.|% CORN |% CONT . |

CATI0N| GIFT jlNJURY | GIFT |

FORMU. LBai/A TYPE | 5/26/87 | 5/26/87 | 6/22/87 |

14 SC-0774 WP 75

15 SC-0774 WP 75

16 SC-0774 WP 75

17 SC-0774 WP 75
SC-29148 WP 75

18 SC-077 4 WP 75
SC-2914 8 WP 75

19 SC-0774 WP 75
SC-29148 WP 75

20 SC-0774 WP 75
SC-29148 WP 75

21 SC-0774 WP 75
SC-29148 WP 75
ATRAZINE DG 90%

22 SC-0774 WP 75
SC-29148 WP 75
ATRAZINE DG 90%

23 SC-0774 WP 75
SC-29148 WP 75
ATRAZINE DG 90%

24 SC-0774 WP 75
SC-29148 WP 75
ATRAZINE DG 90%

25 SC-0774 WP 75
TWEEN 20

0.75 PRE

1.00 PRE

1.25 PRE

0. 50

PRE

0.08

PRE

0. 75

PRE

. 125

PRE

1 . 00

PRE

. 166

PRE

1.25

PRE

. 208

PRE

0. 50

PRE

0.08

PRE

1 . 25

PRE

0. 75

PRE

.125

PRE

1.25

PRE

1 .00

PRE

.166

PRE

1 . 25

PRE

1 . 25

PRE

. 208

PRE

1.25

PRE

0. 50

POST

. 25%

POST

86
88
84
80

81

89

89

82

84
83
86
91

0
0
0
0

0

0

95

25
30
23
21

14

30

29

19

39

57

33

38

26 SC-0774 WP 75

0.75 POST

90

40

59

33

UNIVERSITY

0 F

ILLINOIS

APPLICATION METHODS STUDY WITH SC 0 7 7 4

PESTICIDE

TRT .

NO. NAME

FORMU

APPLI-|% CONT.|%CORN |% CONT . |

CATIONI GIFT j INJURY | GIFT |

LBai/A TYPE | 5/26/87 | 5/26/87 | 6/22/87 |

29 SC-0774 WP 75 0.50 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 20 .25% POST

96

27

97

30 SC-0774 WP 75 0.75 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 2 0 .2 5% POST

97

23

96

31 SC-0774 WP 75 1.00 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 20 .25% POST

95

32

97

32 SC-0774 WP 75 1.25 POST
ATRAZINE DG 90% 1.25 POST
TWEEN 20 .25% POST

97

26

97

33 SC-0735 WP 75 0.50 PRE
SC-29148 WP 75 .083 PRE

92

56

34 SC-0735 WP 75
SC-29148 WP 75

0.75 PRE
.125 PRE

90

0

7 4

35 LASSO 4E C 2.50 PRE
2-4D 4E C .50 POST

91

0

57

36 LASSO 4M T 2.50 PRE
2-4D 4E C .50 POST

92

0

78

37 ATRAZINE DG 90% 1.25 PRE

38 ATRAZINE DG 90% 1.25 PPI

39

40

ATRAZINE DG

90%

1

25

POST

COC

1

QT

POST

ATRAZINE DG

90%

1

25

PRE

LASSO EC

4.0

2

50

PRE

83
89

8 4

96

0
0
0

0

35
48
53

78

41 ATRAZINE DG 90% 1.25 PPI
LASSO EC 4.0 2.50 PPI

97

0

85

34

UNIVERSITY

0 F

ILLINOIS

APPLICATION METHODS STUDY WITH SC 0774

TRT.

NO. NAME

PESTICIDE APPLI-|% CONT . | % CORN |% CONT . |

CATIONJ GIFT | INJURY j GIFT |

FORMU. LBai/A TYPE | 5/26/87 | 5/26/87 | 6/22/87 |

42 ATRAZINE DG 90% 1.25 POST
TANDEM EC 4.0 0.50 POST
COC 1 QT POST

96

0

91

43 LASSO EC 4.0 2.50 PRE
24DAMINE EC 3.8 0.50 POST

91

41

44 W-CHECK

45 HW-CHECK

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

99

0

99

58

26

48

40

18

33

40

149

51

35

UNIVERSITY OF ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 1

LOCATION :URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:LOYD WAX

PREVIOUS CROP: SOYBEANS PLOT / Ft:7.5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM%:5.0 pH : 6 . 2

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE: 04/22/87 DEPTH/In:1.5 NUM. PLANTS/ACR. @28,O00

SEASONAL RAINFALL DURING EXPERIMENT: EARLY: LOW MID:ADQ LATE'.ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

A reasonably uniform stand of annual broadloaf weeds were present
at the time of application. Stage of weed growth and environmental
conditions provided for good post emergence activity.

Some treatments injured corn, with Starane causing slight to
moderate injury and BAS-514 causing severe to very severe injury.
BAS-514 with COC was less injurious to corn than BAS-514 with the
adjuvant "090". A storm approx. three weeks after application caused
corn in plots treated with 2-4, D or Banvel to "lay down" for several days,
however, excellent growing conditions allowed corn to recover quickly.
Several treatments provided excellent control of annual broad leaf
weeds with little or no injury to corn.

36

CORN POSTEMERGENCE BROADLEAF STUDY 1

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| POST 1 1 1 1

APPLICATION DATE | 05/27/87 | / / \ / / \ / / | / /
JULIAN DATE/YEAR | J147/87 | J 0/00 j J 0/00 | J 0/00 j J 0/00
START HR / END HR j 06 : 00/09 : 00 | :/:|:/:|:/:|:/:
APPLIC. METHOD | POST 1 1 1 1
AIR/SOIL TEMP (F) | 85 / 75 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY |85 |0 JO JO JO
WIND DIR. / VELOCJSW /10 | / 0 j / 0 | / 0 j/0
SKY / SOIL COND. j CLEAR/MOI ST j / 1 / 1 / 1 /
SOIL/LEAF MOIST. | ADQ / ADQ | / j / j / | /
INCORP. EQUIPMENTI Ill
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE |Co2 HND HLD j j 1 o 1
SPRAYER GPA / PSI|20 /40|0 /0|0 / 0 j 0 / 0 | 0 /0
MIX SIZE (Gallon)|0.4 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8002/5 1 1 1 1

RATMFATT /TRRTP inl ----- -- ----- .__._.- . . ......

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / I / I / I / 1 /
3RD WEEK/4TH WEEKj / 1 / I / 1 / 1 /

I £ a>i rrr _s 3

SPECIE
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

■&■■*■*■*•*••*■■*

•*•*• *'*■■*••*' ■&■

VELE

JIWE

COLQ

SMPW

******* CROP ******

CORN

****** PEST ******

VELVETLEAF

JIMSON WEED

COM. LAMBSQUARTERS

SMOOTH PIGWEED

*********

H / 7Lf
*********

H / 8"

H / 8"

V / 6"

V / 8"

/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
* * *******

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
* * * * * * * * *

/
/
/
/
/
/
/
/
/

37

UNIVERSITY OF ILLINOIS

CORN POSTEMERGENCE BROADLEAF STUDY 1

EXPT. LOCATION: C-500 W,
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-IC. I. |J1WE |VELE |SMPW |COLQ |

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/11/87 | 6/11/87 | 6/1 1/87 | 6/11/8 7 | 6/11/87 |

01 STARANE FL 1.67 0.25 @ - 5 " 8 98 96 0 7 73

02 STARANE FL 1.67 0.50 @-5" 18 95 92 85 65

03 STARANE FL 1.67 1.00 @ - 5 " 22 98 99 96 93

04 LONTREL FL 3.0 0.25 (3-5" 0 77 43 53 43

05 LONTREL FL 3.0 0.50 @ - 5 " 3 77 73 78 82

0 6 STARANE FL1.67 0.25@-5" 2 3 93 93 5 5 65

COC CO 1 . 0 0.25 @- 5"

07 STARANE FL 1.67 0.50 @ - 5 " 23 07 97 81 82
COC CO 1 . 0 0.25 @- 5"

08 STARANE FL 1.67 1.00 @-5" 23 96 96 86 83
COC CO 1 . 0 0.25 @-5"

09 LONTREL FL 3.0 0.25 @ - 5 *' 0 73 48 A 8 58
COC CO 1 . 0 0.25 @- 5"

10 LONTREL FL 3 . 0 0.50 @ - 5 " 5 75 50 57 58
COC CO 1 . 0 0.25 @-5"

11 STARANE FL 1.67 0.25 @ - 5 " 13 94 90 78 70
X-77 % S 1 . 0 0.25% @ - 5 "

12 STARANE FL 1.67 0.50 @-5" 23 96 97 86 77
X-77 % S 1 . 0 0.25% @ - 5 "

13 STARANE FL 1.67 1.00 @ - 5 " 30 96 93 89 80
X-77 % S 1 . 0 0.25% @ - 5 "

14 LONTREL FL 3.0 0.25 @ - 5 " 0 63 57 78 73
X-77 %S1.0 0.25% @ - 5 "

15 LONTREL FL 3.0 0.50 @ - 5 " 5 87 65 67 68
X-77 % S 1 . 0 0.25% @ - 5 "

38

UNIVERSITY

0 F

ILLINOIS

CORN POSTEMERGENCE BROADLEAF STUDY 1

PESTICIDE

TRT.

NO. NAME

APPLI-|C. I. |JIWE |VELE | SMPW | COLQ |

CATION | I I I I |

FORMU. LBai/A TYPE | 6/11/87 | 6/11/87 | 6/11/87 | 6/11/87 | 6/11/87 |

16 DPXM6316 DF 75 3 . 54g @ - 5 "

17 DPXM6316 DF 75 7g @-5"

18 DPXM6316 DF 75 14g @ - 5 "

19 METRIBUZ DF 75 0.25 @ - 5 "
X-77 % S 1 . 0 0.25% @ - 5 M

20 DPXM6316 DF 75 7g $-5"
METRIBUZ DF 75 0.25 @ - 5 "

21 DPXM6316 DF 75 3 . 54g @ - 5 "
24DAMINE EC 3.8 0.5 @ - 5 "

22 DPXM6316 DF 75
X-77 %S 1 . 0

23 DPXM6316 DF 75
X-77 %S 1 .0

24 DPXM6316 DF 75
X-77 %S 1.0

25 DPXM6316 DF 75
X-77 %S 1 . 0

3 . 54g @-5"
0.25% @ - 5 "

3 . 5 4 g @ - 5 "
0.1% @ - 5 "

7g @-5"
0.25% @ - 5 "

7g (3-5"
0.1% @ - 5 "

26 24DAMINE EC 3.8 0.5 @ - 5 "

27 24DAMINE EC 3.8
COC CO 1.0

0.5 @ - 5 "
0.25 @ - 5 "

28 BANVEL

SC4.0 0.25 @ - 5 "

29 BANVEL SC 4.0 0.5

@-5"

30 BENAZOL FL 4 . 0
COC CO 1.0

31 BENAZOL FL 4.0
COC CO 1.0

0.25 @ - 5 "

0.25 @ - 5 "

0.5 @ - 5 "

0.25 @ - 5 "

0

67

78

80

70

3

74

88

92

73

0

73

90

90

78

13

92

96

97

96

0

7
8

0
8
0

0

92

68

37

57

48

50

53
78

89
97
75

85

98
83

47

72

60

57

85
90

85
95
63

83

98

90

60

82

80

67

90
9 5

91
93
60

80

96

92

57

82

73

63

87
93

79
93
68

78

39

UNIVERSITY

0 F

ILLINOIS

CORN POSTEMERGENCE BROADLEAF STUDY 1

TRT. ---

NO. NAME

PESTICIDE APPLI-IC I. |JIWE |VELK | SMPW | COLQ |

CATIONI I I I I I

FORMU. LBai/A TYPE | 6/11/87 | 6/11/8 7 | 6/1 J /87 | 6/1 1/87 | 6/11/87 |

32

33

34

35

BENAZOL

FL

4 . 0

0

3

@-

5"

ATRAZINE

DG

90%

0

125

@-

5"

COC

CO

1.0

0

25

@-

5"

BENAZOL

FL

4 . 0

0

3

@-

5"

ATRAZINE

DG

90%

0

25

@-

5"

COC

CO

1 . 0

0

25

e-

5"

BENAZOL

FL

4 . 0

0

25

@-

5"

ATRAZINE

DG

90%

0

5

Cd-

5"

COC

CO

1 . 0

0

2 5

@-

5"

BENAZOL

FL

4 . 0

0

25

@-

5"

ATRAZINE

DG

90%

1

0

(a-

5"

COC

CO

1 .0

1

0

@-

5"

0

0

97

93

9 3

0

0

99

9 9

9 9

9 5

9 7

98

99

9 9

99

91

97

99

99

36 BAS-514 WP 50 0.25 @ - 5 "
090 CO 1.0 0.25 @- 5"

75

4 7

4 0

4 3

40

37 BAS - 514 WP 50 0.5 @ - 5 "
090 CO 1 . 0 0.25 @- 5"

90

68

50

5 0

57

38 BAS-514 WP 50 0.25 (§-5"
COC CO 1 . 0 0.25 @-5"

37

57

60

6 2

53

39

40

BAS-514 WP

50

0

5

@-

5"

COC CO

1 . 0

0

25

e-

5"

ATRAZINE DG

90%

1

0

e-

5"

COC CO

1 . 0

0

2 5

(cl-

5"

4 2

0

6 3

97

62

9 5

7 5

98

62

98

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

9

5

44

19
11
15

1 7
10
13

2 5
1 5
20

25

15
20

40

UNIVERSITY

0 F

ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

LOCATION :URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY: REX LIEBL

PREVIOUS CROP : SOYBEANS PLOT / Ft : 7 . 5x40 ROW WIDTH/In:30

PREVIOUS TILL:CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM%

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE: 04/22/87 DEPTH/In:

SEASONAL RAINFALL DURING EXPERIMENT

PRIMARY RATE UNIT:LBai/A

5.0 pH:6 .2

NUM. PLANTS/ACR.
EARLY: LOW MID

28 ,000

ADQ LATE:ABD

EXPERIMENT COMMENTS

Although broadleaf weeds were quite large at application, excellent
control by many treatments was attributable to good environmental conditions at
application. PPG-1259 in combination with Banvel or 2,4-D improved weed control
when compared to either applied alone. Treatments including Tackle resulted in
20% corn injury. A storm 3 weeks after application caused treatments including
2,4-D or Banvel to "lay down" for several days, however, corn recovered soon
thereafter .

41

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

** SET 1 OF 1 **

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

APPLIC .

GEN. APPLIC. TYPE

POST

APPLICATION DATE

05/27/87

/ /

/ /

/ /

/ /

JULIAN DATE/YEAR

J147/87

J

0/00

J

0/00

.

r o/oo

J

0/00

START HR / END HR

06 : 00/09 :00

: / :

: / :

: / :

: / :

APPLIC. METHOD

POST

AIR/SOIL TEMP (F)

85 / 75

0

/ o

0

/ o

0

/ o

0

/ o

% REL. HUMIDITY

85

0

0

0

0

WIND DIR. / VELOC

SW / 10

/ o

/ o

/ o

/ o

SKY / SOIL COND.

CLEAR/MOIST

/

/

/

/

SOIL/LEAF MOIST.

ADQ / ADQ

/

/

/

/

INCORP. EQUIPMENT

INCORP. DEPTH(in)

0

0

0

0

0

SPRAYER TYPE

C02 HND HLD

SPRAYER GPA / PSI

2 0 / 40

0

/ o

0

/ o

0

/ o

0

/ o

MIX SIZE (Gallon)

0 . 4

0

0

0

0

NOZZLE TYPE /NUM.

8002/5

RAINFALL/IRRIG . in

0-24 HR/1-3 DAYS

/

/

/

/

/

4-7 DAYS/2ND WEEK

/

/

/

/

/

3RD WEEK/4TH WEEK

/

/

/

/

/

SPECIES |

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

APPLIC. 5

CODE | SPECIES

DEN . /

STG .

DEN . /STG .

DEN . /STG .

DEN . /STG .

DEN . /STG .

* * * * * * k 1 ***** * CROP * *

** * *

*********

*********

*********

*********

* * * * * * * * *

| CORN

H

/

7Lf

/

/

/

/

******* \ ****** PEST •****•*■*

* * * * *

* ***

*********

** * * *****

*********

****** * * *

VELE | VELVETLEAF

H

/

8"

/

/

/

/

JIWE | JIMSONWEED

H

/

8"

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

J

42

UNIVERSITY OF ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

EXPT. LOCATION: C-500 W,
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|VELE |JIWE I I I I

TRT. - CATION | I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/07/87 j 6/07/8 7 | | | |

01 BANVEL SC 4.0 0.25 @ - 5 " 87 96
PPG-1259 FL 3 .0 0.05 @ - 5 "

02 BANVEL SC 4.0 0.25 @ - 5 " 96 99
PPG-1259 FL 3.0 0.10 @-5"

03 24DAMINE EC 3.8 0.25 @ - 5 " 90 87
PPG-1259 FL 3 .0 0.10 @ - 5 "

04 PPG-4000 FL 4.8 0.60 @ - 5 " 95 96
*ATRAZIN 0.50

*PPG1259 0 . 10

05 BUCTRIL EC 2.0 0.25 @-5" 83 96
X-77 % S 1 . 0 0.25% @ - 5 "

06 BUCTRIL EC 2.0 0.25 @ - 5 "

07 BUCTRIL EC 2.0 0.38 @ - 5 "

08 BANVEL SC 4.0 0.25 @ - 5 "

09 BANVEL SC 4.0 0.50 @ - 5 "

10 24DAMINE FL 3.8 0.25 @ - 5 "

11 24DAMINE FL 3.8 0.50 @-5"

12 ATRAZINE DG 90% 0.50 @ - 5 "
COC CO 1.0 lqt @-5"

13 ATRAZINE DG 90% 1.00 (§-5" 91 97
COC CO 1.0 lqt @-5"

14 ATRAZINE DG 90% 1.50 @ - 5 " 92 99
COC CO 1.0 lqt @-5"

15 BUCTRIL FL 2.0 0.25 @ - 5 " 97 99
ATRAZINE DG 4.0 1.00 @ - 5 "

95

97

98

97

90

96

93

99

87

63

96

83

93

99

43

UNIVERSITY

0 F

ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

PESTICIDE APPLI-|VELE |JIWE |

TRT. CATIONJ J |

NO. NAME FORMU. LBai/A TYPE| 6/07/87 | 6/07/8 7 |

16

BUCTRIL
BLADEX

FL 2 . 0
DF 90%

0.25 @ - 5 "
0.50 @ - 5 "

94

9 9

17 BUC/ATR FL
*BUCTRIL
*ATRAZIN

3 .0

0
0
0

75
25
50

@-5"

88

9 9

18 BUC/ATR FL 3.0
*BUCTRIL
*ATRAZIN

1.13 (a - 5 "

0.375

0 . 75

97

9 9

19 BUCTRIL FL 4.0 0.25 @ - 5 "
24DAMINE FL 3.8 0.25 @ - 5 "

84

9 1

20

21

22

23

24

25

26

27

RS-105

EC

3

36

1

05

@-5"

93

99

BASAGRAN

SC

4

0

1

00

@-5"

90

99

COC

CO

1

0

0

25

@-5"

BASAGRAN

SC

4

0

0

50

@- 5"

86

99

COC

CO

1

0

0

25

@-5"

BASAGRAN

SC

4

0

0

50

@-5"

98

9 9

ATRAZINE

FL

4

0

0

50

@-5"

COC

CO

1

0

0

25

@-5"

BASAGRAN

SC

4

0

0

50

@-5"

99

9 9

ATRAZINE

FL

4

0

0

50

@-5"

DASH

CO

1

0

0

25

(2-5"

BASAGRAN

SC

4

0

0

25

@-5"

96

98

ATRAZINE

FL

4

0

0

50

@-5n

28%

CO

1

.0

L

00

@-5"

BASAGRAN

SC

4

. 0

0

50

@-5"

93

98

ATRAZINE

FL

4

. 0

0

50

@- 5"

28%N

CO

1

. 0

1

00

@-5n

MARKSMAN

FL

3

. 2

1

. 0

@-5"

88

99

*BANVEL

0

. 34

*ATRAZTN

0

. 6 6

44

UNIVERSITY OF ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

PESTICIDE APPLI-|VELE |JIWE | | |

I I I I

6/07/87 |6/07/87 | | |

90 99

i. I\ 1

NO.

NAME

FORMU.

LBai/A

TYP

28

MARKSMAN

*BANVEL

*ATRAZIN

FL

3 .

2

1 .
0.
0.

4

48

92

@-

5"

29

BASAGRAN

EC

4,

0

0.

5

@-

5"

24DLVE

FL

3.

8

0.

12

(§-

5"

28%N

CO

1 .

0

1.

00

(3-

5"

30

BASAGRAN

FL

4.

0

0.

25

@-

5"

ATRAZINE

DG

90%

0.

50

(§-

5"

24DLVE

FL

3 .

8

0.

12

@-

5"

28%N

CO

1 ,

0

1 .

00

@-

5"

31

BASAGRAN

FL

4.

0

0 .

50

<a-

5"

ATRAZINE

DG

90%

0.

50

@-

5"

24DLVE

FL

3.

8

0.

12

(§-

5"

28%N

CO

1

0

1 ,

00

@-

5"

32

LADDOCK

*BASAGRN

*ATRAZIN

FL

3

. 33

1 ,
0.
0.

00

.50

50

@-

5"

COC

CO

1

.0

0

. 25

@-

5"

33

LADDOCK

*BASAGRN

*ATRAZIN

FL

3

. 33

1,

0
0

,00
. 50
. 50

<a-

5"

28%N

CO

1

.0

1

.00

@-

5"

34

BANVEL

SC

2

.0

0

. 33

@-

5"

BLADEX

DG

90%

2

.00

@-

5"

35

TACKLE

SC

2

. 0

0

. 50

<a.

■5"

28%N

CO

1

.0

1

.00

@-

5"

36

TACKLE

SC

2

.0

0

. 50

<a-

5"

X-77

%s

1

.0

0

.25%

(§-

5"

37

TACKLE

SC

2

.0

0

. 375

@-

•5"

28%N

CO

1

.0

1

.00

(3.

■5"

38

TACKLE

SC

2

.0

0

. 375

@.

•5"

X-77

%s

1

.0

0

. 25%

(a-

•5"

94 96

98 99

NA 99

97 99

91 97

97 99

88 92

78 91

84 95

80 99

45

UNIVERSITY OF ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN CORN 2

PESTICIDE APPLI-|VELE |JIWE |

TRT. -- - CATIONJ J |

NO. NAME FORMU . LBai/A TYPE | 6/0 7/8 7 j 6/0 7/8 7 |

39 2,4-D LVE EC3.8 0.25 @ - 5 "

40 2,4-D LVE EC3.8 0.50 @ - 5 "

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

94

6 6

98

5 0

NA

11

NA

6

NA

/

46

UNIVERSITY

0 F

ILLINOIS

CORN POSTEMERGENCE GRASS STUDY 1

LOCATION :URBANA CRUSE FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP: SOYBEANS PLOT / Ft : 7 . 5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE:SILY CLAY LOAM OM% : 5 . 0 pH : 6 . 4

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 337/

PLANTING DATE: 04/20/87 DEPTH/In : 1 . 5 "

SEASONAL RAINFALL DURING EXPERIMENT

PRIMARY RATE UNIT:LBai/A RATE UNIT [B]

NUM. PLANTS/ACR. @28,000

EARLY: LOW

MID: ADQ
RATE UNIT

LATE
[C] :

ABD

EXPERIMENT COMMENTS

Corn
windy we
growing
treatmen
was hot ,
drought
the foil
precedin
controll

Tande
exellent
chloros i
SC-0735
j us t if ie

emerged 9 days after planting, and was followed by 2 weeks of hot, dry,
ather. Despite 0.5" rainfall one day prior, giant foxtail was not
actively at the Sp-3" application. The resulting weed contol from these
ts was less than optimal. The week that followed the Sp-3" application

dry, and windy. Corn and giant foxtail grew slowly and were mildly
stressed until 1.52" rainfall on 5/19/87. Sp-5" treatments were applied
owing day when weed and crop had more than doubled in size from the
g day. The larger very actively growing Giant Foxtail were not easily
ed by any of the herbicide treatments,
m enhanced control of giant foxtail. SC-0051 and SC-0735 showed

corn tolerance and good foxtail activity. SC-0774 caused notable
s of the corn leaves but had excellent foxtail activity. SC-0051 and
have excellant prospect for better control if higher rates can be
d. SC-0774 may be a candidate for post - direc ted application.

47

CORN POSTEMERGENCE GRASS STUDY 1

** SET 1 OF 1 **
GEN. APPLIC. TYPE

APPLIC .
PRE

APPLIC
POST

APPLIC
POST

APPLIC

APPLIC.

APPLICATION DATE
JULIAN DATE/YEAR
START HR / END HR
APPLIC. METHOD
AIR/SOIL TEMP (F)
% REL. HUMIDITY
WIND DIR. / VELOC
SKY / SOIL COND.
SOIL/LEAF MOIST.
INCORP. EQUIPMENT
INCORP. DEPTH(in)
SPRAYER TYPE
SPRAYER GPA / PSI
MIX SIZE (Gallon)
NOZZLE TYPE /NUM.
RAINFALL/IRRIG . in
0-24 HR/1-3 DAYS
4-7 DAYS/2ND WEEK
3RD WEEK/4TH WEEK

04/22/87
J112/87
07 : 00/08 : 00

PRE
60 / 60
80

NE / @5
CLDY /MOIST

/

0

Co2 H/HELD

25 / 30
0 . 53

8003/5

05/12/87

J132/87
08 :00/09 :00

POST
75 / 65
0

NE / 09
CLEAR/MOIST
1 ow / 1 ow

0

Co2 H/HELD

25 / 40

0.53

8002/5

05/20/87

J140/87
07 :00/08 :00

POST
85 / 70
95

S / 03
CLDY /MOIST
WET / WET

0

Co 2
2 5
0.53

8002/5

ll/H
/

1.1)
4 0

/ /
J 0/00

: /

0 / 0

0

/ o

/
/

0

/ <)

0 / . 16

.39 / 0
0.5 / 0

0

0
0

/ o

/ 1 . 52
/ o

0/0
0/0
0/0

/
/
/

/ /

J 0/00
: /

0 / 0

0

/ 0
/
/

0

/ 0

/
/
/

1

2
3
4
5
6
7
8
9

SPECIES

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLTC. 4

APPLIC. 5

CODE

SPECIES

DEN. /

STG .

DEN./

STG .

DEN . /

STG .

DEN . /STG .

DEN ./STG.

-k -k -k -k ~k -*• *

****** CROP ******

*****

* * * *

******** *

* * * * *

***•*

■k-kic-k-kk-k-k >V

ZEAMA

CORN

H /

3Lf

H /

4Lt

>l /

5Lf

/

/

* -k * * * * *

****** PEST ******

*****

* * * *

*********

*********

* * * * * * * * *

V<* "rC *><* "/»* /\* */£ *rt V\ rt

GIFT

GIANT FOXTAIL

H /

2Lf

H /

3Lf

H /

4Lf

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

48

UNIVERSITY OF ILLINOIS

CORN POSTEMERGENCE GRASS STUDY 1

EXPT. LOCATION: C-500 W,
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|GIFT |%INJ | |

TRT. CATION|%CTL |VIS | |

NO. NAME FORMU. LBai/A TYPE | 6/03/8 7 | 6/03/8 7 |

01 BLADEX DG 90% 1.6 S P - 3 " 63 0
COC CO 1.0 0.25 SP-3"

02 TANDEM FL 4.0 0.5 SP-3" 85 0
ATRAZINE DG 90% 1.5 SP-3"

COC CO 1.0 0.25 SP-3"

03 TANDEM FL 4.0 0.5 SP-3" 87 0
BLADEX DF 90% 1.60 SP-3"

COC CO 1.0 0.25 SP-3"

04 ATRAZINE DG 90% 2.0 SP-3" 56 0
COC CO 1.0 0.25 SP-3"

05 TANDEM FL 4.0 0.5 @ - 5 " 78 0
ATRAZINE DG 90% 1.5 @-5"

COC CO 1.0 0.25 @-5"

06 TANDEM FL 4.0 0.5 @ - 5 " 83 0
ATRAZINE DG 90% 2.0 @ - 5 "

COC CO 1.0 0.25 @-5"

07 TANDEM FL 4.0 0.5 @-5" 28 0
24DAMINE EC 3.8 0.5 @-20"

08 ATRAZINE DG 90% 2.0 @ - 5 " 57 0
COC CO 1.0 0.25 @-5"

09 ATRAZINE DG 90% 1.0 @ - 5 " 57 0
COC CO 1.0 0.25 @-5"

10

BLADEX

DG

90%

2 ,

.0

@-5"

65

0

COC

CO

1.0

0

.25

@-5"

11

BLADEX

DG

90%

2

.0

@- 5"

45

0

12

BLADEX

FL

4.0

2

.0

@-5"

53

0

49

UNIVERSITY

0 F

ILLINOIS

CORN POSTEMERGENCE GRASS STUDY 1

PESTICIDE

TRT.

NO. NAME

FORMU

APPLI-|GIFT | % INJ |

CATION|%CTL | VI S |

LBai/A TYPE| 6/03/87 | 6/03/87 |

13

BLADEX
TANDEM

DG 90%
FL 4 . 0

2 . 0
0 . 5

@-5"
@-5"

60

0

14

BLADEX
TANDEM

FL 4 . 0
FL 4 . 0

2 . 0
0 . 5

@-5"
@- 5"

67

0

15

BLADEX
TANDEM
COC

DG 90%
FL 4 . 0
CO 1 . 0

2.0 @ - 5 "
0.5 @ - 5 "
0.25 @ - 5 "

76

0

16 SC-0051 SC 3.0
TWEEN 20 %S 1.0

0.25 @ - 5 "
0.25% @ - 5 "

20

0

17 SC-0051 SC 3.0
TWEEN 20 %S 1.0

0.50 @ - 5 "
0.25% @ - 5 "

20

0

18 SC-0051 SC 3.0
TWEEN 20 %S 1.0

0.75 @ - 5 "
0.25% @ - 5 "

57

0

19 SC-0051 SC 3.0
ATRAZINE DG 90%
TWEEN 2 0 %S 1.0

0.25 @ - 5 "
1.0 @ - 5 "
0.25% @ - 5 "

67

0

20 SC-0051 EC 3.0
ATRAZINE DG 90%
TWEEN 20 %S 1.0

0.5 @ - 5 "
1.0 @ - 5 "
0.25% @ - 5 "

60

0

21 SC-0051 EC 3.0
ATRAZINE DG 90%
TWEEN 20 %S 1.0

0.75 @ - 5 "
1.0 (a - 5 "
0.25% @ - 5 "

64

0

22 SC-0735 WP 75
TWEEN 20 %S 1.0

0.25 @ - 5 "
0.5% @ - 5 "

70

0

23 SC-0735 WP 75 0.5 @ - 5 "
TWEEN 20 %S 1.0 0.5% @ - 5 "

76

0

24 SC-0735 WP75 0.25 @-5"
ATRAZINE DG 90% 1.0 @ - 5 "
TWEEN 20 %S 1.0 0.5% @ - 5 "

82

0

50

UNIVERSITY OF ILLINOIS

CORN POSTEMERGENCE GRASS STUDY 1

PESTICIDE APPLI-|GIFT |%INJ I I I I

TRT. - CATION|%CTL jviS I I I I

NO. NAME FORMU. LBai/A TYPE | 6/03/8 7 | 6/03/8 7 | | | |

2 5 SC-0735 WP 75 0.5 @-5" 65 0

ATRAZINE DG 90% 1.0 @ - 5 "

TWEEN 20 %S 1.0 0.5% @ - 5 "

26 SC-0735 WP 75 0.75 PRE 60 0
SC-29148 WP 75 0.125 PRE

27 SC-0735 WP 75 0.75 PRE 62 0
SC-29148 WP 75 0.125 PRE

ATRAZINE DG 90% 1.0 PRE

28 SC-0774 WP 75 1.25 (§-5" 88 20
TWEEN 20 %S 1.0 0.25% @ - 5 "

29 SC-0774 WP 75 1.25 @ - 5 " 90 18
ATRAZINE DG 90% 1.0 @ - 5 "

TWEEN 20 %S 1.0 0.25% @ - 5 "

30 DPXM6316 DF 75 3 . 54g (§-5" 51 0
BLADEX DG 90% 1.5 @ - 5 "

X-77 % S 1 . 0 0.25% @ - 5 "

31 DPXM6316 DF 75 7.08g @ - 5 " 58 0
BLADEX DG 90% 1.5 @ - 5 "

X-77 % S 1 . 0 0.25% @ - 5 "

32 BLADEX DG 90% 1.5 @ - 5 " 47 0
X-77 % S 1 . 0 0.25% @ - 5 "

33 BLADEX DG 90% 2.0 @ - 5 " 56 0
X-77 % S 1 . 0 0.25% @ - 5 "

34 BANVEL SC 2.0 0.33 @ - 5 " 48 0
BLADEX DG 90% 2.0 @-5"

35 SAN-825H FL 4.67 2.33 @ - 5 " 58 0
*BANVELK 0.33

*BLADEX 2.0

36 DCA-1 FL 4.67 2.33 @-5" 60 0
*BANVELK 0.33

*BLADEX 1.5

*ATRAZIN 0.5

51

UNIVERSITY

0 F

ILLINOIS

CORN POSTEMERGENCE GRASS STUDY 1

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT | % I NJ |

CATION|%CTL | V 1 S |

FORMU. LBai/A TYPE | 6/03/87 | 6/03/8 7 |

37 RS-012 EC 3.75 0.90 @ - 5 "
X-77 %S1.0 0.25% @ - 5 "
24DAMINE EC 3.8 0.5 @-20"

56

0

38 RS-012 EC 3.75 0.90 S P - 3 "
ATRAZINE DG 90% 1.5 SP-3"

62

0

39 RS-012 EC 3.75 0.90 @ - 5 "
ATRAZINE DG 90% 1.5 @ - 5 "

64

0

40 RS-012 EC 3.75 0.90 @ - 5 "
BLADEX DG 90% 1.5 @ - 5 "
ATRAZINE DG 90% 1.5 @ - 5 "

68

0

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

19
12
L9

2

1

1 0 0

52

UNIVERSITY OF ILLINOIS

POST-DIRECTED GRASS CONTROL IN CORN

LOCATION :URBANA SOUTH FARM

RESEARCH BY : KLADAR/LIEBL

COOPERATOR :GENE OLDHAM

REPORTED BY: TOM KLADAR

PREVIOUS CROP:SOYBEAN PLOT / Ft: 10x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 pH:6.8

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 3377

PLANTING DATE:04/20/87 DEPTH/In:1.5 NUM . PLANTS/ACR . @28,000

SEASONAL RAINFALL DURING EXPERIMENT EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS
Broadleaf weeds were controlled with 1.5 lbs of atrazine preemergence ,
consequently, fairly good supression of giant foxtail occurred. With the
populations of giant foxtail reduced, this allowed for an accurate placement of
the pos t - directed chemicals, which minimized injury.

Treatments were applied at a speed of two miles an hour with a hand held
pos t - direc ted boom. At this slow speed, and with hand held equipment, post
directed work can be done very accuratly, which is important to keep crop
injury to a minimum.

53

POST-DIRECTED GRASS CONTROL IN CORN

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST DIR. I 1 I 1

APPLICATION DATE |06/08/87 | / / 1 / / 1 / / 1 / /
JULIAN DATE/YEAR | J159/87 | J 0/00 j J 0/00 j J 0/00 j J 0/00
START HR / END HR j 0 7 : 00/0 9 : 00 j :/:|:/:|:/:|:/:
APPLIC. METHOD j j j j j
AIR/SOIL TEMP (F)|80 / 65 |0 / 0 |0 / 0 jo / 0 |0 / 0
% REL. HUMIDITY | 70 |0 jo jo |0
WIND DIR. / VELOCJS / 5 j/0 j/0 j/0 j/0
SKY / SOIL COND. j CLEAR/DRY j / | / j / j /
SOIL/LEAF MOIST. | DRY / MOD j / j / j / j /
INCORP. EQUIPMENTJ II
INCORP. DEPTH(in)J0 |0 jo jo jo
SPRAYER TYPE JHAND HELD j j j j
SPRAYER GPA / PSlJ20 / 40 j 0 / 0 | 0 / 0 |0 / 0 |0 / 0
MIX SIZE (Gallon) j .52 jo |0 jo jo
NOZZLE TYPE /NUM. j 15002 j j j j

RATNFATT/TRRTf: inl

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK j / j / j / j / j /
3RD WEEK/4TH WEEKJ / / 1 / j / j /

SPECIES

IAPPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

APPLIC. 5

CODE

SPECIES |DEN./STG.

DEN ./STC .

DEN . /STG .

DEN . /STG .

DEN . /STG .

*******

****** CROP ******!*********

*********

* * * * *****

* * * * * * * * *

*********

ZEMA

CORN | /

/

/

/

/

* * * * * * *

****** PEST ******!*********

*********

* * * * *****

******** *

******* * *

GIFT

GIANT FOXTAIL | M /6-8"

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

1 /

/

/

/

/

54

UNIVERSITY

0 F

ILLINOIS

POST-DIRECTED GRASS CONTROL IN CORN

EXPT. LOCATION:ANIMAL SCIENCE 200-E
RESEARCH BY : KLADAR/LI EBL

PESTICIDE

TRT.

NO. NAME

APPLI-|% CONT.|CORN | CORN |

CATION|GIFT |HT. RED|LF.INJ.|

FORMU. LBai/A TYPE | 6/2 2/8 7 | 6/08/8 7 | 6/08/8 7 |

ROUNDUP EC 4.0 0.50 @-40"

ROUNDUP EC 4.0 0.25 @-40"

IGNITE EC 1.67 0.50 @-40"

IGNITE EC 1.67 0.25 @-40M

PARAQUAT EC 1 . 5 0.40 (3-40"

X-77 %S 1 . 0 0 . 25%

99
93
99
99
99

27

12

3

2

0

7

3

15

10

18

PARAQUAT EC 1.5 0.20 @-40"
X-77 %S 1 .0 0. 25%

97

23

LOROX DF 50 1.00 @-40"
COC CO 1. 0 0.25

42

LOROX DF 50 0.50 @-40"
COC CO 1 .0 0.25

32

POAST EC 1.5 0.20 @-40"
COC CO 1 .0 0.25

98

22

POAST EC 1.5 0.10 @-40"
COC CO 1.0 0.25

87

8

WD CHECK

HW CHECK

0
0

0
0

0
0

LSD(0.05)
STANDARD DEVIATION

7
4

8

5

4
2

55

UNIVERSITY OF ILLINOIS

INCORPORATION VS. PREEMERGENCE STUDY

LOCATION : URBANA CRUSE FARM

RESEARCH BY : CANTWELL/L I EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:M. D. McGLAMERY

PREVIOUS CROP:CORN PLOT / Ft:10x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP : SOYBEANS VARIETY:HACK

PLANTING DATE : 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/F t/ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY: LOW MID:ADQ LATK:ADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

1. INCORPORATION IX WITH FIELD CULTIVATOR, PLUS
IX WITH FAST FINISHER PARALLEL WITH PLOTS.

Command : Better preemergence than preplant incorporated especially at the
lower rates. Foxtail and velvetleaf control better than cocklebur and pigweed.
Scepter : effectively controlled cocklebur and pigweed at 0.083 #/A, yet 0.125
#/A provided only good foxtail control and unacceptable velvet leaf control.
Pursuit : at the low rate was more effective applied preplant incorporated than
preemergence, however there was difference in weed control at the high rates
between the application methods. Pursuit provided effective control of all four
weedy species and was markedly better than Scepter in controlling foxtail and
velvetleaf. Preview : Control of foxtail and cocklebur was better when Preview
was applied preemergence compared to preplant incorporated. There was
nodifference in control of velvetleaf between the application methods. Dual :
provided better pigweed and giant foxtail control when applied preemergence vs.
preplant incorporated while there was little difference in the metribuz in or
Dual plus metribuzin combinations.

56

INCORPORATION Vs. PREEMERGENCE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PPI j PRE j j j

APPLICATION DATE |05/05/87 | 05/11/87 | / / 1 / / 1 / /
JULIAN DATE/YEAR | J125/87 | J131/87 | J 0/00 j J 0/00 | J 0/00
START HR / END HR j 06 : 00/0 7 : 00 j 08 : 00/10 : 00 j : / : j : / : j : / :
APPLIC. METHOD j PPI j PRE j j j
AIR/SOIL TEMP (F)|75 / 60 j 8 5 / 65 jo / 0 |0 / 0 JO / 0
% REL. HUMIDITY | 70 j 90 JO |0 JO
WIND DIR. / VELOC|NE / 08 |NE /09 j/O j/0 j/0
SKY / SOIL COND. j CLEAR/ DRY j CLEAR/ DRY j / j / j /
SOIL/LEAF MOIST, j / j / j / j / j /
INCORP. EQUIPMENT j FIELD CULT . j j j j
INCORP. DEPTH(in)J04 jo jo jo jo
SPRAYER TYPE | HAND HELD j HAND HELD j j j
SPRAYER GPA / PSlJ20 / 30 j 20 / 30 jo / 0 jo / 0 jo / 0
MIX SIZE (Gallon)|0.5 jo.4 jo jo jo
NOZZLE TYPE /NUM. | 8003/5 j 8003/5 j j j

RATMFAI T /TRRTH inl-- -- - .........

0-24 HR/1-3 DAYS | 0 / 0 | 0 . 5 / 0 | / | / | /
4-7 DAYS/2ND WEEKJo.50 / 1 . 50 | 1 . 5 / 0 j / j / j /
3RD WEEK/4TH WEEK j / j / j / j / j /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG .

APPLIC. 5
DEN./STG.

*******

GLYMA
*******

GIFT
SMPW
VELE
C0CB

****** CROP ******

SOYBEANS

****** PEST ******

GIANT FOXTAIL

SMOOTH PIGWEED

VELVETLEAF

COMMON COCKLEBUR

*********

/
*********

/
/
/

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/

/
/
/
/
/
/
/
/

57

UNIVERSITY

0 F

ILLINOIS

INCORPORATION Vs. PREEMERGENCE STUDY

EXPT. LOCATION : CRUSE 600-W
RESEARCH BY : CANTWELL/LI EBL/WAX

TRT.

NO. NAME

PESTICIDE APPLI-|% CONT . | % CONT . | % CONT . | % CONT .
CATION | GIFT | SMPW | COCB |% VELE

FORMU. LBai/A TYPE | 6/2 7/87 | 6/2 7/8 7 | 6/2 //8 7 | 6/2 7/8 /

01 COMMAND EC 4.0 0.25 PPI

02 COMMAND EC 4.0 0.25 PRE

03 COMMAND EC 4.0 0.50 PPI

04 COMMAND EC 4 . 0 0.50 PRE

05 COMMAND EC 4 . 0 1.0 PPI

06 COMMAND EC 4 . 0 1.0 PRE
0 7 SCEPTER EC 1.5 0.08 3 PPI

08 SCEPTER EC 1.5 0.083 PRE

09 SCEPTER EC 1.5 0.125 PPI

10 SCEPTER EC 1.5 0.125 PRE

11 PURSUIT EC 2.0 0.063 PPI

12 PURSUIT EC 2.0 0.063 PRE

13 PURSUIT EC 2.0 0.094 PPI

14 PURSUIT EC 2.0 0.094 PRE

15 PREVEIW DF 75 0.45 PPI
*METRIBZ

^CLASSIC

83

1 /

0

35

95

4 8

20

8 6

93

7 7

20

9 0

94

70

75

95

99

4 8

73

99

99

9 2

83

99

77

66

99

8 3

53

99

98

30

80

()9

99

27

93

66

96

66

94

99

99

95

94

5 0

99

9 7

95

99

9 9

9 6

97

9 9

99

9 6

73

99

99

95

16 PREVEIW DF 75
*METRIBZ

^CLASSIC

0.45 PRE

62

99

89

9 5

17 PREVEIW DF 75
*METRIBZ
*C LAS SIC

0 . 33 PPI

73

9 4

80

93

58

UNIVERSITY

0 F

ILLINOIS

TRT. ---
NO. NAME

INCORPORATION Vs. PREEMERGENCE STUDY

PESTICIDE APPLI-|% CONT . |% CONT . | % CONT . | % CONT . |

CATIONJ GIFT | SMPW | COCB | VELE j

FORMU. LBai/A TYPE| 6\2 7/8 7 | 6/2 7/8 7 | 6/2 7/8 7 | 6/2 7/8 7 |

18 PREVEIW DF 75
*METRIBZ
*CLASSIC

0.33 PRE

19 DUAL

20 DUAL

EC 8 .0 2.25 PPI

EC 8 . 0 2.25

21 METRIBUZ DF 75

22 METRIBUZ DF 75

23 CHECK

PRE

0 . 50 PPI

0.50 PRE

24 DUAL EC 8.0 2.25 PPI
METRIBUZ DF 75% 0.50 PPI

25 DUAL EC 8.0 2.25 PRE
METRIBUZ DF 75% 0.50 PRE

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

62

93

99
48
53
0
99

99

99

70
98
99
99
0
99

99

80

0

0

87

90

0

89

99

96

0

0

96

99

0

98

96

20

36

23

18

12

22

14

11

15

28

20

15

59

UNIVERSITY OF [ L L T N 0 T S
SOYBEAN PREPLANT HERBICIDES INCORPORATED 7.X

LOCATION:URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY: JOHN CANTWELL

PREVIOUS CROP: CORN PLOT / Ft: 10x40 ROW WIDTH/] ti: 30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH:6.2

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY:HACK

PLANTING DATE: 05/06/87 DEPTH/ I n : 1 . r> " S PAC ING/T n : / - 9/Ft/ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY: LOW MID: ADO LATK:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

INCORPORATION IX WITH FIELD CULTIVATOR, PLUS IX WITH EAST FINISHER,
PARALLEL TO PLOTS. In comparison with the PPI IX study, and the pre-
-emergence study, soybean soil applied herbicides performed best at
Urban a, 1987, when incorporated 2X. Several combinations would have
resulted in perfect weed control with one cultivation.

60

SOYBEAN PREPLANT HERBICIDES INCORPORATED 2X

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PPI 1 1 1 1

APPLICATION DATE | 05/05/87 | / / | / / 1 / / 1 / /
JULIAN DATE/YEAR | J125/87 | J 0/00 j J 0/00 j J 0/00 | J 0/00
START HR / END HR | 0 7 : 00/08 : 00 j :/:j:/:|:/:|:/:
APPLIC. METHOD | PPI III
AIR/SOIL TEMP (F)|75 / 60 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY |75 |0 jo |0 |0
WIND DIR. / VELOC|NE /09 | / 0 j / 0 j/0 j/0
SKY / SOIL COND. |CLEAR/ DRY | / | / | / | /
SOIL/LEAF MOIST. | / | / | / | / | /
INCORP. EQUIPMENT | FIELD CULT . j | | j
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE j HAND HELD | I
SPRAYER GPA / PSI|18 / 30 |0 / 0 | 0 / 0 j 0 / 0 j 0 / 0
MIX SIZE (Gallon) | 0 . 52 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8003/5 II

RATNPATT /TRRTP inl - .....

0-24 HR/1-3 DAYS |0/0| / | / | / | /
4-7 DAYS/2ND WEEK|0.50 / 1 . 52 | / I / 1 / 1 /
3RD WEEK/4TH WEEK| / / / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG .

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN. /STG .

■k -k -k -k -k -k -k

GLYMA

■k -k -k -k -k -k -k

GIFT

SMPW
JIWE
VELE
ANMG

•k-k-k-k-k-k CROP ******

SOYBEANS
****** PEST ******

GIANT FOXTAIL
SMOOTH PIGWEED
JIMSONWEED
VELVETLEAF
ANUAL MORNINGGLORY

*********

/
*********

H /

H /

M /

M /

M /

/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/

/
/
/
/
/
/
/
/

* * * * * * k * *

/

* * * * * * * * *

/
/

/
/
/
/
/
/
/

61

UNIVERSITY OF ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED 2X

EXPT. LOCATION : ANIMAL SCIENCE 100-E
RESEARCH BY : C ANTWELL/LI EBL/WAX

TRT .

NO. NAME

PESTICIDE APPLI-|C.I. |GIFT |SMPW |JIWE |VELE |ANMC

CATIONI I I I I I

FORMU. LBai/A TYPE| 0/0 0/00 j 6/16/8 7 j 6/16/8 7 | 6/16/8 7 | 6/16/8 7 { 6/16/8 7

01 METRIBUZ DF 75 0.5 PPI
DUAL EC 8.0 2.25 PPI

95

99

91

99

70

02 TREFLAN EC 4.0 1.0 PPI

03 COMMAND EC 4.0 1.0 PPI

04 DUAL

EC 8 .0 2.25 PPI

05 COMMAND EC 4.0 0.5 PPI
DUAL EC 8.0 2.25 PPI

06 COMMAND EC 4.0 0.5

PPI

07 SALUTE FL 4 . 0 1.5 PPI
*TREFLAN 1.0
*METRIBZ 0.5

08 METRIBUZ DF 75 0.5 PPI
TREFLAN EC 4 . 0 0.75 PPI

0

91

91

5 7

83

93

0

99

50

93

99

/.5

0

89

91

8 3

80

/•5

2

98

85

96

99

72

0

93

50

95

99

73

0

88

96

82

9 4

87

80

96

9 6

97

80

09 SALUTE FL 4.0 1.13 PPI
*TREFLAN 0.75
*METRIBZ 0.375
COMMAND EC 4.0 0.25 PPI

10 METRIBUZ DF 75 0.375 PPI
TREFLAN EC 4 . 0 0.75 PPI
COMMAND EC 4.0 0.25 PPI

11 METRIBUZ DF 75 0.5 PPI
COMMAND EC 4.0 0.75 PPI

12 METRIBUZ DF 75

0. 5

PPI

13 COMMAND EC 4.0 0.25 PPI

14 METRIBUZ DF 75 0.2 PPI
TREFLAN EC 4.0 0.6 PPI
DUAL EC 8.0 2.0 PPI

12

80

85

98

98

93

99

97

98

99

99

9 8

99

81

9 7

88

5

62

99

98

96

78

0

67

53

77

87

60

2

95

96

68

98

96

62

UNIVERSITY

0 F

ILLINOIS

TRT.

NO. NAME

SOYBEAN PREPLANT HERBICIDES INCORPORATED 2X

PESTICIDE APPLI-|C.I. |GIFT | SMPW |JIWE |VELE | ANMG

CATIONI I I I I I

FORMU. LBai/A TYPE | 0/00/00 | 6/16/87 | 6/16/87 | 6/16/87 | 6/16/87 j 6/16/87

15 METRIBUZ DF 75 0.5 PPI
COMMAND EC 4.0 0.5 PPI

10

95

96

99

99

88

16 CHECK

0

0

0

0

0

17 COMMENCE EC 5.25 1.48
*TREFLAN 0.86

*COMMAND 0.63

PPI

98

96

99

99

88

18 COMMENCE EC 5.25 1.48 PPI
*TREFLAN 0.86

^COMMAND 0.63

METRIBUZ DF 75 0.4 PPI

0

96

96

98

99

93

19 COMMENCE EC 5.25 1.48 PPI
*TREFLAN 0.86

^COMMAND 0.6 3

SCEPTER EC 2.0 0.06 PPI

98

99

91

99

97

20 PREVIEW DF 75 0.45 PPI

*CLASSIC 0.04

*METRIBZ 0.4

TREFLAN EC 4 . 0 1.0 PPI

85

99

95

99

98

21 PURSUIT EC 2.0 0.094 PPI
LASSO MT MT 4 . 0 2.0 PPI

95

99

97

99

97

22 PURSUIT EC 2.0 0.063 PPI
TREFLAN EC 4.0 1.0 PPI

8

96

99

90

96

97

23 SALUTE FL 4 . 0 1.13 PPI
*TREFLAN 0.75

*METRIBZ 0.375

SCEPTER EC 2.0 0.094 PPI

96

99

87

98

93

24 PARTNER DG 74% 2.125 PPI
*LASSO 2.0

*SCEPTER 0.125

12

93

99

97

98

96

25 SQUADRON EC 2.0 0.875 PPI
*PROWL 0.75

*SCEPTER 0.125

8

94

99

93

96

93

63

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED 2X

PESTICIDE APPLI-|C.I. |GIFT | SMPW |JIWE |VELE | ANMG

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 0/00/00 | 6/1 6/8 7 | 6/1 6/8 7 | 6/16/8 7 | 6/ 1 6/8 7 | 6/ 16/8 7

26 PURSUIT EC 2.0 0.063 PPI
PROWL EC 4.0 1.0 PPI

93

99

96

9 8

27
28

BAS-514 WP 50

0.25 PPI

BAS-514 WP 50 0.25 PPI
TREFLAN EC 4.0 1.0 PPI

18
10

50
85

33
83

99
99

57
65

98
98

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

10

6

164

12

7
8

18
11
13

19

1 1
1 3

8
5
5

23
14

1 7

64

UNIVERSITY OF ILLINOIS

MORNINGLORY CONTROL IN SOYBEANS

LOCATION :URBANA SOUTH FARM ANS.100

RESEARCHER: CANTWELL, LIEBL, WAX.

COOPERATOR :GENE OLDHAM

REPORTED BY:REX LIEBL

PREVIOUS CROP:CORN PLOT / Ft : 7 . 5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 pH:6.4

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY:HACK

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW

SEASONAL RAINFALL DURING EXPERIMENT EARLY:LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Pos temergence treatments generally performed better than pre-
-emergence treatments, presumably because of limited rainfall after
planting to mobilize soil applied herbicides. Environmental conditions
at the time of pos temergence applications were ideal for maximum herbicide
efficacy. All soil applied treatments afforded less than 90% morningglory
control, however Scepter and Pursuit reduce morningglory growth
such that a favorable height differential was created. Acifluorfen, Cobra,
Reflex, Pursuit, and all combinations with 2-4, DB performed well.
Significant soybean injury was observed on 6/14/87 with acifluorfen,
Cobra , and AC- 263 , 222 .

65

MORNINGLORY CONTROL IN SOYBEANS

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE | POST | POST | |

APPLICATION DATE | 05/11/87 | 06/03/87 | 06/12/87 | / / 1 / /

JULIAN DATE/YEAR | J131/87 | J154/87 | J163/87 j J 0/00 | J 0/00

START HR / END HR | 0 7 : 00/0 8 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD | PRE | POST j POST/DI | |

AIR/SOIL TEMP ( F) | 7 5 / 62 |85 / 80 | 90 / 80 |0 / 0 |0 / 0

% REL. HUMIDITY j 7 5 j 9 5 j 80 |0 |0

WIND DIR. / VELOCJNE / 09 | SW / 5 | SW / 5 j / 0 | / 0

SKY / SOIL COND. | CLEAR/ DRY | CLDY /MOI ST j CLEAR/MOI ST | / | /

SOIL/LEAF MOIST. | / | ABD / ABD j ABD / ABD | / | /

INCORP. EQUIPMENT! 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE | HAND HELD | HAND HELD |HAND HELD | |

SPRAYER GPA / PSI|20 / 30 j 20 / 40 |15 / 40 | 0 / 0 | 0 / 0

MIX SIZE (Gallon) | 0 .44 | . 44 |0 |0 |0

NOZZLE TYPE /NUM . | 8003/5 | 8002/5 | 11002/4 | |

RATNFATT /TRRTG inl - --- - - --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / I / I / I / 1 /
3RD WEEK/4TH WEEK| / / 1 / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN. /STG .

APPLIC. 2
DEN. /STG.

APPLIC. 3
DEN. /STG .

APPLIC. k
DEN. /STG .

APPLIC. 5
DEN. /STG.

1
2

3
4
5
6
7
8
9

•k -k -k -k ■& ~k ■&

GLYMA

~k -k -k k k ~k k

Tarag
Ilmg

****** CROP ******

SOYBEANS
****** PEST ******
TALL MORNINGGLORY
IVYLEAF M.G.

*********

/
*********

/

/
/
/
/
/
/
/
/

*********

/ 3T
*********

H /2-5LF
H /2-4LF

/

/

/

/

/

/

/

*********

/ 5T
*********

H /VINE

H /VINE

/

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

66

UNIVERSITY OF ILLINOIS

MORNINGLORY CONTROL IN SOYBEANS

EXPT. LOCATION : ANIMAL SCIENCE 100 -MID - EAST ,
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-IC I. | ANMG | |

TRT. -- CATIONJ | | |

NO. NAME FORMU. LBai/A TYPE | 6/14/8 7 | 6/14/8 7 |

01 SCEPTER EC 1.5 0.125 PRE 0 60

02 PURSUIT EC 2.0 0.063 PRE 0 57

03 PURSUIT EC 2.0 0.094 PRE 0 50

04 PREVEIW DF 75 0.45 PRE 0 20
*METRIBZ 0.04

^CLASSIC 0.4

05 AC263222 EC 2.0 0.009 PRE 0 17

06 AC263222 EC 2.0 0.018 PRE 0 40

07 AC263222 EC 2.0 0.036 PRE 0 59

08 SCEPTER EC 1.5 0.125 PRE 0 53
AC263222 EC 2.0 0.009 PRE

09 SCEPTER EC 1.5 0.125 PRE 0 81
AC263222 EC 2.0 0.018 PRE

10 SCEPTER EC 1.5 0.125 PRE 0 86
AC263222 EC 2.0 0.036 PRE

11 PURSUIT EC 2.0 0.063 PRE 0 80
AC263222 EC 2.0 0.009 PRE

12 PURSUIT EC 2.0 0.063 PRE 0 53
AC263222 EC 2.0 0.018 PRE

13 PURSUIT EC 2.0 0.063 PRE 0 70
AC263222 EC 2.0 0.036 PRE

14 METRIBUZ DF 75 0.5 PRE 0 10

15 COMMAND EC 4.0 1.0 PRE 0 22

67

UNIVERSITY OF ILLINOIS

MORNINGLORY CONTROL IN SOYBEANS

PESTICIDE APPLI-IC I. | ANMG I I I I

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/14/8 7 | 6/14/8 7 | | |

16

BLAZER

EC

2 .0

0. 5

POST

20

95

X-77

%S

1 .0

0 . 25%

POST

17

COBRA

EC

2 .0

0. 2

POST

20

91

X-77

%S

1.0

0 . 25%

POST

18

REFLEX

EC

2 .0

0. 25

POST

2

92

X-77

%S

1.0

0 . 25%

POST

19

BASAGRAN

EC

4.0

0. 75

POST

0

43

20

CLASSIC

DF

75

. 0117

POST

0

84

X-77

%S

1.0

0. 25%

POST

21

SCEPTER

EC

1 . 5

0. 125

POST

10

76

X- 77

%S

1 .0

0. 25%

POST

22

PURSUIT

EC

2 .0

0 .063

POST

3

82

X-77

%S

1 .0

0. 25%

POST

23 PURSUIT EC 2.0 0.093 POST 3 84
X-77 %S 1.0 0.25% POST

24 BASAGRAN EC 4 . 0 0.5 POST 10 88
BLAZER EC 2.0 0.38 POST

COC CO 1 . 0 0 . 125 POST

25 BASAGRAN EC 4.0 0.75 POST 0 94
BUTYRAC EC 2.0 0.03 POST

COC CO 1.0 0.125 POST

26 BUTYRAC EC 2.0 0.03 POST 18 91
BLAZER EC 2.0 0.38 POST

COC CO 1.0 0.125 POST

27 PURSUIT EC 2.0 0.125 POST 5 89
X-77 %S 1 .0 0 . 25% POST

28 PURSUIT EC 2.0 0.094 POST 18 88
AC263222 EC 2.0 0.009 POST

X-77 %S 1 . 0 0 . 25% POST

68

UNIVERSITY OF ILLINOIS

MORNINGLORY CONTROL IN SOYBEANS

PESTICIDE APPLI-IC. I. | ANMG I I I I

TRT. - CATIONJ 11111

NO. NAME FORMU. LBai/A TYPE j 6/14/87 | 6/14/8 7 j | | |

29 PURSUIT EC 2.0 0.094 POST 25 89
AC263222 EC 2.0 0.018 POST

X-77 %S 1.0 0.25% POST

30 PURSUIT EC 2.0 0.063 POST 8 89
AC263222 EC 2.0 .0018 POST

X-77 %S 1 . 0 0 . 25% POST

31 BUTYRAC EC 2 . 0 0.03 PODIR 0 40
COC CO 1.0 0.25 PODIR

32 BUTYRAC EC 2.0 0.06 PODIR 3 69
COC CO 1.0 0.25 PODIR

LSD(0.05) 9 23

STANDARD DEVIATION 5 14

COEFF. OF VARIABILITY - 122 22

69

UNIVERSITY OF ILLINOIS

SOYBEAN PREEMERGENCE WEED CONTROL STUDY

LOCATION: URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:RICHARD STEVENS

PREVIOUS CROP:CORN PLOT / Ft:7.5x40 ROW WIDTH/In:30

PREVIOUS TILL:CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY:HACK

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Note that herbicides were applied 5 days after planting, and
recieved 0.5" rainfall the evening of application. Cinch and BAS-514
caused noteable soybean height reduction as well as a growth regulator
effect on the upper soybean leaves. The giant foxtail population was
intense, contrasted by the velvetleaf population which was light and
variable. No herbicide treatment afforded satisfactory control of the
annual morningglory complex which consisted of approx. 70% Tall and
30% Ivy leaf.

70

SOYBEAN PREEMERGENCE WEED CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE ill!

APPLICATION DATE | 05/11/87 \ / / | / / I / / 1 / /

JULIAN DATE/YEAR | J131/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR | 0 8 : 00/10 : 00 j :/:|:/:|:/:|:/:

APPLIC. METHOD | PRE 1 1 1 1

AIR/SOIL TEMP ( F) | 80 / 65 j 0 / 0 j 0 / 0 j 0 / 0 |0 / 0

% REL. HUMIDITY j 80 |0 |0 |0 |0

WIND DIR. / VELOC|NE /09 j / 0 j / 0 /0 / 0

SKY / SOIL COND. | CLEAR/ DRY | / | / | / | /

SOIL/LEAF MOIST. | / | / | / | / j /

INCORP. EQUIPMENT! till

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE j HAND HELD

SPRAYER GPA / PSI|20 / 30 |0 / 0 j 0 / 0 | 0 / 0 | 0 / 0

MIX SIZE (Gallon)|.44 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8003/5 | |

RAIN FA IT /TRRTC inl -

0-24 HR/1-3 DAYS |0.5 / 0 | / | / | / | /
4-7 DAYS/2ND WEEK|1.5 / 0 / / / 1 /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

IAPPLIC. 1
| DEN./STG .

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG .

APPLIC. 5
DEN. /STG.

1
2
3

4
5

6
7

8
9

**

G
~k -k

Ql
AN
SM
JI
VE

■k -kick-k

LYMA

-k-k-k-k-k

FT
MG
PW
WE
LE

•k -k -k -k -k

* CROP ****** | -k * -k -k -k -k -k -k -k

SOYBEANS /

* PEST ******|*********

GIANT
ANUAL
SMOOT
J IMSO
VELVE

FOXTAIL |H
MORNINGGLORY | H

|M

H PIGWEED

NWEED

TLEAF

|M

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

* * **** * * *

/
* **** * * * *

/
/
/
/
/
/
/
/
/

71

UNIVERSITY OF ILLINOIS

SOYBEAN PREEMERGENCE WEED CONTROL STUDY

EXPT. LOCATION: ANIMAL SCIENCE 100-MID
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|GIFT | ANMG | SMPW |J1WE |VELE |

TRT. - CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/12/8 7 | 6/ 12/8 7 | 6/12/8 7 | 6/1 2/8 7 | 6/1 2/87 |

01 BAS-514 WP 50 0.25 PRE 42 38 54 93 87

02 BAS-514 WP 50 0.25 PRE 90 80 89 93 87
LASSO MT EC 4.0 2.75 PRE

03 METRIBUZ DF 75 0.5 PRE 13 23 95 75 95

04 CINCH EC 7.0 1.125 PRE 98 0 50 10 98

05 CINCH EC 7.0 1.5 PRE 90 0 40 50 99

06 METRIBUZ DF 75 0.5 PRE 96 7 99 81 99
CINCH EC 7.0 1.125 PRE

07 METRIBUZ DF 75 0.5 PRE 22 0 74 79 93

08 METRIBUZ DF 75 0.5 PRE 97 18 99 84 99
LASSO MT EC 4.0 2.75 PRE

09 PREVIEW DF 75 0.45 PRE 51 52 99 93 99
*METRIBZ 0.41

^CLASSIC 0.04

10 PREVIEW DF 75 0.45 PRE 97 35 99 94 99
*METRIBZ 0.41

^CLASSIC 0.04

CINCH EC 7.0 1.125 PRE

11 PREVIEW DF 75 0.45 PRE 97 37 99 84 99
*METRIBZ 0.41

^CLASSIC 0.04

CINCH EC 7.0 1.5 PRE

12 SCEPTER EC 1.5 0.125 PRE 78 73 95 94 95

13 SCEPTER EC 1.5 0.125 PRE 93 71 99 94 99
CINCH EC 7.0 1.5 PRE

72

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREEMERGENCE WEED CONTROL STUDY

■ tnK »an .

PESTICIDE APPLI-|GIFT | ANMG | SMPW |JIWE |VELE |

TRT. --- CATION| I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/12/87 ( 6/12/87 | 6/12/87 | 6/12/87 | 6/12/87 |

14 SCEPTER EC 1.5 0.125 PRE
LASSO MT EC 4,0 2.75 PRE

95

74

99

98

98

15 SCEPTER EC 1.5 0.125 PRE
PROWL EC 4.0 1.0 PRE

92

67

99

96

98

16 SCEPTER EC 1.5 0.125 PRE
DUAL EC 8.0 2.25 PRE

96

62

99

99

96

17 PURSUIT EC 2.0 0.063 PRE

18 PURSUIT EC 2.0 0.078 PRE

19 PURSUIT EC 2.0 0.094 PRE

20 PURSUIT EC 2.0 0.063 PRE
LASSO MT EC 4.0 2.75 PRE

21 PURSUIT EC 2.0 0.063 PRE

22 AMIBEN DF 75 2.0

24 DUAL

2 5 COMMAND EC 4 . 0 1.0

PRE

23 AMIBEN DF 75 2.0 PRE

DUAL EC 8.0 2.25 PRE

EC 8.0 2.25 PRE

PRE

26 TURBO EC 8.0 2.75 PRE

*METRIBZ 0.5

*DUAL 1.85

91

73

99

95

97

87

63

95

96

99

84

73

91

96

96

93

55

96

98

96

87

59

95

91

97

56

22

68

23

91

95

20

95

50

80

91

23

90

66

81

97

27

70

98

99

98

7

99

90

98

27 COMMAND EC 4 . 0 1.0 PRE

SCEPTER EC 1.5 0.125 PRE

97

82

97

99

99

28 PARTNER DG 74% 2.125 PRE
*LASSO
*SCEPTER

98

56

99

99

98

29 PURSUIT EC 2.0 0.094 PRE
DUAL EC 8.0 2.0 PRE

97

67

99

99

99

73

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREEMERGENCE WEED CONTROL STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT | ANMG | SMPW |JIWE |VELE |

CATIONI I I I I I

FORMU. LBai/A TYPE | 6/12/87 | 6/12/87 | 6/12/87 j 6/12/8 7 | 6/1 2/87 |

30 SQUADRON EC 2.33 0.875 PRE
* PR OWL 0.7 5

*SCEPTER 1.25

95

84

99

99

99

31

32

33

PROWL

EC

4 .

0

1

25

PRE

PURSUIT

EC

2 .

0

0

094

PRE

DUAL

EC

8

0

2

0

PRE

METRIBUZ

DF

75

0

5

PRE

COMMAND

EC

4

0

0

5

PRE

DUAL

EC

8

0

1

0

PRE

PURSUIT

EC

2

0

0

063

PRE

COMMAND

EC

4

0

0

5

PRE

92

98

96

59

22

53

95

99

96

96

9 9

96

99

99

99

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

24
14
17

30
18
40

26
15
17

18
11
12

5
3
3

74

UNIVERSITY OF ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

LOCATION: URBANA SOUTH FARM M17W

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:LOYD WAX

PREVIOUS CROP:CORN PLOT/F t : 1 Ox 3 5 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 4

EXPT. DESIGN:RCBD NUMBER OF REPS : 3

CROP: SOYBEANS VARIETY: HACK

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW

SEASONAL RAINFALL DURING EXPERIMENT. EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

INCORPORATED IX WITH FAST FINISHER PARALLEL TO PLOTS.

The low soil moisture conditions in this study at the time of
application and after, plus the very dense population of weeds, and
the single pass incorporation, resulted in very few outstanding
treatments, and several that were only fair to good. There was a dense
stand of several annual weeds, especially cocklebur and annual
morningglory (a mixture of about 70% ivyleaf and 30% tall). Single
pass incorporation with a combination surf ace - blending tool under
the dry conditions resulted in streaked incorporation and variability
within and among plots. The dini troanil ines and the imidazol inones
were affected most adversely.

Crop injury was essentially non-existant and is not reported.
Giant foxtail was prevalent in the studies and was controlled most
effectively with the acetanilides alone or in combination with
Command. Many treatments controlled pigweed adequately. Velvetleaf was
controlled very well by treatments including metribuzin or Command.
Jimsonweed was controlled adequately only with combinations including
metribuzin. None of the treatments in this study provided acceptable
control of cocklebur or annual morningglory, although treatments
including Preview were the best of the group.

75

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PPI ill

APPLICATION DATE |05/05/87 | / / | / / I// 1//

JULIAN DATE/YEAR | J125/87 | J 0/00 j J 0/00 j J 0/00 j J 0/00

START HR / END HR | 0 6 : 00/0 7 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD | PPI III

AIR/SOIL TEMP ( F) j 70 / 65 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY j 8 0 | 0 |0 |0 |0

WIND DIR. / VELOC|NE / 05 | / I/O j / 0 |/0

SKY / SOIL COND. | CLEAR/ DRY | / | / | / | /

SOIL/LEAF MOIST. | ADQ / ADQ | / j / j / | /

INCORP. EQUIPMENTI FAST FINISH| | | |

INCORP. DEPTH(in)|03 |0 |0 |0 |0

SPRAYER TYPE | HAND HELD | j

SPRAYER GPA / PSI|20 / 30 |0 / 0 j 0 / 0 | 0 / 0 j 0 / 0

MIX SIZE (Gallon) | 0 . 502 |0 |0 |0 |0

NOZZLE TYPE /NUM.j 8003/5 II

RATMFATT /TRRTP inl ..... ... ...... - ..... .._.......

0-24 HR/1-3 DAYS j 0 / 0 | / | / | / | /
4-7 DAYS/2ND WEEK|0.5 / 1.52| / 1 / 1 / 1 /
3RD WEEK/4TH WEEK j / I / / 1 / 1 /

SPECIE
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

•k-k-k-k-k-k -k

GLYMA
*******

COCB
JIWE

ANMG
SMPW
VELE
GIFT

****** CROP ******

SOYBEANS
****** PEST ******
COM. COCKLEBUR
JIMSONWEED
ANUAL MORNINGGLORY
SMOOTH PIGWEED
VELVETLEAF
GIANT FOXTAIL

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

76

UNIVERSITY OF ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

EXPT. LOCATION:M-17 W URBANA
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|GIFT | SMPW |VELE |JIWE |COCB | ANMG

TRT. - CATION) I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/06/87 | 6/06/87 | 6/06/87 | 6/06/8 7 | 6/06/87 | 6/06/8 7

01 METRIBUZ DF 75 0.5 PPI 53 92 78 88 60 7

02 METRIBUZ DF 75 0.5 PPI 94 97 92 95 63 20
DUAL EC 8.0 2.25 PPI

03 BAS-514 WP 50 0.25 PPI 23 47 37 47 30 30

04 BAS-514 WP 50 0.25 PPI 70 73 43 47 30 30
TREFLAN EC 4.0 1.0 PPI

05 TREFLAN EC 4.0 1.0 PPI 68 77 10 17 11

06 COMMAND EC 4.0 1.0 PPI 91 67 82 65 43 0

07 DUAL EC 8.0 2.25 PPI 83 73 37 33 17 0

08 COMMAND EC 4.0 1.0 PPI 95 94 88 70 5') 10
DUAL EC 8.0 2.25 PPI

09 COMMAND EC 4.0 0.5 PPI 79 80 80 65 40 0
DUAL EC 8.0 2.25 PPI

10 COMMAND EC 4.0 0.5 PPI 75 83 60 50 3 3 0
LASSO MT 4.0 1.5 PPI

11 COMMAND EC 4.0 0.5 PPI 87 83 73 60 37 0
LASSO MT 4.0 2.0 PPI

12 COMMAND EC 4.0 0.5 PPI 88 85 75 75 30 0
LASSO MT 4 . 0 2.5 PPI

13 COMMAND EC 4.0 0.5 PPI 88 87 63 58 27 0
LASSO MT 4.0 3.0 PPI

14 COMMAND EC 4.0 0.5 PPI 78 75 62 47 17 10

15 TURBO EC 8.0 2.25 PPI 93 91 68 78 55 23
*DUAL 2.25

*METRIBZ 0.5

77

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT | SMPW | VELE |JIWE |COCB | ANMG

CATIONI I I I I I

FORMU. LBai/A TYPE| 6/06/87 | 6/06/87 | 6/06/87 | 6/06/87 | 6/06/87 | 6/0 6/87

16 TURBO EC 8.0 2.75 PPI

*DUAL 1.85

*METRIBZ 0.4

COMMAND EC 4.0 0.25 PPI

90

95

78

70

63

25

17

PREVEIW DF 75

0

45

*METRIBZ

0

41

*C LAS SIC

0

04

PPI

63

97

93

73

72

47

18 PREVEIW DF 75 0.45 PPI

*METRIBZ 0.41

^CLASSIC 0.04

COMMAND EC 4.0 0.5 PPI

80

93

83

82

70

47

19 PREVEIW DF 75 0.45 PPI
*METRIBZ 0.41

•^CLASSIC 0.04

LASSO EC 4.0 2.75 PPI

90

94

85

85

65

35

20 PREVEIW DF 75 0.45 PPI
*METRIBZ 0.41

^CLASSIC 0.04

DUAL EC 8.0 2.25 PPI

94

98

94

91

85

5 7

21 SCEPTER EC 2.0 0.125 PPI

22 SCEPTER EC 2.0 0.125 PPI
DUAL EC 8.0 2.25 PPI

75
70

85
85

43
27

50
45

58
43

30
23

23 SCEPTER EC 2.0 0.125 PPI
LASSO EC 8.0 2.25 PPI

75

85

47

47

43

27

24 PARTNER WG 71
*LASSO
*SCEPTER

2 . 125 PPI
2 . 0
0 . 125

83

83

43

43

40

23

25 PROWL

EC 4.0 1.0

PPI

53

78

33

23

0

26 PURSUIT EC 2.0 0.063 PPI

52

80

37

43

17

0

78

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

TRT. ---
NO. NAME

PESTICIDE APPLI-|GIFT | SMPW |VELE |JIWE |COCB | ANMG

-"- CATIONI I I I I I

FORMU. LBai/A TYPE| 6/06/87 | 6/06/8 7 | 6/0 6/87 | 6/06/87 | 6/0 6/87 | 6/0 6/87

27 PURSUIT EC 2.0 0.094 PPI

28 PURSUIT EC 2.0 0.063 PPI
DUAL EC 8.0 1.75 PPI

77

88

63

47

23

7

86

93

67

70

4 0

17

29 PURSUIT EC 2.0 0.063 PPI

PROWL

r /.

4.0 1.0

PPI

78

83

60

5 7

33

23

30 PURSUIT EC 2.0
LASSO EC 4.0

0.063 PPI
2.0 PPI

88

93

7 3

63

48

37

31 TURBO EC 8.0
*METRIBZ
*DUAL
SCEPTER EC 2.0

2 . 0 PPI
0. 36
1 .64
0.09 PPI

85

90

70

70

4 7

10

32 SALUTE FL 4.0
*TREFLAN
*METRIBZ
SCEPTER EC 2.0

1.13 PPI
0.75
0 . 375
0.09 PPI

83

94

78

78

62

23

33 SQUADRON FL 2 . 2
*PROWL
*SCEPTER

0.875 PPI
0. 75
0. 125

85

95

80

85

60

30

34 AMIBEN DF 75 1.35 PPI
COMMAND EC 4.0 0.5 PPI

72

80

70

62

27

10

35 AMIBEN DF 75 1.8 PPI
COMMAND EC 4.0 0.5 PPI

60

83

73

67

23

0

36 AMIBEN DF 75
COMMAND EC 4.0
METRIBUZ DF 75

1.35 PPI
0. 5 PPI
0 . 25 PPI

70

85

80

77

38

37 SCEPTER EC 2.0
COMMAND EC 4.0

0.125 PPI
1.0 PPI

79

88

85

63

40

37

38 SONALAN EC 3.0
PREVEIW DF 75
*METRIBZ
^CLASSIC

0.94 PPI
0.45 PPI
0 .41
0.04

67

85

57

47

23

13

79

UNIVERSITY

0 F

ILLINOIS

SOYBEAN PREPLANT HERBICIDES INCORPORATED IX

PESTICIDE APPLI-|GIFT | SMPW |VELE |JIWE | COCB | ANMG

TRT. - CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/06/8 7 | 6/06/8 7 | 6/06/8 7 | 6/06/8 7 | 6/06/8 7 | 6/06/8 7

39 SONALAN EC 3.0 0.94 PPI

40 SONALAN EC 3 . 0 0.94 PPI
PURSUIT EC 2.0 0.063 PPI

75
80

87
88

40
50

47
35

10
25

10

15

41 SONALAN EC 3.0 0.94 PPI
PURSUIT EC 2.0 0.094 PPI

80

82

50

53

50

37

42 SONALAN EC 3 . 0 0.94 PPI
PURSUIT EC 2.0 0.063 PPI

88

94

63

63

33

33

43 CHECK

44 SONALAN
COMMAND

EC 3 .0 0 . 94 PPI
EC 4 . 0 0.5 PPI

NA

NA

NA

NA

NA

NA

80

82

77

53

43

20

45 SONALAN EC 3.0 0.94 PPI
COMMAND EC 4.0 0.75 PPI

82

78

73

53

27

0

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

24

14

21

27

31

24

15

8

13

16

18

14

20

11

21

29

50

88

80

UNIVERSITY OF ILLINOIS

POSTEMERGENCE GRASS CONTROL IN SOYBEANS

LOCATION :URBANA CRUSE FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:M. D. McGLAMERY

PREVIOUS CROPrCORN PLOT / Ft:7.5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARI ETY : WI LLI AMS

PLANTING DATE:05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW NUM . PLANTS

SEASONAL RAINFALL DURING EXPERI MENT : EARLY : LOW MTD.ADQ LATE:ADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

This study was conducted on a moderate stand of giant foxtail that was growing
vigourously at the time of application. All post grass treatments controlled
foxtail quite well. Speed of control was a noteable difference, Whip and Assure
were faster than Verdict, Fusilade, BAS 517, Select, or Fusilade.
Seep terantagonized Select control of giant foxtail.

81

POSTEMERGENCE SOYBEAN GRASS CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| POST 1 1 1 1

APPLICATION DATE | 06/03/87 | / / I// 1 / / 1 / /

JULIAN DATE/YEAR j J154/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR j 0 7 : 00/0 8 : 00 | : / : | : / : j : / : | : / :

APPLIC. METHOD | POST II

AIR/SOIL TEMP ( F) | 80 / 80 |0 / 0 |0 / 0 |0 / 0 jo / 0

% REL. HUMIDITY j 90 |0 |0 |0 |0

WIND DIR. / VEL0C|N /05 |/0 |/0 j / 0 | / 0

SKY / SOIL COND. | CLEAR/MO I ST | / 1 / 1 / 1 /

SOIL/LEAF MOIST. | ABD / ABD j / | / | / | /

INCORP. EQUIPMENT! ill

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE |Co2 HND HLD | | | |

SPRAYER GPA / PS I j 10 / 0 j 0 / 0 j 0 / 0 j 0 / 0 j 0 / 0

MIX SIZE (Gallon) |0 . 24 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8001/5 III

RATNFATT /TRRTG inl --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / I / I / I / 1 /
3RD WEEK/4TH WEEK| / / / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG .

APPLIC. 3
DEN . /STG.

APPLIC. 4
DEN. /STG.

APPLIC. 5
DEN./STG.

■k * * * -A' -k <5r

GLYMA

* -k •* -k -k •* -k

GIFT

■k-k-k-k-k-k CROP ******

SOYBEANS
****** PEST ******
GIANT FOXTAIL

*********

- / 3T
*********

H /4-6"

/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*•****-/'<■***

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

82

UNIVERSITY OF ILLINOIS

POSTEMERGENCE SOYBEAN GRASS CONTROL STUDY

EXPT. LOCATION : CRUSE 500-E
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|% CONT . | | | |

TRT. - CATIONJ GIFT | | | |

NO. NAME FORMU. LBai/A TYPE | 7 /0 3/8 7 | | | |

01

BAS-517

EC

1 .

67

0.

05

POST

COC

CO

1.

0

0.

25

POST

02

BAS-517

EC

1 .

67

0 .

10

POST

COC

CO

1.

0

0.

25

POST

03

BAS-517

EC

1 .

67

0.

15

POST

COC

CO

1.

0

0 .

25

POST

04

POAST

EC

1.

5

0 .

15

POST

COC

CO

1 .

0

0.

25

POST

05

SELECT

EC

2,

,0

0,

075

POST

COC

CO

1.

,0

0.

25

POST

06

SELECT

EC

2 ,

,0

0,

, 10

POST

COC

CO

1

.0

0

.25

POST

07

SELECT

EC

2

. 0

0

.125

POST

COC

CO

1

.0

0

. 25

POST

08

SELECT

EC

2

. 0

0

,06

POST

COC

CO

1

.0

0

. 25

POST

SELECT

EC

2

.0

0

.06

DAY10

COC

CO

1

.0

0

. 25

DAY10

09

SELECT

EC

2

.0

0

. 25

LPOST

COC

CO

1

.0

0

.25

LPOST

10

SCEPTER

EC

1

. 5

0

. 125

POST

SELECT

EC

2

.0

0

. 10

POST

COC

CO

1

.0

0

. 25

POST

11

WHIP

EC

1

.0

0

.075

POST

COC

CO

1

.0

0

. 25

POST

12

WHIP

EC

1

.0

0

. 10

POST

COC

CO

1

.0

0

.25

POST

33

66

97

98

96

99

99

96

99

80

98

99

83

UNIVERSITY OF ILLINOIS

POSTEMERGENCE SOYBEAN GRASS CONTROL STUDY

PESTICIDE APPLI-|% CONT . | I I I I

TRT. CATIONJ GIFT | I I I |

NO. NAME FORMU. LBai/A TYPE j 7/0 3/87 | I I I I

13 ASSURE EC 0.8 0.025 POST 98
X-77 %S 1.0 0.25% POST

14 ASSURE EC 0.8 0.05 POST 99
X-77 %S 1.0 0.25% POST

15 VERDICT EC 2.0 0.12 POST 99
X-77 %S 1 . 0 0 . 25% POST

16 FUSILADE EC 1.0 0.156 POST 98
COC CO 1.0 0.25 POST

17 FUSILADE EC 1.0 0.188 POST 99
COC CO 1.0 0.25 POST

18 CHECK 0

LSD(0.05) - 32

STANDARD DEVIATION - 19

COEFF. OF VARIABILITY - 22

84

UNIVERSITY

0 F

ILLINOIS

ASSURE (DPX-Y6202-38) AND POAST ADDITIVE STUDIES

RESEARCH BY : T .
REPORTED BY:T.

BECKETT, E. STOLLER
BECKETT

CHAMPAIGN, IL STUDY

PREVIOUS CROP:CORN
EXPT. DESIGN:RCBD
CROP: SOYBEAN

VARIETY: HACK

ORR CENTER, PERRY, IL STUDY

PREVIOUS CROP:CORN

EXPT. DESIGN:RCBD

CROP:SOYBEAN VARIETY:HACK

COOPERATOR: G. OLDHAM
PLOT / Ft: 10 x 30
NUM. OF REPS: 4

PLANTING DATE:05/07/87

ROW WIDTH/In: 30

COOPERATOR: G. RAINES
PLOT / Ft: 7.5 x 3 5
NUM. OF REPS :4

PLANTING DATE: 05/21/87

ROW WIDTH/In: 30

EXPERIMENT COMMENTS

These studies are based on a 1986 experiment, but were modified by reducing
the carrier rate to 10 GPA from 18 GPA, and by doubling the rates of 10-34-0
and 28% N to 1 GAL/A. Note that the herbicide rates are roughly one- fourth
of the field use rates, and so comparisons between Assure and Poast
treatments are not justified. Basagran (1 lb ai/A) and Butyrac (2 fl oz
product/A) were applied on to control broadleaf weeds.

UNIVERSITY

0 F

ILLINOIS

85

ASSURE

(DPX-Y6202-38) AND POAST ADDITIVE STUDIES

= = = = = = = = = = = =:c= = = = = ^ =

<>>=_- — >. — — _«>.—.

««---«,-»,«* = = = -

| ** SET 1 OF 1 ** |

| CHAMPAIGN |

|ORR CENTER |

|GEN. APPLIC. TYPE|

| POST |

| POST |

(APPLICATION DATE |

1 6/10/87 |

6/18/87 |

jjULIAN DATE/YEAR |

| J161/87 |

| J169/87 |

| START HR / END HR |

| 5 :45/ 7 : 15 |

18:30/10:30 |

Japplic. METHOD J

| BROADCAST |

j BROADCAST |

|AIR/SOIL TEMP (F) |

1 51 / - |

1 85 / |

|% REL. HUMIDITY |

1 68 |

1 85 / |

|WIND DIR. / VELOCJ

j NE/5-8 |

1 S / 1 |

|SKY / SOIL COND. |

| CLEAR/DRY |

|HAZY / DRY |

| SOIL/LEAF MOIST . j

j DRY /DRY j

|DRY / DRY |

jlNCORP. EQUIPMENT!

1

1

| INCORP. DEPTH(in) |

1 1

| SPRAYER TYPE |

|C02 HND HLD|

|C02 HND HLD|

| SPRAYER GPA / PSI |

| 10 / 40 |

| 10/40 |

|MIX SIZE (Gallon) |

| 0.4 |

| 0.4 |

JNOZZLE TYPE /NUM. |

|FF 8001 j

| FF 8001 j

| IRRIGATION (inch) |

|1.25 (5/17) |

| SPECIES |
|CODE |

I --

SPECIES

CHAMPAIGN

DEN. | STG.

I

1
2

******* I ***** * CROP

GLYMA | SOYBEAN
*******[****** PEST ******

GIFT IGIANT FOXTAIL

****** | ******************** I

| 9 IN, 6 LF |
I ******************** I

|95/FT2 | 1 2 IN, 5 LF |

VOLCORNj VOLUNTEER CORN

|12/PLOT | 2 3 IN, 6 LF |

ORR

DEN.

CENTER

I STG

I *********************

| | 7 IN, 3-5 LF

I *********************

| 1-80/FT2 | 7 IN, 6 LF
|12/PL0T | 1 7 IN.5LF

UNIVERSITY

0 F

ILLINOIS

86

i

ASSURE (DPX-Y6202-38) AND POAST ADDITIVE STUDIES

EXPT. LOCATIONS: AGRONOMY SOUTH FARM, CHAMPAIGN, and ORR CENTER, PERRY, T 1,
RESEARCH BY: T. BECKETT, E. STOLLER LAST UPDATE: 06/09/87 INITIATED: 1986

CHAMPAIGN ORR CENTER

GIFT VOL CORN GIFT VOL CORN
TRT. COMPOUND FORMUL. RATE ( DAYS AFTER TREATMENT )

NUM. TESTED AI/UNIT LBai/A 14 28 14 28 15 27 15 27

11 0 4 0 63 48 14 10

93 99 89 100 93 99 100 100

85 68 3 1 90 99 89 7 9

63 1 8 0 5 3 63 3 2 7

14 4 1 0 61 55 21 8

29 1 0 0 73 50 10 U

93 98 89 99 98 99 100 95

94 97 94 100 93 99 81 81

01A

ASSURE

EC

0.

8

0.025

02A

ASSURE

EC

0.

8

0.025

02B

COC

CO

1 QT/A

03A

ASSURE

EC

0.

8

0.025

03B

X-77

%A

.25% V/V

04A

ASSURE

EC

0.

8

0.025

04B

28% N

AD

1 GAL/A

05A

ASSURE

EC

0.

8

0.025

05B

10-34-0

AD

1 GAL/A

06A

ASSURE

EC

0.

8

0.025

06B

AMM-SULF

DG

2 . 5 LB/A

07A

ASSURE

EC

0

, 8

0.025

07B

COC

CO

1 QT/A

07C

28% N

AD

1 GAL/A

08A

ASSURE

EC

0

. 8

0.025

08B

COC

CO

1 QT/A

08C

10-34-0

AD

1 GAL/A

09A

ASSURE

EC

0

. 8

0.025

09B

COC

CO

1 QT/A

09C

AMM-SULF

DG

2 . 5 LB/A

10A

ASSURE

EC

0

. 8

0.025

10B

X-77

%A

.25% V/V

IOC

28% N

AD

1 GAL/A

11A

ASSURE

EC

0

. 8

0.025

11B

X-77

%A

.25% V/V

11C

10-34-0

AD

1 GAL/A

12A

ASSURE

EC

0

. 8

0.025

12B

X-77

%A

.25% V/V

12C

AMM- SULF

DG

2 . 5 LB/A

91 97 80 99 94 99 95 100

94 85 55 53 93 99 90 98

88 94 18 18 95 92 75 80

86 73 6 0 88 97 65 73

UNIVERSITY OF ILLINOIS

87

ASSURE (DPX-Y6202-38) AND POAST ADDITIVE STUDIES

CHAMPAIGN

ORR CENTER

GIFT

VOL CORN

GIFT

VOL CORN

TRT. COMPOUND FORMUL. RATE
NUM. TESTED AI/UNIT LBai/A

14

( DAYS AFTER TREATMENT
28 14 28 15 27

)

15

27

13A POAST

14A

14B

15A
15B

16A
16B

17A
17B

18A
18B

19A
19B
19C

20A
20B
20C

21A
21B
21C

22A

22B
22C

23A
23B

23C

24A
24B
24C

POAST
COC

POAST

X-77

POAST
28% N

POAST
10-34-0

SL 1. 5

SL 1. 5
CO

SL 1 . 5
%A

SL 1 . 5
AD

SL 1 . 5
AD

0. 05

POAST SL 1 . 5
AMM-SULF DG

POAST
COC
28% N

SL 1 . 5

CO

AD

POAST SL 1.5

COC CO

10-34-0 AD

POAST SL 1.5

COC CO

AMM-SULF DG

POAST
X- 77
28% N

POAST

X-77

10-34-0

SL 1 . 5

%A

AD

SL 1 . 5

%A

AD

POAST SL 1 . 5
X-77 %A
AMM-SULF DG

0

1

05

QT/A

0 . 05

. 25 %

V/V

0.05

1 GAL/A

0. 05

1 GAL/A

0 . 05

2 . 5 LB/A

0 . 05

1 QT/A

1 GAL/A

0.05
1 QT/A
1 GAL/A

0.05
1 QT/A
2 . 5 LB/A

0 . 05
.25% V/V

1 GAL/A

0.05

.25% V/V
1 GAL/A

0 . 05

.25% V/V
2 . 5 LB/A

0

55

0

0

44

75

58

8

0

0

0

19

0

0

0

16

0

0

0

26

0

0

0

0

0

0

0

0

0

0

0

0
69

83

78

83

50

30

25

0
81

0

81

72

84

4/4

23

11

0
15

0

4 2

30

11

0
3

0

0

0

15

28

0

0

UNIVERSITY

0 F

ILLINOIS

88

ASSURE (DPX-Y6202-38) AND POAST ADDITIVE STUDIES

CHAMPAIGN

ORR CENTER

GIFT

VOL CORN GIFT

VOL CORN

TRT. COMPOUND FORMUL. RATE
NUM. TESTED AI/UNIT LBai/A

25A POAST
25B DASH

SL 1 . 5
CO

0.05
1 QT/A

14

40

( DAYS AFTER TREATMENT )

28 14 28 15 27 15

14

78

60

31

27

18

26A WEEDY-CHECK

NA

NA

NA

NA

NA

NA

NA

NA

ASSURE TREATMENTS:
LSD(0.05)

STANDARD DEVIATION
COF.FF. OF VARIABILITY

14

16

15

18

17

22

24

23

10

11

11

13

12

15

17

16

14

19

29

32

14

18

26

2 6

POAST TREATMENTS:

LSD(0. 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

13

9

41

9
6
248

11

7

150

NS

17
12
33

18
13
38

10

7

66

13
9
20 7

89

UNIVERSITY OF ILLINOIS

POSTDIRECTED BROADLEAF WEED CONTROL IN SOYBEANS

LOCATION: URBANA CRUSE FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:RICHARD STEVENS

PREVIOUS CROP:CORN PLOT / Ft:10x40 ROW WlDTH/ln:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY:HACK

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/FT . ROW NUM . PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Dry conditions at planting time resulted in a good 4-6" height
differential between soybean and weed foliage. Standard 8002 nozzles
were used to maximize dose applied to weeds and minimize soybean
exposure to the herbicides. Final weed control realized could have
been dramatically improved with a timely cultivation. 2,4-DB alone
at 0.2#/A proved to be a very economical and efficient treatment.
Addition of Buctril to 2,4-DB improved j imsonweed control.

90

POSTDIRECTED BROADLEAF WEED CONTROL IN SOYBEANS

** SET 1 OF 1 **

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

A P P LIC. 5

GEN. APPLIC. TYPE

POST DIRCT

APPLICATION DATE

06/19/87 |

/ /

/ /

/ /

/ /

JULIAN DATE/YEAR

J170/87

J

0/00

J

0/00

J

0/00

J 0/00

START HR / END HR

: / :

: / :

: / :

: / :

: / :

APPLIC. METHOD

POST DI

AIR/SOIL TEMP (F)

90 / 80

0

/ o

0

/ o

0

/ o

0 / 0

% REL. HUMIDITY

90

0

0

0

0

WIND DIR. / VELOC

SW / 5

/ o

/ o

/ o

/ o

SKY / SOIL COND.

CLOUD/DRY

/

/

/

/

SOIL/LEAF MOIST.

LOW / LOW

/

/

/

/

INCORP. EQUIPMENT

INCORP. DEPTH(in)

0

0

0

0

0

SPRAYER TYPE

HAND HELD

SPRAYER GPA / PSI

18 / 40

0

/ o

0

/ o

0

/ o

0 / 0

MIX SIZE (Gallon)

0. 52

0

0

0

0

NOZZLE TYPE /NUM.

8002 /4

RAINFALL/IRRIG . in

0-24 HR/1-3 DAYS

/

/

/

/

1 /

4-7 DAYS/2ND WEEK

1 /

/

/

/

/

3RD WEEK/4TH WEEK

1 /

/

/

/

/

SPECIES

APPLIC. 1

APPLIC. 2

APPLIC. 3

APPLIC. 4

APPLIC. 5

CODE

SPECIES

DEN. /STG.

DEN. /STG.

DEN. /STG .

DEN. /STG.

DEN. /STG.

*******

****** CROP ******

*********

*********

*********

*********

*********

GLYMA

SOYBEANS

/6T

/

/

/

/

*******

****** PEST ******

*********

*********

*********

*********

*********

JIWE

JIMSONWEED

H

/ 14"

/

/

/

/

SMPW

SMOOTH PIGWEED

H

/ 14"

/

/

/

/

VELE

VELVETLEAF

H

/ 14"

/

/

/

/

ANMG

ANUAL MORNINGGLORY

V

/VINE

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

91

UNIVERSITY OF ILLINOIS

POSTDIRECTED BROADLEAF WEED CONTROL IN SOYBEANS

EXPT. LOCATION: C500W

RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|C.I. |VELE | SMPW |JIWE | ANMG |

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE| 6/29/87 | 6/29/87 | 6/29/87 | 6/29/87 | 6/29/87 |

01 BUCTRIL FL 2.0 0.25 PODIR 2 18 17 33 30
COC CO 1.0 0.50 PODIR

02 BUCTRIL FL 2.0 0.38 PODIR 0 39 18 67 62
COC CO 1.0 0.50 PODIR

03 BUCTRIL FL 2.0 0.25 PODIR 2 73 79 84 63
2 ,4-DB EC 2 . 0 0.20 PODIR

COC CO 1.0 0.50 PODIR

04 BUCTRIL FL 2.0 0.25 PODIR 2 77 84 63 55
LOROX FL 4 . 0 0.50 PODIR

COC CO 1.0 0.50 PODIR

05 BUCTRIL FL 2.0 0.25 PODIR 3 80 77 67 50
SENCOR FL 4 . 0 0.25 PODIR

COC CO 1.0 0.50 PODIR

06 2,4-DB EC 2.0 0.20 PODIR 0 78 78 63 98
COC CO 1.0 0.50 PODIR

07 LOROX FL 4.0 0.50 PODIR 0 58 74 76 61
COC CO 1.0 0.50 PODIR

08 SENCOR FL 4.0 0.25 PODIR 0 59 70 60 72
COC CO 1.0 0.50 PODIR

LSD(0.05) =■ 4 48 23 43 50

STANDARD DEVIATION - 2 27 13 25 28

COEFF. OF VARIABILITY = 201 45 21 39 46

92

UNIVERSITY

0 F

ILLINOIS

POSTEMERGENCE BROADLEAF WEED CONTROL IN SOYBEANS 1

LOCATION :URBANA SOUTH FARM
RESEARCH BY : CANTWELL/LI EBL/WAX
COOPERATOR :GENE OLDHAM
REPORTED BY:LOYD WAX
PREVIOUS CROP: CORN PLOT /
PREVIOUS TILL: CONVENTIONAL
SOIL TEXTURE: SILTY CLAY LOAM OM% :
EXPT. DESIGN:RCBD NUM. OF REPS
CROP: SOYBEANS VARI ETY : WELLS II
PLANTING DATE:05/06/87 DEPTH/In : 1 . 5 "
SEASONAL RAINFALL DURING EXPERIMENT:
PRIMARY RATE UNIT:LBai/A

Ft : 7 . 5x40

5.0
: 3

ROW WIDTH/In: 30
pH:6.0

SPACING/In: 7-9/Ft/ROW NUM. PLANTS
EARLY: LOW MID:ADQ LATE:ADQ

EXPERIMENT COMMENTS

Thi
broadle
were op

A n
10 days
injury
was hea
- ranth)
or Purs
veleve t
in this
COC, X-
28%N pi
all wee

s study was
af weeds . S
t imal for g
umber of th

after appl
was greatly
vi ly infest
. Pigweed w
ui t . Combin
leaf. Many

study. The
77, BCH-815
us e i ther B
d species;

conducted with a heavy stand of sever
tage of weed growth and environmental
ood pos temergence activity,
e treatments caused early injury to so
ication. However, with most of the tre

reduced by three weeks after treatmen
ed with pigweed (mainly smooth but som
as best controlled by treatments inclu
ations with Basagran provided very goo
treatments provided excellent control

study also provided a comparison of c
, and 28%N. Basagran or Tackle when ap
CH-815 or COC were the most active tre
however they also caused the greatest

al annual
conditions

ybeans, rated
atments the
t . The area
e powe 1 1 ama -
ding Tackle
d contol o f
of j imsonweed
he adj uvan ts ;
plied with
atments across
crop inj ury .

93

POST-EMERGENCE SOYBEAN BROADLEAF CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| POST ill

APPLICATION DATE | 06/03/87 | / / | / / | / / I//
JULIAN DATE/YEAR | J154/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 08 : 00/09 : 00 | : / : j : / : | : / : | : / :
APPLIC. METHOD | POST ill
AIR/SOIL TEMP ( F) | 80 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY | 90 |0 |0 |0 |0
WIND DIR. / VELOCJNW /05 | / 0 j / 0 j / 0 |/0
SKY / SOIL COND. j CLDY /MOIST| / I / 1 / 1 /
SOIL/LEAF MOIST. | ABD / ABD | / | / | / | /
INCORP. EQUIPMENT! 1 1 1 1
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE |C02 HND HLD | j | |
SPRAYER GPA / PSI|20 / 40 | 0 / 0 j 0 / 0 | 0 / 0 | 0 / 0
MIX SIZE (Gallon) | 0.44 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8002/5 1 1 1 1

RATNFAT I /TRRTH inl ....

0-24 HR/1-3 DAYS | 0 / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / / 1 / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

•*• •*■ ■&■ -k -k -k -k
■k -k -k -k ~k -k ■*

SMPW
JIWE
VELE

****** CROP ******
SOYBEANS

****** PEST ******
SMOOTH PIGWEED
JIMSON WEED
VELVETLEAF

*********

- / 3T
*********

H /1-4"
H /1-4"
H /2-4"

/

/
/
/
/
/

*********

/
*********

/
/
/

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

94

UNIVERSITY OF ILLINOIS

POST-EMERGENCE SOYBEAN BROADLEAF CONTROL STUDY

EXPT. LOCATION : CRUSE 500-E
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-IC. I. |C. I. | SMPW |VELE |JIWE |

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/13/87 | 6/25/87 | 6/13/87 | 6/ 1 3/8 7 | 6/1. 3/8 7 |

01 BASAGRAN EC 4.0 0.40 POST 0 0 77 80 94
COC CO 1.0 0.25 POST

02 BASAGRAN EC 4.0 0.40 POST 7 0 27 85 95
BCH-815 CO 1.0 0.25 POST

03 BASAGRAN EC 4.0 0.40 POST 0 0 53 90 95
28%N CO 1.0 1.00 POST

04 BASAGRAN EC 4.0 0.40 POST 12 0 52 90 98
COC CO 1.0 0.25 POST

28%N CO 1.0 1.00 POST

05 BASAGRAN EC 4.0 0.40 POST 10 3 35 92 97
BCH-815 CO 1.0 0.25 POST

28%N CO 1.0 1.00 POST

06 BASAGRAN EC 4.0 0.80 POST 13 0 52 92 96
COC CO 1.0 0.25 POST

07 BASAGRAN EC 4.0 0.80 POST 28 7 60 92 9/
BCH-815 CO 1.0 0.25 POST

08 BASAGRAN EC 4.0 0.80 POST 15 3 67 9A 98
28%N CO 1.0 1.00 POST

09 TACKLE EC 2.0 0.25 POST 18 5 93 57 96
COC CO 1.0 0.25 POST

10 TACKLE EC 2.0 0.25 POST 17 7 95 60 96
X-77 %S 1 . 0 0.25% POST

11 TACKLE EC 2.0 0.25 POST 28 5 94 67 94
BCH-815 CO 1.0 0.25 POST

12 TACKLE EC 2.0 0.25 POST 20 0 96 93 96
28%N CO 1.0 1.00 POST

95

UNIVERSITY OF ILLINOIS

POST-EMERGENCE SOYBEAN BROADLEAF CONTROL STUDY

PESTICIDE APPLI-IC. I. |C. I. | SMPW |VELE |JIWE |

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE j 6/1 3/87 | 6/2 5/8 7 | 6/1 3/87 | 6/ 1 3/8 7 | 6/ 1 3/8 7 |

13 CLASSIC DF 25 0.005 POST 18 8 82 72 87
X-77 %S 1 . 0 0.25% POST

14 CLASSIC DF 25 0.005 POST 0 3 75 77 87
28%N CO 1.0 1.00% POST

15 CLASSIC DF 25 0.005 POST 15 5 83 78 93
COC CO 1.0 0.25 POST

16 CLASSIC DF 25 0.005 POST 13 7 87 70 92
BCH-815 CO 1.0 0.25 POST

17 BASAGRAN EC 4.0 0.40 POST 10 0 43 85 96
COC CO 1.0 0.25 POST

28%N %S 1.0 1.00 POST

18 BASAGRAN EC 4.0 0.40 POST 3 0 43 70 90
MYCROZ CO 1.0 0.125 POST

19 BASAGRAN EC 4.0 0.40 POST 3 0 35 83 92
MYCROZ CO 1.0 0.125 POST

28%N CO 1.0 1.00 POST

20 TACKLE EC 2.0 0.25 POST 30 20 88 85 97
BASAGRAN EC 4 . 0 0.40 POST

BCH-815 CO 1.0 0.25 POST

21 TACKLE EC 2.0 0.25 POST 22 3 92 78 97
BASAGRAN EC 4.0 0.40 POST

COC CO 1.0 0.25 POST

22 CHECK 0 0 0 0 0

23 TACKLE EC 2.0 0.25 POST 37 20 99 97 99
BASAGRAN EC 4.0 0.40 POST

BCH-815 CO 1.0 0.25 POST

28%N CO 1.0 1.00 POST

24 TACKLE EC 2.0 0.25 POST 37 25 96 98 99
BASAGRAN EC 4.0 0.40 POST

COC CO 1.0 0.25 POST

28%N CO 1.0 1.00 POST

96

UNIVERSITY

0 F

ILLINOIS

POST-EMERGENCE SOYBEAN BROADLEAF CONTROL STUDY

PESTICIDE

|C

SMPW

|VELE |JIWE

TRT.

NO. NAME

APPLI- | C. I .

CATIONI

FORMU. LBai/A TYPE| 6/13/87 | 6/25/87 | 6/13/87 | 6/13/87 | 6/13/87 |

25 BASAGRAN EC 4 . 0
PURSUIT EC 2.0
COC CO 1.0

0.60 POST
0.063 POST
0.25 POST

13

8 5

87

97

26 BASAGRAN EC 4 . 0
PURSUIT EC 2.0
COC CO 1.0

0.80 POST
0.047 POST
0.25 POST

13

12

95

90

9 7

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

8

5

33

10

6

113

24
14
20

9
5
7

5
3
3

97

UNIVERSITY OF ILLINOIS

■

POSTEMERGENCE BROADLEAF WEED CONTROL IN SOYBEANS 2

LOCATION:URBANA SOUTH FARM

RESEARCH BY : CANTWELL/LIEBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:7.5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH:6.0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARI ETY : WELLS II

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Herbicide treatments were applied 2 days after a series of soaking
rainfalls. Temperature and humidity were high at the time of
application. Soybean injury was severe in many cases, however good
growing conditions allowed the soybeans to recover quickly. Reflex,
Tackle, Cobra, and Buctril all produced the charac ters t ic "burn",
Classic, Scepter, Pursuit, and DPX-M6316 treatments resulted in
soybean height reduction. Benazolin, Rescue, and alanap treated
soybeans all showed epinastic symptoms including stem swelling,
and leaf strapping.

Hoelon was applied at 1.5#/A to control giant foxtail which
resulted in a dense stand of velvetleaf and pigweed with a good
representation of jimsonweed. Several combinations afforded complete
control of the broadleaf spectrum. However several weakness's were
evidenced .

98

POST-EMERGENCE BROADLEAF CONTROL IN SOYBEANS 2

CKE

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|+ POST 1 1 1 1

APPLICATION DATE | 06/03/87 | / / | / / I// 1 / /

JULIAN DATE/YEAR j J154/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR j 09 : 00/10 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD j POST III

AIR/SOIL TEMP (F)|80 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY j 9 5 |0 |0 |0 |0

WIND DIR. / VEL0C|N /05 | / 0 j / 0 |/0 | / 0

SKY / SOIL COND. | CLEAR/MOI ST | / 1 / 1 / 1 /

SOIL/LEAF MOIST. | ABD / ABD | / | / | / | /

INCORP. EQUIPMENTI III

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE | C02 HND HLD | | | |

SPRAYER GPA / PSI | 20 /40|0 / 0 | 0 / 0 | 0 / 0 | 0 /()

MIX SIZE (Gallon) | 0.44 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8002/5 1 1 1 1

RAT NFAT T/TRRTG inl - -

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG .

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN./STG.

******* *

SMPW
JIWE
VELE

* ***** CROP ******
SOYBEANS

****** PEST ******
SMOOTH PIGWEED
JIMSON WEED
VELVETLEAF

*********

- / 3T
*********

H /1-4"
H /1-4"
H /1-4"

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

k **** * ■'< * *

/
* ********

/
/
/
/
/
/
/
/
/

99

UNIVERSITY

0 F

ILLINOIS

POST-EMERGENCE BROADLEAF CONTROL IN SOYBEANS 2

EXPT. LOCATION: CRUSE 500-E
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-IC. I. |VELE | PIWE |JIWE |

TRT. CATION) I I I I

NO. NAME FORMU. LBai/A TYPE | 6/1 8/8 7 | 6/18/8 7 | 6/1 8/8 7 | 6/1 8/8 7 |

01

COBRA

EC

2

0

0 . 20

POST

22

72

99

9 5

02

COBRA

EC

2

0

0. 20

POST

30

78

98

9 9

COC

CO

1

0

. 0625

POST

03

COBRA

EC

2

0

0. 20

POST

30

85

99

99

COC

CO

1

0

0. 125

POST

04

COBRA

EC

2

0

0 . 20

POST

23

67

99

99

28%N

CO

1

0

1.00

POST

05

COBRA

EC

2

.0

0 . 20

POST

18

97

99

99

BASAGRAN

EC

4

.0

0. 38

POST

28%N

CO

1

.0

1 . 00

POST

06 COBRA EC 2.0
CLASSIC DF 25
X-77 %S 1 .0

0.20 POST
0.008 POST
0.25% POST

25

85

99

99

07

REFLEX

EC

2.

0

0

25

POST

X-77

%S

1

0

0

25%

POST

08

REFLEX

EC

2

0

0

25

POST

28%N

CO

1

0

1

00

POST

09

REFLEX

EC

2

0

0

25

POST

BASAGRAN

EC

4

0

0

. 38

POST

28%N

CO

1

0

1

.00

POST

10

BENAZOL

EC

4

0

0

. 38

POST

COC

CO

1

0

0

. 25%

POST

11

BENAZOL

EC

4

0

0

. 38

POST

VARIQUAT

CO

1

.0

0

. 5%

POST

12

BENAZOL

EC

4

.0

0

. 38

POST

TACKLE

SC

2

. 0

0

. 25

POST

X-77

%s

1

. 0

t

25%%

POST

30

15

28

30

28

77

88

98

58

70

80

86

99

96

67

72

90

99

99

99

85

89

99

.

100

UNIVERSITY

0 F

ILLINOIS

POST-EMERGENCE BROADLEAF CONTROL IN SOYBEANS 2

TRT. ---
NO. NAME

PESTICIDE APPLI-IC. I. |VELE | PIWE |JIWE |

CATION| I I I I

FORMU. LBai/A TYPE | 6/18/87 | 6/18/87 | 6/18/87 | 6/18/87 |

13 BENAZOL EC 4.0 0.38 POST
REFLEX EC 2.0 0.125 POST
X-77 %S 1.0 .125% POST

22

82

94

99

14 MON11123 EC 3.0 0.125 POST
COC CO 1.0 0.125 POST

22

85

9 9

99

15 MON11123 EC 3.0 0.188 POST
COC CO 1.0 0.125 POST

10

72

75

88

16 MON11123 EC 3.0 0.25 POST
COC CO 1.0 0.125 POST

23

88

99

99

17 MON11123 EC 3.0 0.38 POST
COC CO 1.0 0.125 POST

22

88

98

96

18 MON11123 EC 3.0 0.25 POST
TACKLE EC 2.0 0.25 POST

10

80

93

97

19 SCEPTER EC 1.5 0.03 POST
X-77 %S 1 . 0 0.25% POST

8

32

70

57

20 SCEPTER EC 1.5
X-77 %S 1 . 0

0.06 POST
0.25% POST

15

47

98

73

21 TACKLE

22

23

TACKLE

TACKLE

SCEPTER

X-77

SC 2.0 0.125 POST

SC 2.0 0.25 POST

SC 2 .0
EC 1 . 5
%S 1.0

0.125 POST
0.03 POST
0.25% POST

8
10
17

37
42
65

95
92
95

96
98
99

24

TACKLE

SCEPTER

X-77

SC 2.0
EC 1 . 5
%S 1.0

0.125 POST
0.06 POST
0.25% POST

17

57

99

98

25

TACKLE

SCEPTER

X-77

SL 2 .0
EC 1 . 5
%S 1.0

0.25 POST
0.03 POST
0.25% POST

15

63

96

99

101

UNIVERSITY

0 F

ILLINOIS

POST-EMERGENCE BROADLEAF CONTROL IN SOYBEANS 2

TRT.

NO. NAME

PESTICIDE APPLI-IC. I. |VELE |PIWE |JIWE |

CATIONJ I I I I

FORMU. LBai/A TYPE | 6/1 8/8 7 | 6/18/8 7 | 6/1 8/8 7 | 6/ 18/8 7 |

26

TACKLE

SCEPTER

X-77

SL 2 . 0
EC 1 . 5
%S 1 . 0

0.25 POST
0.06 POST
0.25% POST

15

60

99

98

27 BUCTRIL FL 2.0 0.05 POST

28 BUCTRIL FL 2.0 0.10 POST

29 BUCTRIL FL 2.0 0.05 POST
TACKLE SL 2.0 0.25 POST

13

20
15

48
72
53

66
50

70

88
89
93

30 BUCTRIL FL 2.0 0.10 POST
TACKLE SL 2.0 0.25 POST

27

58

99

99

31

32

CLASSIC

DF

25

0

008

POST

X-7 7

%S

1 .0

0

25%

POST

CLASSIC

DF

25

0

012

POST

X-77

%S

1.0

0

25%

POST

17

17

7 2

92

95

96

99

99

33 DPXM6316 DF 75 0.004 POST
X-77 %S1.0 0.25% POST

18

90

99

88

34 DPXM6316 DF 75 0.006 POST
X-77 %S 1 . 0 0 . 25% POST

22

90

99

75

35 PURSUIT EC 2.0 0.094 POST
X-77 %S1.0 0.25% POST

10

92

69

91

36 PURSUIT

X-77

EC 2 .0
%S 1.0

0.063 POST
0.25% POST

10

88

6 8

9 6

37 CHECK

38 RESCUE

28%N

EC 2.06 1.5 @-14"
%S 1 . 0 0.25 POST

0
35

0
50

0
44

0
75

3 9 RESCUE EC 2.06 1.0 @-14"
SCEPTER EC 1.5 0.07 POST
28%N CO 1.0 0.25 POST

32

77

98

80

102

UNIVERSITY

0 F

ILLINOIS

POST-EMERGENCE BROADLEAF CONTROL IN SOYBEANS 2

TRT.

NO. NAME

PESTICIDE APPLI-|C. I. |VELE | PIWE |JIWE

CATIONJ J | |

FORMU. LBai/A TYPE | 6/18/87 | 6/18/87 | 6/18/8 7 | 6/18/87

40 RESCUE EC 2.06 1.0 @-14"
CLASSIC DF 25 0.004 POST
X-77 %S 1.0 0.25% POST

33

63

90

80

41 RESCUE

EC 2.06 1.03 POST

35

50

50

50

42 ALANAP

EC 2 . 0 2.0

POST

32

50

67

67

43 BASAGRAN EC 4.0 0.80 POST
PURSUIT EC 2.0 0.047 POST
X-77 %S 1.0 0.25% POST

13

98

96

98

44 BASAGRAN EC 4 . 0
PURSUIT EC 2.0
X-77 %S 1 .0

0.80 POST
0.063 POST
0.25% POST

12

95

99

99

45 BASAGRAN EC 4 . 0
PURSUIT EC 2.0
X-77 %S 1.0

0.60 POST
0.047 POST
0.25% POST

10

96

96

99

46 BASAGRAN EC 4 . 0
PURSUIT EC 2.0
X-77 %S 1.0

0.60 POST
0.063 POST
0.25% POST

15

94

98

99

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

9

5

27

20
12
17

24
15
17

13
8
0

103

UNIVERSITY OF ILLINOIS

STUDY OF PIGWEED CONTROL IN SOYBEAN

LOCATION :URBANA SOUTH FARM

RESEARCH BY : CANTWELL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:7.5x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 5 . 0 pH : 6 . 4

EXPT. DESIGN:RCBD NUM. OF REPS:4

CROP : SOYBEANS VARIETY:HACK

PLANTING DATE: 05/23/87 DEPTH/In:1.5 SPACING/In : 7 - 9/FT . ROW NUM. PLANTS:

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID.ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Smooth pigweed were quite large and growing vigourously at the
time of apppl icat ion . DPX-M6316, Classic, Scepter, and Pursuit
provided excellent smooth pigweed control yet all caused soybean
height reduction. Acifluorfen, Reflex, and Cobra, burned the smooth
pigweed back, however plants tillered from basal meristems and had
significant regrowth. Due to hot-humid conditions at application time
the above treatments caused crop injury syptoms, Cobra caused the worst
crop injury and Reflex the least. A timely cultivation would have
dramatically improved control from the treatments. Basagran had no
effect on the smooth pigweed in this study.

104

STUDY OF PIGWEED CONTROL IN SOYBEAN

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| POST III

APPLICATION DATE [ 06/22/87 | / / I// 1 / / 1 / /
JULIAN DATE/YEAR | J173/87 | J 0/00 j J 0/00 j J 0/00 | J 0/00
START HR / END HR 1 0 9 : 00/ 10 : 00 1 : / : j : / : j : / : j. : / . :
APPLIC. METHOD j POST III
AIR/SOIL TEMP (F)|80 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY | 90 |0 |0 |0 |0
WIND DIR. / VELOC|SW / 5 | / 0 | / 0 | / 0 I/O
SKY / SOIL COND. | CLD /MOIST| / I / I / 1 /
SOIL/LEAF MOIST. | ADQ / ADQ | / j / j / | /
INCORP. EQUIPMENT! Ill
INCORP. DEPTH(in)|0 |0 |0 |0 | 0
SPRAYER TYPE | HAND HELD ill
SPRAYER GPA / PSI|20 / 40 j 0 / 0 j 0 / 0 j 0 / 0 |0 /()
MIX SIZE (Gallon)|.52 |0 |0 |0 |0
NOZZLE TYPE /NUM.|8002/5 II
RATNFATT/TRRTG Inl .. . . ---- --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / 1 / I / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN . /STG.

■k -k-k ■& j< ■& •&

■k -k -k -k -k -k •>'<■

SMPW

■k-k-k-k-k-k CROP ******

SOYBEANS

****** PEST ******

SMOOTH PIGWEED

*********

/6T
*********

H /2-12"

/

/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

***** * * * *
/

■k * -k * -k * * * *

/
/
/
/
/
/
/
/
/

105

UNIVERSITY OF ILLINOIS

STUDY OF PIGWEED CONTROL IN SOYBEAN

EXPT. LOCATION: CHAMPAIGN , IL
RESEARCH BY : CANTWELL/WAX

PESTICIDE APPLI-IC I. | SMPW I I I I

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE| 7/09/87 | 7/09/87 | | | |

01 DPXM6316 DF 75 .0938 POST 19 98
X- 77 %S 1 . 0 0 . 25% POST

02 DPXM6316 DF 75 .0625 POST 13 97
X- 77 %S 1 . 0 0.25% POST

03 DPXM6316 DF 75 .0313 POST 5 91
X- 77 %S 1 .0 0.25% POST

04 CLASSIC DF 25 .0938 POST 4 97
X-77 %S 1 . 0 0.25% POST

0 5 CLASSIC DF25 .0625 POST 5 92

X-77 %S 1 . 0 0 . 25% POST

06 CLASSIC DF 25 .0313 POST 6 84
X-77 %S 1 . 0 0 . 25% POST

07 SCEPTER EC 1.5 .0932 POST 0 95
X-77 %S 1 . 0 0.25% POST

08 SCEPTER EC 1.5 .0625 POST 3 95
X-77 %S 1 . 0 0 . 25% POST

09 SCEPTER EC 1.5 .0313 POST 1 92
X-77 %S 1 . 0 0 . 25% POST

10 PURSUIT EC 2.0 .0932 POST 10 97
X-77 %S 1.0 0.25% POST

11 PURSUIT EC 2.0 .0625 POST 5 99
X-77 %S 1.0 0.25% POST

12 PURSUIT EC 2.0 .0313 POST 4 93
X-77 %S 1 . 0 0.25% POST

13 ACIFLUOR EC 2.0 0.5 POST 9 60
X-77 %S 1 . 0 0. 25% POST

106

UNIVERSITY OF ILLINOIS

STUDY OF PIGWEED CONTROL IN SOYBEAN

PESTICIDE APPLI-IC I. | SMPW | | |

TRT. CATIONI I I I I

NO. NAME FORMU. BDai/A TYPE | 7/09/8 7 | 7/09/8 7 j | j

14

15

16

REFLEX

EC

2 .0

0. 25

POST

3

63

X-77

%S

1 .0

0 . 25%

POST

COBRA

EC

2.0

0. 2

POST

13

60

X-77

%S

1.0

0. 25%

POST

BASAGRAN

EC

4.0

1 .0

POST

0

0

X-77

%S

1.0

0. 25%

POST

LSD(0

.05) =

7

10

STANDARD

DEVIATION

5

7

COE

F F .

OF VARIABILITY -

84

8

107

UNIVERSITY OF ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

LOCATION :URBANA CRUSE FARM

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :GENE OLDHAM

REPORTED BY:REX LIEBL

PREVIOUS CROP:CORN PLOT / Ft : 7 . 5x40 ROW WIDTH/In:30

PREVIOUS TILL:CONVENTIONAL

SOIL TEXTURE : SILTY CLAY LOAM OM% : 5 . 0 pH:6.0

EXPT. I)ESIGN:RCBD NUM. OF REPS : 3

CROP : SOYBEANS VAR I ETY : WELLS II

PLANTING DATE: 05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/Ft/ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY: LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Overall, giant foxtail control was good to excellent despite 0.7"
rainfall 3.5 hours after application. Environmental conditions at the
time of application were optimal for herbicide effectiveness and are
likely the reason for the excellent grass contol and absence
of antagonism. Significant crop injury was observed with Cobra and or
Tackle; Cobra in combination with Poast -was particularly phytotoxic
to the soybeans. The activity of Poast and Fusilade were reduced when
tank-mixed with Cobra. Both BCH-815 and COC performed equally well.

108

SOYBEAN POST GRASS ANTAGONISM STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| POST till

APPLICATION DATE | 06/03/8 7 | / / I / / 1 / / 1 / /

JULIAN DATE/YEAR | J 154/87 | J 0/00 j J 0/00 | J 0/00 j J 0/00

START HR / END HR j 1 1 : 00/1 2 : 00 j : / : | : / | : / : | / :

APPLIC. METHOD | POST III

AIR/SOIL TEMP (F)|85 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY j 9 5 |0 |0 |0 |0

WIND DIR. / VELOC|SW /05 |/0 | / 0 j / 0 | / 0

SKY / SOIL COND. j CLDY /MOIST| / 1 / 1 / 1 /

SOIL/LEAF MOIST, j / | / | / | / | /

INCORP. EQUIPMENTI 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE |C02 HND HLD| | | |

SPRAYER GPA / PSI | 20 / 40 | 0 / 0 j 0 / 0 | 0 / 0 | 0 / 0

MIX SIZE (Gallon) | 0 .44 |0 |0 |0 j 0

NOZZLE TYPE /NUM. | 8002/5 III!

RATNFATT /TRRTG inl -

0-24 HR/1-3 DAYS j 0 . 70 / | / | / | / | /

4-7 DAYS/2ND WEEK| / 1 / / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / /

| SPECIES

|CODE

I

SPECIES

APPLIC. 1
DEN ./STG.

APPLIC. 2
DEN. /STG .

APPLIC. 3
DEN. /STG .

APPLIC. 4
DEN. /STG.

APPLIC. 5
DEN. /STG.

| *******

I

I *******

1| GIFT

2|

3|

4|

5|

6|

7|

8|

9|

****** CROP ******

SOYBEANS
****** PEST ******
GIANT FOXTAIL

*********

- / 3T
*********

H /3-5Lf

/
/
/
/
/
/
/
/

*********

/
*********

/

/
/
/
/

/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

* ********

/
*********

/

/
/
/
/
/
/
/
/

109

UNIVERSITY

0 F

ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

EXPT. LOCATION:CRUSE 500-E
RESEARCH BY : CANTWELL/LI EBL/WAX

r^r n e* ■

TRT .

NO. NAME

PESTICIDE APPLI-|GIFT |C.I. |

- CATIONJ %CONTL. | |

FORMU. LBai/A TYPE | 6/24/8 7 | 6/24/8 7 |

01

POAST
COC

EC
CO

1. 5
1.0

0. 10
0. 25

POST
POST

98

0

02

WHIP
COC

EC
CO

1
1

0
0

0
0

10
25

POST
POST

99

03 FUSILADE EC 1.0 0.15 POST
COC CO 1.0 0.25 POST

95

8

04

POAST
BCH-815

EC
CO

1 . 5
1 .0

0
0

10
25

POST
POST

98

05

WHIP
BCH-815

EC
CO

1
1

0
0

0
0

10
25

POST
POST

95

0

06 FUSILADE EC 1.0 0.15 POST
BCH-815 CO 1.0 0.25 POST

96

0

07 POAST

BASAGRAN
COC

EC 1 . 5
EC 4 .0
CO 1 . 0

0
1
0

10
00
25

POST
POST
POST

92

0

08 WHIP

BASAGRAN
COC

EC 1 . 0
EC 4 . 0
CO 1 . 0

0
1
0

10
00
25

POST
POST
POST

98

0

09

FUSILADE EC 1.0 0.15 POST
BASAGRAN EC 4.0 1.00 POST
COC CO 1.0 0.25 POST

95

0

10 POAST

BASAGRAN
BCH-815

EC 1. 5
EC 4.0
CO 1 . 0

0
1
0

10
00

25

POST
POST
POST

98

0

11 WHIP EC 1.0 0.10 POST

BASAGRAN EC 4.0 1.00 POST
BCH-815 CO 1.0 0.25 POST

98

0

110

UNIVERSITY

0 F

ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

PESTICIDE APPLI-|GIFT |C.I. | |

TRT. CATIONJ I | |

NO. NAME FORMU. LBai/A TYPE | 6/24/8 7 | 6/24/8 7 | |

12

13

14

15

16

17

18

19

20

21

22

FUSILADE

EC

1 .

0

0.

15

POST

BASAGRAN

EC

4 .

0

1.

00

POST

BCH-815

CO

1.

0

0.

25

POST

POAST

EC

1 .

5

0.

10

POST

COBRA

EC

2 .

0

0 .

20

POST

COC

CO

1 .

0

0 .

25

POST

WHIP

EC

1 .

0

0.

10

POST

COBRA

EC

2 .

0

0.

20

POST

COC

CO

1.

0

0.

25

POST

FUSILADE

EC

1 .

0

0.

15

POST

COBRA

EC

2 .

0

0.

20

POST

COC

CO

1.

0

0.

25

POST

POAST

EC

1 ,

, 5

0.

10

POST

COBRA

EC

2

.0

0.

20

POST

BCH-815

CO

1,

,0

0.

25

POST

WHIP

EC

1

, 0

0.

10

POST

COBRA

EC

2

.0

0.

, 20

POST

BCH-815

CO

1

.0

0

25

POST

FUSILADE

EC

1

.0

0

15

POST

COBRA

EC

2

.0

0

. 20

POST

BCH-815

CO

1

.0

0

. 25

POST

POAST

EC

1

. 5

0

. 10

POST

REFLEX

EC

2

.0

0

.25

POST

COC

CO

1

.0

0

. 25

POST

WHIP

EC

1

.0

0

. 10

POST

COC

CO

1

. 0

0

. 25

POST

FUSILADE

EC

1

.0

0

. 15

POST

REFLEX

EC

2

. 0

0

. 25

POST

COC

CO

1

.0

0

. 25

POST

POAST

EC

1

. 5

0

. 10

POST

REFLEX

EC

2

.0

0

. 25

POST

BCH-815

CO

1

. 0

0

. 25

POST

96

76

94

86

89

94

87

89

99

97

94

50

32

30

17

8

17

Ill

UNIVERSITY

0 F

ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

PESTICIDE

|C.I

APPLI- |GIFT

TRT. CATION|

NO. NAME FORMU. LBai/A TYPE | 6/24/8 7 | 6/24/8 7 |

23

24

25

WHIP EC 1.0
REFLEX EC 2.0
BCH-815 CO 1.0

FUSILADE

REFLEX

BCH-815

POAST

TACKLE

COC

EC 1 .0
EC 2 . 0
CO 1 . 0

EC 1 . 5
SL 2 . 0
CO 1 . 0

0

0
0

0
0
0

0
0
0

10
25
25

15
25
25

10
40
25

POST
POST
POST

POST
POST
POST

POST
POST
POST

97

94

0

91

26

WHIP

TACKLE

COC

EC 1 . 0
SL 2 . 0
CO 1 . 0

0
0
0

10
40
25

POST
POST
POST

94

0

27 FUSILADE
TACKLE
COC

28 POAST
TACKLE
BCH-815

29 WHIP
TACKLE
BCH-815

EC 1.0
SL 2 . 0
CO 1 . 0

EC 1 . 5
SL 2 . 0
CO 1 .0

EC 1 .0
SL 2 . 0
CO 1 .0

0
0
0

0
0
0

0
0
0

15
40
25

10
40
25

10
40
25

POST
POST
POST

POST
POST
POST

POST
POST
POST

93

53

97

8

30 FUSILADE
TACKLE
BCH-815

EC 1 . 0
SL 2 . 0
CO 1 .0

0
0
0

15
40
25

POST
POST
POST

97

33 FUSILADE
CLASSIC
COC

EC 1 .0
DF 25
CO 1 . 0

0.15 POST
0.008 POST
0.25 POST

98

0

112

UNIVERSITY

0 F

ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

PESTICIDE

TRT. ---
NO. NAME

APPLI- |GIFT |C. I . |

CATIONJ | |

FORMU. LBai/A TYPE | 6/24/8 7 | 6/24/8 7 |

34 POAST EC 1.5
CLASSIC DF 25
BCH-815 CO 1.0

0.10 POST
0.008 POST
0.25 POST

94

0

35 WHIP EC 1.0
CLASSIC DF 2 5
BCH-815 CO 1.0

0.10 POST
0.008 POST
0.25 POST

98

0

3 6 FUSILADK EC 1.0
CLASSIC DF 2 5
BCH-815 CO 1.0

0.15 POST
0.008 POST
0.25 POST

97

0

37 BASAGRAN EC 4.0 1.00 POST
COC CO 1.0 0.25 POST

0

38 COBRA
COC

EC 2 . 0
CO 1 . 0

0.20 POST
0.25 POST

35

25

39 REFLEX EC 2.0 0.25 POST
COC CO 1.0 0.25 POST

17

0

40 TACKLE
COC

SL 2 .0
CO 1 .0

0.40 POST
0.25 POST

28

8

41 CLASSIC
COC

DF 25
CO 1 . 0

0.008 POST
0.25 POST

0

0

42 CHECK

43

PURSUIT
COC

EC 2 . 0
CO 1 . 0

0.094 POST
0.25 POST

0
88

0
0

44

PURSUIT
COC

EC 2 . 0
CO 1 .0

0.063 POST
0.25 POST

83

45

PURSUIT

POAST

COC

EC 2.0
EC 1 . 5
CO 1 . 0

0.094 POST
0 . 10 POST
0.25 POST

92

46

PURSUIT

POAST

COC

EC 2 . 0
EC 1 . 5
CO 1 .0

0.094 POST
0.10 POST
0.25 POST

93

113

UNIVERSITY

0 F

ILLINOIS

SOYBEAN POST GRASS ANTAGONISM STUDY

PESTICIDE

|C.I.

TRT.

NO. NAME

APPLI- |GIFT

CATIONJ

FORMU. LBai/A TYPE | 6/24/87 | 6/24/87 |

LSD(0 .05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

16

10

10

6

13

116

114

UNIVERSITY

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ILLINOIS

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

LOCATION: CHAMPAIGN

RESEARCH BY
COOPERATOR
REPORTED BY
PREVIOUS CROP
PREVIOUS TILL
SOIL TEXTURE:
EXPT. DESIGN:

FIELDING/STOLLER
GENE OLDHAM
R. FIELDING

CORN PLOT / Ft : 10

CONVENTIONAL
SILTY CLAY LOAM
RCBD NUM. OF REPS

x28

ROW WIDTH/ln: 30

OM% : 5 .0 pH: 6 .0

CROP: SOYBEANS VARIETY: WILLIAMS 82

PLANTING DATE:05/27/87 DEPTH/In: 1.5 SPACING/In:7 9/FT/ROW
SEASONAL RAINFALL DURING EXPERIMENT EARLY : LOW MID:ADQ LATE:ABD
PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Herbicides were applied when conditions were perfec
herbicide activity (see the herbicide application section
stunting seen in this study is probably the most severe w
with these combinations. Velvetleaf control by both chlo
thiameturon (DPX-M6316) was improved by the addition of 2
solution to the tank mixes. This was especially evident
lower rates of each of the herbicides. The control of co
quarters was not greatly affected by the addition of the

The thiameturon gave fairly good control of common 1
even at the 1/32 oz ai/A rate. Some of the common lambsq
were not killed remained severely stunted. Higher rates
turon tended to cause higher levels of stunting to the so

Grass control in this study was acheived by an appli
1.5 pints of Poast.

t for good
) . The crop
e have seen
rimuron and
8% nitrogen
using the
mmon lambs-
28% ni trogen
ambsquar ters
uarters that
of thiame-
ybeans .
cation of

115

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST 1 1 1 1

APPLICATION DATE j 06/22/8 7 | / / | / / I// 1 / /
JULIAN DATE/YEAR | J173/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR j 14 : 00/1 6 : 00 j : / : | : / : | : / : | : / :
APPLIC. METHOD | POST II

AIR/SOIL TEMP ( F) | 90 / 0 |0 / 0 | 0 / 0 |0 / 0 j 0 / 0
% REL. HUMIDITY | 7 0 |0 |0 |0 |0
WIND DIR. / VELOC|SW /5 j/0 | / 0 |/0 | / 0
SKY / SOIL COND. | CLEAR/MOI ST | / 1 / 1 / 1 /
SOIL/LEAF MOIST. | / j / | / | / | /
INCORP. EQUIPMENT! 11(1
INCORP. DEPTH(in)|0 |0 |0 |0 | 0
SPRAYER TYPE |C02 BACK PK | | | |
SPRAYER GPA / PSI|18 / 35 |0 / 0 | 0 / 0 | 0 / 0 | 0 / 0
MIX SIZE (Gallon) | 0 . 53 |0 |0 |0 |0
NOZZLE TYPE /NUM. j 8002 / 5 | j | |

RATMPATT /TRRTf: inl

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / I / 1 / 1 /
3RD WEEK/4TH WEEKj / 1 / 1 / 1 / 1 /

SPECIE
CODE

SPECIES

APPLIC. 1|APPLIC. 2
DEN./STG . | DEN./STG.

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN . /STG .

APPLIC. 5
DEN./STG.

*******

GLYMA
*******

VELE
COLQ

****** CROP ******

SOYBEANS

****** PEST ******

VELVETLEAF

C. LAMBSQUARTERS

********* I *********

/3 TRI| /
********* I *********

2FT/6-8LF|4-7/IN
.5F/8 + LF | 3 - 5/IN

/
/
/
/
/
/
/

I

/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

* * * * * * * * *

/
*********

/

/
/
/
/
/
/
/
/

* * * * * * * * *

/
*********

/
/
/
/
/
/
/
/
/

UNIFORM STANDARD TREATMENT
UNIFORM TRT. RATE AND UNIT

116

UNIVERSITY

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THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

EXPT. LOCATIONrCHAMPAIGN
RESEARCH BY: FIELDING/STOLLER
PRIMARY RATE UNIT:LBai/A

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. | VELE | COLQ |C.I. | VELE |COLQ

CATION | 7 DAT |7 DAT |7 DAT | 14 DAT |14 DAT | 14 DAT

FORMU. LBai/A TYPE| 6/29/87 | 6/29/8 7 | 6/29/8 7 | 7/06/87 | 7/06/87 | 7/06/87

01 CLASSIC DF .25
X-77 %A

0625 POST
25% POST

53

14

60

02 CLASSIC
28% N
X-77

DF . 25

%A
%A

.0625 POST
1 GAL POST
.25% POST

11

78

19

90

11

03 CLASSIC DF .25 .125 POST
X-77 %A .25% POST

13

71

19

82

13

04

CLASSIC
28% N
X-77

DF . 25

%A
%A

.125 POST
1 GAL POST
.25% POST

15

81

20

95

10

05 DPXM6316 DF .75
X-77 %A

0313 POST
25% POST

14

63

60

68

73

06 DPXM6316 DF .75
28% N %A
X-77 %A

.0313 POST
1 GAL POST
.25% POST

18

73

64

89

75

07 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0313 POST
.0625 POST
.25% POST

20

68

63

88

74

08 DPXM6316 DF .75

CLASSIC DF .25

28% N %A

X-77 %A

.0313 POST
.0625 POST
1 GAL POST
.25% POST

23

83

61

9 5

7 6

09 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0313 POST
.125 POST
.25% POST

23

74

68

11

92

79

10 DPXM6316 DF .75

CLASSIC DF .25

28% N %A

X-77 %A

.0313 POST

.125 POST

1 GAL POST

.25% POST

30

85

68

14

97

78

117

UNIVERSITY

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ILLINOIS

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. |VELE | COLQ |C.I. |VELE | COLQ

-- CATION | 7 DAT |7 DAT |7 DAT j 14 DAT |14 DAT | 14 DAT

FORMU. LBai/A TYPE| 6/29/87 | 6/29/87 | 6/29/87 | 7/06/87 | 7/06/87 | 7/0 6/87

11 DPXM6316 DF
X-77 %A

.75 .0625 POST
.25% POST

21

69

71

10

79

80

12 DPXM6316 DF

28% N %A
X-77 %A

75 .0625 POST
1 GAL POST
.25% POST

25

79

73

12

9 5

8 6

13 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

0625 POST
0625 POST
25% POST

25

73

70

17

92

85

14 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .0625 POST

1 GAL POST

.25% POST

33

81

71

20

98

86

15 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.125 POST
.25% POST

29

76

70

19

97

85

16 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .125 POST

1 GAL POST

.25% POST

36

86

7 4

22

9 7

8A

17 DPXM6316 DF
X-77 %A

75 .0833 POST
.25% POST

25

70

70

15

86

8 4

18 DPXM6316 DF
28% N %A
X-77 %A

75 .0833 POST
1 GAL POST
.25% POST

30

83

78

13

96

86

19 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

0833 POST
0625 POST
25% POST

30

76

76

20

93

86

20 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0833 POST

25 .0625 POST

1 GAL POST

.25% POST

31

83

75

23

98

90

118

UNIVERSITY

0 F

ILLINOIS

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

TRT. ---
NO. NAME

PESTICIDE APPLI-ICI. | VELE | COLQ |C.I. |VELE | COLQ

CATION | 7 DAT |7 DAT |7 DAT | 14 DAT | 14 DAT | IU DAT

FORMU. LBai/A TYPE| 6/29/87 | 6/29/87 | 6/29/87 | 7/06/8 7 | 7/06/87 | 7/06/87

21 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

0833 POST
125 POST
25% POST

34

79

74

21

97

88

22 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0833 POST

25 .125 POST

1 GAL POST

.25% POST

36

88

75

23

98

88

23
24

CHECK

CHECK

0
0

0
100

0
100

0

0

0
100

0
100

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

7

5

23

6

4
5

6

4
7

5

3

28

7
5
6

6

4
6

119

UNIVERSITY

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ILLINOIS

TRT.

NO. NAME

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

PESTICIDE APPLI-|C.I. |VELE | COLQ | |
- CATION|21 DAT |21 DAT |21 DAT | |

FORMU. LBai/A TYPE | 7/1 3/8 7 | 7/1 3/87 | 7/1 3/8 7 |

01

CLASSIC

DF

. 25

.0625

POST

X-77

%A

. 25%

POST

02

CLASSIC

DF

. 25

. 0625

POST

28% N

%A

1 GAL

POST

X-77

%A

. 25%

POST

03

CLASSIC

DF

.25

. 125

POST

X-77

%A

. 25%

POST

04

CLASSIC

DF

. 25

. 125

POST

28% N

%A

1 GAL

POST

X-77

%A

. 25%

POST

05

DPXM6316

DF

. 75

.0313

POST

X-77

%A

. 25%

POST

06

DPXM6316

DF

. 75

. 0313

POST

28% N

%A

1 GAL

POST

X-77

%A

. 25%

POST

07

DPXM6316

DF

. 75

.0313

POST

CLASSIC

DF

. 25

.0625

POST

X-77

%A

. 25%

POST

08

DPXM6316

DF

. 75

.0313

POST

CLASSIC

DF

. 25

.0625

POST

28% N

%A

1 GAL

POST

X-77

%A

. 25%

POST

09

DPXM6316

DF

. 75

.0313

POST

CLASSIC

DF

.25

. 125

POST

X-77

%A

. 25%

POST

10

DPXM6316

DF

. 75

.0313

POST

CLASSIC

DF

. 25

. 125

POST

28% N

%A

1 GAL

POST

X-77

%A

. 25%

POST

11

DPXM6316

DF

. 75

.0625

POST

X-77

%A

. 25%

POST

10

58

95

80

96

71

89

88

96

94

96

10

10

10

10

82

86

88

86

87

89

81

87

120

UNIVERSITY

0 F

ILLINOIS

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. |VELE | COLQ |

CATION|21 DAT | 2 1 DAT |21 DAT |

FORMU. LBai/A TYPE | 7/13/87 | 7/13/87 | 7/13/87 |

12 DPXM6316 DF
28% N %A
X-77 %A

75 .0625 POST
1 GAL POST
.25% POST

97

94

13 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.0625 POST
.25% POST

11

93

93

14 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

.75 .0625 POST

.25 .0625 POST

1 GAL POST

.25% POST

15

97

95

15 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.125 POST
.25% POST

12

97

94

16 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

.75 .0625 POST

.25. .125 POST

1 GAL POST

.25% POST

14

98

95

17 DPXM6316 DF .75
X-77 %A

0833 POST
25% POST

10

93

93

18 DPXM6316 DF
28% N %A
X-77 %A

75 .0833 POST
1 GAL POST
.25% POST

10

97

95

19 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0833 POST
.0625 POST
.25% POST

16

94

95

20 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

.75 .0833 POST

.25 .0625 POST

1 GAL POST

.25% POST

18

97

95

21 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0833 POST
.125 POST
.25% POST

17

97

95

121

UNIVERSITY

0 F

ILLINOIS

THIAMETURON (DPX-M6316) AND CHLORIMURON COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. |VELE | COLQ |
CATION j 21 DAT j 21 DAT |21 DAT |

FORMU. LBai/A TYPE | 7/1 3/8 7 | 7/1 3/87 | 7/1 3/87 |

22 DPXM6316 DF .75 .0833 POST

CLASSIC DF .25 .125 POST

28% N %A 1 GAL POST

X-77 %A .25% POST

17

98

95

23 CHECK

24 CHECK

0

100

100

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

4

3

35

7

5

5

4
3
4

122

UNIVERSITY

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ILLINOIS

CLASSIC AND DPX M6316, ADDITIVE VS. RATE

LOCATION: CHAMPAIGN

RESEARCH BY
COOPERATOR
REPORTED BY
PREVIOUS
PREVIOUS

FIELDING/STOLLER

GENE OLDHAM
R. FIELDING
CROP: CORN PLOT /
TILL: CONVENTIONAL

Ft: 10 x28 ROW WIDTH/I n : 30

5.0 pH: 6 .0

SOIL TEXTURE: SILTY CLAY LOAM OM%

EXPT. DESIGN:RCBD NUM. OF REPS:4

CROP: SOYBEANS VARI ETY : WI LLI AMS 82'

PLANTING DATE: 05/06/87 DEPTH/ In : 1 . 5 " S PACING/In : 7 - 9/FT/ROW

SEASONAL RAINFALL DURING EXPERIMENT EARLY : LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

The weeds were quite large at the time of application which
resulted in poorer control overall. From the results of this study,
it seems that X-77 rates can be reduced without greatly affecting
weed control and possibly reducing crop injury in some cases. An
X-77 rate of 0.063% v/v seemed to reduce the initial injury to the
soybeans without greatly affecting the weed control.

The treatments with 28% nitrogen caused very little crop injury
at all of the rates, but rates of 1 qt to 2 qts were needed to
maintain good weed control (see velvetleaf ratings from 6/25/87).

Grasses were controlled with 1.5 pints of Poast which was
sprayed 5/27/87.

123

ADDITIVE RATE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST III

APPLICATION DATE |06/04/87 I / / I// 1 / / 1 / /
JULIAN DATE/YEAR | J155/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 0 7 : 00/09 : 30 | :/:|:/:|:/:|:/:
APPLIC. METHOD | POST 1 1 1 1
AIR/SOIL TEMP (F)|75 / 80 jo / 0 |0 / 0 |0 / 0 jo / 0
% REL. HUMIDITY | 60 |0 |0 |0 |0
WIND DIR. / VELOC|W / 5 j/0 | / 0 | / 0 |/0
SKY / SOIL COND. | CLEAR/MO I ST | / I / 1 / 1 /
SOIL/LEAF MOIST. | / | / | / | / | /
INCORP. EQUIPMENT| ill
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE |C02 HND HLD | | | |
SPRAYER GPA / PSI|18 / 35 |0 / 0 | 0 / 0 | 0 / 0 | 0 / 0
MIX SIZE (Gallon) | 0. 53 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8002/5 ill

RATMFAT T /TRRTP. inl

0-24 HR/1-3 DAYS |0 / 0 | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / I / 1 / 1 /
3RD WEEK/4TH WEEK| / / / 1 / 1 /

SPECIE
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG .

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN . /STG.

APPLIC. 5
DEN./STG.

•k idc -k * -k -k

GLYMA

•k k X -k -k -k ~k

SMPW
VELE
ILMG
YENS

****** CROP ******

SOYBEANS

****** PEST ******

SMOOTH PIGWEED |

VELVETLEAF

MRNG. , IVYLEAF

NUTSEDGE, YELLOW

*********

- /3T
*********

H /6+LF |
M /4-7LF
M /5-8LF
L /12 LF

/

/

/

/

/

*********

/

*********

/

/
/
/
/
/
/
/
/

*********

/

*********

UNIFORM STANDARD TREATMENT
UNIFORM TRT. RATE AND UNIT

/

/
/
/
/
/
/
/
/

*********

/
*********

/ I

/
/
/
/
/
/
/
/

*********

/

*********

/

/
/
/
/
/
/
/
/

124

UNIVERSITY

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ILLINOIS

ADDITIVE RATE STUDY

RESEARCH BY : FI ELDING/STOLLER
PRIMARY RATE UNIT:LBai/A

PESTICIDE

TRT.

NO. NAME

APPLI-|C.I. |VELE |SMPW |ILMG |C.I. |VELE

CATION | 7 DAT |7 DAT |7 DAT |7 DAT | 14 DAT | 14 DAT

FORMU. LBai/A TYPE| 6/11/87 | 6/11/87 | 6/11/87 | 6/11/87 | 6/18/87 | 6/18/87

01 CLASSIC DF .25
X-77 %A

.125 POST
.25% POST

13

71

76

45

64

02 CLASSIC DF .25
X-77 %A

125 POST
125% POST

14

71

81

48

6/.

03 CLASSIC DF .25 .125 POST
X-77 %A .063% POST

11

71

78

48

68

04 CLASSIC DF .25
X-77 %A

.125 POST
.031% POST

68

76

44

59

05 CLASSIC DF .25
28% N %A

.125 POST
4 QT POST

83

78

49

0

78

06 CLASSIC DF .25 .125 POST
28% N %A 2 QT POST

78

81

46

81

07 CLASSIC DF .25 .125 POST
28% N %A 1 QT POST

80

80

48

76

08 CLASSIC DF .25
28% N %A

125 POST
5 QT POST

76

78

44

65

09 DPXM6316 DF .75
X-77 %A

0625 POST
25% POST

12

75

75

4 9

74

10 DPXM6316 DF .75
X-77 %A

0625 POST
12 5% POST

16

75

76

48

74

11 DPXM6316 DF .75
X-77 %A

0625 POST
063% POST

70

75

46

73

12 DPXM6316 DF .75
X-77 %A

0625 POST
031% POST

66

71

48

68

13 DPXM6316 DF .75
28% N %A

.0625 POST
4 QT POST

71

75

46

80

125

UNIVERSITY

0 F

ILLINOIS

ADDITIVE RATE STUDY

PESTICIDE

TRT.

NO. NAME

APPLI-IC.I. |VELE | SMPW |ILMG |C.I. |VELE

CATION | 7 DAT |7 DAT |7 DAT |7 DAT | LA DAT j 14 DAT

FORMU. LBai/A TYPE | 6/11/87 | 6/11/87 | 6/11/87 | 6/11/87 | 6/18/87 | 6/18/87

14 DPXM6316 DF .75 .0625 POST
28% N %A 2 QT POST

76

81

48

78

15 DPXM6316 DF .75 .0625 POST
28% N %A 1 QT POST

73

/6

48

7 5

16 DPXM6316 DF
28% N %A

75 .0625 POST
.5 QT POST

8

73

74

45

lb

17 CHECK

18 CHECK

0
0

0
99

0
99

0
99

0

0

0
99

LSD(0. 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

5

4

47

5
4
5

7
5
6

5
/)
8

4

3

8 2

126

UNIVERSITY

0 F

ILLINOIS

ADDITIVE RATE STUDY

PESTICIDE

TRT.

NO. NAME

FORMU

APPLI-|SMPW |ILMG |C.I. |VELE | SMPW | ILMG

CATION|14 DAT | 14 DAT |21 DAT |21 DAT | 2 1 DAT |21 DAT

LBai/A TYPE | 6/18/87 | 6/18/87 | 6/25/87 | 6/25/87 | 6/25/87 | 6/25/87

01 CLASSIC DF .25
X-77 %A

125 POST
25% POST

75

50

63

76

44

02 CLASSIC DF .25 .125 POST
X-77 %A .125% POST

74

49

61

78

44

03 CLASSIC DF .25 .125 POST
X-77 %A .063% POST

79

51

65

76

4 6

04 CLASSIC DF .25 .125 POST
X-77 %A .031% POST

66

49

0

60

68

A3

05

CLASSIC

DF

28% N

%A

06

CLASSIC

DF

28% N

%A

07

CLASSIC

DF

28% N

%A

08

CLASSIC

DF

28% N

%A

09

DPXM6316

DF

X-77

%A

25

25-

25

25

75

.125 POST
4 QT POST

. 125
2 QT

. 125
1 QT

POST
POST

POST
POST

125 POST

5 QT POST

0625 POST

25% POST

78

79

78

71

83

50

56

50

51

54

0

0

79

78

75

69

80

7 8

79

81

73

80

A 8

46

49

46

48

10 DPXM6316 DF .75 .0625 POST
X-77 %A .125% POST

78

51

81

85

51

11 DPXM6316 DF .75 .0625 POST
X-77 %A .063% POST

78

54

0

7 4

79

49

12 DPXM6316 DF .75 .0625 POST
X-77 %A .031% POST

73

51

0

73

79

49

13 DPXM6316 DF .75

28% N %A

.0625 POST
4 QT POST

84

55

0

85

89

49

14 DPXM6316 DF .75
28% N %A

.0625 POST
2 QT POST

79

50

84

90

4 6

j A@A@A@A(aA(aA(a i

127

UNIVERSITY

0 F

ILLINOIS

ADDITIVE RATE STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|SMPW |ILMG |C.I. |VELE | SMPW |ILMC

- CATION | 14 DAT | 14 DAT |21 DAT |21 DAT |21 OAT |21 DAT

FORMU. LBai/A TYPE| 6/18/87 | 6/18/87 | 6/25/87 | 6/25/87 | 6/2b/8 7 j 6/25/87

15 DPXM6316 DF .75 .0625 POST
28% N %A 1 QT POST

80

49

0

76

83

41

16 DPXM6316 DF .75 .0625 POST
28% N %A .5 QT POST

79

46

0

78

81

48

17 CHECK

18 CHECK

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

0

0

0

99

99

0

99

99

99

8
6
8

7
5
9

2

1

334

10

7

10

10

7
9

6
4
9

128

UNIVERSITY

0 F

ILLINOIS

CHLORIMURON ADDITIVE STUDY

LOCATION:
RESEARCH BY
COOPERATOR
REPORTED BY
PREVIOUS CROP
PREVIOUS TILL
SOIL TEXTURE:

CHAMPAIGN

FIELDING/STOLLER
GENE OLDHAM
ROBERT FIELDING
: CORN PLOT /

CONVENTIONAL
SILTY CLAY LOAM

NUM. OF REPS

Ft: 10 x28

ROW WIDTH/In: 30

OM%
4

5.0 pH:6.0

EXPT. DESIGN:RCBD

CROP: SOYBEANS VARIETY: WILLIAMS 82

PLANTING DATE:05/06/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/FT/ROW

SEASONAL RAINFALL DURING EXPERIMENT EARLY:LOW MID:ADQ LATE:ABD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

He rbic id
application info
si ight ly better
X-77. The treat
did the treatmen
soybeans more th
velvetleaf were
in the same tank

The smooth
treatments . The
which included b

Grass cont r
sprayed on 5/27/

es sprayed when the weeds were quite large (see
rmation). The treatments with 28% nitrogen gave
control of velvetleaf than did the treatments with
ments with C.O.C. provided about the same control as
ts with 28% nitrogen, but the C.O.C. injured the
an 20%. The treatments that looked best overall on
the treatments which included both X-77 and 28% nitrogen

mixture .
pigweed was well controlled with almost all of the

morningglory was controlled best with the treament s
oth C.O.C. and 28% nitrogen.

ol was provided with 1.5 pints of Poast which was
87 .

129

CHLORIMURON ADDITIVE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST 1 1 1 1

APPLICATION DATE | 06/03/87 | / / I// 1 / / 1 / /
JULIAN DATE/YEAR | J154/87 | J 0/00 j J 0/00 j J 0/00 j J 0/00
START HR / END HR | 07 : 00/09 : 00 | :/:|:/:|:/:|:/:
APPLIC. METHOD | POST 1 1 1 1
AIR/SOIL TEMP (F)|75 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY |65 |0 |0 |0 |0
WIND DIR. / VELOC|SW / 5 | / 0 | / 0 |/0 |/0
SKY / SOIL COND. | CLEAR/MO I ST | / 1 / 1 / 1 /
SOIL/LEAF MOIST. | / | / | / | / | /
INCORP. EQUIPMENT! Ill
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE |C02 HND HLD j | | |
SPRAYER GPA / PSI|18 / 35 |0 / 0 |0 / 0 j 0 / 0 j 0 / 0
MIX SIZE (Gallon) j 0 . 53 |0 |0 jo |0
NOZZLE TYPE /NUM. | 8002/5 1 1 1 1

RATNPATT /TRRTfi inl

0-24 HR/1-3 DAYS |0 / 0 | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / 1 / 1 / 1 / 1 /

SPECIE
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN . /STG .

APPLIC. 4
DEN . /STG .

APPLIC. 5
DEN ./STG .

•k -k * -k -k -k *

GLYMA

■k -k -k -k -k -k -k

SMPW
VELE
ILMG

****** CROP ******

SOYBEANS

****** PEST ******

SMOOTH PIGWEED

VELVETLEAF

MRNG . , IVYLEAF

*********

/3T
*********

H
M
M

/2-4LF
/4-7LF

/
/
/
/
/
/

6LF

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

UNIFO
UNIFO

RM
RM

STANDARD TREATMENT
TRT. RATE AND UNIT

130

UNIVERSITY

0 F

ILLINOIS

CHLORIMURON ADDITIVE STUDY

EXPT. LOCATION : CHAMPAIGN
RESEARCH BY: FI ELDING/STOLLER
PRIMARY RATE UNIT:LBai/A

PESTICIDE

TRT. ---
NO. NAME

APPLI-|C.I. |VELE |SMPW | 1 LMG |C.t. |VELE

CATION | 7 DAT |7 DAT |7 DAT |7 DAT | 14 DAT | 14 DAT

FORMU. LBai/A TYPE | 6/10/8 7 | 6/10/8 7 | 6/10/87 [ 6/10/87 | 6/17/87 | 6/37/87

03 CLASSIC DF .25
X-77

.125 POST

1

64

81

35

0

59

.1875 POST

6

65

81

38

1

7 0

.125 POST

13

74

89

43

3

76

.25% POST

04 CLASSIC DF .25 .1875 POST
X-77 .25% POST

16

73

89

39

81

05 CLASSIC
CO. C .

DF .25 .125 POST
1 QT POST

20

76

88

40

89

06 CLASSIC
C.O.C.

DF .25 .1875 POST
1 QT POST

23

84

90

43

13

93

07 CLASSIC
28% N

DF .25 .125 POST
.28 1 GAL POST

10

80

88

39

86

08 CLASSIC
28% N

DF .25 .1875 POST
.28 1 GAL POST

81

81

41

0

91

09 CLASSIC
X-77
28% N

DF .25 .125 POST

.25% POST

.28 1 GAL POST

16

88

93

44

94

10 CLASSIC
X-77
28% N

DF .25 .1875 POST

.25% POST

. 28 1 GAL POST

23

88

91

43

97

11 CLASSIC
C.O.C.
28% N

DF .25 .125 POST

1 QT POST

.28 1 GAL POST

20

85

89

4 3

13

89

12 CLASSIC
C.O.C .
28% N

DF .25 .1875 POST

1 QT POST

.28 1 GAL POST

25

84

90

43

11

97

UNIVERSITY

131

0 F

ILLINOIS

CHLORIMURON ADDITIVE STUDY

TRT. ---
NO. NAME

PESTICIDE APPLI-IC.I. | VELE | SMPW |ILMG |C.I. |VELE

-- CATION | 7 DAT |7 DAT |7 DAT |7 DAT | 14 DAT | 14 DAT

FORMU. LBai/A TYPE| 6/10/87 | 6/10/87 | 6/10/87 | 6/10/87 | 6/17/87 | 6/17/87

13 BASAGRAN FL 4 LB 1 LB POST
CO. C . 1 QT. POST

14 BASAGRON FL 4 LB 1 LB POST
28% N .28 1 GAL POST

91

93

61

61

50

53

98

9/

15 CHECK

16 CHECK

LSD(0. 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

0

0

0

0

99

99

99

0

99

5

9

7

6

5

8

3

6

5

4

3

6

27

8

6

10

70

7

-L

132

UNIVERSITY

0 F

ILLINOIS

CHLORIMURON ADDITIVE STUDY

PESTICIDE

TRT.

NO. NAME

APPLI-|SMPW |ILMG |C.I. |VELE | SMPW |TLMG

CATION|14 DAT | 14 DAT | 2 1 DAT | 2 1 DAT | 2 1 DAT |21 DAT

FORMU. LBai/A TYPE | 6/17/87 | 6/17/87 | 6/24/87 | 6/24/8 7 | 6/24/8 7 | 6/24/87

01 CLASSIC DF .25

02 CLASSIC DF .25

03 CLASSIC DF .25 .125

X-77 .25% POST

125 POST

74

54

0

61

73

41

1875 POST

80

63

1

78

81

46

125 POST

88

66

1

78

88

4 9

04 CLASSIC DF .25 .1875 POST
X-77 .25% POST

89

66

84

90

60

05 CLASSIC DF .25 .125 POST
C.O.C. 1 QT POST

91

70

8 6

91

54

06 CLASSIC DF .25 .1875 POST
C.O.C. 1 QT POST

97

76

10

9 2

9/

6 1

07 CLASSIC DF .25 .125 POST
28% N .28 1 GAL POST

89

61

90

93

48

08 CLASSIC DF .25 .1875 POST
28% N .28 1 GAL POST

93

61

0

91

90

55

09 CLASSIC DF .25 .125 POST
X-77 .25% POST

28% N .28 1 GAL POST

95

64

95

95

56

10 CLASSIC DF .25 .1875 POST
X-77 .25% POST

28% N .28 1 GAL POST

94

71

96

93

61

11

CLASSIC
C.O.C.

28% N

DF . 25

28

.125 POST
1 QT POST
1 GAL POST

86

69

9 5

92

63

12

CLASSIC
C.O.C .
28% N

DF . 25

28

.1875 POST
1 QT POST
1 GAL POST

95

76

93

95

63

13 BASAGRAN FL 4 LB 1 LB POST
C.O.C. 1 QT. POST

66

61

97

70

58

133

UNIVERSITY

0 F

ILLINOIS

CHLORIMURON ADDITIVE STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|SMPW |ILMG |C.I. |VELE |SMPW |ILMG

CATI0N|14 DAT j 14 DAT | 2 1 DAT |21 DAT |21 DAT |?1 DAT

FORMU. LBai/A TYPE| 6/17/87 | 6/17/87 | 6/2 4/87 | 6/24/87 | 6/24/87 | 6/2 4/87

14 BASAGRON FL 4 LB 1 LB POST
28% N .28 1 GAL POST

68

74

97

66

63

15
16

CHECK

CHECK

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

0

0

0

99

99

0

99

99

99

8

9

3

7

8

1?

6

6

2

5

6

8

7

9

78

6

7

15

134

UNIVERSITY OF ILLINOIS

BROWNSTOWN CORN PREEMRGENCE STUDY

LOCATION: BROWNSTOWN RESEARCH STATION

RESEARCH BY : CANTWELL/LIEBL/WAX

COOPERATOR :BILL BRINK

REPORTED BY:REX LIEBL

PREVIOUS CROP: SOYBEANS PLOT / Ft:7.5x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE:SILT LOAM OM% : 1 . 5 pH : 6 . 4

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:CORN VARI ETY : PIONEER 3378

PLANTING DATE: 04/29/87 DEPTH/In : 1 . 5 " SPACING/In : / - 9/FT . - ROW NUM . PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY: LOW MID:ADQ LATE : MOD

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Timely rainfall after application resulted in good to excellent weed
control across most herbicide treatments. BAS-514 was the only treatment
that caused significant injury.

135

BROWNSTOWN CORN PREEMRGENCE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE 1 1 1 1

APPLICATION DATE | 04/30/87 | / / 1 / / 1 / / 1 / /
JULIAN DATE/YEAR | J120/87 | J 0/00 j J 0/00 | J 0/00 | J 0/00
START HR / END HR j 08 : 00/10 : 00 j : / : j : / : | : / : | : / :
APPLIC. METHOD j PRE III
AIR/SOIL TEMP ( F) | 70 / 60 jo / 0 jo / 0 |0 / 0 |0 / 0
% REL. HUMIDITY j 50 |0 jo |0 |0
WIND DIR. / VELOCJNE /07 | / 0 j/O j/O j/0
SKY / SOIL COND. j CLEAR/ DRY j / j / | / j /
SOIL/LEAF MOIST. | / j / j / j / | /
INCORP. EQUIPMENT! 1 j j 1
INCORP. DEPTH(in)|0 jo jo |0 |0
SPRAYER TYPE j HAND HELD ill
SPRAYER GPA / PSI | 25 / 30 |0 / 0 jo / 0 JO / 0 |0 / 0
MIX SIZE (Gallon) j 0.462 jo jo |0 |0
NOZZLE TYPE /NUM. j 8003/5 ill

RATMFATT /TRRTfi inl - -

0-24 HR/1-3 DAYS | / .93 | / | / | / | /
4-7 DAYS/2ND WEEK|0 / .62 j / j / | / | /
3RD WEEK/4TH WEEK| / / j / 1 / 1 /

| SPECIES
I CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN. /STG .

APPLIC. 3

DEN./STG .

APPLIC. 4
DEN . /STG .

APPLIC. 5
DEN . /STG .

* * * * * * *

I

2|
3|
4|
5|

6|
7|
8|
9|

* •* -k -k -k -k -k

■k-k-k-k-k-k CROP ******

****** PEST ******

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*

136

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN CORN PREEMRGENCE STUDY

EXPT. LOCATION: BROWNSTOWN, IL
RESEARCH BY : CANTWELL/LI EBL/WAX

|VELE |FAPA

ANMG

PESTICIDE APPLI-|C.I. | CORW

TRT. CATION| |

NO. NAME FORMU. LBai/A TYPE | 0/00/00 j 6/09/87 | 6/09/87 | 6/09/87 | 6/09/87 |

01 DUAL EC 8.0 1.75 PRE
ATRAZINE DF 90% 1.00 PRE

02 LASSO EC 4.0 2.25 PRE
ATRAZINE DF 90% 1.00 PRE

03 CG180937 EC 7.8 1.75 PRE
ATRAZINE DF 90% 1.00 PRE

04 SAN-582 EC 6.0 1.50 PRE
ATRAZINE DF 90% 1.00 PRE

05 HARNESS EC 7.5 1.75 PRE
ATRAZINE DF 90% 1.00 PRE

0

06 BICEP

07 BICEP

FL 6 . 0 3.35 PRE

FL 5.9 3.35 PRE

08 ATRAZINE DF 90% 1.00 PRE

09 ATRAZINE DF 90% 2.00 PRE

10 BAS-514 WP 50

11 BAS-514 WP 50

0.50 PRE

1.00 PRE

12 BAS-514 WP 50 0.50 PRE
ATRAZINE DF 90% 1.00 PRE

13 BAS-514 WP 50 1.00 PRE
ATRAZINE DF 90% 1.00 PRE

14 DUAL EC 8.0 1.50 PRE
PPG-4000 FL 4. 8 1 . 20 PRE

15 DUAL EC 8.0 1.50 PRE
PPG-1259 FL 3.0 0.20 PRE

0

0
0
0
0
8
53
25

32

99

99

95

95

99

99
99
99
99
99
99
99

99

99

97

84
9 2
72
90
89

90

91
90
96
62
9 2
99

98

99

85

99

93

91

93

96

97
95
88
91
95
98
99

99

96

97

69

93

70

82

92

87
88
9 2
92
9 1
93
95

9 3

77

4 0

UNIVERSITY

137

0 F

ILLINOIS

BROWNSTOWN CORN PREEMRGENCE STUDY

PESTICIDE

TRT. ---
NO. NAME

APPLI-|C.I. | CORW |VELE | FAPA | ANMC |

CATIONI I I I I I

FORMU. LBai/A TYPE | 0/00/00 | 6/09/8 7 | 6/09/8 7 | 6/09/8 7 | 6/09/8 7 |

16 DUAL EC 8.0 1.50 PRE
BLADEX DF 90% 1.20 PRE
PPG-1259 FL 3.0 0.20 PRE

17 PPG-4000 FL 4.8 1.20 PRE

18 PPG-1259 FL 3.0 0.20 PRE

19 ATRAZINE DF 90%
BLADEX DF 90%

20 ATRAZINE DF 90%
BLADEX DF 90%

21 ATRAZINE DF 90%
BLADEX DF 90%

22 SC-0735 WP 75
SC-29148 WP 75

23 SC-0735 WP 75
SC-29148 WP 75

24 SC-0774 WP 75
SC-29148 WP 75

99

25 SC-0774 WP 75
SC-29148 WP 75

1

00

PRE

1

00

PRE

0

67

PRE

1

33

PRE

0

50

PRE

1

50

PRE

0

50

PRE

0

083

PRE

0

75

PRE

0

125

PRE

0

75

PRE

0

. 125

PRE

1

.00

PRE

0

. 166

PRE

0

0
0

0

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

9

5

112

99
94
99

99

99

99

99

75

79

9
6
6

95

98

74
94

96

91

98

99

88

98

16
10
11

94

90
63
92

89

89

83
92
77
90

NA
NA
NA

69

84
37
73

93

88

43

86

27

63

NA
NA
NA

138

UNIVERSITY OF ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

LOCATION : BROWNSTOWN

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :BILL BRINK

REPORTED BY:REX LIEBL

PREVIOUS CROP: SORGHUM PLOT / Ft : 10x40 ROW WIDTH/In:30

PREVIOUS TILL: ZERO

SOIL TEXTURE:SILT LOAM OM% : 1 . 5 pH : 6 . 8

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARI ETY : WILLIAMS 82

PLANTING DATE:05/06/87 DEPTH/In:1.5 SPACING/In : 7 - 9/FT . ROW NUM. PLANTS:

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:ADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Overall, better weed control was obtained with post mergence
treatments when compared to treatments relying on soil activity. Due to
extensive weed emergence at planting, the best weed control was provided
by treatments postemergence activity but applied pree mergence
(eg. burndown herbicides, plus Pursuit or Chlor imuron) . Verdict
provided good grass control, Poast plus 2,4-D combinations did not.
2,4-D applied at planting caused little crop injury. The smartweed
population was extremely variable and caused some inconsistencies in
control rating.

139

NO-TILL SOYBEAN WEED CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE |POST j | |

APPLICATION DATE | 05/08/87 | 06/09/87 | / / 1 / / 1 / /
JULIAN DATE/YEAR | J128/87 | J160/87 | J 0/00 j J 0/00 | J 0/00
START HR / END HR | 08 : 00/10 : 00 j 09 : 00/10 : 00 | : / : | : / : | : / :
APPLIC. METHOD | PRE | POST j | |
AIR/SOIL TEMP (F)|75 / 60 |85 / 80 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY | 7 0 j 90 |0 |0 |0
WIND DIR. / VELOCJSE /07 |N / 5 I/O |/0 |/0
SKY / SOIL COND. | CLEAR/ DRY | CLEAR/ DRY | / | / I /
SOIL/LEAF MOIST. | / | LOW / LOW | / j / | /
INCORP. EQUIPMENT! ill
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE | HAND HELD | HAND HELD | | |
SPRAYER GPA / PSI|20 / 40 | 2 0 / 40 | 0 / 0 | 0 / 0 | 0 / 0
MIX SIZE (Gallon) | 0 . 52 |0.52 |0 |0 |0
NOZZLE TYPE /NUM . j 8002/5 | 8002/5 | | |

RATNFATT /TRRTf: inl

0-24 HR/1-3 DAYS |0 / .62 | / | / | / | /
4-7 DAYS/2ND WEEK|.02 / 0 | / | / | / j /
3RD WEEK/4TH WEEK|.21 / .02 | / / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG .

APPLIC. 5
DEN./STG.

•k -k -k -k -k -k -k
•k ~k -k -k -k -k ~k

FA PA
PESW
CORW
TAWH

****** CROP ******

SOYBEANS
****** PEST ******
SORGHUM
FALL PANICUM
PENN. SMARTWEED
COMMON RAGWEED
TALL WATERHEMP

*********

/

*********

M
M
M
M
M

/
/
/
/

/
/
/
/
/

4-6"

4"

4-6"

4-6"

4-6

*********

/ 4T
*********

M /BOOT
M /8"
M /24"
M /2 4"
M /2 0"

/

/

/

/

*********

/
*********

/

/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

J

140

UNIVERSITY

0 F

ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

EXPT. LOCATION : BROWNSTOWN RESEARCH STATION
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-|C.I. | FAPA | SORGHUM | TAWH | CORW | PESW

TRT. CATIONJ |% CONT.|% CONT . | % CONT . | % CONT . | % CONT .

NO. NAME FORMU. LBai/A TYPEj 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87

01

DUAL

EC

8.

0

2 .

0

PRE

IGNITE

EC

1.

67

0.

8

PRE

BASAGRAN

SC

4.

0

0 .

5

POST

BLAZER

SC

2 .

0

0.

25

POST

COC

CO

1.

0

0 .

25

POST

02

DUAL

EC

8.

0

2 .

0

PRE

IGNITE

EC

1 .

67

1.

2

PRE

BASAGRAN

SC

4 .

0

0 .

5

POST

BLAZER

SC

2 .

0

0.

25

POST

COC

CO

1.

0

0.

25

POST

03

DUAL

EC

8

.0

2 .

0

PRE

ROUND-UP

EC

4

.0

1 .

0

PRE

BASAGRAN

SC

4,

.0

0 .

5

POST

BLAZER

EC

2

.0

0.

25

POST

COC

CO

1

,0

0 .

, 125

POST

04

DUAL

EC

8

.0

2

0

PRE

ROUND-UP

EC

4

.0

1

. 25

PRE

BASAGRAN

SC

4

.0

0 ,

. 5

POST

BLAZER

EC

2

.0

0

. 25

POST

COC

CO

1

.0

0

. 125

POST

05

DUAL

EC

8

.0

2

.0

PRE

PARAQUAT

EC

1

. 5

0

. 25

PRE

X-77

%S

1

.0

0

. 25%

PRE

BASAGRAN

SC

4

. 0

0

. 5

POST

BLAZER

EC

2

.0

0

.25

POST

COC

CO

1

.0

0

.125

POST

06

DUAL

EC

8

.0

2

.0

PRE

PARAQUAT

EC

1

. 5

0

. 5

PRE

X-77

%S

1

.0

0

.25%

PRE

BASAGRAN

SC

4

.0

0

. 5

POST

BLAZER

EC

2

. 0

0

.25

POST

COC

CO

1

.0

0

. 125

POST

10

71

51

98

69

98

0

83

4 5

99

9 4

99

0

82

82

98

93

88

62

87

98

87

98

0

67

65

98

70

91

53

77

98

94

91

141

UNIVERSITY

0 F

ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

PESTICIDE

TRT.

NO. NAME

APPLI-IC.I. |FAPA | SORGHUM|TAWH | CORW | PESW

CATIONJ |% CONT.|% CONT . | % CONT . | % CONT . j % CONT .

FORMU. LBai/A TYPE | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87

07

08

09

10

11

12

13

14

15

LASSO

EC

4.

0

2 .

5

PRE

ROUND-UP

EC

4 .

0

1.

0

PRE

BASAGRAN

SC

4 .

0

0.

5

POST

BLAZER

EC

2 .

0

0 .

25

POST

COC

CO

1 .

0

0.

125

POST

CHECK

*ROUNDUP

EC

4 .

0

1 .

0

PRE

CINCH

EC

7 .

0

1.

5

PRE

ROUND-UP

EC

4.

0

1.

0

PRE

BASAGRAN

SC

4.

0

0 .

5

POST

BLAZER

EC

2 .

0

0.

25

POST

COC

CO

1.

0

0

125

POST

VERDICT

EC

2 .

0

0

25

PRE

METRIBUZ

DF

75

0

38

PRE

COC

CO

1.

0

0

25

PRE

VERDICT

EC

2 .

0

0

5

PRE

METRIBUZ

DF

75

0

38

PRE

COC

CO

1

0

0

25

PRE

IGNITE

EC

1

67

1

2

PRE

PURSUIT

EC

2

0

0

094

POST

VERDICT

EC

2

0

0

25

PRE

METRIBZ

DF

75

0

38

PRE

24DLVE

EC

3

8

0

25

PRE

COC

CO

1

0

0

25

PRE

POAST

FL

1

5

0

1

PRE

2-4D-LVE

FL

3

8

0

5

PRE

COC

CO

1

0

0

25

PRE

BASAGRAN

SC

4

0

0

. 5

POST

BLAZER

FL

2

0

0

25

POST

COC

CO

1

0

0

. 125

POST

POAST

FL

1

. 5

0

. 1

PRE

2 - 4 D - LV E

FL

3

. 8

0

. 5

PRE

METRIBUZ

DF

75

0

. 125

PRE

COC

CO

1

.0

0

. 25

PRE

BASAGRAN

SC

4

.0

0

. 5

POST

BLAZER

FL

2

.0

0

. 25

POST

COC

CO

1

.0

0

. 125

POST

59

90

98

89

98

13

88

91

99

90

89

0

0

15

92

92

88

33

97

97

98

94

95

92

96

63

10

12

95

75

66

79

92

98

63

45

9 6

88

72

18

45

35

98

95

89

142

UNIVERSITY

0 F

ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

PESTICIDE

TRT

NO.

NAME

FORMU

APPLI-IC.I. | FAPA | SORGHUM| TAWH | CORW |PESW

CATIONJ |% CONT.|% CONT.|% CONT . | % CONT . | % CONT .

LBai/A TYPE | 6/2 3/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/Z 3/87

16 POAST FL 1 . 5 0.1 PRE

2-4D-LVE FL 3 . 8 0.5 PRE

METRIBUZ DF 75 .0625 PRE

COC CO 1.0 0.25 PRE

BASAGRAN SC 4.0 0.5 POST

BLAZER FL 2 . 0 0.25 POST

COC CO 1.0 0.125 POST

58

63

98

93

95

17 POAST FL 1 . 5 0.1 PRE

2-4D-LVE FL 3.8 0.5 PRE

090 CO 1.0 0.25 PRE

BASAGRAN SC 4.0 0.5 POST

BLAZER FL 2.0 0.25 POST

DAX CO 1.0 0.125 POST

13

58

78

98

66

59

18 POAST FL 1 . 5 0.1 PRE

2-4D-LVE FL 3.8 0.5 PRE

090 CO 1.0 0.25 PRE

BASAGRAN SC 4.0 0.5 POST

BLAZER FL 2 . 0 0.25 POST

DAX CO 1.0 0.25 POST

18

63

93

98

93

96

19 PARAQUAT
DUAL MT
X-77
COBRA

SC 2 .0

EC 8 .0

%S 1 .0

EC 2 . 0

0.5 PRE

2.0 PRE

0.25% PRE

0.2 POST

40

50

98

79

23

20 PARAQUAT
DUAL
X-77
COBRA

SC 2 . 0

EC 8 . 0

%S 1. 0

EC 2 . 0

0.5 PRE

2 . 0 PRE

0.25% PRE

0.15 POST

58

58

98

73

27

21 PARAQUAT SC 2.0

DUAL
X-77
COBRA
28%N

EC 8 . 0
% S 1.0
EC 2 .0
CO 1 .0

0.5 PRE

2.0 PRE

0.2 5% PRE

0 . 2 POST

1.0 POST

83

80

95

63

46

22 BRONCO
*LASSO
*ROUNDUP
PURSUIT

FL 4 .0

EC 1 . 5

4.0 PRE

2 . 6

1.4

0.094 PRE

15

81

99

99

40

69

143

UNIVERSITY

0 F

ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

TRT.

NO. NAME

PESTICIDE APPLI-ICI. | FAPA | SORGHUM | TAWH | CORW | PESW

- CATIONJ |% CONT.|% CONT.|% CONT . | % CONT.|% CONT .

FORMU. LBai/A TYPE| 6/23/87 | 6/2 3/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/2 3/8 7

23 BRONCO
*LASSO
*ROUNDUP
SCEPTER

FL 4 . 0

EC 1 . 5

4.0 PRE

2 .6

1.4

0.125 PRE

43

93

98

12

69

24 BRONCO
*LASSO
*ROUNDUP
METRIBZ

FL 4 . 0

DF 75

4.0
2 . 6
1 .4
0. 38

PRE

PRE

54

60

99

13

99

25 BRONCO
*LASSO
*ROUNDUP
PREVEIW
*METRIBZ
^CLASSIC

FL 4.0

DF 75

4
2
1
0

0

6
4
4

PRE

PRE

93

94

99

93

9 9

26 ROUND-UP FL 4.0 1.4 PRE
DUAL EC 8.0 2.0 PRE
METRIBUZ DF 75 0.38 PRE

17

40

98

23

76

27 BRONCO
*LASSO
*ROUNDUP
AMIBEN

FL 4.0

DF 75

4.0
2 .6
1.4
2 . 7

PRE

PRE

61

25

98

17

88

28 DUAL EC 8.0 2.0 PRE
IGNITE SC 1.67 1.2 PRE
METRIBUZ DF 75 0 . 38 PRE

7 6

69

8 3

92

9 8

29 DUAL EC 8.0

IGNITE SC 1.67

METRIBUZ DF 75

24DAMINE EC 1.0

2
1
0
0

0
2

38
5

PRE
PRE
PRE
PRE

68

60

93

88

98

30 IGNITE SC 1.67 1.0 PRE
DUAL EC 8.0 2.0 PRE
PURSUIT EC 2.0 0.094 PRE

0

94

99

98

97

99

31 IGNITE SC 1.67 1.0 PRE
DUAL EC 8.0 2.0 PRE
SCEPTER EC 1.5 0.125 PRE

0

56

85

98

88

9 6

144

UNIVERSITY OF ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. | FAPA | SORGHUM | TAWH | CORW | PESW

CATION | |% CONT.|% CONT . | % CONT . | % CONT . | % CONT.

FORMU. LBai/A TYPE| 6/23/87 | 6/23/87 | 6/23/87 | 6/23/87 | 6/2 3/8 / | 6/73/87

32 IGNITE SC 1.67 1.0 PRE
DUAL EC 8.0 2.0 PRE
PREVEIW DG 75 0.4 PRE
*METRIBZ
^CLASSIC

78

94

98

99

99

33

34

35

36

37

38

39

CHECK
*ROUNDUP EC

PARAQUAT

24DAMINE

METRIBUZ

DUAL

X-77

PARAQUAT

24DAMINE

METRIBUZ

DUAL

X-77

PARAQUAT

24DAMINE

METRIBUZ

DUAL

X-77

PARAQUAT

24DAMINE

METRIBUZ

DUAL

X-77

ROUND-UP

SURFLAN

PURSUIT

ROUND-UP

PROWL

PURSUIT

4.0 1.0

EC 1. 5
EC 3 . 8
DF 75
EC 8.0
%S 1.0

EC 1 . 5
EC 3.8
DF 75
EC 8 . 0
%S 1.0

EC 1. 5
EC 3 . 8
DF 75
EC 8 .0
%S 1.0

EC 1 . 5
EC 3 . 8
DF 75
EC 8 . 0
%S 1.0

FL 4. 0
DF 85
EC 2 . 0

FL 4.0
FL 4.0
EC 2 .0

0
0
0
2
0

0
0
0
2

0
0
0
2
0

25

25

5

0

25% PRE

5

25
38
0

0. 5
0 . 5
0. 38
2 .0

PRE

PRE
PRE
PRE
PRE

25 PRE

5 PRE

5 PRE

0 PRE

0.25% PRE

PRE
PRE
PRE
PRE

25% PRE

PRE
PRE
PRE
PRE

0.25% PRE

1.0 PRE

1 . 0 PRE

0.094 PRE

1.0 PRE

1.0 PRE

0.094 PRE

70

4 8

94

82

95

50

88

89

89

98

0

83

7 8

96

93

9 8

0

79

58

82

85

98

12

92

92

97

99

98

98

83

86

93

99

145

UNIVERSITY OF ILLINOIS

NO-TILL SOYBEAN WEED CONTROL STUDY

PESTICIDE APPLI-|C.I. | FAPA | SORGHUM | TAWH | CORW | PESW

TRT. CATION|% CONT . | % CONT . | % CONT . | % CONT . | % CONT . | % CONT.

NO. NAME FORMU. LBai/A TYPE | 6/2 3/87 | 6/23/87 | 6/2 3/87 | 6/2 3/8 7 | 6/2 3/8 7 | 6/23/8 7

LSD(0.05) -

STANDARD DEVIATION -

COEFF. OF VARIABILITY -

13

37

NA

11

28

34

8

22

NA

7

17

21

182

34

NA

7

24

25

146

UNIVERSITY OF ILLINOIS
BROWNSTOWN PRE- PLANT INCORPORATED VS PREEMERGENCE SOYBEANS

LOCATION: BROWNSTOWN RESEARCH STATION

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :BILL BRINK

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:7.5x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILT LOAM OM% : 1 . 5 pH:6.4

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP:SOYBEANS VARIETY : WILLIAMS 82

PLANTING DATE: 05/08/87 DEPTH/In : 1 . 5 " SPACING/In : 7 - 9/FT . ROW NUM . PLANTS

SEASONAL RAINFALL DURING EXPERIMENT. EARLY : LOW MID:ADQ LATE:ADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

The field in which this study was conducted had a diverse
population of "problem" annual weeds, with a dense population of
annual morningglory (tall and ivy leaf 50/50) and common cocklebur.
A field cultivator with sweeps was operated 2X parrallel to the plots
to incorporate the preplant treatments. A 0.62" rainfall occurred
within two days after preemergence applications, however only 0.25"
rainfall followed in the next three weeks. As a result preplant
treatments controlled the large seeded annual morningglory and common
cocklebur better than preemergence treatments. Although a dense stand
of giant foxtail was present in the check rows, control was excellant
regardless of application method. A good stand of common ragweed,
common lambsquar ter s , and tall waterhemp allowed accurate rating.

147

BROWNSTOWN PRE-PLANT INCORPORATED VS PREEMERGENCE SOYBEANS

** SET 1 OF 1 **

APPLIC. 1

APPLIC. 2

APPLIC. 3|

APPLIC. 4|

APPLIC. 5

GEN. APPLIC. TYPE

PPI VS. PRE

APPLICATION DATE

05/08/87

/ /

/ /

/ /

/ /

JULIAN DATE/YEAR

J128/87

J

0/00

J

0/00

J

0/00

v

t 0/00

START HR / END HR

08 :00/10:00

: / :

: / :

: / :

: / :

APPLIC. METHOD

PPI/PRE

AIR/SOIL TEMP (F)

75 / 60

0

/ o

0

/ o

0

/ o

0

/ o

% REL. HUMIDITY

70

0

0

0

0

WIND DIR. / VELOC

SE / 07

/ o

/ o

/ o

/ o

SKY / SOIL COND.

CLEAR/ DRY

/

/

/

/

SOIL/LEAF MOIST.

/

/

/

/

/

INCORP. EQUIPMENT

FIELD CULT.

INCORP. DEPTH(in)

04

0

0

0

0

SPRAYER TYPE

HAND HELD

SPRAYER GPA / PSI

25 / 30

0

/ o

0

/ o

0

/ o

0

/ o

MIX SIZE (Gallon)

0.46

0

0

0

0

NOZZLE TYPE /NUM.

8003/5

RAINFALL/IRRIG. in

0-24 HR/1-3 DAYS

00 / .62

/

/

/

/

4-7 DAYS/2ND WEEK

.02 /

/

/

/

/

3RD WEEK/4TH WEEK

.21 / .02

/

/

/

/

SPECIES |
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN. /STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN ./STG .

APPLIC. 5
DEN./STG.

******* | ****** CROP ******

| SOYBEANS
******* | ****** PEST ******

GIFT | GIANT FOXTAIL

CORW | COMMON RAGWEED

COLQ j COMMON LAMBSQUARTE

TAWH | TALL WATERHEMP

COCB | COMMON COCKLEBUR

ANMG | ANNUAL MORNINGGLOR

I
I

*********

/
*********

/

/

RS /

/

/

Y /

/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

* ********

/
****** * * *

/
/
/
/
/
/
/
/
/

148

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN PRE-PLANT INCORPORATED VS PREEMERGENCE SOYBEANS

EXPT. LOCATION:BROWNSTOWN, IL
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE

|COCB |ANMC

TRT.

NO. NAME

APPLI-|GIFT |CORW | COLQ | TAWH

- CATIONI I I I I I

FORMU. LBai/A TYPE| 6/0 9/87 | 6/09/8 7 | 6/0 9/87 | 6/09/8 7 | 6/09/8 7 | 6/0 9/8 7

01 METRIBUZ DF 75 0.38 PPI
DUAL EC 8.0 1.75 PPI

98

99

99

99

17

60

02 SALUTE FL 4.0 1.125 PPI
*TREFLAN 0.75

*METRIBZ 0.38

97

95

99

99

88

90

03 METRIBUZ DF 75 0.38 PPI
TREFLAN EC 4.0 0.56 PPI

95

99

99

99

88

90

04 SALUTE FL 4.0 0.85 PPI

*TREFLAN 0.56

*METRIBZ 0.28

COMMAND EC 4.0 0.18 PPI

98

99

99

99

60

60

05 COMMAND EC 4.0 0.755 PPI

99

99

98

55

77

55

06 COMMENCE EC 5.25 1.11 PPI
*TREFLAN 0.65

*COMMAND 0.47

98

74

97

91

62

73

07 COMMENCE EC 5.25 1.11 PPI
*TREFLAN 0.65

^COMMAND 0.47

METRIBUZ DF 75 0.30 PPI

98

98

99

93

77

68

08 TREFLAN EC 4 . 0 0.75 PPI

09 PREVEIW DF 75 0.33 PPI
^CLASSIC 0.03
*METRIBZ 0.30
TREFLAN EC 4.0 0.75 PPI

99
97

75
99

91
99

98
99

45
93

80
93

10 PURSUIT EC 2.0 0.045 PPI
LASSO MT FL 4. 0 1.50 PPI

96

99

99

99

91

79

11 PURSUIT EC 2.0 .0705 PPI

90

99

99

99

96

89

149

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN PRE-PLANT INCORPORATED VS PREEMERGENCE SOYBEANS

PESTICIDE

TRT. ---
NO. NAME

APPLI-|GIFT |CORW | COLQ | TAWH | COCB | ANMC

--- CATIONI I I I I I

FORMU. LBai/A TYPE| 6/09/87 | 6/09/87 | 6/09/87 | 6/09/87 | 6/09/87 | 6/09/87

12 SALUTE FL 4.0 0.85 PPI
*TREFLAN 0.56

*METRIBZ 0.33

SCEPTER EC 1.5 0.125 PPI

95

99

99

99

06

92

13 PARTNER DG 74% 2.125 PPI
*LASSO 2.0

*SCEPTER 0.125

96

98

98

99

89

89

14 TURBO EC 8.0 2.06 PPI
*DUAL 1.68

*METRIBZ 0.38

97

99

99

99

72

15 TURBO EC 8.0 2.06 PPI

*DUAL 1.68

*METRIBZ 0.38

COMMAND EC 4.0 0.188 PPI

97

94

98

99

72

16 DUAL

EC 8 .0 1.5

PRE

17

PREVEIW

*METRIBZ

^CLASSIC

DF

75

0
0
0

33
30
03

PRE

LASSO

EC

4.0

2

0

PRE

18

SQUADRON

*PROWL

*SCEPTER

FL

2 . 2

0
0
0

875

75

125

PPI

19

METRIBUZ

DF

75

0

38

PRE

LASSO

EC

4.0

2

0

PRE

20

SCEPTER

EC

1. 5

0

094

PRE

LASSO

EC

4.0

2

0

PRE

21

TURBO

*METRIBZ

*DUAL

EC

8 .0

2
0
1

06
38
38

PRE

22

PARTNER

*LASSO

*SCEPTER

DG

74%

2
2
0

. 125
.0
. 125

PRE

98
98

97

97

94

99

96

20
NA

99

95

95

89

99

40
99

99

98

96

99

93

94
99

99

99

99

99

99

28
75

99

52

94

57

92

25
68

90

4 4

73

4 7

67

150

UNIVERSITY OF ILLINOIS

BROWNSTOWN PRE-PLANT INCORPORATED VS PREEMERGENCE SOYBEANS

PESTICIDE APPLI-|GIFT | CORW | COLQ | TAWH | COCB |ANMG

TRT. CATION | I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/09/8 7 | 6/09/87 | 6/09/8 7 | 6/09/8 7 | 6/09/8 7 | 6/09/8 7

23 SCEPTER EC 1.5 0.125 PPI 99 99 99 99 92 86
DUAL EC 8.0 2.25 PPI

24 PURSUIT EC 2.0 0.063 PPI 99 99 99 99 91 88
LASSO EC 4.0 2.75 PPI

25 CHECK 0 0 0 0 0 0

26 SONOLAN EC 3.0 0.75 PRE 90 25 25 75 20 28

27 SONOLAN EC 3.0 0.75 PRE 99 68 90 71 50 37
COMMAND EC 4.0 0.38 PRE

LSD(0.05) NA NA 9 NA 22 21

STANDARD DEVIATION NA NA 5 NA 13 13

COEFF. OF VARIABILITY NA NA 6 NA 19 20

'

151

UNIVERSITY OF ILLINOIS

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY

LOCATION : BROWNSTOWN RESEARCH STATION

RESEARCH BY : CANTWELL/L1 EBL/WAX

COOPERATOR :BILL BRINK

REPORTED BY:LOYD WAX

PREVIOUS CROP:CORN PLOT / Ft:7.5x35 ROW WIDTH/ln:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE:SILT LOAM OM% : 1 . 5 pH : 6 . 8

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARI ETY : WI LLI AMS 82

PLANTING DATE: 05/08/87 DEPTH/In:1.5 SPACING/In : 7 - 9/FT . ROW NUM. PLANTS:

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:ADQ LATE:

PRIMARY RATE UNIT:LBai/A

4

EXPERIMENT COMMENTS

Lnsso was applied at 1.5#/A to suppress g.iant foxtail. A variety
of annual broadleaf weeds emerged and were in good growing condition
at the time of application, however were quite large. Moisture and
temperature at the time of treatment and after provided good
conditions for postemergence activity. Due to the size of weeds
many treatments afforded only fair to good control, and rarely
excellent. In general soybean injury was not severe. The; greatest
injury was caused by Cobra plus COC and by the high rate of Pursuit

Control of common lambsquar t e r s and ivyleaf morningglory was only
fair, Pursuit controlled these species best. Velvet leaf and
jimsonweed were best controlled by Basagran or combinations including
Basagran. Reasonable control of common ragweed was provided by;
Classic, Pursuit, and Basagran. Scepter, Classic, and Pursuit were
clearly the most effective in controlling pigweed. The above throe
herbi rides with Basagran included were very effective in controlling
common cocklebur.

152

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST III

APPLICATION DATE | 06/09/87 | / / | / / I// 1//

JULIAN DATE/YEAR | J160/87 j J 0/00 j J 0/00 j J 0/00 j J 0/00

START HR / END HR j 09 : 00/10 : 00 j :/:|:/:|:/:|:/:

APPLIC. METHOD |POST II

AIR/SOIL TEMP (F)|85 / 80 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY | 90 |0 |0 |0 |0

WIND DIR. / VELOC|SW / 5 | / 0 | / 0 | / 0 j / 0

SKY / SOIL COND. |HAZE /DRY | / | / | / | /

SOIL/LEAF MOIST. | ADQ / ADQ | / | / j / | /

INCORP. EQUIPMENT! ill

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE | HAND HELD I I I j

SPRAYER GPA / PSI|20 / 40 | 0 / 0 | 0 / 0 | 0 / 0 |0 / 0

MIX SIZE (Gallon)|0.4 |0 |0 |0 |0

NOZZLE TYPE /NUM.|8002/5 1 1 1 1

RATNFATT /TRRTG inl -

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / | /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG.

APPLIC. 5
DEN. /STG .

■k -k -k -k -k -k -k

COLG
COCB
VELE
SMPW
ILMG
JIWE
CORW

•k-k-k-k-k-k CROP ******

SOYBEANS

****** PEST ******
COM. LAMBSQUARTERS
COM. COCKLEBUR
VELVETLEAF
SMOOTH PIGWEED
IVYLEAF M-GLORY
JIMSONWEED
COMMON RAGWEED

***■*■****■*

/5T
*********

M

M
M
M
L
M
M

12"

12"
12"
12"
/VINE
/ 12"
/ 12"
/

/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/

*********

/
*********

/

/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/

* * * * * * * * *

/
******* * *

/
/
/
/
/
/
/
/

153

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN POSTEMERG ENCE SOYBEAN STUDY

EXPT. LOCATION: BROWNSTOWN , IL
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE

TRT.

NO. NAME

APPLI-|C.I. jCOLQ |SMPW | COCB | I LMC |VELE

CATIONI I I I I I

FORMU. LBai/A TYPE | 0/0 0/00 | 6/23/8 7|6/2 3/87|6/?3/8/|6/2 3/8/|6/2 3/8/

01 COBRA

EC 2.0 0.20 POST

43

57

53

40

37

02 COBRA
COC

EC 2.0 0.20 POST
CO 1.0 0.125 POST

17

kl

7 3

6 7

4 /

5 7

03 COBRA

EC 2.0 0.20 POST

10

■? I

6 7

5 3

4 3

4 I

28%N

%S 1.0 1.0 0 POST

04

REFLEX

EC

2 .

0

0 .

25

POST

28%N

%S

1 .

0

1 .

00

POST

05

SCEPTER

EC

1 .

5

0.

09

POST

X-7 7

CO

1 .

0

0.

25

POST

06

SCEPTER

EC

1

5

0

06

POST

X-77

CO

1

0

0

25

POST

07

CLASSIC

DF

25

0

008

POST

X-77

CO

1

0

0

25

POST

08

PURSUIT

EC

2

0

0

094

POST

X-77

CO

1

0

0

25

POST

09

PURSUIT

EC

2

0

0

063

POST

X-77

CO

1

0

0

25

POST

10

BASACRAN

EC

4

0

0

75

POST

28%N

%S

1

0

1

00

POST

11

BASAGRAN

EC

4

.0

0

50

POST

TACKLE

EC

2

.0

0

. 25

POST

2 8%N

%S

1

.0

1

. 00

POST

12

BUCTRIL

EC

2

. 0

0

. 05

POST

TACKLE

EC

2

. 0

0

. 2 5

POST

13

TACKLE

EC

2

. 0

0

. 38

POST

COC

CO

1

.0

0

.12 5

POST

0

12

22

0

10

13

43

6 3

60

57

//

7 2

33

5 7

30

53

5 5

88

77

88

9 3

90

47

67

3 3

73

4 0

88

8 /

92

9 3

88

92

8/

4 0

3 0

3 7

6 2

6 0

6 0

6 8

6 8

27

3 3

20

6 0

3/

4 /

3 0

6 3

5 3

72

75

2 7

4/

154

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY

PESTICIDE

TRT.

NO. NAME

APPLI-|C.I. |COLQ | SMPW | COCB | ILMG |VKLE

CATIONI I I I I I

FORMU. LBai/A TYPE| 0/00/00 | 6/23/87 j 6/23/87 | 6/23/87 | 6/23/8 7 | 6/23/87

14

TACKLE
BCH-815

EC 2.0
CO 1.0

0. 38
0. 125

POST
POST

23

53

37

4 0

37

15

TACKLE
X-77

EC 2 . 0
CO 1 . 0

0. 38
0. 25

POST
POST

12

63

73

47

43

50

16

TACKLE
28%N

EC 2 . 0
%S 1.0

0. 38
1 .00

POST
POST

43

60

40

40

40

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

9

5

61

26
15
31

26
15
22

22
13
20

23
14
28

20
12
24

155

UNIVERSITY OF ILLINOIS

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY

PESTICIDE APPLI-|CORW |JIWE | |

TRT. CATIONJ | | |

NO. NAME FORMU. LBai/A TYPE j 6/ 2 3/8 7 | 6/2 3/8 / |

01 COBRA EC 2.0 0.20 POST 60 53

02 COBRA EC 2.0 '0.20 POST 70 73
COC CO 1 . 0 0 . 125 POST

03 COBRA EC 2.0 0.20 POST 63 67
28%N %S 1.0 1.00 POST

04 REFLEX EC 2.0 0.25 POST 47 53
28%N %S 1.0 1.00 POST

05 SCEPTER EC 1.5 0.09 POST 62 33
X-77 CO 1.0 0.25 POST

06 SCEPTER EC 1.5 0.06 POST 57 50
X-77 CO 1.0 0.25 POST

07 CLASSIC DF25 0.008 POST 7 7 6 0
X-77 CO 1 . 0 0.25 POST

08 PURSUIT EC 2.0 0.094 POST 77 75
X-77 CO 1 . 0 0.25 POST

09 PURSUIT EC 2.0 0.063 POST 78 60
X-77 CO 1 . 0 0.25 POST

10 BASAGRAN EC 4.0 0.75 POST 83 92
28%N %S 1.0 1.00 POST

11 BASAGRAN EC 4 . 0 0.50 POST 67 85
TACKLE EC 2.0 0.25 POST
28%N %S 1.0 1.00 POST

12 BUCTRIL EC 2.0 0.05 POST 33 3/
TACKLE EC 2.0 0.25 POST

13 TACKLE EC 2.0 0.38 POST 53 63
COC CO 1.0 0.125 POST

14 TACKLE EC 2.0 0.38 POST 40 40
BCH-815 CO 1.0 0.125 POST

156

UNIVERSITY

0 F

ILLINOIS

BROWNSTOWN POSTEMERGENCE SOYBEAN STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|CORW |JIWE |

- CATIONJ J |

FORMU. LBai/A TYPE | 6/2 3/8 7 | 6/2 3/87 |

15

16

TACKLE

EC

2

.0

0.

38

POST

X-77

CO

1

,0

0,

, 25

POST

TACKLE

EC

2

.0

0

, 38

POST

28%N

%S

1

.0

1

.00

POST

57

47

58

43

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

22
13
22

27
16
27

157

UNIVERSITY OF ILLINOIS

1987 ELWOOD SCREENING STUDY

LOCATION : ELWOOD NE200

RESEARCH BY : W . S . CURRAN

COOPERATOR :L.E. PAUL

REPORTED BY: CURRAN

PREVIOUS CROP : ALFALFA/CLOVER PLOT / Ft : 7 . 5 x40 ROW Wl DTH/ I n : '\ H

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE :MEDIUM OM% : 3 . 5 pH : 6 . 5

EXPT. DESIGN:RCBD NUM. OF REPS:3

CROP:CORN AND SOYBEANS VAR I ETY : WELLS II, PIONEER 3 5 4 0

PLANTING DATE: 04/29/87 DEPTH/In:0-2 NUM./ PLANTS/ACR. (324,000

SPACING/In:7 9/FT.ROW

SEASONAL RAINFALL DURING EXPERIMENT EARLY : LOW MIDrADQ LATE:ADQ

PRIMARY RATE UNIT:LBai/A

j

EXPERIMENT COMMENTS

4

SOIL MOISTURE AT PLANTING WAS FAIR, HOWEVER, SIGNIFICANT RAINFALL j

DID NOT OCCUR FOR 20 DAYS AFTER HERBICIDE APPLICATION. ALL SOIL AP-
PLICATIONS WERE APPLIED PREEMERGENCE ON APRIL 29 AND RATED ON JUNK b ,
1987. LOW SOIL MOISTURE AND LACK OF RAINFLL MAY HELP EXPLAIN THE POOR
WEED CONTROL OBTAINED WITH SOME OF THE HERBICIDES.

POSTEMERGENCE HERBICIDES WERE APPLIED ON JUNE 5 WHEN THE MAJORITY
OF BROADLEAVES AND GRASSES WERE SMALL SEEDLINGS. HOWEVER, A WIDE VAR-
IETY OF WEED SIZES EXISTED AT APPLICATION TIME WITH SOME BROADLEAVES
QUITE LARGE (> 10"). POSTEMERGENCE WEED CONTROL RATINGS WERE MADE ON
JUNE 24, 1987. ADDITIONALLY, WEED POPULATIONS VARIED SO WEED RATINGS
WERE NOT TAKEN WITH ALL SPECIES IN ALL TREATMENTS AND REPLICATIONS.
SOME MEANS REPRESENT LESS THAN THREE REPLICATIONS.

158

1987 ELWOOD SCREENING STUDY

** SET 1 OF 1 **
GEN. APPLIC. TYPE

APPLIC. 1
PREEMERGENC

APPLIC. 2
POSTEMERGEN

APPLIC

APPLIC .

APPLIC

APPLICATION DATE
JULIAN DATE/YEAR
START HR / END HR
APPLIC. METHOD
AIR/SOIL TEMP (F)
% REL. HUMIDITY
WIND DIR. / VELOC
SKY / SOIL COND.
SOIL/LEAF MOIST.
INCORP. EQUIPMENT
INCORP. DEPTH(in)
SPRAYER TYPE
SPRAYER GPA / PSI
MIX SIZE (Gallon)
NOZZLE TYPE /NUM.
RAINFALL/IRRIG . in
0-24 HR/1-3 DAYS
4-7 DAYS/2ND WEEK
3RD WEEK/4TH WEEK

04/29/87
J119/87

02 :00/04:00

PRE

69 / 71

40

N / 15

CLEAR/DRY

/

0

HANDHELD
20 / 35
0 . 50
11002

06/05/87
J156/87
11:00/02 :00
POST

79 / 81
80

N / 5
CLEAR/MOIST

/

HANDHELD
20 / 35
0. 5
8002

/ /
J 0/00

: 7

0 / 0
0

/ o

/
/

0

0
0

/ o

/ /

J 0/00
: /

0 / 0
0

/ o

/

/

0

/ o

0.0 / 0 .0
0.20 / 0.15
0.0 / 3 . 0

0.0 / 0.0
0.0 / 0. 17
0.29 / 1 . 20

/
/
/

/
/

/

/ /
J 0/00

: /

0 / 0
0

/ 0

/
/

/ o

/
/
/

SPECIE |
CODE

SPECIES

APPLIC. 1|APPLIC. 2
DEN./STG. JDEN./STG .

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN ./STG .

APPLIC. 5
DEN . /STG .

******* | ****** CROP ******

I
*******]****** PEST ******

CORN | CORN

SOYBEAN | SOYBEAN

TAMG | TALL MORNINGGLORY

VLVT JVELVETLEAF

COLQ j COMMON LAMSQUARTER

RRPW JREDROOT PIGWEED

COCB | COMMON COCKLEBUR

GIFT JGIANT FOXTAIL

I

********* I *********

/ I /
********* I *********

/
/
/
/
/
/
/
/
/

UNIFORM STANDARD TREATMENT
UNIFORM TRT. RATE AND UNIT

| 2 6 /3L

| 50 /V3

| VAR/3-4L

|VAR/5L

|VAR/3"

|VAR/4L

|VAR/7-10"

| VAR/2-3"

I /
I

*********

/
*********

/
/
/
/
/
/
/
/
/

******** Vf

/
* * * * * * * * *

/
/
/
/

/
/
/
/
/

* * * * * * * * *
/

* * * * * * * * *

/
/
/
/
/
/
/
/
/

159

UNIVERSITY

0 F

ILLINOIS

1987 ELWOOD SCREENING STUDY

EXPT. LOCATION : ELWOOD NE200
RESEARCH BY : W . S . CURRAN

TRT. ---
NO. NAME

02

03

PESTICIDE APPLI-|CORN | SOYBEAN | TAMG |VTLF | COLQ |COCB

CATIONI I I I I I

FORMU. LBai/A TY PEj 0/00/00 | 0/00/0 0 | 0/00/00 | 0/00/00 | 0/0 0/00 | 0/0 0/00

01 SCEPTER SC 1.5 0.031 POST
X-77 %S 1.0 0.25 POST

SCEPTER
X-77

SCEPTER
X-77

SC 1 . 5

%S 1.0

SC 1 . 5

%S 1 . 0

.0625 POST

0.25 POST

0.125 POST

0.25 POST

04 PURSUIT SC 2.0 0.031 POST
X-77 %S 1 . 0 0.25 POST

05 PURSUIT SC 2.0 .0625 POST
X-77 %S 1 . 0 0.25 POST

06

PURSUIT

SC

2

0

0

094

POST

X-77

%s

1

0

0

25

POST

AC26 322 2

SC

2

0

0

009

POST

X-77

%s

1

0

0

25

POST

07

08 AC263222 SC 2.0 0.018 POST
X-77 %S 1 . 0 0.25 POST

09 AC263222 SC 2.0 0.036 POST
X-77 %S 1 . 0 0.25 POST

10 CLASSIC DF25 .0078 POST
X-7 7 %S1.0 0.25 POST
28%N AD 1.0 0.25 POST

11 CLASSIC DF 25 .0078 POST
X-77 %S 1 . 0 0.25 POST

12 HARMONY DF 75 .0039 POST
X-77 %S 1 . 0 0.25 POST

20

43

55

14

17

10

12

18

13

0

0

5

10

1 2

LO

18

22

40

4 8

1 2

1 3

28

3 8

4 0

10

15

38

4 0

6 8

28

5 5

8 2

5 8

57

72

0

1 0

0

0

1 5

9 5

9 5

9 6

93

97

93

8 3

')()

9/,

9 0

9 6

5 5

13 HARMONY DF 75 .0078 POST
X-77 %S 1 . 0 0.25 POST

8

23

6 5

95

62

160

UNIVERSITY

0 F

ILLINOIS

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|CORN | SOYBEAN | TAMG | VTLF | COLQ |COCB

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE j 0/00/00 j 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00

14 HARMONY DF 75 .0039 POST
X-77 %S 1.0 0.25 POST
28%N AD 1.0 0.25 POST

13

68

80

68

15 HARMONY DF 75 .0078 POST
X-77 %S 1.0 0.25 POST
28%N AD 1.0 0.25 POST

35

90

95

63

16 HARMONY DF 75 .0039 POST
CLASSIC DF 25 .0078 POST
X-77 %S 1 . 0 0.25 POST

37

92

95

95

17 HARMONY DF 75 .0039 POST

CLASSIC DF 25 .0078 POST

X-77 %S 1.0 0.25 POST

28%N AD 1.0 0.25 POST

8

3 2

95

90

96

18 BAS514 WP 50 0.25 POST
0090 AD 1.0 0.25 POST

37

27

86

47

55

66

19 BAS514 WP 50 0.5 POST
0090 AD 1.0 0.25 POST

33

25

95

63

83

95

20 MON1113 EC 3.0 0.125 POST
COC CO 1.0 0.25 POST

10

0

52

0

70

21 MON1113 EC 3.0 0.25 POST
COC CO 1.0 0.25 POST

22 PPG-1259 FL 3.0 0.10 POST

23 PPG-1259 FL 3.0 0.25 POST

24 SC-0051 SL 3.0 0.25 POST
TWEEN 20 %S 1.0 0.25 POST

8

2

5

67

5

87

10

5

15

18

0

65

28

10

30

3 3

NA

90

3

67

13

91

93

70

25 SC-0051 SL 3.0 0.50 POST
TWEEN 20 %S 1.0 0.25 POST

73

30

89

93

96

26 COBRA
COC

EC 2.0 0.20 POST
CO 1 . 0 0.25 POST

20

10

35

70

95

161

UNIVERSITY

0 F

ILLINOIS

TRT. ---
NO. NAME

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|CORN | SOYBEAN | TAMG |VTLF | COLQ |COCB

- CATION J | | I I |

FORMU . LBai/A TYPE | 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00 | 0/0 0/00 | 0/00/00

27 COBRA
28%N

28 REFLEX
X-77

29 REFLEX
X-77
28%N

39

40

41
42
43

EC 2.0 0.20 POST

AD 1 . 0 0.25 POST

EC 2.0 0.25 POST

%S 1 . 0 0.25 POST

EC 2 . 0 0.25 POST

%S 1 . 0 0.25 POST

AD 1 . 0 0.25 POST

30 ATRAZINE DF 90 0.92 POST
BANVEL EC 4.0 0.48 POST

31 SCEPTER SC 1.5

0625 PRE

32 SCEPTER SC 1.5 0.125 PRE

33 PURSUIT SC 2.0 .0625 PRE

34 PURSUIT SC 2.0 0.094 PRE

35 AC263222 SC 2.0 0.018 PRE

36 AC263222 SC 2.0 0.036 PRE

37 PREVEIW DF 75

38 PREVEIW DF 75

0.50 PRE

0.62 PRE

SCEPTER AS 1.5 0.125 PRE

LASSO EC 4.0 2.00 PRE

SCEPTER SC 1.5 0 . 125 PRE

DUAL EC 8.0 2.00 PRE

COMMAND EC 4.0 0.75 PRE

COMMAND
LEXONE
COMMAND
SCEPTER

EC 4 . 0

DF 75

EC 4 . 0

SC 1 . 5

0.75 PRE
0.25 PRE
0.75 PRE
0.094 PRE

15

8

13

0

0
15
5
8
0
0
8
7
15

12

7
13

8 5

0
0
0
0
0
0
2
2
2

0

0
2
0

38
3 5
30

99

50
80
9 5
93
83
86
78
88
83

87

50
6 5
87

75

4 5

6 0

9')

99

5 0
70
70

88

5 0

6 2
90
91
5 5

60

99
99
99

1 0

NA

99

80
9 0
9 7
9 5
9 0
9 3
9 9
99
9 9

94

9 9
99
93

7 5

9 9

99

38
88

6 5

/')

7 5
9 0
9',
9')
8')

8 5

8 0
8')
85

162

UNIVERSITY OF ILLINOIS

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|CORN | SOYBEAN | TAMG |VTLF |COLQ | COCB

TRT. CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00 | 0/00/00

44 COMMAND EC 4.0 0.50 PRE 13 2 88 98 96 75
SCEPTER SC 1.5 0.094 PRE

45 COMMAND EC 4.0 0.50 PRE 0 0 90 97 92 90
PURSUIT SC 2.0 .0625 PRE

46 COMMAND EC 4.0 0.75 PRE 5 0 80 99 99 98
PREVEIW DF 75 0.38 PRE

47 CINCH EC 7.0 1.50 PRE 5 3 83 99 99 95
PREVEIW DF 75 0.38 PRE

48 PROWL EC 4.0 1.00 PRE 3 3 75 50 99 70
SCEPTER SC 1.5 0.125 PRE

LSD(0.05) 16 8 15 21 NA 8

STANDARD DEVIATION 9 5 9 13 NA 5

COEFF. OF VARIABILITY - 89 74 21 22 NA 7

163

UNIVERSITY

0 F

ILLINOIS

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|GIFT

TRT. -- CATIONJ

NO. NAME FORMU. LBai/A TYPE | 0/00/00

01 SCEPTER SC 1.5 0.031 POST
X- 77 %S 1 . 0 0.25 POST

02

SCEPTER
X-77

SC 1 . 5
%S 1.0

.0625 POST
0.25 POST

03

SCEPTER
X-77

SC 1 . 5
%S 1.0

0.125 POST
0.25 POST

04 PURSUIT SC 2.0 0.031 POST
X-77 %S 1 . 0 0.25 POST

18

05 PURSUIT SC 2.0 .0625 POST
X-77 %S 1 . 0 0.25 POST

4 0

06 PURSUIT SC 2.0 0.094 POST
X-77 %S 1.0 0.25 POST

43

07 AC263222 SC 2.0 0.009 POST
X-7 7 %S 1.0 0.25 POST

12

08 AC263222 SC 2.0 0.018 POST
X-77 %S 1 . 0 0.25 POST

15

09 AC263222 SC 2.0 0.036 POST
X-77 %S 1 . 0 0.25 POST

25

10 CLASSIC DF 25 .0078 POST
X-77 %S 1 . 0 0.25 POST
28%N AD 1.0 0.25 POST

0

11 CLASSIC DF 25 .0078 POST
X-77 %S 1 . 0 0.25 POST

0

12

HARMONY
X- 77

DF 75
%S 1.0

.0039 POST
0.25 POST

0

13

HARMONY
X-77

DF 75
%S 1.0

.0078 POST
0.25 POST

14 HARMONY DF 75
X-77 %S 1 .0
28%N AD 1.0

.0039 POST
0.25 POST
0.25 POST

0

164

UNIVERSITY OF ILLINOIS

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|GIFT I I I I

TRT. CATIONJ I I I I

NO. NAME FORMU. LBai/A TYPE | 0/00/00 | | |

15 HARMONY DF 75 .0078 POST 0
X-77 %S 1.0 0.25 POST

28%N AD 1.0 0.25 POST

16 HARMONY DF 75 .0039 POST NA
CLASSIC DF 25 .0078 POST

X-77 %S 1.0 0.25 POST

17 HARMONY DF 75 .0039 POST 0
CLASSIC DF 25 .0078 POST

X-77 %S 1.0 0.25 POST

28%N AD 1.0 0.25 POST

18 BAS514 WP 50 0.25 POST 60
0090 AD 1.0 0.25 POST

19 BAS514 WP 50 0.5 POST 48
0090 AD 1.0 0.25 POST

20 MON1113 EC 3.0 0.125 POST 15
COC CO 1.0 0.25 POST

21 MON1113 EC 3.0 0.25 POST 18
COC CO 1.0 0.25 POST

22 PPG-1259 FL 3.0 0.10 POST 0

23 PPG-1259 FL 3.0 0.25 POST 5

24 SC-0051 SL 3.0 0.25 POST 22
TWEEN 20 %S 1.0 0.25 POST

25 SC-0051 SL 3.0 0.50 POST 22
TWEEN 20 %S 1.0 0.25 POST

26 COBRA EC 2.0 0.20 POST 5
COC CO 1.0 0.25 POST

27 COBRA EC 2.0 0.20 POST 5
28%N AD 1.0 0.25 POST

165

UNIVERSITY

0 F

ILLINOIS

PESTICIDE

TRT. ---
NO. NAME

FORMU

1987 ELWOOD SCREENING STUDY

APPLI- |GIFT | |

CATIONJ J |

LBai/A TYPE j 0/00/00 |

: x -tt = :

28 REFLEX
X-77

EC 2 . 0 0.25 POST
%S 1 . 0 0.25 POST

29 REFLEX
X-77
28%N

EC 2 . 0 0.25 POST
%S 1 . 0 0.25 POST
AD 1.0 0.25 POST

30 ATRAZINE DF 90
BANVEL EC 4.0

0.9 2 POST
0.48 POST

31 SCEPTER SC 1.5 .0625 PRE

32 SCEPTER SC 1.5 0.125 PRE

33 PURSUIT SC 2.0

39

0625 PRE

34 PURSUIT SC 2.0 0.094 PRE

35 AC263222 SC 2.0 0.018 PRE

36 AC263222 SC 2.0 0.036 PRE

37 PREVEIW DF 75

38 PREVEIW DF 75

SCEPTER
LASSO

AS 1 . 5
EC 4 . 0

0.50 PRE

0.62 PRE

0.125 PRE

2.00 PRE

30
88
85
85
60
75
11
82
90

40 SCEPTER SC 1.5 0.125 PRE
DUAL EC 8.0 2.00 PRE

95

41 COMMAND EC 4.0 0.75 PRE

42

43

44

COMMAND

EC

4 .

0

0

75

PRE

LEXONE

DF

75

0

25

PRE

COMMAND

EC

4 .

0

0

75

PRE

SCEPTER

SC

1.

5

0

094

PRE

COMMAND

EC

4 .

0

0

50

PRE

SCEPTER

SC

1.

5

0

094

PRE

99
99

93

93

166

UNIVERSITY OF ILLINOIS

1987 ELWOOD SCREENING STUDY

PESTICIDE APPLI-|GIFT I I I I I

TRT. CATION | I I I I I

NO. NAME FORMU. LBai/A TYPE | 0/00/00 | | | |

45 COMMAND EC 4 . 0 0.50 PRE 95
PURSUIT SC 2.0 .0625 PRE

46 COMMAND EC 4.0 0.75 PRE 99
PREVEIW DF 75 0.38 PRE

47 CINCH EC 7.0 1.50 PRE 90
PREVEIW DF 75 0.38 PRE

48 PROWL EC 4.0 1.00 PRE 80
SCEPTER SC 1.5 0.125 PRE

LSD(0.05) - 11

STANDARD DEVIATION - 7

COEFF. OF VARIABILITY - 21

167

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CULORIMURON COMBINATIONS

STOLLER

/ Ft : 10

LOCATION: ELWOOD
RESEARCH BY: FIELDING /
COOPERATOR : LYLE PAUL
REPORTED BY: R. FIELDING
PREVIOUS CROP: SOYBEANS PLOT
PREVIOUS TILL: CONVENTIONAL
SOIL TEXTURE: SILTY LOAM 0M%:4%
EXPT. DESIGN:RCBD NUM. OF REPS:4
CROP: SOYBEANS VARIETY: WELLS
PLANTING DATE: 05/29/87 DEPTH/In: 1.5
SEASONAL RAINFALL DURING EXPERIMENT
PRIMARY RATE UNIT:OZ AI

x21

pH: 6 .4

ROW WIDTH/In: 30

II

SPACING/In:7 9/FT/ROW
EARLY: LOW MID:ADQ LATE.ADQ

EXPERIMENT COMMENTS

This is a rep
nations study at U
than the stunting
application was a
than at Urbana.

The 28% nitro
tended to improve
lambs quar te rs was
nitrogen solution

Although ther
this study to cons
provided excellent
thiameturon was fa
no activity on yel

Grasses were
on 7/9/87.

lication of the thiameturon and chlorimuron comb in -
rbana. The soybean stunting in this study was less
seen at Urbana. The temperature at the time of
little lower, and the soybeans were a little smaller

gen improved velvetleaf control and also

pigweed control slightly. The contol of common

not greatly affected by the addition of the 28%

to the herbicide.

e was not enough jimsonweed and yellow nut: sedge in

istently rate. The data indicated that chlorimuron

control of j imson weed and good yellow nut. sedge contro
ir to poor on jimson weed and had almost
low nutsedge .
controlled with 1.5 pints of Poast which was sprayed

/A

168

THIAMETURON AND CHLORIMURON COMBINATIONS

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST 1 1 1 1

APPLICATION DATE | 06/24/87 | / / I// 1 / / 1 / /

JULIAN DATE/YEAR | J175/87 | J 0/00 j J 0/00 | J 0/00 j J 0/00

START HR / END HR | 10 : 00/1 2 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD | POST III

AIR/SOIL TEMP ( F) j 85 / 0 j 0 / 0 |0 / 0 | 0 / 0 j 0 / 0

% REL. HUMIDITY |65 |0 |0 jo |0

WIND DIR. / VELOC|W / 5 j / 0 | / 0 | / 0 j / 0

SKY / SOIL COND. | CLEAR/MOI ST | / 1 / 1 / 1 /

SOIL/LEAF MOIST. | / | / | / | / | /

INCORP. EQUIPMENTI 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE |C02 BACK PK | | |

SPRAYER GPA / PSI|18 / 35 |0 / 0 | 0 / 0 |0 / 0 | 0 / 0

MIX SIZE (Gallon) | 0 . 53 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8002 / 5 |

RAINFAT T/TRRTG inl -- - -

0-24 HR/1-3 DAYS | / | / | / | / j /
4-7 DAYS/2ND WEEK| / / / / /
3RD WEEK/4TH WEEK| / / / / /

SPECIE | IAPPLIC. 1|APPLIC. 2|APPLIC. 3|APPLIC. 4|APPLIC. 5
CODE j SPECIES j DEN ./STG . | DEN ./STG . j DEN./STG . j DEN . /STG . | DEN ./STG .

******* | ****** CROP ****** | ********* 1 ********* 1 ********* j ********* 1 *********
GLYMA | SOYBEANS /2-3TR|6IN/ / / /
******* | ****** PEST ****** | ********* 1 ********* | ********* | ********* | *********
VELE |VELVETLEAF | 1 FT/4 - 6LF | 3 - 8/IN / / /
SMPW j SMOOTH PIGWEED | 5FT/6 - 8LF | 6 - 8/IN / 1 / /
COLQ |C. LAMBSQUARTERS |.2F/6+ LF|2-6/IN / / /

1 1 / 1 / 1 / 1 / 1 /
1 1 / 1 / 1 / 1 / 1 /
1 1 / 1 / 1 / 1 / 1 /
1 1 / 1 / 1 / 1 / 1 /
1 1 / 1 / 1 / 1 / 1 /
1 1 / 1 / 1 / 1 / 1 /

UNIFORM STANDARD TREATMENT! 1 1 1 1
UNIFORM TRT. RATE AND UNIT|

169

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

EXPT. LOCATION: ELWOOD

RESEARCH BY: FIELDING / STOLLER

PESTICIDE

: sa x= c= c: u *= ^ ]

TRT.

NO. NAME

APPLI-IC.I. |VELE |SMPW | COLQ |C.I. |VELE

CATION | 7 DAT |7 DAT |7 DAT |7 DAT |14 DAT |14 DAT

FORMU. OZ AI TYPE| 7/01/87 | 7/01/87 | 7/01/87 | 7/01/87 | 7/08/87 | 7/08/87

01 CLASSIC DF .25
X-77 %A

0625 POST
25% POST

70

83

1 5

6 0

02 CLASSIC DF .25 .0625 POST
28% N %A 1 GAL POST

X-77 %A .25% POST

8

79

8 4

18

8 J

03

CLASSIC
X-77

DF

%A

25

.125
. 25%

POST
POST

13

74

83

15

7 5

04 CLASSIC DF .25 .125 POST
28% N %A 1 GAL POST

X-77 %A .25% POST

12

81

84

18

91

05 DPXM6316 DF
X-77 %A

75 .0313 POST
.25% POST

66

78

69

7 8

06 DPXM6316 DF
28% N %A

X-77 %A

75 .0313 POST
1 GAL POST
.25% POST

70

80

66

7 8

07 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0313 POST
.0625 POST
.25% POST

13

76

85

6 6

88

08 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0313 POST

25 .0625 POST

1 GAL POST

.25% POST

13

80

86

63

10

91

09 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

10 DPXM6316 DF .75
CLASSIC DF .25
28% N %A
X-77 %A

.0313 POST

.125 POST

.25% POST

.0313 POST

.125 POST

1 GAL POST

.25% POST

16

18

73

83

83

85

7 0

73

90

13

9 5

170

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

TRT. ---
NO. NAME

PESTICIDE APPLI-|C.I. |VELE | SMPW | COLQ |C.I. |VELE

CATION j 7 DAT |7 DAT |7 DAT |7 DAT | 14 DAT | 14 DAT

FORMU. OZ AI TYPE| 7/01/87 | 7/01/87 | 7/01/87 | 7/01/87 | 7/08/87 | 7/08/87

11 DPXM6316 DF .75
X-77 %A

.0625 POST
.25% POST

8

71

81

73

84

12 DPXM6316 DF
28% N %A
X-77 %A

75 .0625 POST
1 GAL POST
.25% POST

14

76

86

71

87

13 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.0625 POST
.25% POST

15

76

85

70

13

89

14 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .0625 POST

1 GAL POST

.25% POST

19

84

88

71

12

95

15 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.125 POST
.25% POST

21

80

84

74

13

90

16 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .125 POST

1 GAL POST

.25% POST

23

89

90

75

17

97

17 DPXM6316 DF
X-77 %A

75 .0833 POST
.25% POST

10

68

75

74

81

18 DPXM6316 DF
28% N %A
X-77 %A

75 .0833 POST
1 GAL POST
.25% POST

12

81

81

74

11

91

19 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0833 POST
.0625 POST
.25% POST

19

79

81

69

18

93

20 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0833 POST

25 .0625 POST

1 GAL POST

.25% POST

21

84

86

71

14

97

171

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. |VELE | SMPW | COLQ |C.I. | VELE

CATION | 7 DAT |7 DAT |7 DAT |7 DAT | IV. DAT |14 DAT

FORMU. OZ AI TYPEJ 7/01/87 | 7/01/87J 7/01/87 | 7/01/87 | 7/08/8/ | 7/08/87

21 DPXM6316 DF .75 .0833 POST
CLASSIC DF .25 .125 POST
X-77 %A .25% POST

18

73

7 9

71

1 6

97

22 DPXM6316 DF
CLASSIC DF

28% N %A
X-77 %A

75 .0833 POST

25 .125 POST

1 GAL POST

.25% POST

21

84

89

73

19

9 6

23
24

CHECK

CHECK

0
0

0

75

0
100

0
100

0
0

0
100

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

5

4

28

17
11
16

6
4
5

8
5
9

4

3
30

10
7
8

172

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-|SMPW | COLQ |C.I. |VELE | SMPW | COLQ

CATION | 14 DAT | 14 DAT |21 DAT | 21 DAT |21 DAT 1 21 DAT

FORMU. OZ AI TYPE | 7/08/87 | 7/08/87(7/15/87 | 7/15/87 | 7/15/87 | 7/1 5/87

01 CLASSIC DF .25
X-77 %A

0625 POST
25% POST

80

13

0

51

7 4

02 CLASSIC DF .25
28% N %A
X-77 %A

.0625 POST
1 GAL POST
.25% POST

83

14

83

79

03 CLASSIC DF
X-77 %A

25

125
25%

POST
POST

86

14

8]

8 5

10

04 CLASSIC DF .25 .125 POST
28% N %A 1 GAL POST
X-77 %A .25% POST

88

18

9 1

8 3

05 DPXM6316 DF .75
X-77 %A

.0313 POST
.25% POST

90

81

68

88

84

06 DPXM6316 DF

28% N %A
X-77 %A

75 .0313 POST
1 GAL POST
.25% POST

87

81

80

90

84

07 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

0313 POST
0625 POST
25% POST

92

80

86

95

86

08 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0313 POST

25 .0625 POST

1 GAL POST

.25% POST

92

84

90

95

85

09 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0313 POST
.125 POST
.25% POST

96

85

88

97

86

10 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0313 POST

25 .125 POST

1 GAL POST

.25% POST

96

84

10

95

9 6

89

11 DPXM6316 DF
X-77 %A

75 .0625 POST
.25% POST

90

83

85

94

89

173

UNIVERSITY

0 F

ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

PESTICIDE

TRT.

NO. NAME

APPLI-|SMPW |COLQ |C.I. | VELE |SMPW | COLQ

CATION | 14 DAT | 14 DAT |21 DAT |?1 DAT |?1 DAT |21 DAT

FORMU. OZ AI TYPE| 7/08/87 |7/08/87 | 7/15/87 | 7/15/87 | //15/87 | 7/15/87

12 DPXM6316 DF
28% N %A
X-77 %A

.75 .0625 POST
1 GAL POST
.25% POST

93

85

86

93

86

13 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

0625 POST
0625 POST
25% POST

95

85

11

86

9 6

86

14 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .0625 POST

1 GAL POST

.25% POST

95

85

10

96

9 5

89

15 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0625 POST
.125 POST
.25% POST

94

84

90

95

90

16 DPXM6316 DF

CLASSIC DF

28% N %A

X-77 %A

75 .0625 POST

25 .125 POST

1 GAL POST

.25% POST

98

86

14

97

97

91

17 DPXM6316 DF
X-77 %A

75 .0833 POST
.25% POST

90

85

85

93

86

18 DPXM6316 DF

28% N %A
X-77 %A

75 .0833 POST
1 GAL POST
.25% POST

95

85

91

9 1

8 6

19 DPXM6316 DF .75
CLASSIC DF .25
X-7 7 %A

.0833 POST
.0625 POST
.25% POST

94

69

11

93

9 4

89

20 DPXM6316 DF
CLASSIC DF
28% N %A
X-77 %A

75 .0833 POST

25 .0625 POST

1 GAL POST

.25% POST

96

86

1 2

98

97

91

21 DPXM6316 DF .75
CLASSIC DF .25
X-77 %A

.0833 POST
.125 POST
.25% POST

96

86

12

9 3

97

90

174

UNIVERSITY OF ILLINOIS

THIAMETURON AND CHLORIMURON COMBINATIONS

PESTICIDE APPLI-|SMPW | COLQ |C.I. |VELE | SMPW |COLQ

TRT. CATI0N|14 DAT | 14 DAT | 2 1 DAT |21 DAT |21 DAT |21 DAT

NO. NAME FORMU. OZ AI TYPE | 7/0 8/87 | 7/08/87 | 7/15/87 | 7/15/87 | 7/15/87 | 7/15/87

22 DPXM6316 DF .75 .0833 POST 95 85 14 97 98 91
CLASSIC DF .25 .125 POST

28% N %A 1 GAL POST
X-77 %A .25% POST

23 CHECK 0 0 0 0 0 0

24 CHECK 100 100 0 100 100 100

LSD(0.05) 6 11 4 8 6 4

STANDARD DEVIATION =472543

COEFF. OF VARIABILITY = 5 11 37 6 4 4

175

UNIVERSITY

0 F

ILLINOIS

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN

LOCATION: ORR RESEARCH STATION

RESEARCH BY : KOPPATSCHEK

COOPERATOR : RAINES

REPORTED BY:KOPPATSCHEK

PREVIOUS CROP:CORN PLOT / Ft:7.5x30 ROW WIDTH/In:30

PREVIOUS TILL:CONVENTIONAL

SOIL TEXTURE: SILT LOAM OM% : 2 . 5 pH

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY : WILLI AMS

PLANTING DATE:05/20/87 DEPTH/In:1.5

SEASONAL RAINFALL DURING EXPERIMENT

PRIMARY RATE UNIT:LBai/A

6.0

SPACING/In
EARLY: LOW

7-8/FT. -ROW
MID: LOW LATE: LOW

EXPERIMENT COMMENTS

Results of the 1987 study are consistent with those reported in the
previous two years. Fertlizer additives, such as 28% N, 10-34-0, and
NH42S04 were found to increase the level of velvetleaf control by 5 to 10%
compared to when crop oil concentrate was used. The most dramatic increases
occured with Blazer, however the control level was still unacceptable.
Control of lambsquarter or cocklebur control where equal regardless of
addi t ive .

176

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST II

APPLICATION DATE |06/04/87 I// | / / 1 / / 1 / /

JULIAN DATE/YEAR | J155/87 | J 0/00 | J 0/00 j J 0/00 | J 0/00

START HR / END HR j 10 : 00/11 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD III

AIR/SOIL TEMP ( F) j 75 / 68 |0 / 0 |0 / 0 |0 / 0 jo / 0

% REL. HUMIDITY j 8 5 |0 |0 |0 |0

WIND DIR. / VEL0C|SW / 12 |/0 j / 0 j / 0 j/0

SKY / SOIL COND. | CLDY /DRY | / | / I / I /

SOIL/LEAF MOIST. | / j / | / j / | /

INCORP. EQUIPMENT |N0NE 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE | hand held | | | |

SPRAYER GPA / PSI|20 / 40 | 0 / 0 j 0 / 0 | 0 / 0 j 0 / 0

MIX SIZE (Gallon)|.40 |0 |0 |0 |0

NOZZLE TYPE /NUM.|8002 II

RAI NFAT T/TRRTG inl

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN./STG .

APPLIC. 5
DEN./STG.

COLQ
VELE
COCB

****** CROP ******

SOYBEAN

****** PEST ******

LAMBSQUARTERS

VELVETLEAF

COCKLEBUR

*********

/2 TRI
*********

M /6 L
M /4 L
M /6 L

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

177

UNIVERSITY

0 F

ILLINOIS

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN

EXPT. LOCATION: PERRY, IL
RESEARCH BY : KOPPATSCHEK

INITIATED:06/04/87

COMPLETED: 07/15/87

PESTICIDE APPLI-|COLQ |VELE | COCB | COLQ |VKLE |COCB

TRT. --- CATIONJ I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/2 5/8 7 | 6/2 5/8 7 | 6/2 5/8 7 | 7/ 1 5/8 / | 7 / L 5/8 7 | 7/ 1 5/8 7

01 BLAZER EC 2 .38 POST
10-34-0 %S 1 .25 POST

67

91

92

4/

83

90

02 BLAZER EC 2 .38 POST
10-34-0 %S 1 1.0 POST

86

89

85

69

92

73

03 BLAZER EC 2 .38 POST
28% N %S 1 .50 POST

90

93

81

68

9 4

70

04 BLAZER EC 2 .38 POST
28% N %S 1 1.0 POST

63

85

83

55

86

81

05 BLAZER EC 2 .38 POST
NH42S04 DG 1 2.0 POST

65

87

75

60

86

63

06 BLAZER EC 2 .38 POST
NH42S04 DG 1 6.0 POST

67

88

82

33

81

67

07 BLAZER EC 2
COC %s 1

38 POST
125 POST

67

68

80

45

5 8

58

08 BLAZER EC 2
COC %s 1

38

POST
POST

78

65

65

73

57

55

09 BLAZER EC 2
COC %s 1

.50 POST
.125 POST

79

72

82

53

65

6 2

10 BASAGRAN EC 4 .50 POST
10-34-0 %s 1 .25 POST

78

95

95

63

91

93

11 BASAGRAN EC 4 .50 POST
10-34-0 %s 1 1.0 POST

95

95

95

92

93

95

12 BASAGRAN EC 4 .50 POST
28% N %s 1 .50 POST

87

93

91

82

85

95

13 BASAGRAN EC 4 .50 POST
28% N %s 1 1.0 POST

58

93

95

22

91

9 5

178

UNIVERSITY OF ILLINOIS

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN

PESTICIDE APPLI-|COLQ | VELE | COCB | COLQ |VELE | COCB

TRT. CATION | I I I I I

NO. NAME FORMU. LBai/A TYPE | 6/25/87 | 6/25/87 | 6/25/87 | 7/15/8 7 | 7/1 5/87 | 7/1 5/87

14 BASAGRAN EC 4 .50 POST 65 93 92 50 88 85
NH42S04 DG 1 2.0 POST

15 BASAGRAN EC 4 .50 POST 60 94 95 40 93 95
NH42S04 DG 1 6.0 POST

16 BASAGRAN EC 4 .50 POST 66 90 90 63 81 91
COC %S 1 .25 POST

17 BASAGRAN EC 4 .50 POST 75 94 93 62 91 95
COC %S 1 00 POST

18 BASAGRAN EC 4 1.0 POST 93 94 95 93 93 93
COC %S 1 .25 POST

LSD(0.05) - 22 15 15 39 21 23

STANDARD DEVIATION =13 9 9 23 13 14

COEFF. OF VARIABILITY - 18 10 10 39 15 17

179

UNIVERSITY OF ILLINOIS
FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN COMBINATIONS

LOCATION : ORR RESEARCH CENTER

RESEARCH BY: FRITZ KOPPATSCHEK

COOPERATOR : GLENN RAINES

REPORTED BY: FRITZ KOPPATSCHEK

PREVIOUS CROP:CORN PLOT / Ft:7.5x30 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE:SILT LOAM OM% : 2 . 0 pH : 6 . k

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARI ETY : WI LLI AMS

PLANTING DATE: 5 /20 /87 DEPTH/In:1.5 SPACING/In : 7 - 9/FT/ROW

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID:MOD LATE: LOW

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

The low rate of a Blazer plus Basagran , .12 and .25 lb/ai/a
when applied with fertlizer additives significantly enhanced velvetleaf
control compared to treatments applied with crop oil.

There were no differences in weed control between the additives when
herbicide rates were increased to near label recommended rates. No
differences in lambsquarter control was observed between the fertlizer and
crop oil treatments.

J

180

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN COMBINATIONS

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST 1 1 1 1

APPLICATION DATE |06/04/87 | / / 1 / / 1 / / 1 / /

JULIAN DATE/YEAR | J155/87 j J 0/00 j J 0/00 j J 0/00 j J 0/00

START HR / END HR j 10 : 00/11 : 00 j : / : | : / : | : / : | : /

APPLIC. METHOD | POST 1 1 1 1

AIR/SOIL TEMP (F)|75 / 68 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY j 8 5 |0 |0 |0 |0

WIND DIR. / VELOC|SW / 12 | / 0 j / 0 | / 0 | / 0

SKY / SOIL COND. | CLDY /DRY I / | / | / I /

SOIL/LEAF MOIST. | / | / | / | / j /

INCORP. EQUIPMENT | NONE 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE j C02 1 1 1 1

SPRAYER GPA / PSI|20 / 40 |0 / 0 | 0 / 0 | 0 / 0 j 0 / 0

MIX SIZE (Gallon) j. 40 |0 |0 |0 |0

NOZZLE TYPE /NUM. | 8002 | | j

RAI NFAT I /TRRTG inl - --

0-24 HR/1-3 DAYS I / | / | / | / | /
4-7 DAYS/2ND WEEK| / / / / /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN . /STG .

APPLIC. 2
DEN. /STG.

APPLIC. 3
DEN ./STG.

APPLIC. 4
DEN. /STG .

APPLIC. 5
DEN . /STG .

•k -k -k -k -k -k *

•k -k -k -k -k -k -k
COLQ

VELE

****** CROP ******

SOYBEAN

****** PEST ******

LAMBSQUARTERS

VELVETLEAF

*********

/2 TRI
*********

M /6 L

M /4 L

/
/
/
/
/
/
/

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
* * * * *****

/
/
/
/
/
/
/
/
/

UNIVERSITY

181

0 F

ILLINOIS

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN COMBINATIONS

EXPT. LOCATION: PERRY, IL
RESEARCH BY:FRITZ KOPPATSCHEK

PESTICIDE

INITIATED:06/04/87

COMPLETED : 07/15/87

VELE | COLQ |VELE

TRT. ---

NO. NAME

01

APPLI- | COLQ

CATION |

FORMU. LBai/A TYPE | 6/2 5/8 7 | 6/2 5/8 7 | 7/1 5/8 7 | 7/1 5/8 7 |

02

03

04

05

06

07

08

09

10

BLAZER

EC

2

.12

POST

BASAGRAN

EC

4

. 25

POST

BLAZER

EC

2

. 12

POST

BASAGRAN

EC

4

.25

POST

COC

%S

1

.125

POST

BLAZER

EC

2

. 12

POST

BASAGRAN

EC

4

. 25

POST

10-34-0

%S

1

. 25

POST

BLAZER

EC

2

. 12

POST

BASAGRAN

EC

4

. 25

POST

2 8%.

%S

1

. 50

POST

BLAZER

EC

2

. 12

POST

BASAGRAN

EC

4

. 25

POST

NH42S04

DG

100

2 .0

POST

BLAZER

EC

2

.25

POST

BASAGRAN

EC

4

. 50

POST

BLAZER

EC

2

. 25

POST

BASAGRAN

EC

4

. 50

POST

COC

%S

1

. 125

POST

BLAZER

EC

2

. 25

POST

BASAGRAN

EC

4

. 50

POST

10-34-0

%S

1

.25

POST

BLAZER

EC

2

. 25

POST

BASAGRAN

EC

4

. 50

POST

28% N

%S

1

. 50

POST

BLAZER

EC

2

.25

POST

BASAGRAN

EC

4

. 50

POST

NH42S04

DG

100

2 . 0

POST

60

65

76

67

75

83

84

81

9 0

40

83

82

91

94

92

95

91

94

95

78

42

63

65

52

60

82

82

62

77

27

68

87

95

95

90

91

90

93

92

75

182

UNIVERSITY

0 F

ILLINOIS

FERTLIZER ADDITIVES FOR BLAZER AND BASAGRAN COMBINATIONS

TRT.

NO. NAME

PESTICIDE APPLI-|COLQ | VELE | COLQ |VELE |

CATIONJ I I I I

FORMU. LBai/A TYPE | 6/25/87 | 6/25/87 | 7/15/87 | 7/15/87 |

11

12

13

14

15

16

17

18

19

BLAZER

EC

2

. 38

POST

92

96

85

94

BASAGRAN

EC

4

. 50

POST

BLAZER

EC

2

. 38

POST

85

93

80

91

BASAGRAN

EC

4

. 50

POST

COC

%S

1

. 125

POST

BLAZER

EC

2

. 38

POST

93

95

93

95

BASAGRAN

F.C

4

. 50

POST

10-34-0

%S

1

. 25

POST

BLAZER

EC

2

. 38

POST

73

94

76

9 2

BASAGRAN

EC

4

. 50

POST

28% N

%S

1

. 50

POST

BLAZER

EC

2

. 38

POST

88

94

83

92

BASAGRAN

EC

4

. 50

POST

NH42S04

DG

100

2 .0

POST

BLAZER

EC

2

. 50

POST

73

85

63

82

COC

%S

1

. 125

POST

BASAGRAN

EC

4

1 .0

POST

91

95

92

95

COC

%S

1

. 25

POST

BASAGRAN

EC

4

. 50

POST

75

87

69

89

28% N

%S

1

. 75

POST

MYCROZ

%S

1

. 25

POST

BASAGRAN

EC

4

. 50

POST

82

93

83

93

BLAZER

EC

2

. 25

POST

28% N

%S

1

. 75

POST

MYCROZ

%S

1

. 25

POST

LSD(0

.05) -

17

11

27

14

i

STANDARD

DEVIATION =

10

6

16

8

COEFF.

OF VARIABILITY =

13

7

23

9

183

UNIVERSITY OF ILLINOIS

MONMOUTH CORN PREEMERGENCE STUDY

LOCATION: MONMOUTH RESEARCH STATION

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :MIKE MAINZ

REPORTED BY:REX LIEBL

PREVIOUS CROP : SOYBEANS PLOT / Ft:7,5x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 3 . 5 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP-.CORN VARIETY: PIONEER 3378

PLANTING DATE:05/06/87 DEPTH/In:1.5 S PACING/In : @24 , 000 NUM. PLANTS:

SEASONAL RAINFALL DURING EXPERIMENT: EARLYrLOW MID:LOW LATE:LOW

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

SOIL WAS DRY AND CLODDY AT THE TIME OF HERBICIDE APPLICATION. SEVERAL
WEEKS OF DRY HOT WINDY WEATHER FOLLOWED APPLICATION. THESE FACTORS
RESULTED IN COMPLETE FAILURE OF ALL HERBICIDE TREATMENTS, CONSEQUENTLY
NO RATINGS WILL BE REPORTED.

k

184

MONMOUTH CORN PREEMERGENCE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE| PRE 1 1 1 1

APPLICATION DATE | 04/28/87 | / / 1 / / 1 / / 1 / /
JULIAN DATE/YEAR | J118/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 0 8 : 00/ 10 : 00 | :/:|:/:|:/:|:/:
APPLIC. METHOD | PRE 1 1 1 1
AIR/SOIL TEMP ( F) | 70 / 60 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY | 7 0 |0 |0 |0 |0
WIND DIR. / VELOC|SE /04 | / 0 | / 0 | / 0 | / 0
SKY / SOIL COND. | CLEAR/ DRY | / | / | / | /
SOIL/LEAF MOIST. | / | / | / | / | /
INCORP. EQUIPMENT! III
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE | HAND HELD |

SPRAYER GPA / PSI|20 / 30 |0 / 0 |0 / 0 |0 / 0 | 0 / 0
MIX SIZE (Gallon)|0.4 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8002/5 ill

RATNFAT T /TRRTfi inl --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / / / / 1 /

| SPECIES
| CODE

SPECIES

APPLIC. 1
DEN . /STG .

APPLIC. 2
DEN. /STG.

APPLIC. 3
DEN. /STG.

APPLIC. 4
DEN. /STG .

APPLIC. 5
DEN . /STG .

* ■*■*•*■*■&• *

~k -k -k -k -k -k -k

****** CROP ******

****** PEST ******

1|

2|

3|

5|
6|
7|

8|
9|

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

***** * * * ■>'<;

/
*********

/
/
/
/

/
/
/
/
/

* Vc*** * * * *

/

* * * * * * * * *

/
/
/
/
/
/
/
/
/

UNIVERSITY

185

0 F

ILLINOIS

MONMOUTH CORN PREEMERGENCE STUDY

EXPT. LOCATION:MONMOUTH, IL
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE

APPLI-|GIFT |VELE | SMPW |

TRT. -- CATION) | | |

NO. NAME FORMU. LBai/A TYPE | 6/04/8 7 j 6/04/8 7 | 6/04/ 8 7 |

01 DUAL EC 8.0 2.50 PRE
ATRAZINE DF 90% 1.50 PRE

02 LASSO EC 4.0 3.00 PRE
ATRAZINE DF 90% 1.50 PRE

03 CG180937 EC 7.8 2.50 PRE
ATRAZINE DF 90% 1.50 PRE

04 SAN-582 EC 6.0 2.00 PRE
ATRAZINE DF 90% 1.50 PRE

05 HARNESS EC 7 . 5 2.50 PRE
ATRAZINE DF 90% 1.50 PRE

06 BICEP

07 BICEP

FL 6 . 0 4.50 PRE

FL 5 . 9 4.50 PRE

08 ATRAZINE DF 90% 1.50 PRE

09 ATRAZINE DF 90% 3.00 PRE

10 BAS-514 WP 50 0.50 PRE

11 BAS-514 WP 50

1.00 PRE

12 BAS-514 WP 50 0.50 PRE
ATRAZINE DF 90% 1.50 PRE

13 BAS-514 WP 50 1.00 PRE
ATRAZINE DF 90% 1.50 PRE

14 DUAL EC 8.0 2.50 PRE
PPG-4000 FL 4.8 1.20 PRE

15 DUAL EC 8.0 2.50 PRE
PPG- 1259 FL 3 . 0 0.20 PRE

0

0

0

0

0

0
0
0
0
0
0
0

0

0

0

0

0

0

0
0
0
0
0
0
0

0

0

0

0

0

0

0
0
0
0
0
0
0

186

UNIVERSITY

0 F

ILLINOIS

MONMOUTH CORN PREEMERGENCE STUDY

PESTICIDE

APPLI-|GIFT |VELE | SMPW |

TRT. - - CATION | | | |

NO. NAME FORMU. LBai/A TYPE | 6/04/8 7 | 6/04/8 7 | 6/04/8 7 |

16 DUAL EC 8.0 2.50 PRE
BLADEX DF 90% 1.60 PRE
PPG-1259 FL 3.0 0.20 PRE

0

0

17 PPG-4000 FL 4.8 1.20 PRE

18 PPG-1259 FL 3.0 0.20 PRE

19 ATRAZINE DF 90% 1.50 PRE
BLADEX DF 90% 1.50 PRE

0
0
0

0
0
0

0
0
0

20 ATRAZINE DF 90%
BLADEX DF 90%

21 ATRAZINE DF 90%
BLADEX DF 90%

22 SC-0735 WP 75
SC-29148 WP 75

23 SC-0735 WP 75
SC-2914 8 WP 75

24 SC-0774 WP 75
SC-29148 WP 75

25 SC-0774 WP 75
SC-29148 WP 75

1 .

00

PRE

2 .

00

PRE

0 .

7 5

PRE

2 ,

25

PRE

0.

, 75

PRE

0.

, 125

PRE

1

.00

PRE

0,

.167

PRE

1

.00

PRE

0.

. 167

PRE

1

. 25

PRE

0

. 21

PRE

0

0

0

0

0

0

0

0

0

0

0

0

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

NA
NA
NA

NA
NA
NA

NA
NA
NA

187

UNIVERSITY OF ILLINOIS

MONMOUTH POSTEMERGENCE CORN HERBICIDE STUDY

LOCATION :MONMOUTH RESEARCH STATION.

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :MIKE MAINZ

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP: SOYBEANS PLOT / Ft:7.5x40 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM%:4.0 pH : 6 . 4

EXPT. DESIGN:RCBD NUMBER OF REPS . 3

CROP:CORN VARI ETY : PIONEER 3378

PLANTING DATE: 04/28/87 DEPTH/In:1.5 NUM . PLANTS/ACR . 28,000

SEASONAL RAINFALL DURING EXPERIMENT EARLY : LOW MID:LOW LATE:

PRIMARY RATE UNIT:LBai/A

i
EXPERIMENT COMMENTS

;

THE ONLY BROADLEAF SPECIES IN THE FIELD WAS VELVETLEAF.
SHORTLY AFTER APPLICATION OF THE HERBICIDE TREATMENTS, A HOARDE OF GRASS-
HOPPERS OVERTOOK THE FIELD AND SELECTIVELY REMOVED THE VELVETLEAF FROM
THE FIELD BEFORE STARTING ON THE CORN. AT THE TIME OF RATING NO
VELVETLEAF REMAINED IN THE CHECK PLOTS AND CORN WAS 30% DAMAGED. THEREFORE
WEED CONTROL WAS NOT RATED , PERHAPS THIS IS AN EXAMPLE OF TRUE INTEGRATED
PEST MANAGEMENT.

S

188

MONMOUTH POSTEMERGENCE CORN HERBICIDE STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST II

APPLICATION DATE |06/04/87 I / / 1 / / I / / 1 / /

JULIAN DATE/YEAR | J155/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR | :/: | :/: j :/: | :/: | :/:

APPLIC. METHOD |POST ill

AIR/SOIL TEMP (F)|75 / 75 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY |50 |0 |0 |0 |0

WIND DIR. / VELOC|NE /5 |/0 | / 0 |/0 |/0

SKY / SOIL COND. j CLEAR/ DRY | / | / | / | /

SOIL/LEAF MOIST. | ADQ / ADQ | / | / | / | /

INCORP. EQUIPMENT! 1 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE | HANDHELD II

SPRAYER GPA / PSI|20 / 40 | 0 / 0 | 0 / 0 |0 / 0 | 0 / 0

MIX SIZE (Gallon)|0.4 |0 |0 |0 |0

NOZZLE TYPE /NUM.|8002/5 | | |

RATNFAT T /TRRTG inl -

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / / / / 1 /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN . /STG .

APPLIC. 5
DEN ./STG .

1
2
3

4
5

6
7

8
9

■k-k-k-k -k -k -k
k-k-k-k*-k-k

VELE

■k-k -k-k-k-k CROP ******
CORN

****** PEST ******
VELVETLEAF

*********

/7LF
*********

/12"

/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
* * * * * * * * *

/

/
/
/
/
/
/
/
/

*********

/
* * * * * * * * *

/
/
/
/
/
/
/
/
/

189

UNIVERSITY OF ILLINOIS

MONMOUTH POSTEMERGENCE CORN HERBICIDE STUDY

EXPT. LOCATION:MONMOUTH
RESEARCH BY : CANTWELL/LI EBL/WAX

PESTICIDE APPLI-IC.I. |VELE | |

TRT. - - CATIONJ I | j

NO. NAME FORMU. LBai/A TYPE | 7/02/87 | 7/02/8 7 | |

01 STARANE FL 1.67 0.50 @ - 5 " 0 0

02 DPXM6316 DF 75 3 . 54g @ - 5 " 0 0
X-77 % S 1 . 0 0.25% @ - 5 "

03 BENAZOL FL 4.0 0.50 @ - 5 " 0 0
COC CO 1.0 1.00 @-5"

04 BAS-514 WP 50 0.25 @ - 5 " 0 0
COC CO 1.0 0.25 @-5"

05 24DAMINE EC 3.8 0.25 @ - 5 " 0 0
PPG- 1259 FL 3 .0 0 . 10 @ - 5 "

06 PPG-4000 FL 4.8 0.60 @ - 5 " 0 0
*ATRAZIN 0.50

*PPG1259 0.10

07 BUCTRIL EC 2.0 0.38 @ - 5 " 0 0

08 BUC/ATR FL 3.0 0.75 @ - 5 " 0 0
*BUCTRIL 0.25

*ATRAZIN 0.50

09 MARKSMAN FL 3 . 2 1 . 00 @ - 5 " 0 0
*BANVEL 0.34

*ATRAZIN 0.66

10 MARKSMAN FL 3 . 2 1 . 40 @ - 5 " 0 0
*BANVEL 0.48

*ATRAZIN 0.92

11 LADDOCK FL 3.33 1.00 @ - 5 " 0 0
*BASAGRN 0.50

*ATRAZIN 0.50

COC CO 1.0 0.25 @- 5"

12 TANDEM FL 4.0 0.50 @ - 5 " 0 0
ATRAZINE DG 90% 1.50 @ - 5 "

COC CO 1.0 0.25 @-5"

190

UNIVERSITY

0 F

ILLINOIS

MONMOUTH POSTEMERGENCE CORN HERBICIDE STUDY

TRT.

NO. NAME

PESTICIDE APPLI-IC.I. |VELE |

CATION | | J

FORMU. LBai/A TYPE | 7/02/8 7 | 7/02/8 7 |

13 ATRAZINE DG 90% 2.00 @ - 5 "
COC CO 1.0 0.25 @-5"

0

14

BLADEX
TANDEM

DG
FL

90%
4.0

2 .00
0. 50

@-5"
@-5"

0

0

15 CHECK

16 RS-012 EC 3.75 0.90 @ - 5 "
ATRAZINE DG 90% 1.50 @ - 5 "

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

0

NA

NA

NA

NA

NA

NA

191

UNIVERSITY OF ILLINOIS
MONMOUTH PRE- PLANT INCORPORATED VS PREEMERGENCE SOYBEAN STUDY

LOCATION :MONMOUTH RESEARCH STATION

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :MIKE MAINZ

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:7.5x35 ROW WIDTH/In:30

PREVIOUS TILL: CONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : 4 . 0 pH : 6 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP : SOYBEANS VARIETY:

PLANTING DATE: 05/06/87 DEPTH/In:1.5 S PACING/ I n : 7 - 9/FT . ROW NUM. PLANTS:

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID: LOW LATE:

PRIMARY RATE UNIT:LBai/A

i
i

EXPERIMENT COMMENTS j

«

Soil was dry and cloddy at the time of herbicide application.
Preplant treatments were incorporated with a tillage disc. The result
was streaking of herbicide treatments and consequently eradic control
between and within treatments. This study exemplifies importance of proper
incorporation, namely using a tool designed for incorporation.

The dry conditions at planting, combined with the continued dry weather
that followed resulted in poor performance from pre emergence applied
herbicides .

J

192

MONMOUTH PRE-PLANT INCORPORATED VS PREEMERGENCE SOYBEAN STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|PPI VS. PRE | | | |

APPLICATION DATE | 05/06/87 | / / | / / | / / 1 / /
JULIAN DATE/YEAR | J126/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 0 8 : 00/ 1 0 : 00 | :/:|:/:|:/:|:/:
APPLIC. METHOD |PPI/PRE III
AIR/SOIL TEMP ( F) j 80 / 65 |0 / 0 | 0 / 0 j 0 / 0 |0 / 0
% REL. HUMIDITY j 8 0 |0 |0 |0 |0
WIND DIR. / VELOC|NE /09 | / 0 | / 0 | / 0 | / 0
SKY / SOIL COND. | CLEAR/ DRY | / | / | / | /
SOIL/LEAF MOIST. | / | / | / j / | /
INCORP. EQUIPMENT|TILLAGE DSK| | | j
INCORP. DEPTH(in)|04 |0 |0 |0 |0
SPRAYER TYPE | HAND HELD | | I
SPRAYER GPA / PSI|25 / 30 |0 / 0 j 0 / 0 j 0 / 0 | 0 / 0
MIX SIZE (Gallon) | 0.46 |0 |0 |0 |0
NOZZLE TYPE /NUM. | 8003/5 1 1 1 1

RATNFATT /TRRTf: inl --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK | / / / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN. /STG .

APPLIC. 2
DEN. /STG.

APPLIC. 3
DEN . /STG .

APPLIC. 4
DEN. /STG .

APPLIC. 5
DEN. /STG.

1
2
3
4
5
6
7
8
9

■*■*••*•*■■*•■*•*

* -k -k -k -k -k -k

GIFT
VELE
SMPW

■k-k-k-k-k-k CROP ******

SOYBEANS

•k-k-k-k-k-k PEST ******
GIANT FOXTAIL
VELVETLEAF
SMOOTH PIGWEED

■k-k-k-k-k~k*-k-k

/
■k -k -k -k -k -k -k -k -k

/
/
/
/
/
/
/
/
/

•k -k -k -k -k -k -k -k -k

/
•k -k -k -k -k -k -k -k -k

/
/
/
/
/
/
/
/
/

•k -k -k -k -k -k -k -k -k

/
•k -k -k -k -k -k -k -k -k

/
/
/
/
/
/
/
/
/

■k-k-k-k-k-k-k-kft

/
•k -k -k -k * * * * -k

/
/
/
/
/
/
/
/
/

-k~k-k-k -k -k -k -k -k

/
■k -k -k * ■*• * ■>'<■ * -k

/
/
/
/
/
/
/
/
/

193

UNIVERSITY

0 F

ILLINOIS

MONMOUTH PRE-PLANT INCORPORATED VS PREEMRGENCE SOYBEAN STUDY

EXPT. LOCATION:MONMOUTH , IL
RESEARCH BY : CANTWELL/LI EBL/WAX

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT |VELE | SMPW

CATIONI | |

FORMU. LBai/A TYPE | 6/09/8 7 | 6/09/8 7 | 6/09/8 7

01 METRIBUZ DF 75 0.5 PPI
DUAL EC 8.0 2.25 PPI

63

83

84

02 SALUTE FL 4 . 0 1.5 PPI
*TREFLAN 1.0

*METRIBZ 0.5

70

82

86

03 METRIBUZ DF 75 0.5 PPI
TREFLAN EC 4.0 0.75 PPI

62

56

85

04 SALUTE FL 4.0 1.13 PPI

*TREFLAN 0.7 5

*METRIBZ 0.375

COMMAND EC 4.0 0.25 PPI

82

83

85

05 COMMAND EC 4 . 0 1.00 PPI

06 COMMENCE EC 5.25 1.48 PPI
*TREFLAN 0.86
^COMMAND 0.63

93
83

90
53

78
85

07 COMMENCE EC 5.25 1.48 PPI
*TREFLAN 0.86

^COMMAND 0.63

METRIBUZ DF 75 0.4 PPI

85

83

65

08 TREFLAN EC 4 . 0 1.0

PPI

09 PREVEIW DF 75 0.45 PPI
^CLASSIC 0.04

*METRIBZ 0.4

TREFLAN EC 4.0 1.0 PPI

87
70

67
82

90
85

10 PURSUIT EC 2.0 0.063 PPI
LASSO MT FL 4 . 0 2.0 PPI

76

85

94

11 PURSUIT EC 2.0 0.094 PPI

62

83

85

194

UNIVERSITY

0 F

ILLINOIS

TRT.

NO. NAME

MONMOUTH PRE-PLANT INCORPORATED VS PREEMRGENCE SOYBEAN STUDY

PESTICIDE APPLI-|GIFT |VELE | SMPW | |

- CATIONJ I I I I

FORMU. LBai/A TYPE | 6/09/8 7 | 6/09/8 7 | 6/09/8 7 | |

12 SALUTE FL 4.0 1.13 PPI
*TREFLAN 0.75

*METRIBZ 0.375

SCEPTER EC 1.5 0.094 PPI

70

78

80

13 PARTNER DG 74% 2.125 PPI
*LASSO 2.0

*SCEPTER 0.125

70

78

80

14 TURBO EC 8.0 2.75 PPI
*DUAL 2.25

*METRIBZ 0.5

72

78

83

15 TURBO EC 8.0 2.25 PPI
*DUAL 1.85

*METRIBZ 0.4

COMMAND EC 4.0 0.25 PPI

60

83

85

16 DUAL

EC 8 .0 2.25 PRE

63

62

78

0.45 PPI
0.41

17 PREVEIW DF 75
*METRIBZ
^CLASSIC 0. 04
LASSO EC 4.0 2.75 PPI

80

83

II

18 SQUADRON FL 2.2 0.875 PPI
*PROWL 0.7 5

*SCEPTER 0.125

87

82

87

19 METRIBUZ DF 75 0.5 PRE
LASSO EC 4.0 2.75 PRE

75

67

60

20 SCEPTER EC 1.5 0.125 PRE
LASSO EC 4.0 2.75 PRE

75

65

75

21 TURBO EC 8.0 2.25 PRE
*METRIBZ 0.4
*DUAL 1.85

22 PARTNER DG 74% 2.125 PRE
*LASSO 2.0
*SCEPTER 0 . 125

68

57

75

73

82

57

UNIVERSITY

195

0 F

ILLINOIS

MONMOUTH PRE-PLANT INCORPORATED VS PREEMRGENCE SOYBEAN STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT |VELE | SMPW |

CATIONI | | |

FORMU. LBai/A TYPE | 6/09/8 7 | 6/09/8 7 | 6/09/8 7 |

23 SCEPTER EC 1.5 0.125

DUAL EC 8.0 2.25 PRE

24

25
26

PURSUIT
LASSO

EC 2 .0

EC 4 . 0

0.063 PRE
2.75 PRE

SONOLAN EC 3.0 0.94 PRE

SONOLAN EC 3.0 0.94 PRE
COMMAND EC 4.0 0.50 PRE

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

77

77

50
53

29
18
25

77

67

63
50

25
15
21

11

67

58
47

NA
NA
NA

196

UNIVERSITY OF ILLINOIS

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY

LOCATION: MONMOUTH RESEARCH STATION

RESEARCH BY : CANTWELL/LI EBL/WAX

COOPERATOR :MIKE MAINZ

REPORTED BY:JOHN CANTWELL

PREVIOUS CROP:CORN PLOT / Ft:10x35 ROW WIDTH/In:30

PREVIOUS TILLrCONVENTIONAL

SOIL TEXTURE: SILTY CLAY LOAM OM% : A . 0 pH : 6 . 4

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: SOYBEANS VARIETY:

PLANTING DATE: 05/06/87 DEPTH/In:1.5 SPACING/In : 7 - 9/FT . ROW NUM. PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : LOW MID: LOW LATE:

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

Note that no rain occured between planting and application,
and also that 4 week old soybeans were only at third trifoliate.
A dense stand of drouthy giant foxtail, velvetleaf, and smooth
pigweed was present at application. Poast in general was more
effective than Fusilade in controlling giant foxtail. When applied
alone Poast afforded equal foxtail control whether applied with COC vs
BCH- 815 (Dash) . Giant foxtail with Fusilade was improved by
addition of BCH-815 over COC. Both Poast and Fusilade were severely
antagonized by addition of Basagran, Cobra, or Tackle. Poast control
of foxtail was not antagonized by Classic whereas Fusilade was
antagonized .

BCH-815 alleviated the Basagran induced antagonism of Poast
foxtail control however Fusilade control of foxtail antagonized by
Basagran whether COC or BCH-815 was added. Poast activity on giant
foxtail was equally antagonized by Tackle or Cobra whether COC or
BCH-815 was added. Addition of BCH-815 to Fusilade plus Cobra or
Tackle resulted in greater foxtail control when compared to COC.

In the Fusilade plots many of the uncontrolled giant foxtail plants
had dead leaves yet had tillered at the basal meristem to produce new
growth. At the time of rating most soybeans had grown out of any
injury symptoms, with exception to the Poast+Cobra + either adjuvant
+ 28%N treatments which significantly stunted soybeans.

197

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST II

APPLICATION DATE J06/04/87 I// | / / 1// 1//
JULIAN DATE/YEAR j J155/87 | J 0/00 j J 0/00 | J 0/00 | J 0/00
START HR / END HR j 08 : 00/09 : 00 j :/:|:/:|:/:|:/:
APPLIC. METHOD j POST II
AIR/SOIL TEMP (F) j 75 / 80 |0 / 0 jo / 0 |0 / 0 |0 / 0
% REL. HUMIDITY | 7 0 |0 |0 |0 |0
WIND DIR. / VELOC|SW / 5 |/0 |/0 |/0 j/0
SKY / SOIL COND. j CLEAR/MOI ST | / 1 / 1 / 1 /
SOIL/LEAF MOIST, j LOW / LOW j / j / j / j /
INCORP. EQUIPMENT | j j 1 1
INCORP. DEPTH(in)J0 |0 jo |0 |0
SPRAYER TYPE j HANDHELD ill
SPRAYER GPA / PSlJ20 / 40 j 0 / 0 | 0 / 0 | 0 / 0 | 0 / 0
MIX SIZE (Gallon)|0.4 |0 jo |0 |0
NOZZLE TYPE /NUM.|8002/5 j j j 1

RATNFATT/TRRTn ^ n 1 .... . ... ..-.-

0-24 HR/1-3 DAYS |0 / 0 | / | / | / | /
4-7 DAYS/2ND WEEKJo / 0 j / j / j / j /
3RD WEEK/4TH WEEKJO / 0 / / j / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG .

APPLIC. 2
DEN. /STG .

APPLIC. 3
DEN./STG .

APPLIC. 4
DEN . /STG .

APPLIC. 5
DEN . /STG .

* * * * * * *

* * * * * * -k

GIFT
VELE
SMPW

****** CROP ******

SOYBEANS

****** PEST ******

GIANT FOXTAIL

VELVETLEAF

SMOOTH PIGWEED

*********
/3T

*********

/4"
/6"
/4"

/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

•k-k-k-k-k-kik-k-k

/
•k-k-k-k-k-k-k-kie

/
/
/
/
/
/
/
/
/

■k-k-k-k^r-kX-k-k

/
■k-k-k*k*k-k~k~k-k

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

198

UNIVERSITY

0 F

ILLINOIS

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY

EXPT. LOCATION: MONMOUTH, IL
RESEARCH BY : CANTWELL/LIEBL/WAX

PESTICIDE APPLI-|GIFT |VELE | SMPW |

TRT. CATION | j | |

NO. NAME FORMU. LBai/A TYPE | 7/02/8 7 | 7/02/8 7 | 7/02/8 7 |

01

POAST

COC

28%N

EC 1 . 5
AD 1 . 0
AD 1 . 0

0. 15
0. 25
1 .0

POST
POST
POST

95

02 FUSILADE
COC
28%N

EC 1 .0
AD 1 . 0

AD 1 . 0

. 188

0 . 25

1 .0

POST
POST
POST

88

03

POAST
BCH815

28%N

EC 1 . 5
AD 1 .0
AD 1 . 0

0 . 15
0. 25

1 .0

POST
POST
POST

95

0

04 FUSILADE
BCH815
28%N

EC 1 .0
AD 1 .0
AD 1 .0

. 188
0. 25
1.0

POST
POST
POST

95

25

0

05 POAST EC 1.5 0.15 POST

BASAGRAN EC 4 . 0 1.0 POST

COC AD 1.0 0.25 POST

28%N AD 1.0 1.0 POST

70

96

63

06 FUSILADE EC 1.0 .188 POST

BASAGRAN EC 4 . 0 1.0 POST

COC AD 1.0 0.25 POST

28%N AD 1.0 1.0 POST

68

96

73

07 POAST EC 1.5 0.15 POST

BASAGRAN EC 4 . 0 1.0 POST

BCH815 AD 1.0 0.25 POST

28%N AD 1.0 1.0 POST

93

93

77

08 FUSILADE EC 1.0 .188 POST

BASAGRAN EC 4 . 0 1.0 POST

BCH815 AD 1.0 0.25 POST

28%N AD 1.0 1.0 POST

62

99

80

09

POAST
COBRA
COC
28%N

EC 1 . 5
EC 2 . 0
AD 1 . 0
AD 1 .0

0

0
0
1

15
20

25
0

POST
POST
POST
POST

77

83

96

199

UNIVERSITY

0 F

ILLINOIS

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY

PESTICIDE

TRT.

NO. NAME

APPLI-|GIFT |VELE | SMPW |

CATIONJ J | |

FORMU. LBai/A TYPE | 7/02/8 7 j 7/02/8 7 | 7/02/8 7 |

10 FUSILADE EC 1.0 .188

COBRA EC 2.0 0.20

COC AD 1.0 0.25

28%N AD 1 .0 1.0

POST
POST
POST
POST

62

83

95

11

POAST
COBRA
BCH815
28%N

EC 1 . 5
EC 2 .0
AD 1 . 0
AD 1 . 0

0

0
0

1

15
20

25
0

POST
POST
POST
POST

80

77

86

12 FUSILADE EC 1.0 .188 POST

COBRA EC 2.0 0.20 POST

BCH815 AD 1.0 0.25 POST

28%N AD 1.0 1.0 POST

78

82

88

13

POAST
TACKLE
COC
28%N

EC 1. 5
EC 2 . 0
AD 1 .0
AD 1 . 0

0

0
0

1

15

40
25
0

POST
POST
POST
POST

80

85

85

14 FUSILADE EC 1.0

TACKLE EC 2.0

COC AD 1 . 0

28%N AD 1.0

.188 POST

0.40 POST

0.25 POST

1.0 POST

67

87

87

15

POAST
TACKLE
BCH815
28%N

EC 1 . 5
EC 2 .0
AD 1 . 0
AD 1 . 0

0 . 15
0.40
0. 25
1.0

POST
POST
POST
POST

78

9?

88

16 FUSILADE EC 1.0

TACKLE EC 2.0

BCH815 AD 1.0

28%N AD 1.0

.188 POST

0.40 POST

0.25 POST

1.0 POST

92

83

88

17 POAST EC 1.5

CLASSIC DF 25

COC AD 1.0

28%N AD 1.0

0.15 POST

0.008 POST

0.25 POST

1 . 0 POST

92

92

85

18 FUSILADE EC 1.0

CLASSIC DF 25

COC AD 1.0

28%N AD 1.0

.188 POST

0.008 POST

0.25 POST

1.0 POST

85

93

80

A

200

UNIVERSITY

0 F

ILLINOIS

MONMOUTH SOYBEAN POST GRASS ANTAGONISM STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|GIFT |VELE | SMPW |

- - CATIONJ J | |

FORMU. LBai/A TYPE | 7/02/8 7 | 7/02/8 7 | 7/02/8 7 |

19

POAST
CLASSIC
BCH815
28%N

EC 1 . 5
DF 25
AD 1 .0
AD 1.0

0.15 POST

0.008 POST

0.25 POST

1.0 POST

93

85

83

20 FUSILADE EC 1.0

CLASSIC DF 25

BCH815 AD 1.0

28%N AD 1.0

.188 POST

0.008 POST

0.25 POST

1.0 POST

63

93

80

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

18
11
13

19
11
16

13

8

12

201

UNIVERSITY

0 F

ILLINOIS

POSTEMERGENCE CRABGRASS CONTROL IN SOYBEANS

LOCATION: SAND FARM
RESEARCH BY : CANTWELL/LI EBL/WAX
COOPERATOR : STAN SIPP
REPORTED BY:RICHARD STEVENS
PREVIOUS CROP: CORN PLOT /
PREVIOUS TILL: CONVENTIONAL
SOIL TEXTURE: SANDY LOAM OM%
EXPT. DESIGN:RCBD NUM. OF REPS : 3
CROP: SOYBEANS VARIETY:

PRIMARY RATE UNIT:LBai/A

Ft : 7 . 5 x25

1.0 pH: 0 .0

ROW WIDTH/In: 30

EXPERIMENT COMMENTS

This study was conducted on a solid stand of large crabgrass.
Select afforded superior control of large crabgrass in this study.
Whip afforded excellent crabgrass control at the highest rate tested.
Higher rates of Poast or Fusilade will be required to provide adequate
control of large crabgrass.

I

202

CRABGRASS CONTROL STUDY

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4| APPLIC. 5
GEN. APPLIC. TYPE|POST II

APPLICATION DATE | 07/02/87 | / / | / / 1 / / 1//

JULIAN DATE/YEAR | J183/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00

START HR / END HR | 10 : 00/11 : 00 | :/:|:/:|:/:|:/:

APPLIC. METHOD |POST 1 1 1 1

AIR/SOIL TEMP (F)|77 / 85 |0 / 0 |0 / 0 |0 / 0 |0 / 0

% REL. HUMIDITY | 6 0 |0 |0 |0 |0

WIND DIR. / VELOC|S /3 |/0 j / 0 j/0 | / 0

SKY / SOIL COND. | CLEAR/ADQ I / | / I / | /

SOIL/LEAF MOIST. |ABD / ABD | / | / | / | /

INCORP. EQUIPMENT! 1 1 1

INCORP. DEPTH(in)|0 |0 |0 |0 |0

SPRAYER TYPE |HAND HELD

SPRAYER GPA / PSI|20 / 40 | 0 / 0 | 0 / 0 | 0 / 0 | 0 / 0

MIX SIZE (Gallon)|0.3 jo |0 |0 |0

NOZZLE TYPE /NUM.|8002/5

RAINFAT T/TRRTG inl - --

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / / / / /
3RD WEEK/4TH WEEK| / / / / /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG .

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN./STG.

APPLIC. 4
DEN. /STG .

APPLIC. 5
DEN ./STG .

1
2
3
4
5
6
7
8
9

LACG

****** CROP ******

SOYBEAN

****** PEST ******

LARGE CRABGRASS

*********

/ 4T
*********

H /1-3LV

/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

* * * * * * ■>'<• * *

/
******** *

/
/
/
/
/
/
/
/
/

203

UNIVERSITY

0 F

ILLINOIS

CRABGRASS CONTROL STUDY

EXPT. LOCATION: SAND FARM, IL
RESEARCH BY : CANTWELL/LI EBL/WAX

lesssan

=■ = = = = — »

■=«= = «■ — =

= ™~™

PESTICIDE

APPLI-

LACG

1

TRT
NO.

CATION
TYPE

NAME

FORMU.

LBai/A

7/24/87|

01

POAST

EC

1. 5

0 . 15

POST

38

COC

CO

1 .0

0 . 25

POST

02

POAST

EC

1 . 5

0 . 10

POST

47

COC

CO

1 .0

0. 25

POST

03

POAST

EC

1 . 5

0.075

POST

27

COC

CO

1 .0

0 . 25

POST

04 FUSILADE EC 1.0 0.15 POST
COC CO 1.0 0.25 POST

47

i

05 FUSILADE EC 1.0 0.10 POST
COC CO 1.0 0.25 POST

32

06 FUSILADE EC 1.0
COC CO 1 . 0

0.075 POST
0.25 POST

35

07

WHIP
COC

EC 1 . 0
CO 1 . 0

0. 15
0. 25

POST
POST

89

08 WHIP
COC

EC
CO

1.0
1 .0

0 . 10
0. 25

POST
POST

88

09 WHIP
COC

EC 1.0 0.075 POST
CO 1.0 0.25 POST

84

10 SELECT
COC

EC 2 .0
CO 1 .0

0. 15
0. 25

POST
POST

98

11 SELECT EC 2.0 0.10 POST

COC CO 1.0 0.25 POST

97

12 SELECT
COC

EC 2 . 0
CO 1 . 0

0.075 POST
0.25 POST

LSD(0.05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

93

12

7

11

204

UNIVERSITY OF ILLINOIS

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

LOCATION : SANDOVAL/CLINTON

RESEARCH BY: ROGER GAST

COOPERATOR : FRED WEIDLE

REPORTED BY:ROGER GAST

PREVIOUS CROP:CORN PLOT / Ft : 10x30 ROW WIDTH/In:0

PREVIOUS TILL:NOTILL

SOIL TEXTURE:SILT LOAM OM% : 2 . 0 pH:6.0

EXPT. DESIGN:RCBD NUM. OF REPS:4

CROP: SOYBEANS VAR I ETY : WILLI AMS 82

PLANTING DATE: 06/06/87 DEPTH/In:l" SPACING/In:7 NUM . PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : ADQ MID:ADQ LATErADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

1. DUAL - 2.5LB./A EPP
DUAL - 2.0LB./A PRE

2. X-77 - (.25% V/V) = ALL TREATMENTS, EPP & PRE

3. PARAQUAT - .75Lb./A - PRE TREATMENTS ONLY, INCL. CHECK.

4. EVALUATION INFORMATION:

% CONTROL - VISUAL EVALUATIONS CONDUCTED 5/22/87 (EPP TRTS ONLY)
AND 7/8/87 (BOTH EPP AND PRE TREATMENTS).

% WIGA WT. RED. - PERCENT WILD GARLIC WHOLE PLANT DRY WEIGHT

REDUCTION WITH RESPECT TO CHECKS WITHIN REP.
PERFORMED ON THE THE 20 PLANTS WHICH WERE
PREVIOUSLY TAGGED AND THEN REMOVED 5/22/87.

BULB WT. RED. - TOTAL OFFSET BULB WEIGHT FROM 20 PLANTS/TRT

WHICH WERE REMOVED 5/22/87.

5. SOYBEANS WERE DRILLED INTO CORN STUBBLE. SOIL MOISTURE WAS
ADEQUATE, HOWEVER SOYBEAN STANDS IN THE EPP TREATMENTS WERE USUALLY
BETTER, PROBABLY DUE TO LESS WEED RESIDUE IN THESE PLOTS.

205

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

** SET 1 OF 1 **
GEN. APPLIC. TYPE

APPLIC
EPP

APPLIC
PRE

APPLIC

APPLIC

APPLIC

APPLICATION DATE
JULIAN DATE/YEAR
START HR / END HR
APPLIC. METHOD
AIR/SOIL TEMP (F)
% REL. HUMIDITY
WIND DIR. / VELOC
SKY / SOIL COND.
SOIL/LEAF MOIST.
INCORP. EQUIPMENT
INCORP. DEPTH(in)
SPRAYER TYPE
SPRAYER GPA / PSI
MIX SIZE (Gallon)
NOZZLE TYPE /NUM.
RAINFALL (in. )
0-24 HR/1-3 DAYS
4-7 DAYS/2ND WEEK
3RD WEEK/4TH WEEK

04/17/87

J107/87

06 :00/07

/ 60

00

68
80

S / 05
P/C /MOIST
/

0

Co2 HND HLD
18 / 35
. 528

FF 8 00 3

06/08/87
J159/87
08 : 00/09 :00

80 / 75
70

SW / 10
CLEAR/M-D
/

0

Co2 HND HLD
18 / 35

. 528

FF 8003

/

0

0
0

/

0/00

/

/ o
/ o

/
/

/ o

/ /

J 0/00
: /

0 / 0

0

/ o

/
/

0

/ /

.1 0/0 0
: /

0 / 0

0

/ o

/
/

0

0
0

/ o

/ o

0/0
0.2/ 0
1.7 / 0.1

0/0
0.4 / 0.9
0 / 3 . 5

0
0

0

/ o
/ o
/ o

0
0
0

/ o
/ o

/ o

0
0

0

SPECIES |
CODE

SPECIES

APPLIC. 1
DEN./STC.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN ./STG .

APPLIC. li
DEN . /STG .

/ 0

/ o

/ 0

APPLIC.
DKN . /STG

*******

GLYMA

* * * * * * *

PRLE
VIPW
COCW
ANBG
WIGA
HOWE
PRSI
VELE
GIFT

****** CROP ******

SOYBEANS
****** PEST ******
PRICKLY LETTUCE
VIR. PEPPERWEED
COMMON CHICKWEED
ANNUAL BLUEGRASS
WILD GARLIC
HORSEWEED
PRICKLY SIDA
VELVETLEAF
GIANT FOXTAIL

*********

- /HT IN
*********

L / 6-8
M / 5-7
H / 4-5
M / 3-5
H / 6-10
L / 4-6

0 /

0 /

0 /

*********

- /HT IN
*********

L /24- 30
M / 18
H / 6-8
M / 6-8
H /18-24
L /18-30
M /PRE
M /PRE
M /PRE

*********

0 /
*********

*********

o /

*********

/
/
/
/
/
/
/
/
/

/
/
/
/
/
/
/
/
/

***** * * * *

o /

*********

o /

o /

o /

o /

o /

o /

o /

o /

o /

A

206

UNIVERSITY

0 F

ILLINOIS

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

EXPT. LOCATION : SANDOVAL/CLINTON, IL
RESEARCH BY:R0GER GAST

PESTICIDE APPLI-|% WIGA |% WIGA | BULB |% ANBG |% HOWE |% VIPW

- - - CAT I ON | CONTROL | WT. RED. | WT (gm) | CONTROL | CONTROL | CONTROL

FORMU. LBai/A TYPE| 5/22/87 | 5/22/87 j 5/22/87 | 5/22/87 [ 5/22/87 | 5/22/87

TRT.

NO. NAME

01 LOROXPLU DF 60%
*LINURON 60%
*F6025 *

02 LOROXPLU DF 60%
*LINURON *
*F6025 *

03 PREVIEW DF 75%
*METRIBU *
*F6025 *

04 PREVIEW DF 75%
*METRIBU *
*F6025 *

05 HARMONY DF 75%
LINURON DF 60%

06 HARMONY DF 75%
METRIBUZ DF 75%

07 SCEPTER SC 1.5

08 SCEPTER SC 1.5

09 PURSUIT SC 2.0

10 PURSUIT SC 2.0

11 LOROXPLU DF 60%

12 PREVIEW DF 75%

525 PPLNI

5

027

675 PPLNI

64

035

375 PPLNI

34

0325

469 PPLNI

43

041

0156 PPLNI
5 PPLNI

0156 PPLNI
375 PPLNI

125 PPLNI

156 PPLNI

06

PPLNI

13 LOROX

DF 60%

14 METRIBUZ DF 75%

09 PPLNI

525 PRE

375 PRE

5 PRE

375 PRE

98

99

96

98

96

95

56

70

79

80

0

0

0

0

65

69

67

6. 1

74

62

63

50

42

36

42

0

0

0

0

5.5

7 .8

6 . 1

12 . 8

9 .4

25 . 6

34.6

43 . 2

39 . 9

0

0

0

0

89

91

85

95

60

69

88

78

81

89

0

0

0

0

100

100

100

100

99

76

85

56

59

51

61

0

0

0

0

100

100

100

89

8 7

90

90

95

97

0

0

0

0

207

UNIVERSITY

0 F

ILLINOIS

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

PESTICIDE APPLI-|% WIGA |% WIGA | BULB |% ANBG |% HOWE |% VIPW

TRT. CATIONJ CONTROL| WT.RED. | WT ( gm) | CONTROL | CONTROL | CONTROL

NO. NAME FORMU. LBai/A TYPE | 5/22/87 | 5/22/87 | 5/22/87 | 5/22/87 | 5/22/87 | 5/2 2/87

15 SCEPTER SC 1.5

16 PURSUIT SC 2.0

125 PRE

06

PRE

17 CONTROL

LSD(0 . 05)

STANDARD DEVIATION

COEFF. OF VARIABILITY

0

0

0

8

6

11

0

0

0

21
15
44

54 . 0

15.1

10.5
17 . 7

0

0

0

1 1

8

16

0
0
0

10

/
1 5

0

0

0

8
')

208

UNIVERSITY OF ILLINOIS

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

PESTICIDE APPLI-|% COCW |% PRLE |% PRSI |% HOWE |% VELE |% GIFT

TRT. - - - CATION | CONTROL | CONTROL | CONTROL | CONTROL | CONTROL | CONTROL

NO. NAME FORMU. LBai/A TYPE | 5/2 2/8 7 | 5/2 2/8 7 | 7/08/8 7 | 7/08/8 7 | 7/0 8/8 7 | 7/08/8 7

01 LOROXPLU DF 60% .525 PPLNI 97 94 88 96 91 82
*LINURON 60% .5

*F6025 * .027

02 LOROXPLU DF 60% .675 PPLNI 99 99 94 98 95 88
*LINURON * .64

*F6025 * .035

03 PREVIEW DF 75% .375 PPLNI 98 99 96 91 90 74
*METRIBU * .34

*F6025 * .0325

04 PREVIEW DF 75% .469 PPLNI 99 100 87 91 95 84
*METRIBU * .43

*F6025 * .041

05 HARMONY DF 75% .0156 PPLNI 97 84 65 53 70 73
LINURON DF 60% .5 PPLNI

06 HARMONY DF 75% .0156 PPLNI 91 78 69 68 70 70
METRIBUZ DF 75% .375 PPLNI

07 SCEPTER SC 1.5 .125 PPLNI 93 86 96 74 80 89

08 SCEPTER SC 1.5 .156 PPLNI 92 84 97 69 90 91

09 PURSUIT SC 2.0 .06 PPLNI 90 67 96 68 86 93

10 PURSUIT SC 2.0 .09 PPLNI 96 60 96 66 88 98

11 LOROXPLU DF 60% .525 PRE 0 0 97 97 96 98

12 PREVIEW DF 75% .375 PRE 0 0 96 98 95 98

13 LOROX DF 60% .5 PRE 0 0 93 97 90 98

14 METRIBUZ DF 75% .375 PRE 0 0 97 98 91 94

15 SCEPTER SC 1.5 .125 PRE 0 0 98 97 94 98

16 PURSUIT SC 2.0 .06 PRE 0 0 98 98 95 93

209

UNIVERSITY

0 F

ILLINOIS

EARLY PREPLANT SOYBEAN WEED CONTROL STUDY

TRT.

NO. NAME

PESTICIDE APPLI-|% COCW |% PRLE |% PRS I |% HOWE |% VELF. |% GIFT

CATION | CONTROL! CONTROL | CONTROL | CONTROL j CONTROL | CONTROL

FORMU. LBai/A TYPE | 5/22/87 | 5/22/87 | 7/08/87 | 7/08/87 | 7/08/87 | 7/08/8 7

17 CONTROL

0

0

0

0

0

LSD(0.05) =

7

12

10

12

1 5

13

STANDARD DEVIATION =

5

8

7

8

10

10

COEFF. OF VARIABILITY -

8

17

8

11

12

12

210

UNIVERSITY OF ILLINOIS

STUDY OF WILD GARLIC CONTROL IN WHEAT

LOCATION : SANDOVAL/CLINTON

RESEARCH BY:GAST / LIEBL

COOPERATOR : FRED WEIDLE

REPORTED BY:ROGER GAST

PREVIOUS CROP: SOYBEANS PLOT / Ft: 10x30 ROW WIDTH/In:0

PREVIOUS TILL:DISK

SOIL TEXTURE:SILT LOAM OM% : 2 . 0 pH : 0 . 0

EXPT. DESIGN:RCBD NUM. OF REPS : 3

CROP: WHEAT VARIETY : CALDWELL

PLANTING DATE: 09/25/87 DEPTH/In:l SPACING/In : 7 " NUM . PLANTS

SEASONAL RAINFALL DURING EXPERIMENT: EARLY : ADQ MID:ADQ LATErADQ

PRIMARY RATE UNIT:LBai/A

EXPERIMENT COMMENTS

1. RATED 6/7/87: GARLIC IS A PERENNIAL MONOCOT .

2. OTHER WEEDS PRESENT BUT TOO ERRATIC TO RATE.

3. REST OF GROWERS FIELD SPRAYED WITH HARMONY, 0.5 OZ . OF PRODUCT/ACR
SEEMED TO WORK WELL. MISSED YELLOW ROCKET (Berteroa incana).

211

STUDY OF WILD GARLIC CONTROL IN WHEAT

** SET 1 OF 1 ** | APPLIC. 1| APPLIC. 2| APPLIC. 3| APPLIC. 4 | APPLIC; b
GEN. APPLIC. TYPE| POST II

APPLICATION DATE | 04/11/87 | / / 1 / / 1 / / 1 / /
JULIAN DATE/YEAR | J101/87 | J 0/00 | J 0/00 | J 0/00 | J 0/00
START HR / END HR | 0 5 : 3 0/06 : 30 j : / : j : / : j : / : j : / :

APPLIC. METHOD j POST 1 1 1 1
AIR/SOIL TEMP ( F) | 6 8 / 60 |0 / 0 |0 / 0 |0 / 0 |0 / 0
% REL. HUMIDITY j 90 |0 |0 |0 |0
WIND DIR. / VEL0C|S / 05 | / 0 j / 0 |/0 |/0
SKY / SOIL COND. | FOGGY/MOI ST | / I / 1 / 1 /
SOIL/LEAF MOIST. | / | / | / | / j /
INCORP. EQUIPMENT! Ill
INCORP. DEPTH(in)|0 |0 |0 |0 |0
SPRAYER TYPE |Co2 BACKPAC j | | |
SPRAYER GPA / PS I | 18 / 35 |0 / 0 j 0 / 0 |0 / 0 |0 / 0
MIX SIZE (Gallon) | . 528 |0 |0 |0 |0
NOZZLE TYPE /NUM. | FF8803 II

RATNFATT / T R R T f: inl .-

0-24 HR/1-3 DAYS | / | / | / | / | /
4-7 DAYS/2ND WEEK| / 1 / 1 / 1 / 1 /
3RD WEEK/4TH WEEK| / / / 1 / 1 /

SPECIES
CODE

SPECIES

APPLIC. 1
DEN./STG.

APPLIC. 2
DEN./STG.

APPLIC. 3
DEN ./STG .

APPLIC. 4
DEN./STG .

APPLIC. 5
DKN./STG .

■&• •*• •*• ■* * -k •*
■* -k ~k ■* -k -k -k

WIGA

•k-k-k-k-k-k CROP ******

WHEAT

■k-k-k-k-k-k PEST ******

WILD GARLIC

■k*-k-k**-k-k-k

6-8/TILLR
*********

M / 6-8"
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

•kick -k-k-k-k-k-k

/
•k-k-k -k-k-k-k-k-k

/
/
/
/
/
/
/
/
/

•k -k * -k * -k -k : -k *

/
*********

/
/
/
/
/
/
/
/
/

*********

/
*********

/
/
/
/
/
/
/
/
/

J

212

UNIVERSITY OF ILLINOIS

EXPT . LOCATION : SANDOVAL/CLINTON , IL
RESEARCH BY:GAST / LIEBL

PESTICIDE APPLI- | %ALLVI

TRT. CATION|CONTL

NO. NAME FORMU. LBai/A TYPE|6/08/87

01 EXPRESS DF 75% .0038 TILLR 63

02 EXPRESS DF 75% .0078 TILLR 86

03 EXPRESS DF 75% .0156 TILLR 92

04 EXPRESS DF 75% .0234 TILLR 95

05 MATRIX DF 75% .0038 TILLR 62

06 MATRIX DF 75% .0078 TILLR 94

07 MATRIX DF 75% .0156 TILLR 95

08 MATRIX DF 75% .0234 TILLR 95

09 HARMONY DF 75% .0038 TILLR 87

10 HARMONY DF 75% .0078 TILLR 93

11 HARMONY DF 75% .0156 TILLR 93

12 HARMONY DF 75% .0234 TILLR 96

13 CHECK 0

LSD(0.05) - 13

STANDARD DEVIATION - 8

COEFF. OF VARIABILITY - 10

213

APPENDIX A

HERBICIDES EVALUATED IN 1987

■::

TRADE NAME

COMMON NAME

EXP. #

COMPANY

AAtrex ; others

Amiben

Assure

Banve 1

Basagran

Benazol in

Butoxone/Butyrac

Bladex

Blazer

Br ominal

Buctril

Cinch

Classic

Cobra

Command

Dual

Eradicane Encap .

Eradicane Extra

Fusilade 2000

Glean

Gr amoxone

Harnes s

Hoelon

Igni te

Las so

Lexone

Linex

Lorox

Lontrel

Marathon

Modown

Paraquat

Poas t

Pr incep

Prowl

Pursuit

Reflex

Round - Up

Scepter

Select

Sencor

Sonalan

atraz ine
chlor amben
quizalof op
dicamba
bentazon
benazol in
2 ,4-DB
cyanaz ine
ac i f luor f en
bromoxyni 1
bromoxyni 1
c inme thy 1 in
chlorimuron ethyl
lac tof en

me tolachlor

EPTC

EPTC+R25788

f luaz i fop

chlorsulfuron

paraquat

ace tochlor

die lof op

gluf os inate

alachlor

me tr ibuz in

1 inuron

1 inuron

clopyral id

cycloate+safener

b if enox

paraquat

seyhoxydin

s imaz ine

pendime thai in

imeze thapyr

f omesaf en

glyphosate

imazaquin

c loproxydin

me tr ibuz in

e thalf lural in

HOE 39866

AC 263,499

seve ral

Union Carbide

DuPont

Sandoz

BASF

Nor -Am

several

DuPont

Rhom & Haas

Union Carbide

Rhone - Poulenc

DuPont

DuPont

PPG

FMC

CIBA-GEIGY

S tauf f er

S tauf f er

ICI

DuPont

ICI

Monsanto

Hoechst-Roussel

Hoechst-Roussel

Monsanto

DuPont

Griffin

DuPont

Dow

S t auf f er

Rhone - Poulenc

Chevron

BASF

CIBA-GIEGY

Am Cyanamid

Am Cyanimid

ICI

Monsanto

Am Cyanamid

Chevron

Mobay

Elanco

J

214

APPENDIX A (cont . )

HERBICIDES EVALUATED IN 1987

TRADE NAME

COMMON NAME

EXP. #

COMPANY

S tarane

Surf Ian

Sutan Encap

Sutan +

Tackle

Tandem

Tref Ian

Weedone/Weedar ect

Verdict

Vernam

Whip

As sure

f luroxypy r

oryzal in

buty late

butylate+R25788

acf luor f en

tr idiphane

tr if lural in

2,4-D

haloxyfop methyl

verno late

f enoxaprop

Cyc loxydim

quizalo fop
pyr ida te

BAS- 514

BAS-517

CGA- 180937

DPX-M6316

DPX-Y6202-

PPG- 1259

RS-0102

San 582

SC-0051

SC-0735

SC-0774

SC-0098

SC-29148

38

Dow

Elanco

S tauf f er

Stauf f er

Rhone - Poulenc

Dow

El anco

seve ral

Dow

Stauffer

Hoechst-Roussel

BASF

BASF

CIBA-GIEGY

DuPont

DuPont

PPG

Terra

Sandoz

Stauf fer

Stauf fer

S tauf f e r

Stauf fer

S tauf fer

ADDITIVES EVALUATED IN 1987

ADDITIVE

CLASSIFICATION

COMPANY

Triton AG
Dash (BCH
COC
X-77

Tween 20
10-34-0
28% N
SC-29148

98
815)

surfactant

crop oil

crop oil concentrate

sur f ac tant

sur f ac tant

fluid fertilizer

fluid fertilizer

saf ene r

Rohm & Haas

BASF

several

Chevron

Am Cyanamid

seve ral

several

Stauf fer

215

APPENDIX B

INDEX OF WEED SPECIES REPORTED

ABBREVIATION

COMMON NAME

BOTANICAL NAME

ANBG
ANMG
COCB
COCH
CODA
COLQ
CORW
COSF
EBNS
FAPA
GIFT
GIRW
HOWE
ILMG
JIWE
LACG
PESW
PRLE
PRSI
RRPW
SHCA
SHPU
SMPW
TAMG
TAMU
VELE
WIGA

Annual Bluegrass
Morningglory species
Common Cocklebur
Common Chickweed
Common Dandelion
Common Lambsquar ter s
Common Ragweed
Common Sunflower
E. Black Nightshade
Fall Panicum
Giant Foxtail
Giant Ragweed
Hor seweed

Ivyleaf Morningglory
J imsonweed
Large Crabgrass
Penn. Smartweed
Prickly Lettuce
Prickly Sida
Redroot Pigweed
Shatter cane
Sheppardspurse
Smooth Pigweed
Tall Morningglory
Tansy Mustard
Velvet leaf
Wild Garlic

Poa annua
Ipomea species
Xanthium strumarium
S tellar ia media
Taraxacum officinale
Chenopodium Album
Ambrosia ar temis i i f ol ia
Helianthus annuus
Solanum ptycanthum
Panicum dicho tomi f lorum
Se tar ia f aber i
Ambrosia trifida
Conyza canadensis
Ipomea hederacea
Datura stramonium
Digitaria sanguinalis
Polygonum pennsy lvanicum
Lactuca serriola
Sida spinosa
Amaranthus retroflexus
Sorghum bicolor
Capsella bur sa - pas tor is
Amaranthus hybridus
Ipomea purpurea
Descurainia pinnata
Abutilon theophrasti
Al 1 ium vineale

216
APPENDIX C

Table 1. Liquid herbicide combinations for corn and soybeans.

Name and Form
(Company)

Active Ingredients (a.i.)
( lbs a. i ./gal Ion)

FormuLation Equivalents (FEQ)
(gallons FEQ per gallon)

Bicep 6L

(Ciba-Geigy)

Bronco AE
(Monsanto)

Buctril /Atraz ine 3S
( Rhone- Poulenc)

Conquest 4L

(Shell /DuPont)

Commence 5.25E
(FMC)

Extrazine 4L
(Shell)

Laddok 3.33L
(BASF)

Lasso/Atrazine 4L
(Monsanto)

Marksman 3.2L
(Sandoz)

Ramrod/Atrazine 4L
(Monsanto)

Rescue 2.06S
(Uniroyal )

Rhino 4L
(PPG)

Salute 4L
(Mobay)

Squadron 2.33L
(Amer. Cyan.)

Sutazine+ 6L
(Stauffer)

Turbo 8E
(Mobay)

metolachlor + atrazine
(3.33 + 2.67)

alachlor + gl yphosate
(2.60 + 1.40)

bromoxynil + atrazine
(1.00 + 2.00)

cyanazine + atrazine
(3.00 + 1.00)

Trifluralin ♦ FMC 57020
(3.00 + 2.25)

cyanazine + atrazine
(2.67 + 1.33)

bentazon + atrazine
(1.66 + 1.66)

alachlor + atrazine
(2.50 + 1.50)

dicamba + atrazine
(1.10 + 2.10)

propachlor + atrazine
(3.00 + 1.00)

naptalam + 2,4-DB
(2.00 + 0.06)

butylate + atrazine
(4.3 + 1.7)

trifluralin + metribuzin
(2.67 ♦ 1.33)

pendimethalin + imazaquin
(2.00 + 0.33)

butylate + atrazine
(4.80 + 1.20)

metolachlor + metribuzin
(6.55 + 1.45)

Dual 8F. + AAtrex 4L
(0.42 + 0.67)

Lasso 4E + Roundup 4S
(0.65 + 0.35)

Buctril 2E + Atrazine 4L
(0.50 + 0.50)

Bladex 4L + Atrazine 4L
(0.75 + 0.25)

Treflan 4E + Command 4E
(0.75 + 0.56)

Bladex 4L + Atrazine 4L
(0.67 + 0.33)

Basagran 4E + Atrazine 4L
(0.42 + 0.42)

Lasso 4E + Atrazine 4L
(0.62 + 0.38)

Banvel 4S + Atrazine 4L
(0.28 ♦ 0.53)

Ramrod 4L ♦ Atrazine 4L
(0.75 * 0.25)

Alanap 2S + Butoxone 2S
(1.00 ♦ 0.03)

Genate 6.7E + Atrazine 4L
(0.64 + 0.33)

Treflan 4E ♦ Sencor 4L
(0.67 + 0.33)

Prowl 4E ♦ Scepter 1.5E
(0.50 + 0.22)

Sutan* 6.7E + Atrazine 4L
(0.72 + 0.30)

Dual 8E + Sencor 4L
(0.82 + 0.36)

217

APPENDIX C (cont.)

Table 2. Formulated dry herbicide formulations for corn or soybeans

Name and Form

(Company) Form

Active Ingredients
(percentage a.i.)

Formulation Equivalents (FEQ)
(pounds FEQ per pound)

Canopy
(DuPont)

Conquest
(DuPont)

Extrazine
(DuPont)

Gemini
(DuPont)

Lorox Plus
(DuPont)

75DF

90DF

90DF

60DF

60DF

metribuzin + chlorimuron
(64.3 + 10.7)

cyanazine + atrazine
(67.5 + 22.51)

cyanazine + atrazine
(60.0 + 30.0)

linuron + chlorimuron
(55.5 + 4.5)

linuron + chlorimuron
(56.9 + 3.1)

Lexone 75DF + Classic 25 DF
(0.86 + 0.43)

Bladex 90DF + Atrazine 90DF
(0.75 + 0.25)

Bladex 90DF + Atrazine 90DF
(0.67 + 0.33)

Lorox 50DF + Classic 25DF
(1.11 + 0.18)

Lorox 50DF ♦ Classic 25DF
(1.14 ♦ 0.12)

Prozine

70DF

pendimethalin + atrazine

Prowl 4E + Atrazine 4L

(Amer. Cyan.)

(35.0 ♦ 35.0)

(Above are liquids)

Preview

75DF

metribuzin + chlorimuron

Lexone 75DF + Classic 25DF

(DuPont

(68.2 ♦ 6.8)

(0.91 + 0.27)

0
Sutazine

18-6

butylate + atrazine

Sutan 6.7E + Atrazine 4L

(Stauffer)

(18.0 ♦ 6.0)

(Above are liquids)

218
APPENDIX D

MAP SHOWING LOCATIONS OF 198 7 WEED SCIENCE RESEARCH STUDIES IN ILLINOIS.

219

APPENDIX E

RAINFALL SUMMARY FOR THE MONTH OF APRIL

DATE BROWNSTOWN MONMOUTH URBANA

precip precip precip

10 0 0

2 0 0 0.13

3 0 0 0

4 0 0 0

5 0 0 0

6 0 0 0

7 0 0 0.03

8 0 0 0

9 0 0 0

10 0 0 0

11 0 trace 0.47 j

12 0 trace 0.16 j

13 0 . 30 0.29 0

14 1 . 90 0.75 1.21

15 0.15 0.03 0.42

16 0.02 trace 0.25

17 0 0 0

18 0 0 0

19 0 0 0

20 0 0 0

21 0 0 0

22 0 0. 18 0.28

23 0 . 02 0.21 0.04

24 0 trace 0.16

25 0 0 0

26 0 0 0

27 0 0.03 0.39

28 0 0 0

29 0 0 0

30 0 0 0

TOTAL 2.39 1.50 3.54

I

220

APPENDIX E (cont . )

RAINFALL SUMMARY FOR THE MONTH OF MAY

DATE BROWNSTOWN MONMOUTH URBANA

precip precip preclp

10 0 0

2 0 0 0

3 0.82 0.05 0

4 0 trace 0

5 0 0 0

6 0 0 0

7 0 0 0

8 0 0 0

9 0 0 0

10 0 0 0

11 0 0 0

12 0 0.62 0 . 50

13 0 0 0

14 0 0 0

15 0 0.02 0 .02

16 0 0 0

17 0 0 0

18 0.21 trace 1.52

19 0.02 0 0.07

20 0 0.23 0

21 0 0.05 0.10

22 0 0 0

23 0 0 0

24 0 0 0

25 0 0.03 0. 34

26 0.17 0.22 0 . 04

27 0 0 0

28 0 trace 0

29 0 0 0

30 0 trace 0

31 0 0.78 0.57

TOTALS 1.97 1.36 3.16

l

I

221

APPENDIX E (cont . )

RAINFALL SUMMARY FOR THE MONTH OF JUNE

DATE

BROWNSTOWN

MONMOUTH

URBANA

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

precip

0

0
0. 82

0

0

0

0

0

0

0

0

0

0
0.08

0

0
0.02

0
0 . 20
0 . 56

0

0
0 .45

0

0

0

0

0

0

0

precip

0.40

0.05

trace

0

0

0

0

0

0

0

0
0 . 20

0

0

0

0

0

0

0
0. 79
0. 39

0

0

0
0. 20
0.06

0

0
trace
0. 01

precip

0 .01
0. 38
0. 78

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

1 . 17
0

0

0
1 .08

0

0
0 . 02
0 . 92

TOTAL

2 . 13

2.10

4. 36

I

mm

— —

£32.- 58

IK1

|<?87:2-

4gx

1987
Illinois
Weed Science
Research Report
Part II

Department of Agronomy

Agricultural Experiment Station

College of Agriculture

University of Illinois at Urbana-Champaign

.HICULTURE LIBh,

OCT 1 8 19b

NIVERSITY OF ILLIN0-

The University of Illinois at Urbana-Champaign

is an affirmative action/equal opportunity institution.

INDEX

Page

INTRODUCTION j

SUMMARY 3

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

Herbicides for establishment of ladino and alsike clovers 12

Multi-species evaluation with preplant and preemergence

soil-applied herbicides 14

Multi-species evaluation with postemergence herbicides 25

Postemergence herbicide treatments for corn 35

Tridiphane combinations for postemergence weed control in corn ... 37

Evaluation of soybean postemergence herbicide combinations

for control of redroot pigweed and velvetleaf 39

Herbicides for establishing alfalfa 42

Time and method of herbicide application for a reduced

tillage cropping sequence 44

Response of four corn hybrids to reduced rates of clomazone,

imazaquin, imazethapyr, and chlorimuron 48

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

Postemergence broadleaf weed control for soybeans 50

Control of wheat and rye cover crops for no-till corn

and soybeans 54

Herbicides for legume establishment on acreage set-aside

from production 58

Corn and soybeans no-till in oats mulch 60

Fall panicum control 62

Effect of pH, tillage and chlorimuron rate on residual

effect on corn 66

Preemergence and postemergence herbicide screening study 73

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

Herbicides for established alfalfa and red clover 76

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

Weed control for no-till soybeans 78

Herbicides for no-till soybeans 80

No-till corn in alfalfa and mammoth red clover sod 82

Herbicides for establishing alfalfa 84

Herbicides for no-till corn 86

Herbicides for soybeans no-till 88

Control of grass weeds in clover 90

MULTIPLE LOCATIONS

Rotational crop injury potential for corn following clomazone,

imazaquin, imazethapyr and chlorimuron 92

Soybean tolerance to clomazone, imazaquin, imazethapyr, and

chlorimuron (1987) 98

APPENDIX

Weather conditions 100

DeKalb 101

Elwood 104

Monmouth 107

Urbana 110

Perry ' 113

Herbicide terminology H6

Weed terminology H°

Map of research centers H9

- 1 -

INTRODUCTION

This is one of two reports for 1987 research by the weed science staff at
the University of Illinois. Many individuals have been involved with this
research:

State Weed Science Staff
Ellery L. Knake
William S. Curran
David R. Pike

Area IPM Specialists
Robert W. Koethe
Ann M. Carrick

County Extension Advisers
Dale L. Baird
Jeffery C. West
Gary D. Bickmeier

Area Agronomists

Lyle E. Paul

Michael J. Mainz

Glenn A. Raines

M. Gene Oldham

Les V. Boone - Coordinator

Farm Foremen
Dale Harshbarger
David Lindgren
Jay Sutor
Mike Vose
Mike Plotner

Secretaries
Kay Sawyer
Jean Creswell
Linda Ingram

Students

Ronald F. Krausz (Graduate)

Jim Peters

Eric Decker

In addition, inputs have been made by state weed science staff, including
Rex Liebl, Loyd Wax, Ed Stoller, Marshal McGlamery, Diane Anderson and George
Kapusta.

Appreciation is expressed to the administration of the Department of
Agronomy, the Agricultural Experiment Station and others of the College of
Agriculture, particularly for land, facilities, equipment and personnel at the
research centers.

We are also very grateful to the many industry representatives who have
provided valuable suggestions and encouragement. We especially acknowledge:

Don Taylor - CIBA-Geigy Corp.

Rod Dorich - Dow Chemical U.S.A.

Gary Sexson - ICI Americas, Inc.

Barbara Hook - Stauffer Chemical Co. (ICI Americas, Inc.)

Rick Cole - PPG Industries

George Hoffman - Sandoz Crop Protection

R. S. Perry - FMC Corporation

Dan Schroeder - Monsanto

Randy Myers - Mobay Corporation

Brian Freed and Larry Greulach - BASF

Wm. Striegel and Mike Vathakos - Rhone-Poulenc

Robert McKelvey - DuPont

Bryan Gentsch and Fred Arnold - American Cyanamid

- 2 -

Rod Schultz - Elanco
Dewane Bishop and Arthur Fulford - Chevron Chemical Co.

Ed Foland - Uniroyal

Richard Beardmore and Bill Bertges - American Hoechst

Mike McNeely - Northrup King

More than two dozen experiments were conducted at six different locations
in the state with a wide variety of soil and climatic conditions. Land area
used is estimated at about 50 acres. Emphasis is placed on research that will
help farmers operate more efficiently and help to assure safety for their
crops and themselves while conserving their land and energy resources.

Although a variety of weed control practices are considered, considerable
effort is devoted to herbicides since an estimated $350,000,000 worth of
herbicides are used in Illinois by about 90,000 farmers and over 10,000
commercial applicators on about 20 million acres.

As the research results are moved into the technology transfer system,
hopefully the information will be helpful to farmers, dealers, applicators and
others faced by the increasing complexity for making their decisions for
designing weed control programs. Hopefully, the results will also be helpful
to industry as they plan their development strategy for Illinois.

We have attempted to place emphasis on research that will help farmers
obtain broad-spectrum weed control at a reasonable cost. Where we visualize
new needs and opportunities, we attempt to design systems to fit changing
production practices. However, we also continue what might be considered more
routine research to delineate optimum rates of herbicides for each major weed
species. We evaluate crop tolerance and potential for affecting subsequent
crops.

We sincerely appreciate the suggestions, help and support of those
involved with our weed science research program.

- 3 -

SUMMARY

Research included in this report can be divided into several main
categories:

Multi-species trials with soil-applied herbicides.

Multi-species trials for postemergence herbicides.

Postemergence herbicides for corn.

Postemergence herbicides for soybeans.

Herbicides for weed control in small-seeded legumes.

Control of wheat and rye cover crops.

Weed control for conservation tillage systems.

Weed control for land set-aside from corn production.

Persistence studies with Command, Scepter, Pursuit and chlorimuron.

Multi-species trials with soil-applied herbicides

About 20 different hybrids and varieties of major crops are included to
evaluate crop tolerance to herbicides and about 20 weed species are included
to delineate degree of susceptibility to various herbicides and combinations.

For control of grass weeds in soybeans, the dinitroanilines and
acetanilides remain as major considerations in the soil-applied category.
However, Command or Amiben can also provide good grass control and Cinch will
likely be a new addition.

For broadening the spectrum of broadleaf weed control in soybeans,
several new opportunities are emerging. Ivyleaf and tall morningglory are the
two major species of morningglory in Illinois. The two species have generally
responded in a similar manner to herbicides and control with soil-applied
treatments has been a challenge. Although there may be some escapes, the
imidazolinones offer some help in the soil-applied category for control of
morningglory.

Cocklebur has been another challenge in the soil-applied category. The
1987 trials suggest that incorporation can be helpful. Combinations with
Command plus metribuzin or plus an imidazolinone showed promise.

Control of pigweed is relatively easy to achieve, but Command needs help
on it and Cinch is weak. Control of lambsquarters is also relatively easy to
control with most soil-applied treatments, but it can be a challenge for many
of the postemergence treatments.

Velvetleaf may be only partially controlled by some of the soil-applied
treatments such as the imidazolinones. Command offers additional strength on
velvetleaf but rates may need to be a little higher PPI than PRE.

- 4 -

The combination of Treflan and Command as Commence performed relatively
well but results suggested caution in reducing rates of the components.

Caution was also suggested for reducing rates of Pursuit if control of
jimsonweed, velvetleaf, common ragweed, common sunflower, and morningglory is
to be achieved.

The 1987 trials again suggested relatively good activity of the
imidazolinones on eastern black nightshade and that incorporation may not be
necessary if moisture is adequate.

Preview can provide some improvement in broadleaf control compared to
metribuzin alone but help is still needed for grass control. Except for
morningglory and cocklebur, Salute and Turbo performed relatively well.

Of the "coded compounds", CGA-180937 performed in a similar manner as
Dual. While PPG-1259 alone was not outstanding, PPG-4000 appeared to offer
some potential, perhaps for reducing atrazine rates, but additional strength
on grass may be needed. SC-0774 continued to show promise.

Multi-species trials for postemergence herbicides.

These trials included about 40 different hybrids, varieties and weed
species with nearly all of the crops and major annual weed species common to
Illinois.

Observations with Scepter and Pursuit further confirmed the greater
tolerance of corn to Pursuit but the opposite for sorghum with implications
for control of shattercane. Results also suggested good tolerance of alfalfa
and red clover to Pursuit postemergence but some injury from Scepter. The
rate response for most weed species suggested caution in reducing rates.

Good activity of Classic on pigweed, cocklebur, and common sunflower was
indicated. Compared to Classic, Harmony also gave good control of pigweed and
was better on lambsquarters than Classic. The risk of using Preview on
soybeans postemergence, even at a reduced rate, was indicated by about 50%
soybean injury.

Bromoxynil performance generally improved with increased rate and
addition of atrazine. However, when combined with atrazine, the higher rate
may not be necessary for some species under favorable conditions.

Laddok performed quite well on most annual broadleaf weeds but with some
weakness on jimsonweed. In addition to controlling grass, Tandem plus
atrazine gave excellent control of most broadleaf species, perhaps better than
would be expected from this rate of atrazine alone. Results with low rates of
Poast broadcast in corn for grass control were not encouraging.

With Basagran, 0.5 lb/A appeared adequate for some species such as
smartweed and cocklebur but control of some other species such as velvetleaf
can be improved with the 1.0 lb/A rate. Performance of Cobra was similar with
either COC or 28% UAN.

- 5 -

PPG-4000 exhibited activity primarily on broadleaf weeds but control was
improved with the addition of 2,4-D, Banvel, or Bladex.

SC-0051 displayed good activity, particularly on most broadleaf weeds,
and addition of a limited amount of atrazine gave further improvement.

There was a nice rate response with UBI-1237 but little selectivity
except perhaps at a low rate for wheat.

The main strength of BAS-51400 appeared to be on annual morningglory and
common ragweed. The main activity of Lontrel was on broadleaf weeds with
corn, sorghum, oats and wheat showing good tolerance.

With Poast, Dash performed well with no additional benefit from using 28%
UAN in addition to Dash. Results suggested the possibility of some antagonism
when Classic is added to Assure. Fusilade and Select both performed well on
annual grass weeds.

Postemergence herbicides for corn.

Trials with Tandem plus triazines demonstrated good control of both
annual grass and broadleaf weeds. Combinations with Tandem plus atrazine or
Bladex or both gave similar results and gave better control, particularly of
grass, than Bladex alone postemergence. The combination of Tandem plus
Basagran was disappointing when only 0.5 lb/A of atrazine was used but
excellent results were achieved when 2.0 lb/A of atrazine was included.

In trials with Marksman, Buctril plus atrazine, Laddok and PPG-4000
following an earlier treatment of Dual, excellent weed control was achieved
with all. There was no significant difference for COC, 28% UAN or Dash used
with Laddok. Harmony activity on lambsquarters was very slow but addition of
Bladex enhanced control.

In one experiment, where control of giant foxtail was not quite complete,
Tandem plus atrazine complemented the earlier treatment to give excellent
control. An Eradicane plus atrazine treatment could also have benefited from
a Tandem plus triazine treatment to extend control. It may still often be
desirable to use a PPI or preemergence treatment early and then Tandem plus
triazine as needed. However, in this study, a total postemergence approach
with Laddok plus Tandem plus atrazine gave excellent results.

Postemergence herbicides for soybeans.

One of the major purposes of one study was to try and determine optimum
rates of the imidazolinones on some of the major annual weeds - cocklebur,
annual morningglory and velvetleaf. Although some control can be achieved at
reduced rates, best control of all three species was achieved with 0.125 lb/A
Scepter or 0.094 lb/A Pursuit. Control of cocklebur was similar with both
herbicides early, but Scepter provided a longer period of control. However,
Pursuit gave better control of velvetleaf than Scepter. In one trial, Scepter

- 6 -

appeared better than Pursuit for morningglory control but the opposite was
observed at another location.

Similarly with Classic, the 0.125 oz/A rate gave fair control of
cocklebur and velvetleaf, however, control was better with the higher rate of
0.188 oz/A. Although control of morningglory improved with the higher rate,
it was still only fair. For all three species, control was better with
Classic than with Harmony.

With Basagran, Dash generally gave a little better result than COC or 28%
UAN. BAS-51400 as well as Blazer combined with Basagran improved control of
annual morningglory, however rates of 0.025 and 0.25 lb/A, respectively for
BAS-51400 and Blazer, were not adequate for good control. In another trial
0.1 lb/A BAS-51400 gave excellent control of ivyleaf and tall morningglory and
of common ragweed.

Reflex gave good control of cocklebur with good residual activity but was
weak on velvetleaf.

Cobra gave good control of cocklebur and velvetleaf and fair control of
morningglory.

In one trial we attempted to evaluate herbicide combinations for
improving control of pigweed and velvetleaf postemergence. Scepter, Pursuit
and Harmony all provided good pigweed control but some caution was suggested
for reducing rates. Cobra also offered good pigweed control and appeared to
do well in combinations. Some of these herbicides may offer potential with
Basagran for improving pigweed control.

Scepter and Pursuit each gave only partial control of velvetleaf with
Pursuit outranking Scepter. Results suggested the possibility of adding
Basagran or Cobra to Pursuit to improve velvetleaf control. Harmony outranked
Classic for velvetleaf control and there was little benefit from adding other
compounds to Harmony. Amiben at the full 3 lb/A rate gave some of the best
control but combinations with chloramben at reduced rates did not appear
promising.

Herbicides for weed control in small-seeded legumes.

Trials included alfalfa, medium red clover, mammoth red clover, ladino
clover, alsike clover and sweet clover. Emphasis was placed on the potential
for these legumes for acreage set-aside from production. However, potential
for legumes for hay and pasture was also considered. One objective was to
explore opportunities for lowering cost of legume seed for set-aside.

Although high quality alfalfa seed may seem a little costly, some types
are less expensive and alfalfa may be easier to establish and provide good
longevity. Creeping type alfalfa may provide very good longevity and might be
explored for CRP acres (10 year program). Our experiences with mammoth red
and medium red clover have been similar and mammoth may have some cost
advantage. Although longevity may not be as great as for alfalfa, our
experience in 1987 indicated potential for red clover to reseed naturally.

- 7 -

The potential for production of red clover seed subsequent to set-aside and
the possibility of modifying ASCS regulations to allow clover seed production
may be worth exploring further.

Since ladino and alsike seed are very small and there are a lot of seeds
per pound, relatively few pounds of seed are needed per acre and this may
present some potential for reducing seed cost, especially with alsike.
However, since the seed are quite small, more careful management may be
required for seedbed preparation and method and time of seeding.

Eptam and Genep offer relatively good legume tolerance. Eradicane could
offer a good alternative if priced similarly and if adequately labeled. The
EPTC of these three can offer help on nutsedge and quackgrass as well as some
annual broadleaf weeds in addition to controlling annual grass weeds quite
well. Considering their benefits, they can be quite cost effective and might
be promoted more for legume establishment.

Balan also provides good legume tolerance and can be quite effective
where annual grass is the primary concern. Treflan, Sonalan and Prowl can all
provide control of annual grass and a few annual broadleaf weeds although
legume tolerance is not quite as good as with EPTC or Balan. Prowl may have a
little tolerance advantage. And cost would be quite reasonable. However,
Treflan is the only one of these three that has had some labeling for such
use.

In the past, EPTC has generally been incorporated. And previous studies
with the dinitroanilines indicated significant legume injury with Prowl or
Surflan surface applied, thus limiting the dinitroanilines to incorporation.
If a herbicide were available for surface application initially, it might
permit mixing of seed with herbicide and fertilizer. Preliminary studies
suggested that Cinch may have some potential as a preemergence for small
seeded legumes. However, 1987 studies indicated inadequate tolerance for most
of the clovers and questionable tolerance for alfalfa with good tolerance in
one trial and some injury in another.

An encapsulated formulation of EPTC or impregnation of EPTC on dry
fertilizer might allow surface application. With this approach in 1987, the
encapsulated formulation gave only fair grass control. With impregnation,
grass control was very good but control of nutsedge much poorer than with
incorporation. Alfalfa tolerance remained good but tolerance of some of the
clovers may merit further attention. Possible potential was suggested for
mixing alfalfa seed with dry fertilizer impregnated with EPTC and applying the
mixture ahead of corrugated rollers that would firm the mixture into the soil.

Studies with Fusilade, Poast, Whip, Select, Assure, and Verdict further
confirmed the potential for such herbicides to control grass weeds for
successful legume establishment. Observations suggested that the "nurse crop"
effect from a small grain or weeds like foxtail might sometimes actually be
beneficial early if then adequately controlled. Where the postemergence
herbicides were used very successfully in 1986 for alfalfa and red clover
establishment, the benefits were still very vivid and dramatic in 1987.

For broadleaf weed control to establish legumes, 2,4-DB remains the
primary herbicide. Although a little antagonism might sometimes be possible

- 8 -

when 2,4-DB is mixed with a postemergence herbicide for grass control, this is
not considered a significant problem. In an attempt to reduce costs, 2,4-D
amine was tried as a substitute for 2,4-DB on ladino and alsike clovers.
While ladino and alsike appeared to tolerate 0.25 lb/A 2,4-D amine fairly
well, 0.5 lb/A caused significant injury of seedlings. Established stands may
be more tolerant. Trials with bromoxynil were not encouraging. Scepter
caused significant injury preemergence and postemergence for new seedings of
alfalfa and red clover. It also caused injury to established stands of
alfalfa and red clover. Although Pursuit gave significant injury to alfalfa
and red clover when soil-applied, it appeared to have good potential
postemergence on new seedings or established stands. Ladino and alsike also
appeared to have relatively good tolerance with Pursuit giving good control of
pigweed and suppression of yellow nutsedge but demonstrating weakness on
lambsquarters and velvetleaf.

Although many farmers are hesitating to invest in weed control for
legumes, some progressive farmers, very conscientious about weed control, have
even sought treatments for established legumes. If good management, including
good weed control, is used the first year and a good competitive legume stand
is established, this can help considerably to control weeds. However, for
weed control in established alfalfa and red clover we evaluated Prowl,
Surf Ian, Lasso, Dual, Cinch, Scepter, Pursuit, Princep and metribuzin. All
gave relatively good weed control but Scepter gave significant injury to both
clover and alfalfa. Metribuzin also gave injury, probably due to the
relatively late date of application.

Postemergence applications of Poast, Fusilade and Whip gave good annual
grass control in established legumes and would have the advantage of not
treating until a problem is evident. Roundup at relatively low rates was
effective but some injury to both alfalfa and clover was noted.

Control of wheat and rye cover crops.

Wheat or rye may sometimes be used as cover crops to protect the soil
from erosion. This provides potential for no-till corn or soybeans by using
herbicides to kill the wheat or rye. Similarly, when there is an inadequate
stand of the wheat or rye due to unfavorable weather or other factors, some
farmers ask how they can finish killing the small grain crop to no-till plant
corn or soybeans.

In our 1987 trials for corn in wheat and rye, Gramoxone or Roundup with
atrazine gave the best control of the wheat and rye. Bladex was not as
effective as atrazine and the triazines alone did not give the best control.

For soybeans, Roundup gave excellent control of wheat at 1.0 lb/A with
control decreasing at lower rates. The 1.0 lb/A rate of Roundup gave the best
control of rye. Ignite was not as effective as Roundup. Fusilade, Assure,
and Verdict gave good control of wheat. Poast, Whip and Select were less
effective. Rye was generally more difficult to control than wheat but Roundup
or Gramoxone had relatively good activity.

- y -

Weed control for conservation tillage systems.

With continuous no-till corn, fall panicum frequently becomes a
problem. Long-term trials with panicum were continued. Some modest tillage
or periodic tillage has helped considerably for panicum control. Use of an
acetanilide or simazine provides a good start for panicum control followed by
Bladex early postemergence to control escapes. Addition of Prowl to Bladex
postemergence can help to extend length of control. Tandem plus Bladex
performed well as an early postemergence treatment following an acetanilide or
simazine.

For no-till corn in clover sod, atrazine or Bladex or a combination of
the two have generally given good control of clover. For alfalfa or clover, a
combination of 2,4-D and dicamba has given good control. Appropriate amounts
of triazines and acetanilides can be added, if needed,' for preemergence
control of annual weeds.

For no-till corn in oats mulch, Conquest or Eradicane plus atrazine
impregnated on dry fertilizer were the two best treatments. For no-till
soybeans in oats mulch, Preview complemented with Lasso EC, Lasso Microtech,
Dual or Cinch allowed good success.

For no-till soybeans there are four main considerations: burndown of
grass weeds, burndown of broadleaf weeds, residual control of grass and
residual control of broadleaf weeds. In addition to control of annual weeds,
some attention may be needed for perennials. Roundup or Gramoxone have
generally provided good options for burndown of most annuals and some
perennials. In 1987 trials, burndown of annual grass was achieved with
Gramoxone, Roundup, Verdict, Assure and Select. Fusilade and Poast are also
possibilities. Verdict at an adequate rate and perhaps Select appear to offer
residual control of grass as well as burndown. Preview and Lorox Plus
provided good control of annual broadleaf weeds, having both burndown and
residual. Lorox Plus did not provide as much burndown of grass as
anticipated. Addition of herbicides such as Verdict and Assure to Preview and
Lorox Plus improved grass control significantly. Addition of 2,4-D to Scepter
and Pursuit enhanced control of lambsquarters. Although Lasso, Dual, Prowl
and Surf Ian can provide preemergence grass control, the need for burndown
should not be neglected. Bronco was able to fill this role early. The
longevity of Dual is also a consideration. Lorox Plus gave fairly good
control of horseweed and combinations including Preview did even better. The
combination of Bladex plus Dual plus 2,4-D gave good broad spectrum control
and was one of the best treatments.

Weed control for land set-aside from production.

Many farmers have seeded oats on their set-aside land. In general, they
seem to be doing a better job of seeding than a few years ago. However, where
the oats seeding is not uniform and sufficiently dense or the oats not mowed
or disked, weeds have proliferated drastically in many fields. Additional
weed seeds and some new species have been introduced where oats were not
adequately cleaned. However, in 1987, an increasing number of farmers allowed

- 10 -

oats to mature and then disked the field to help control weeds while also
moving the oats seed into the soil to enhance germination. Where moisture is
adequate, a very dense stand of oats can develop to help control weeds. The
oats is killed by the cold of winter but can provide a dense protective
cover. Where we tried this approach in 1986 and planted corn and soybeans in
the dead oats mulch in 1987, we were fairly successful with some treatments.

Sorghum-sudan can provide considerable shade and good weed control.
However, it may present somewhat of a challenge for mowing or tillage. And
since the seed may not be completely sterile, volunteer plants have sometimes
appeared the following year.

Winter wheat seeded in the spring has been used by some farmers and it
can offer relatively good weed control. But in wheat producing areas there
are disease and insect considerations.

An increasing number of farmers are seeding alfalfa or clover on set-
aside. These legumes can improve soil structure, add nitrogen, provide
protective cover for the soil and wildlife and aid in weed control. Our
research during the past several years has indicated the convenience and
economic feasibility of seeding legumes on set-aside and using herbicides to
aid in weed control during establishment. We have had good success with Eptam
and Genep with potential also for Eradicane. Balan has performed well and
Treflan in a similar manner at lower cost. Prowl and Sonalan have also
demonstrated potential. Poast is already cleared for use on alfalfa even
where it is to be used for forage and both Poast and Fusilade are cleared for
"set-aside". We have had some excellent results from these as well as with
Whip, Select, Assure and Verdict for control of giant foxtail, our major
annual grass species, as well as control of some other grass species. Farmers
can benefit from use of herbicides for establishing legumes in a similar
manner as they benefit from using them in corn and soybeans. The opportunity
exists but encouraging greater adoption of this practice remains a challenge.

Persistence studies with Command, Scepter, Pursuit and chlorimuron.

These studies are still in progress, but preliminary results suggest
rather definite relationships for the chlorimuron in Preview, Lorox Plus and
Classic. As pH and rate are increased, the risk of persistence and effect on
corn and some other crops following soybeans increases. Applications should
be accurate and uniform and label precautions adhered to. Since the rates for
Classic postemergence mean less chlorimuron than with Preview and Lorox Plus
soil applied, risk of carryover problems are expected to be less.

Carryover of Command can occur, especially if excessive amounts are
applied and applications are not accurate and uniform. Fortunately, symptoms
can be quite dramatic. Effect can range from some plants dieing where
excessive amounts exist to plants outgrowing the early season injury rather
well. Label precautions should be considered well in advance when planning
cropping sequence.

Carryover of Scepter can occur, but symptoms may sometimes be rather
subtle. Applications should be accurate and uniform and postemergence

- 11 -

applications not made too late. Pursuit appears to present less risk of
injury to corn but more to sorghum.

Use of more than one compound with carryover potential in combinations
may increase risk and additional research is needed. While some of these new
herbicides can offer new help for weed control, considerable precaution is
suggested. In addition to the factors indicated, there are also genetic
differences in hybrids and varieties with some more sensitive than others.

- 12 -

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

Herbicides for establishment of ladino and alsike clovers
Knake, Ellery L. and Lyle E. Paul.

Objective: The primary purpose of this study was to explore ways to
reduce cost of weed control when establishing legumes on land set-aside from
production.

Procedure: Plots were established in 1987 at the Northern Illinois
Agronomy Research Center near DeKalb, Illinois, on area SW500 with Drummer
silty clay loam and Flanagan silt loam having 5 to 6% organic matter.
Fertilizer applied the previous fall was 120 lb/A P2Oc and 120 lb/A K20. The
field was plowed and disked once in early spring followed by use of a field
cultivator with harrow on April 20. Preplant incorporated herbicides were
applied between 10:30 and 11:30 a.m. on April 28 and incorporated using a
tandem disk and harrow twice. The cinmethylin treatment was surface applied
at 5:00 p.m. the same day. A tractor mounted compressed air spray unit was
used with flat fan nozzle tips, 28 psi pressure and 3 mph to give 25 gpa.
Postemergence treatments were applied 3:00 to 4:00 p.m. on June 23 with the
same spray unit and three replications were used. At time of treatment,
clover was 3 inches tall with three trifoliolate leaves, redroot pigweed was
12 inches tall, Pennsylvania smartweed 10 inches, yellow nutsedge 10 inches,
velvetleaf 8 inches and quackgrass 12 inches. The 2,4-DB and 2,4-D were
dimethylamine salt formulations. Ratings were visual estimates on June 22 for
the preplant and preemergence treatments and July 9 for the postemergence
treatments.

On April 28 the air temperature ranged from 37 to 64°F and bare soil
temperature at 4 inches was 54 to 57°F. Wind was NNW at 3 mph and sky was
clear. Relative humidity was 35-70% and soil was moist. There was 1.53
inches of rain the previous week and 0.49 inch the following week. On June 23
the air temperature was 55 to 86°F and bare soil temperature at 4 inches was
74 to 76°F. Wind was calm and sky was clear. Humidity for the day ranged
from 47 to 100%. There was 0.2 inch of rain the previous week and 0.42 inch
the following week. Soil was dry.

Results: For the soil-applied treatments, ladino clover was suppressed
slightly by EPTC and benefin and a little more by trifluralin, ethalf luralin
and pendimethalin. Results were similar for alsike clover with benefin having
the best crop tolerance. Surface-applied cinmethylin caused excessive injury
to both ladino and alsike clovers. EPTC gave good control of yellow nutsedge
and quackgrass and excellent control of giant foxtail. Addition of dichlormid
to EPTC had no significant effect on crop tolerance or weed control. While
the dinitroaniline herbicides did not control giant foxtail as well as EPTC,
they gave better control of pigweed. Smartweed control was only fair to poor
with the soil-applied treatments.

With the postemergence treatments, ladino and alsike both exhibited good
tolerance to 2,4-DB. While 0.25 lb/A 2,4-D caused only slight injury, the 0.5

1J -

lb/A rate caused significantly more injury, especially for alsike. Ladino was
less tolerant than alsike to bromoxynil but both were injured. Both ladino
and alsike exhibited relatively good tolerance to imazethapyr and it
suppressed nutsedge as well as controlling large pigweed. The check plot was
treated with fluazifop-P and it provided excellent tolerance for the clovers
and gave good control of annual grass and quackgrass. (Dep. of Agronomy,
University of Illinois, Urbana)

Table.

Herbicides
and Paul)

for establishment of ladino and alsike clovers.

(Knake

Injury

Control

Treatment

Rate Ladino Alsike Gift Pesw Rrpw Yens Qugr

(lb/A)

(%)

PPI

EPTC + dichlormid

3.0

10

20

100

30

70

90

90

EPTC

3.0

10

20

100

30

70

90

90

Benef in

1.5

10

0

90

30

95

0

0

Trifluralin

1.0

20

20

90

60

95

0

0

Ethalfluralin

1.0

15

20

90

70

100

0

0

Pendimethalin

1.0

20

15

80

45

90

0

0

PRE

Cinmethylin

1.5

90

95

100

0

0

20

0

POST

2,4-D amine

2,4-D amine

Imazethapyr

Bromoxynil

2,4-DB

2,4-DB

0.25

5

0.5

25

0.094

7

0.38

82

0.25

0

0.5

0

7
38

5
35

0

0

LSD (0.05) for POST

2.9

11

- 14 -

Multi-species evaluation with preplant and
preemergence soil-applied herbicides

Knake, Ellery L., Lyle E. Paul, Jeffery C. West,
Dale L. Baird, and Ann M. Carrick

Objective: The primary purpose of these trials was to evaluate crop
tolerance and weed susceptibility for most of the crops and annual weed
species common to Illinois. A variety of herbicides and herbicide
combinations were included. Both current and experimental herbicides are
included with half of the treatments preplant incorporated and half surface-
applied preemergence.

Procedure:

The evaluation was conducted at the Northern Illinois

Agronomy Research Center near DeKalb, Illinois on Drummer silty clay loam with
5 to 6% organic matter. The field is in a high state of fertility. The area
was moldboard plowed the previous summer after a similar trial. On April 20,
1987, a field cultivator with harrow was used once and PPI treatments applied
between 8:30 and 10:00 a.m. on April 21. These were then incorporated using a
tandem disk and harrow and then a field cultivar and harrow. All crop and
weed species were then planted using a conventional planter for corn,
soybeans, sorghum, Austrian winter pea and Tangier flat pea. The wheat and
oats were seeded with a grain drill. Cocklebur was planted in hills with a
hand corn planter and the remaining species were seeded with a Brillion
seeder.

Rainfall of 0.53 inch on the evening of April 21, followed by 0.89 inch
on April 22 and 0.11 on April 23, delayed application of the surface-applied
preemergence treatments until april 28 when they were applied between 7:30 and
9:30 a.m. This application was followed by 0.49 inch of rain on May 2 with no
further significant rainfall for the next two weeks.

A tractor mounted compressed air spray unit was used with flat fan nozzle
tips, 28 psi pressure and 3 mph to give 25 gpa. The seeding had been done in
a N-S direction and herbicides applied in an E-W direction to plots 10 ft x
150 ft. Crop tolerance was rated May 27 and weed control on June 3 and 4 by
visual estimate.

Conditions at time of herbicide application:

April 21 April 28

Air temperature °F - Range for the day
Bare soil temperature @ 4" - °F -

Range for the day
Wind speed (mph) and direction
Sky - % cloud cover

Relative humidity - % - Range for the day
Rainfall previous week - inches
Rainfall following week - inches

40-61

37-64

56-59

54-57

15 N

0-3 WNW

10

5

57-100

35-70

0.75

1.53

1.53

0.49

- 15 -

Results: Degree of crop injury and weed control are reported in the
table. The preplant incorporated treatments generally performed quite well.
Although application of the surface-applied treatments was delayed for a week
after planting, they also generally performed quite well. This suggests that
delaying application until after weed seeds have germinated and the weeds are
about to emerge is a feasible time for application, providing field conditions
permit.

For corn, the PPI treatments caused greater injury than the preemergence
treatments, but it should be noted that the majority of the treatments were
for soybeans rather than corn. This suggests at least partial control of
volunteer corn with PPI treatments of many of the herbicides for soybeans.
The degree of injury to grain sorghum and the degree of shattercane control
with treatments that included a dinitroaniline and imazethapyr suggest good
potential for control of some of the sorghum complex. Soybeans generally
exhibited relatively good tolerance to herbicides intended for soybeans but
some caution was occasionally suggested for combinations that included both
metribuzin and clomazone. Soybean tolerance appeared to be better with the
surface-applied than with the PPI treatments. This was also true for Austrian
winter pea and Tangier flat pea. These two introductions had relatively good
tolerance to trifluralin, ethalf luralin, alachlor, metolachlor, imazaquin,
imazethapyr, and chloramben. However, they appear to be less tolerant of
metribuzin than soybeans.

Most treatments gave suppression of wheat and oats but seldom complete
kill. Most treatments injured alfalfa and red clover significantly except for
trifluralin alone. Although imazethapyr caused less injury than imazaquin,
injury was still considered sufficient to preclude use soil-applied for new
seedings of alfalfa or red clover. Control of annual grass weeds was
generally good with all PPI treatments that included a dinitroaniline, an
acetanilide or clomazone. The surface-applied treatments were, in general,
slightly less effective on the annual grasses. The deficiency of imazaquin
and imazethapyr on grass was largely overcome by combinations with a
dinitroaniline, an acetanilide, cinmethylin or clomazone. Pigweed control was
relatively good except for clomazone. Observations suggested some caution for
combinations with clomazone if the rate of the other component is too low for
good pigweed control. Imazaquin, imazethapyr and metribuzin plus chlorimuron
all demonstrated excellent strength on pigweed. Observations on July 10
indicated weakness of the imidazolinones on lambsquarters.

Although clomazone did very well on velvetleaf, observations suggested
caution in reducing rate too low in combinations for incorporation which may
cause dilution. For example, 0.84 trifluralin plus 0.64 clomazone may need to
be increased for more consistent control of both pigweed and velvetleaf. Of
the imidazolinones, imazethapyr gave better control of velvetleaf than
imazaquin and AC-263,222 better than imazethapyr. Complete control of
jimsonweed appeared a little difficult to achieve but combinations with
clomazone and metribuzin helped.

Good control of cocklebur was difficult to achieve. However, incorpora-
tion helped and combinations with both metribuzin and clomazone at adequate
rates did rather well. The imidazolinones were helpful when incorporated.
The morningglory was primarily ivyleaf but some tall. Over the years, the

- 16 -

response of these two has been quite similar in our trials. Although
morningglory has been quite difficult to control with most soil-applied
treatments, the imidazolinones offer some new hope. Rates need to be
relatively high. Control appears rather erratic with some plants severely
stunted but a few may survive and grow rather well. In these trials, surface
applications may have had a little advantage over incorporated treatments with
some dilution. Addition of a dinitroaniline may be helpful and a combination
of 0.063 imazethapyr plus 0.036 of AC 263,222 was one of the better treatments
in this trial for control of morningglory.

For eastern black nightshade, the imidazolinones did well either incor-
porated or on the surface. For common sunflower, imazaquin and imazethapyr
gave relatively good control if rates were adequate. Metribuzin and
metribuzin plus chlorimuron gave some help on sunflower while clomazone did
not give good control. For common ragweed, control was somewhat marginal and
adequate rates appeared important. Clomazone, metribuzin, and metribuzin plus
chlorimuron generally gave relatively good control of common ragweed and
imazaquin and imazethapyr were effective. AC-263,222 at 0.36 was not
adequate.

Reviewing some of the specific herbicides and combinations, clomazone was
quite effective on most annual grasses PPI , but was a little more marginal
applied to the surface. Control of velvetleaf was excellent but it was weak
on pigweed. Control of jimsonweed and common ragweed was a little marginal.
It did not give good control of ivyleaf morningglory, common sunflower or
eastern black nightshade but did well on lambsquarters. The combination of
clomazone plus trifluralin improved pigweed control but care should be taken
to maintain adequate rates for this combination incorporated to maintain both
pigweed and velvetleaf control. Adding metribuzin to clomazone gave good
control of pigweed and this combination was one of the best on cocklebur but
with a little increased risk of soybean injury. Adding imazethapyr to
clomazone improved pigweed control while helping imazethapyr with grass
control and maintaining good soybean tolerance.

Combining clomazone, metribuzin, metribuzin plus chlorimuron or
imazethapyr with ethalf luralin broadened the control spectrum but control of
pigweed and velvetleaf may be marginal for some of these combinations,
especially with incorporated treatments if adequate rates are not maintained.

Combining clomazone with imazaquin or imazethapyr can improve velvetleaf
control while helping clomazone with pigweed, morningglory and cocklebur.

Adding metribuzin or metribuzin plus chlorimuron to clomazone can enhance
pigweed control and improve cocklebur control but rates need to be adequate
and there may be some increased risk of soybean injury.

Trifluralin combined with metribuzin plus chlorimuron performed well
except for control of cocklebur, annual morningglory and nightshade. Adding
imazethapyr to trifluralin can help broaden the spectrum to include nightshade
and give some help on morningglory but there may still be some weakness on
cocklebur and velvetleaf.

Trifluralin plus metribuzin performed well except for nightshade,
morningglory and cocklebur. Adding clomazone for a three-way had little

- 17 -

advantage. Adding imazethapyr to trifluralin plus metribuzin improved control
of nightshade and may help on morningglory.

Chloramben at 1.35 lb/A plus clomazone at 0.5 lb/A gave good grass
control but rates were too low for good control of pigweed, velvetleaf and
some other broadleaves. Adding metribuzin at 0.25 lb/A while reducing the
rate of chloramben improved velvetleaf control.

Alachlor or metolachlor added to clomazone provided relatively good grass
control and may help on pigweed, but when incorporated, the clomazone rate of
0.5 lb/A was too low for complete velvetleaf control.

Surface-applied treatments indicated the weakness of imazaquin and
imazethapyr on grass with imazethapyr having a little advantage of the two.
Similarly, imazethapyr was better on velvetleaf. Imazaquin at 0.125 lb/A gave
relatively broad spectrum control of broadleaves with strength on pigweed and
more activity than most soil-applied herbicides on morningglory. However good
control of cocklebur was not achieved. A comparison of 0.031, 0.063 and 0.094
lb/A of imazethapyr indicated a good rate response with 0.094 being superior
on several species. Compared to imazaquin and imazethapyr, AC-263,222
appeared to be more active and at 0.036 lb/A was similar to the higher rates
of the other two for nightshade, cocklebur, jimsonweed, and morningglory but
perhaps poorer on common ragweed. Like imazethapyr, AC-263,222 appeared to be
a little better than imazaquin on velvetleaf, the foxtails and shattercane.
The combination of 0.063 lb/A imazethapyr plus 0.036 lb/A AC-263,222 gave
results similar to 0.063 lb/A imazethapyr alone. The major advantage for
combining alachlor or metolachlor with imazaquin or imazethapyr was improved
grass control.

Although performance of cinmethylin plus metribuzin and chlorimuron was
fairly good, cinmethylin plus imazethapyr was superior and was one of the best
treatments.

Although clomazone is no longer approved for surface application, it was
included in this manner alone and in combination with metribuzin and with
imazethapyr. Except for morningglory and only partial control of cocklebur
and common sunflower, the clomazone plus metribuzin was a very good
treatment. Use of imazethapyr instead of metribuzin gave similar results
except better control of sunflower and morningglory and incorporation improved
cocklebur control. With reduced rates of 0.75 lb/A clomazone and 0.063 of
imazethapyr being so effective surface-applied or incorporated this
combination appears quite promising.

Metribuzin plus metolachlor performed well except on morningglory and
cocklebur but the 1.64 lb/A metolachlor did appear marginal. CGA-180937
performed in a similar manner as metolachlor with good activity on annual
grasses except fall panicum. Addition of atrazine helped considerably on
broadleaves .

SC-0774 + R29148 gave relatively good control of the foxtails, was very
good on crabgrass, but poor on shattercane. Addition of atrazine improved
control of broadleaf weeds, particularly morningglory.

- 18 -

PPG-1259 gave only fair weed control but PPG-4000 performed relatively
well, especially on nearly all broadleaf weeds except cocklebur. Yellow
foxtail appeared to be more sensitive than giant or green. It did not give
good control of shattercane or fall panicum. Observations on July 10 also
indicated very good control of pigweed, lambsquarters, velvetleaf, jimsonweed,
common ragweed and black nightshade, with control not quite as good for common
sunflower and annual morningglory and less for cocklebur. Some crabgrass was
also present July 10. Addition of metolachlor to atrazine plus PPG-1259 gave
little change except slightly better control of green foxtail and crabgrass.
The degree of improvement in control between PPG-1259 and atrazine plus PPG-
1259 suggested the possibility of synergism since the lower amount of atrazine
would not be expected to give this degree of control. The possibility of
atrazine plus PPG-1259 allowing reduced concern about atrazine residue is an
interesting one. Corn appeared to have good tolerance to PPG-1259 but some
effect was noted on sorghum. The combination of PPG-1259 and atrazine with
butylate plus PPG-1294 gave broad spectrum control of both grass and broadleaf
weeds with relatively good corn tolerance.

Conclusions : Performance of clomazone incorporated was similar to
surface application with good control of annual grass but help was needed for
pigweed, annual morningglory, cocklebur and black nightshade. Addition of
metribuzin added control of pigweed and cocklebur but might present some
increased risk to soybeans. Addition of imazaquin or imazethapyr to clomazone
improved control of pigweed, cocklebur, nightshade and helped some on
morningglory. Addition of a dinitroaniline to clomazone improved pigweed
control and the combination generally performed well except on morningglory
and cocklebur.

Metribuzin in combination with a dinitroaniline or acetanilide generally
performed well except on morningglory and cocklebur. Performance of
metribuzin plus chlorimuron gave relatively good control of most broadleaf
weeds except morningglory, cocklebur, and sunflower but was weak on annual
grass. Addition of cinmethylin improved grass control but the imazethapyr
combination with cinmethylin was even better. Incorporating metribuzin plus
chlorimuron appeared to sometimes improve control of sunflower and cocklebur
and addition of a dinitroaniline improved grass control.

Both imazaquin and imazethapyr offered opportunities to improve control
of pigweed, nightshade and to some degree morningglory but were weak on grass
and sometimes cocklebur. Imazethapyr generally performed better than
imazaquin on velvetleaf and grass weeds, including shattercane. Imazethapyr
plus a dinitroaniline appeared to have good potential for shattercane control.

SC-0774 appeared to have relatively good potential for weed control in
corn. And PPG-4000 also appeared to offer good corn tolerance and good weed
control along with an opportunity for further reducing atrazine rates. (Dep.
of Agronomy, University of Illinois at Urbana-Champaign)

- 19 -

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-25-

Multi-species evaluation with postemergence herbicides

Knake, E. L., Lyle E. Paul, Dale L. Baird,
Jeffery C. West and Ann M. Carrick

Objective: The primary purpose of this study was to evaluate various
herbicides, combinations, rates and adjuvants for post emergence use on major
crops and weed species common to Illinois.

Procedure: The study was conducted in 1987 at the Northern Illinois
Agronomy Research Center near DeKalb, Illinois on Drummer silty clay loam with
5 to 6% organic matter. The field is in a high state of fertility. The area
was in corn the previous year and was moldboard plowed after harvest. On
April 20, 1987 a field cultivator with harrow was used to prepare the seedbed
and all crops and weeds seeded April 21. A conventional planter was used for
corn, soybeans, sorghum, Austrian winter pea and Tangier flat pea. The wheat
and oats were seeded with a grain drill. Cocklebur was planted in hills with
a hand corn planter. the alfalfa, clover and remainder of the weed species
were seeded with a Brillion seeder.

Postemergence herbicides were applied May 29 between 7:00 and 9:30 a.m.
A tractor mounted compressed air spray unit was used with flat fan nozzle
tips, a pressure of 25 psi and a speed of 3 mph to give 25 gpa.

Conditions on the day of herbicide application were:

Air temperature °F - Range for the day 62-84

Bare soil temperature @ 4 inches - Range for the day 66-69

Wind speed and direction 0-5 S

Sky - % cloud cover 0.0

Relative humidity - % - Range for the day 44-97

There was .38 inch of rain during the week prior to spraying and .64 inch
during the week after. Ratings were made for corn, sorghum and soybeans on
June 19 and the remainder were rated June 20-21. Ratings were visual
estimates.

Growth stage of plants at time of postemergence application:

Corn

Sorghum

Soybeans

Austrian winter pea

Tangier flat pea

Wheat

Oats

Alfalfa

Red clover

Giant foxtail

Yellow foxtail

Height - inches

Number of

(free-stand

ing)

true leaves

9

8

6

5

5

3

9.5

18

8.5

23

5

18

10.5

6

4

9

2.5

3

6

4

3.5

4

-26-

Green foxtail

Large crabgrass

Barnyardgrass

Shattercane

Pigweed

Lambsquarters

Velvetleaf

Jimsonweed

Smartweed

Common ragweed

Common sunflower

Ivyleaf morningglory

Cocklebur

4
2.5

5

4.25

1.5

1.75

2.0

3.5

4.0

1.0

2.75

2

3.75

6
3
4
8
6
9
5
5
6
6
6
4
6

Results: Evaluating three rates each of imazaquin and imazethapyr
indicated less injury to corn from imazethapyr but greater injury to
sorghum. Although soybeans were tolerant of both, imazaquin injured Austrian
winter pea and Tangier flat pea. Oat tolerance was similar for the two but
wheat injury was greater with imazethapyr. Red clover was injured by
imazaquin and alfalfa to a lesser degree. Both red clover and alfalfa
displayed good tolerance to imazethapyr. Cocklebur control was slightly
better with imazaquin but not complete. Control of annual grasses was better
with imazethapyr but not complete except for shattercane. Pigweed control was
similar with the two and quite good but both were poor on lambsquarters.
Control of velvetleaf was best with imazethapyr but still only fair and the
same was true for jimsonweed. Imazaquin appeared better but only fair on
annual morningglory. Both were good on common sunflower at the highest rates
but only fair on common ragweed.

UBI 1237 gave a good rate response with significant injury to nearly all
crops. Most broadleaf weeds were controlled with 0.031 lb/A and grasses with
0.125. Soybeans and wheat had good tolerance to chlorimuron but corn was
injured and sorghum more so. It provided good control of pigweed and
cocklebur at the higher rate and controlled common sunflower but it was poor
on grasses, lambsquarters and morningglory and only fair on velvetleaf. DPX-
M6316 also did well on pigweed and was better than chlorimuron on
lambsquarters but also did poorly on grass.

Clopyralid controlled several broadleaves, including cocklebur, common
sunflower, common ragweed, jimsonweed, clover and alfalfa. The higher rate of
bromoxynil was preferable and addition of atrazine improved control of several
broadleaf weeds. Tridiphane plus atrazine gave good control of grass weeds
and very good control of most broadleaf weeds. Although it has been promoted
primarily for grass control, this treatment performs very well on broadleaves
while allowing use of a modest rate of atrazine. Bentazon plus atrazine gave
very good broadleaf weed control. Adding low rates of sethoxydim to bentazon
plus atrazine did not give good grass control and caused corn injury. Main
strengths of BAS-51400 were control of common ragweed and morningglory but it
caused injury to both corn and soybeans.

Corn had good tolerance to PPG-1259 but weed control was poor. Corn had
good tolerance to atrazine plus PPG-1259 and it gave fairly good control of
some broadleaf weeds including pigweed, lambsquarters, morningglory and common

-27-

ragweed. Adding 2,4-D or cyanazine to PPG-1259 improved control of most
broadleaf weeds except for jimsonweed with 2,4-D, and pigweed with cyanazine.

SC-10051 gave good control of lambsquarters , velvetleaf, jimsonweed and
common ragweed with addition of atrazine improving control of pigweed
morningglory and sunflower.

Comparing the 0.5 and 1.0 lb/A bentazon, the lower rate appeared adequate
for cocklebur and smartweed but the higher rate had some advantage for
velvetleaf, jimsonweed, sunflower, and lambsquarters while neither rate gave
good control of pigweed or morningglory. The degree of bentazon injury to
clover and alfalfa would appear to preclude use for weed control in
establishing these legumes. Acifluorfen did fairly well on pigweed and common
ragweed but was weak on cocklebur and did not give good control of velvetleaf
and lambsquarters. Lactofen performed about the same with either COC or 28%
UAN, giving good control of pigweed and common ragweed as well as being fairly
good on velvetleaf and jimsonweed.

Applied postemergence, clomazone caused a little injury to corn, but not
to soybeans and it suppressed most grasses with wheat being affected less than
oats. It also suppressed most broadleaf weeds but had little effect on
morningglory.

DPX-Y6202-31 killed corn, sorghum, wheat and oats and controlled grass
weeds, but when chlorimuron was mixed with it, some antagonism was noted on
some grass species, particularly oats. Sethoxydim performed better with Dash
than with COC and there was no advantage for adding 28% UAN to Dash.
Clethodim gave good control of grass weeds but was not quite as good as
fluazifop-P on "volunteer" corn. Mixing reduced rates of sethoxydim and
fluazifop-P gave control about equal to that of a higher rate of fluazifop-P
alone except control of "volunteer" corn was reduced.

Conclusions ; With better corn tolerance and the likelihood of less risk
of residue with imazethapyr than with imazaquin plus some advantage on grass
weeds and velvetleaf, imazethapyr appears to have some advantage over
imazaquin. Results suggest reduced weed control with reduced rates below
0.125 imazaquin and 0.094 imazethapyr. Imazethapyr also shows promise for
weed control in small seeded legumes. UBI 1237 has significant herbicidal
activity but little selectivity except perhaps on wheat. Chlorimuron has good
strength on pigweed, cocklebur, and sunflowers and the higher rate appears
advantageous. DPX-M6316 has some advantage on lambsquarters. Metribuzin plus
chlorimuron gave weed control somewhat similar to chlorimuron plus better
control of lambsquarters but it caused significant soybean injury. Clopyralid
should have potential for control of broadleaf weeds in small grain and
previous studies indicated good control of alfalfa and clover for no-till
corn. At another location where clopyralid and fluroxypyr were applied in
1986 at rates up to 0.5 and 1.0 lb/A respectively, there was no evidence of
effect on subsequent crops in 1987. Bromoxynil plus atrazine and bentazon
plus atrazine provide good broadleaf weed control with good corn tolerance.
The advantage for tridiphane plus atrazine for improving grass control has
been promoted but similar relationships appear to exist for broadleaf weeds
and this may merit more attention for improving broadleaf control with reduced
rates of atrazine reducing residue concerns. Use of sethoxydim for grass
control in corn did not appear promising.

-28-

While degree of weed control with PPG-1259 alone did not appear
promising, addition of 2,4-D, dicamba or a triazine improved the potential.
SC-0051, primarily for control of broadleaf weeds in corn, showed potential
and addition of atrazine was beneficial. The feasibility of reduced rates of
bentazon depends on the target species. With significant differences in
control of cocklebur, morningglory , velvetleaf, pigweed and lambsquarters
between bentazon and acifluorfen, a combination of the two continues to be
quite logical. Lactofen performed similarly with COC or 28% UAN. While a
combination of DPX-Y6202-31 with chlorimuron may appear logical, some
antagonism was suggested, even with a relatively high rate of DPX-Y6262-31 .
Dash appeared to be an improvement over COC but there was no advantage for
adding 28% UAN to Dash. Clethodim performed well and fluazifop-P continued to
show excellence for control of "volunteer corn." (Dep. of Agronomy,
University of Illinois at Urbana-Champaign)

- 29 -

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-35-

Postemergence herbicide treatments for corn
Knake, Ellery L. , Lyle E. Paul, and David R. Lindgren

Objective: The purpose of this study was to evaluate several current and
new experimental herbicides primarily for control of broadleaf weeds in corn.

Procedure: The study was established in 1987 at the Northern Illinois
Agronomy Research Center near DeKalb on area 1400N. The soil is Drummer silty
clay loam with 5 to 6% organic matter. The experimental design was a
randomized complete block with treatments replicated four times and individual
plots 10 x 50 ft. The previous fall 120 lb/A P205 and 120 lb/A K20 were
applied, and in the spring 140 lb/A nitrogen as anhydrous ammonia. The corn
hybrid 'Pioneer 3475' was planted on April 29 in 30-inch rows for a population
of 28,100 plants per acre. The field had been moldboard plowed and a disk
with harrow used once on April 20 and twice on April 29. On April 30, 2 lb/A
metolachlor was applied to the entire plot area primarily for the control of
annual grass weeds since the treatments to be applied were primarily for
broadleaf weeds. This worked well, leaving predominantly common lambsquarters
but also some velvetleaf and Pennsylvania smartweed, and a small amount of
giant foxtail.

The postemergence treatments were applied May 28 between 8:30 and 10:00
a.m. with a tractor mounted compressed air sprayer with flat fan nozzle tips,
30 psi pressure and 3 mph to give 25 gpa. Corn was 8 inches tall free-
standing and 11 inches with leaf extended and had 5 leaves. Common
lambsquarters was one inch tall with 8 leaves and Pennsylvania smartweed was
1.5 inches tall with 4 leaves. Soil was moist but not wet. Air temperature
ranged from 64 to 85°F and bare soil temperature at 4 inches from 66 to
69°F. Wind was 2 to 8 mph from the south. The sky had 10% cloud cover and
relative humidity ranged from 43 to 95%. There was 0.2 inch of rain the
previous week and 0.73 inch the following week. Weed control ratings were
made by visual estimate on June 3, corn heights were measured June 30 and corn
stalk diameters measured July 1, at the center of the fourth internode.

Results: Dicamba, bromoxynil, or bentazon plus atrazine all gave
excellent control of annual broadleaf weeds. Bentazon plus atrazine performed
well regardless of which adjuvant was used. Cyanazine gave good control of
common lambsquarters and Pennsylvania smartweed but left just a little
velvetleaf. PPG 1259 plus atrazine performed well. DPX-M6316 was the weakest
of the treatments on common lambsquarters, however, the treated lambsquarters
were only about 1 to 3 inches at rating compared to untreated lambsquarters
about 18 inches tall. The higher rate of DPX-M6316 gave better control than
the lower rate and addition of cyanazine helped significantly.

The 2 lb/A rate of metolachlor on the entire area gave about 90% control
of giant foxtail and some of the treatments appeared to give a little
additional giant foxtail control. The bromoxynil treatments caused some
necrosis of corn leaf tissue soon after treatment but by the time of rating,
little effect was evident. (Dep. of Agronomy, University of Illinois,
Urbana)

- 36 -

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-37-

Tridiphane combinations for postemergence weed control in corn
Knake, Ellery L. , Lyle E. Paul, and David R. Lindgren

Objective: The primary purpose of this study was to evaluate tridiphane
in combination with atrazine and cyanazine.

Procedure: The study was established at the Northern Illinois Agronomy
Research Center near DeKalb on Drummer silty clay loam with 5 to 6% organic
matter. Fertilizer consisted of 120 lb/A each of P-Or and K20 applied the
previous fall and 240 lb/A nitrogen as ammonium nitrate applied after
planting. Pioneer 3377 corn was planted in untilled soybean stubble on April
29 in 30 inch rows for a population of 28,100 plants per acre. The corn was
planted about 5 inches to the side of the old soybean rows. Plots were not
cultivated. A randomized complete block design was used with treatments
replicated four times and individual plots 10 ft x 60 ft.

Herbicide treatments were applied May 13 between 1:30 and 2:30 p.m. with
a tractor mounted compressed air spray unit with flat fan nozzle tips, 30 psi
and 3 mph to give 25 gpa broadcast. The 90DF formulations of atrazine and
cyanazine were used. Crop oil concentrate was used at 1 qt/A and X-77 at
0.25% v/v. The plot area had a dense infestation of giant foxtail and
velvetleaf. At time of spraying the giant foxtail was 1 to 2 inches tall with
3 to 5 leaves and velvetleaf was 0.5 to 1.5 inches tall and was from cotyledon
to 3 true leaf stage. Corn was 2.5 inches tall free standing and 4 inches
with leaf extended and had 3 leaves. Weed control ratings were made June 3,
corn heights measured June 30, and corn stem diameter at the center of the
fourth internode on July 1.

Air temperature on May 13 ranged from 36 to 76°F and bare soil

temperature at 4 inches 61 to 64°F. Wind was south at 5 to 10 mph and the sky

had 10% cloud cover. Relative humidity was 48 to 86%. There was no rain the

previous week and soil was dry but there was 3.21 inches the following week.

Results: No significant corn injury was noted from any of the
treatments. Tridiphane plus atrazine or cyanazine or a combination of
atrazine and cyanazine gave very good control of giant foxtail with control
rated 95% or better. These same treatments also gave good control of
velvetleaf averaging 94% or better. Cyanazine alone gave only 80% control of
giant foxtail and 82% control of velvetleaf. Tridiphane plus bentazon and
atrazine at 0.5 lb/A of each gave only 70% control of giant foxtail. This
combination controlled the first flush of velvetleaf but a second flush
appeared. There was also some Pennsylvania smartweed, redroot pigweed, common
lambsquarters, and common ragweed in the untreated check plots but all
herbicide treatments controlled these species. (Dep. of Agronomy, University
of Illinois, Urbana)

- 38 -

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-39-

Evaluation of soybean postemergence herbicide combinations
for control of redroot pigweed and velvetleaf

Knake, Ellery L., Lyle E. Paul, Ann M. Carrick, and Dale L. Baird

Objective: The purpose of this study was to delineate rate response of
redroot pigweed and velvetleaf to several postemergence herbicides.

Prodcedures: The study was established at the Northern Illinois Agronomy
Research Center near DeKalb on Drummer silty clay loam with 5 to 6% organic
matter. The previous fall, 120 lb/A each of P2Cv and K20 was applied. The
area was moldboard plowed and on April 20 was tilled once with a tandem disk
with harrow. On April 29 the same implement was used twice and then redroot
pigweed and velvetleaf seeded in separate strips with a Brillion seeder.
Postemergence herbicides were applied June 4 between 10:00 and 12:00 a.m. with
a tractor mounted compressed air spray unit with flat fan nozzle tips, 30 psi
and 3 mph to give 25 gpa broadcast. Redroot pigweed was one inch tall with 4
leaves and velvetleaf one inch with 3 leaves. On June 4 air temperature
ranged from 48 to 70°F and bare soil temperature at 4 inches 67 to 69°F. Soil
was moist. Wind was 2 to 3 mph WNW and sky was clear. Relative humidity
ranged from 41 to 93%. There was 0.73 inch of rain the previous week and 1.96
inches the following week. A cross-hatch design was used with bentazon,
acifluorfen, chlorimuron, lactofen and fomesafen applied in an E-W direction
and the other treatments in a N-S direction. The E-W treatments were applied
first and then the N-S treatments. The herbicides were not tank-mixed as
combinations but applied separately. No crop was planted in the area. Weed
control ratings were made June 21 by visual estimate. A later rating would
likely have indicated more complete control for some treatments.

Results : Imazaquin and imazethapyr gave similar redroot pigweed control
but imazethapyr appeared slightly more active. Chloramben gave partial
control of redroot pigweed with a definite rate response. DPX-M6316 was more
active than chlorimuron on redroot pigweed and DPX-M6316 gave excellent
control at 0.125 oz/A. Results indicated the weakness of bentazon on redroot
pigweed but control was improved with addition of an imidazolinone or
sulfonylurea herbicide. Field observations suggested the possibility of
bentazon having an antagonistic effect on control of redroot pigweed with
chlorimuron but this was not confirmed. There appeared to be little or no
advantage for adding acifluorfen to the imidazolinones or sulfonylureas.
Lactofen gave good control of redroot pigweed.

For velvetleaf, the imidazolinones did not give complete control but
imazethapyr was more effective than imazaquin. Chloramben gave good control
of velvetleaf postemergence but with a definite rate response indicating the
need for 3 lb/A for best control. The addition of other herbicides to
chloramben did not change the level of control. DPX-M6316 was more effective
than chlorimuron on velvetleaf. There appeared to be little potential for the
other herbicides tested to improve control of velvetleaf with the
sulfonylureas. Acifluorfen appeared to have an antagonistic effect on control
of velvetleaf with chlorimuron or DPX-M6316. The weakness of acifluorfen and
fomesafen on velvetleaf was indicated. (Dep. of Agronomy, University of
Illinois, Urbana)

-40-

Table 1. Percent control of pigweed with herbicide combinations.
Baird)

(Knake, Paul, Carrick, and

Rate

Check

Bentazon
0.5 lb/A

Acif luorfen
0.25 lb/A

Chlorimuron
0.063 oz/A

Lactofen
0.15 lb/A

Fomesafen
0.188 lb/A

(lb/A)

Imazaquin

0.042

80

80

80

85

100

80

Imazaquin

0.083

85

85

90

90

100

85

Imazaquin

0.125

90

90

100

95

100

90

Imazethapyr

0.031

85

90

85

90

100

85

Imazethapyr

0.063

90

95

90

95

100

90

Imazethapyr

0.094

95

100

95

100

100

95

Chloramben

0.75

40

50

40

60

90

40

Chloramben

1.5

60

70

70

80

100

60

Chloramben

3.0

80

90

100

100

100

80

(oz/A)

Chlorimuron

0.063

30

_ —

50

60

100

30

Chlorimuron

0.125

60

—

70

70

100

60

Chlorimuron

0.188

80

—

80

80

100

80

DPX-M6316

0.063

80

80

80

80

100

80

DPX-M6316

0.083

90

90

90

90

100

90

DPX-M6316

0.125

100

100

100

100

100

100

Check

40

30

80

-41-

Table 2. Percent control of velvetleaf with herbicide combinations,
and Baird)

(Knake, Paul, Carrick,

Rate

Check

Bentazon
0.5 lb/A

Acif luorfen
0.25 lb/A

Chlorimuron
0.063 oz/A

Lactof en
0.15 lb/A

Fomesafen
0.188 lb/A

(lb/A)

Imazaquin
Imazaquin
Imazaquin

0.042
0.083
0.125

20
30
40

40
50
60

20
30
40

Imazethapyr
Imazethapyr
Imazethapyr

0.031
0.063
0.094

50
55

60

70
75
80

50
55
60

Chloramben
Chloramben
Chloramben

0.75

1.5

3.0

30
60
90

30
60
90

30

60
90

30

35

35

40

40

40

50

50

50

55

60

55

60

70

60

70

80

70

30

30

30

60

60

60

90

90

90

(oz/A)

Chlorimuron

0.063

30

40

10

Chlorimuron

0.125

40

40

15

Chlorimuron

0.188

50

35

20

DPX-M6316

0.063

50

60

30

DPX-M6316

0.083

70

80

60

DPX-M6316

0.125

90

90

80

40

35

30

50

45

40

60

55

50

60

55

50

80

75

70

90

90

90

Check

40

30

30

30

-42-

Herbicides for establishing alfalfa
Knake, Ellery L., Lyle E. Paul, Ann M. Carrick, and Dale L. Baird

Objective! The primary purpose of this study was to evaluate several
herbicides for weed control for establishing alfalfa.

Procedure: This study was established in 1987 at the Northern Illinois
Agronomy Research Center near DeKalb on a field with Drummer and Harpster
silty clay loam having about 5% organic matter and pH of 7.0 to 8.0.
Fertilizer applied the previous fall after corn harvest was 120 lb/A each of
P2Oc and K2O. The field was moldboard plowed and on April 20 a field
cultivator with harrow was used once. On April 28 a tandem disk with harrow
was used twice for herbicide incorporation and final seedbed preparation. The
PPI herbicides were applied April 28 between 11:00 and 11:30 a.m. and
incorporated immediately. The preemergence treatments were applied between
5:30 and 6:00 p.m. after seeding the alfalfa with a Brillion seeder. A
tractor mounted compressed air spray unit was used with flat fan nozzle tips,
28 psi, and 3 mph to give 25 gpa broadcast. Treatments were replicated four
times in a randomized complete block design with individual plots 10 x 60
ft. Crop injury and weed control ratings were made June 22 by visual
estimate.

On April 28 air temperature ranged from 37 to 64°F and bare soil at 4
inches 54 to 57°F. The soil was moist. Wind was WNW at 5 mph and the sky had
5% cloud cover. Relative humidity was 35 to 70%. There was 1.53 inches of
rain the previous week and 0.49 inch the following week.

Results: Alfalfa exhibited good tolerance to EPTC while the
dinitroanilines caused slight injury and cinmethylin significant injury. All
herbicides gave excellent control of giant foxtail. Partial control of
velvetleaf and of Venice mallow was achieved and EPTC helped to control yellow
nutsedge. (Dep. of Agronomy, University of Illinois, Urbana)

-43-

Table. Herbicides for establishing alfalfa. (Knake, Paul, Carrick, and Baird)

Percent Control

Alfalfa Giant Venice Yellow

Rate Injury Foxtail Velvetleaf Mallow Nutsedge

(lb/A) (%)

Check-Untreated

EPTC + dichlormid

3.0

0

100

Trifluralin

1.0

9

100

Ethalfluralin

1.0

7

100

Pendimethalin

1.0

3

100

Cinmethylin

1.5

23

100

Cinmethylin

3.0

A3

100

73

73

63

10

48

0

8

50

0

38

20

0

83

23

13

93

25

30

LSD (0.05) 11.0 0.4 9.4 12.0 6.7

-44-

Time and method of herbicide application for a
reduced tillage cropping sequence

Knake, Ellery L. , Lyle E. Paul, Ann M. Carrick,
David R. Lindgren, and David R. Pike.

Objective: The purpose of this study was to compare PPI , preemergence
and postemergence applications for weed control in corn and soybeans with
various tillage systems.

Procedure: This long-term study is located at the Northern Illinois
Agronomy Research Center near DeKalb on Drummer silty clay loam with 5 to 6%
organic matter. The study includes two areas planted to corn, two to soybeans
and one to clover. One corn area follows soybeans and tillage consisted of
disking the soybean stubble twice. The other corn area is no-till corn
following red clover sod. For soybeans following corn, one area was chisel
plowed and disked three times while the other was not chiseled and only disked
once. Fertility consisted of 120 lb/A each of PoOc and K20 for the entire
area and 240 lb/A nitrogen as ammonium nitrate for corn. 'Pioneer 3475' corn
was planted April 29, in 30 inch rows for a corn plant population of 28,100
plants per acre. 'Pioneer 9271' soybeans were planted the same day at a rate
of 55 lb/A. Medium red clover was also seeded the same day with a Brillion
seeder.

All PPI treatments were applied between 8:00 and 9:00 a.m. on April 29
and incorporated with a tandem disk with a harrow. Preemergence treatments
were applied between 10:00 and 11:00 a.m. the same day. The only significant
rainfall between April 24 and May 17 was 0.49 inch on May 2. By May 15 the
clover into which corn was planted was only controlled about 70% from the
triazine treatments so 0.25 lb/A dicamba was applied to all of the no-till
corn in clover sod. Attributed to the dry weather, the surface applied
treatment of alachlor plus atrazine had given only fair control so a
postemergence treatment of 0.5 lb/A tridiphane plus 1.5 lb/A atrazine and 1
qt/A COC was added on May 15. The corn plots with only postemergence
herbicides were treated 9:30 to 10:30 a.m. on May 15. All other postemergence
treatments were applied May 28 and May 29 with the herbicides intended for
broadleaf weed control being applied 7:45 to 8:15 a.m. on May 28 and those for
grass control at 10:15 to 11:00 a.m. on May 29. On May 28 rain started at
3:50 p.m. and 0.08 inch fell.

A tractor mounted compressed air spray unit with flat fan nozzle tips was
used for all herbicide treatments. Weed control ratings were made June 22 by
visual estimate. The plots were not cultivated.

-45-

Conditions at time of herbicide application:

April 29 May 15

Air temperature - F° Range for day
Bare soil temperature @ 4" - F°

- Range for day
Wind speed (mph) and direction
Sky - % cloud cover
Relative humidity % - Range for day
Rainfall previous week. - inches
Rainfall previous 2 weeks - inches
Rainfall following week - inches

Growth stage:

42-79

41-66

May 28
64-85

May 29

62-84

55-58

61-64

66-69

66-69

5-10 W

5-10 ENE

0-2 S

5-10 S

5

0

0

20

38-60

39-86

43-95

44-97

1.00

0.00

0.49

0.37

1.53

0.49

3.70

3.78

0.49

3.41

0.65

0.64

ht

ht

ht

ht

in lvs

in lvs

in lvs

in lvs

Corn

Soybeans ( tri f ol iolates)

Clover ( trifoliolates )

Giant foxtail

Redroot pigweed

Lambsquarters

Vel vetleaf

Pennsylvania smartweed

3.0

7.0

4.0

1

1.5

2

1.5

3

3.0

5

0.25

2

1.0

4

1.5

6

0.5

1

1.5

4

1.0

3

2.0

5

7.0

Results : With soybeans most treatments gave good control of broadleaf
weeds. However, weakness of lactofen and chlorimuron on common lambsquarters
was noted. With relatively dry conditions, PPI and postemergence gave better
control of giant foxtail than did preemergence herbicides. Reduced tillage
and only one pass incorporation was associated with less weed control.
Applying lactofen only about one day prior to application of sethoxydim may
have decreased effectiveness of sethoxydim. Postemergence treatments were
advantageous for volunteer corn control.

Where tillage was used for corn, broadleaf control was excellent for all
treatments. The PPI treatment with EPTC and atrazine gave very good early
control but a little giant foxtail was evident later. With the dry
conditions, the preemergence treatment of alachlor plus atrazine did not give
good control early but the subsequent application of tridiphane complemented
the earlier treatment to give excellent giant foxtail control. While bentazon
plus atrazine combined with tridiphane did not give good control in another
study where only 0.5 lb/A atrazine was used, the combination gave excellent
control in this study where atrazine totaled 2.0 lb/A.

For corn in clover sod, the triazines gave only about 70% control of
clover and may have performed better with greater moisture. However, a
subsequent postemergence application of 0.25 lb/A of dicamba as well as
additional moisture resulted in excellent control of the clover. All ratios
of atrazine/cyanazine performed relatively well but as atrazine was decreased

-46-

and cyanazine increased, a little less redroot pigweed control was noted but
perhaps slightly better grass control. Corn grew well in the killed clover
sod but was only 80 inches tall compared to 90 inches for corn with tillage
when measurements were taken July 2.

For establishing clover, EPTC and trifluralin each aided in weed control
with little or no significant clover injury. However, fluazifop-P gave
excellent grass control. Bromoxynil gave good control of broadleaf weeds
except redroot pigweed, but caused severe injury of the clover. (Dep. of
Agronomy, University of Illinois, Urbana)

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-48-

Response

of four

corn

hybrids

to

reduced rates

of

clomazone

, imazaq

uin,

imazetha

pyr

, and

chlorimuron

Curran, WilLiam S. and Lyle E. Paul

Objective: The objective of this experiment was to examine differences
in corn hybrid susceptibility to four new or experimental soybean
herbicides. These herbicides, all used in soybeans, may persist in the soil
and potentially injure a subsequent corn crop.

Procedure: Herbicides were applied preplant and incorporated on May 8,
1987, to a Drummer silty clay loam with a soil pH of 6.2 and 6.0% organic
matter content. Corn planting was delayed three weeds after herbicide
application due to wet soil conditions. The previous fall, 120 lb/A each P0O5
and K2O were applied to the plot. The field was moldboard plowed and spring
tilled with a tandem disk and harrow. Herbicides were applied at three rates
using a COo pressurized hand-held sprayer in 20 gpa water with 8002 nozzle
tips. Alachlor A EC at 3.0 lb/A was broadcast over the plot area to insure
adequate weed control. Plot size measured 7.5 by 30 ft in a randomized
complete block design with three replications. Visual injury ratings were
taken four weeks after crop emergence when corn was in the 5 leaf stage of
growth.

Results : Little injury occurred with any of the herbicides. All four
hybrids responded similarly to clomazone and imazethapyr. 'Pioneer 3377'
displayed the greatest injury from imazaquin and chlorimuron. Varietal injury
and differences between hybrids was greatest with chlorimuron. Crop response
might have been greater without the planting delay. (Dep. of Agronomy,
University of Illinois at Urbana-Champaign)

-49-

Table. Response of four corn hybrids to reduced rates of clomazone, imaqaquin
imagethapry, and chlorimuron. Curran and Paul

Herbicide

Rate

Pioneer 3377

Corn variety

Pioneer 3475 Pioneer 3615

DeKalb-Pf izer
Genetics 636

lb/A

Clomazone
Clomazone
Clomazone

0.125

0.25

0.50

1
0
0

Imazaquin
Imazaquin
Imazaquin

0.015
0.031
0.062

0

1

2

Imazethapyr
Imazethapyr
Imazethapyr

0.012
0.023
0.047

0
0
0

Chlorimuron
Chlorimuron
Chlorimuron

0.005
0.010
0.020

1
2
4

Check

0

LSD (0.05)

3

■Injury (%)■

1
0

1

2

1

7

2

1
2

2

6

16*

0

10

0
0
0

1
1

1

0

1

2

2
2
8*

0

5

0
0

1

4*

0

2

-50-

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

Postemergence broadleaf weed control for soybeans
Knake, Ellery L. , Lyle E. Paul, and Dale E. Harshbarger

Objective: The primary purpose of this study was to determine optimum
rates of the imidazolinone and sulfonylurea herbicides for postemergence
control of cocklebur, ivyleaf morningglory and velvetleaf in soybeans. In
addition, various rates, additives, and combinations for bentazon were
evaluated for improving efficacy and broadening spectrum of control.
Acifluorfen, lactofen, and fomesafen were also included for evaluation.

Procedure: The study was established in 1987 at the Northeastern
Illinois Agronomy Research Center near Elwood. The soil is predominantly
Andres silt loam with some Drummer silty clay loam with 2 to 5% organic
matter. A randomized complete block design with four replications was used.
Individual plots were 10 x 60 ft. The field had been in soybeans the previous
year and the weed species established in previous years so that there were
very few broadleaf weeds other than cocklebur, ivyleaf morningglory and
velvetleaf. Some tall morningglory was also present and it responded in a
similar manner as ivyleaf morningglory. A large tandem disk was used on June
8 followed by a smaller tandem disk with harrow and on June 9 a field
cultivator with harrow was used for final seedbed preparation. 'Wells II'
soybeans were seeded in 30 inch rows at a rate of 55 lb/A on June 9. On May
27, 0.38 lb/A of paraquat was applied to control existing vegetation and 3
lb/A of alachlor for grass control. On June 10, an additional 2 lb/A of
alachlor was applied preemergence to supplement the earlier treatment that had
been applied prior to tillage.

Postemergence treatments were applied June 24 from 10:00 a.m. to 12:00
noon with a tractor mounted compressed air spray unit with flat fan nozzle
tips, 30 psi and 3 mph to give 25 gpa broadcast. Ratings were made July 9 by
visual estimate.

Conditions on the day of spraying, June 24, were:

Air temperature - F° - Range for day 64-87

Bare soil temperature @ 4" F° - Range for day 69-92

Wind speed (mph) and direction 1-2 S

Sky - % cloud cover 10%

Relative humidity % - Range for day 44-96

Most recent rain prior to spraying 6/21 - 0.29 inch

Most recent rain following spraying 6/26 - 0.60 inch

Rainfall during 2 week period prior

to spraying - inches 0.46

Rainfall during week after spraying - inches 1.45

-51-

Growth stage

Soybeans

Cocklebur

Ivyleaf morningglory

Velvetleaf

Height

Number of

inches

leaves

3.5

1

1.0-2.5

2-4

1.0-2.0

1-3

0.5-1.0

1-3

Results: Imazaquin and imazethapyr gave similar control of cocklebur at
equivalent rates and control was good at the higher rates. Control of ivyleaf
morningglory was significantly better with imazethapyr than with imazaquin but
not complete. Control of velvetleaf was significantly better with imazethapyr
than with imazaquin and quite good.

With the sulfonylureas, cocklebur control was good with slightly better
control with chlorimuron than with DPX-M6316. Control of ivyleaf morningglory
was only fair, with chlorimuron better than DPX-M6316. Velvetleaf control was
relatively good with the highest rate of chlorimuron and it was better than
DPX-M6316.

Bentazon gave good control of cocklebur and fairly good control of
velvetleaf but not very good control of morningglory. Effectiveness of Dash
was equal to or slightly better than COC. The 28% UAN was about equal to COC
for morningglory and velvetleaf but appeared to be less effective for
cocklebur. Addition of BAS-51400 plus BAS 09002S to bentazon or addition of
acifluorfen to bentazon improved control of morningglory but not of common
cocklebur or velvetleaf. However, control of morningglory with any of the
bentazon combinations was only fair. Aciflurofen gave fair control of
morningglory. Lactofen gave relatively good control of common cocklebur and
velvetleaf, and fair control of morningglory spp. Fomesafen gave good control
of common cocklebur but was less effective for velvetleaf.

Soybean tolerance was rated good for the imidazolinones and bentazon.
The sulfonylureas appeared to cause very slight crop injury. Lactofen gave
the most soybean injury and acifluorfen and fomesafen caused some but none of
the injury was rated over 10%.

Conclusions: Although some control of cocklebur can be achieved with
reduced rates of the imidazolinones, best control was with the higher rates.
Imazaquin and imazethapyr gave about equal control for cocklebur but
imazethapyr was significantly better on morningglory and velvetleaf.
Comparing imazaquin, imazethapyr and chlorimuron, all three gve good control
of cocklebur. Imazethapyr and chlorimuron gave the best control of
velvetleaf. Although control of morningglory was not complete, imazethapyr
rated highest. DPX-M6316 did not appear to have any advantage over
chlorimuron for control of cocklebur, ivyleaf morningglory or velvetleaf.
With bentazon, the 1.0 lb/A rate appeared to have no advantage over 0.5 lb/A
for cocklebur control but did for velvetleaf. Dash performed as well or
better than COC. In this study, the 28% UAN at 2qt/A had no advantage over
COC for morningglory or velvetleaf and was less effective than COC or Dash for
cocklebur. BAS-51400 or acifluorfen added to bentazon improved control of
morningglory. Although lactofen caused some soybean injury, it appeared
temporary and relatively good control of weeds was achieved with it.
Fomesafen gave good control of cocklebur with slight temporary injury to

-52-

soybeans. The imidazol inones had the advantage of some soil residual activity
for control of the second flush of cocklebur and morningglory . A similar
observation was made for fomesafen on cocklebur. (Dep. of Agronomy,
University of Illinois, Urbana) ja?

!re

[ma
[ma

Chi
Chi

let
lei
Ber
lei
Ber
\

3e-
\

ici

L«

::-
let

'-■■:.

-53-

Table. Postemergence broadleaf weed control for soybeans. (Knake, Paul, and Harshbarger)

Treatment

Rate

Soybean
Injury

Cocb

Soybean

Control Soybean Yield as

Ilmg Vele Yield % of check

(lb/A)

(%)

(%)

(%)

(%) (bu/A)

Imazaquin + X-77

Imazaquin + X-77

Imazaquin + X-77

Imazaquin + X-77

Imazethapyr + X-77
Imazethapyr + X-77
Imazethapyr + X-77

Chlorimuron + X-77
Chlorimuron + X-77

DPX-M6316 + X-77
DPX-M6316 + X-77

Bentazon + COC
Bentazon + COC
Bentazon + Dash
Bentazon + 28% UAN
Bentazon + BAS-51400

+ BAS-09002S
Bentazon + acifluorfen

+ Dash

Acifluorfen + COC
Lactofen + COC
Fomesafen + COC
Weedy check
LSD (0.05)

0.031

0

78

10

15

7.5

84

0.063

0

86

20

25

11.3

127

0.094

0

95

30

35

20.2

226

0.125

0

99

50

45

15.5

174

0.031

0

71

30

86

6.2

70

0.063

0

86

50

92

10.7

120

0.094

0

94

80

99

13.1

147

0.008

2.5

89

58

85

10.5

117

0.012

5.0

93

68

97

13.5

151

0.008

1.3

78

33

76

8.1

91

0.016

3.8

86

53

80

11.3

127

1.0 +

1

qt

0

86

35

88

19.2

215

0.5 +

1

qt

0

93

30

79

14.6

164

0.5 +

1

qt

0

94

40

86

8.6

96

0.5 +

2

qt

0

76

30

78

6.5

73

0.5 +

0,

.025

5

82

53

79

6.7

75

+ lqt

0.5 +

0

.25

5

86

55

78

9.5

107

+ 1

q'

0.5 + 1 qt

8.8

0.2 + 1 qt 10
0.25 + 1 qt 6.3

0
1.4

91

73

68

12.6

141

95

85

90

9.0

101

95

55

48

18.5

207

0

0

0

8.9

7.5

5.0

6.5

8.4

X-77 @ 0.25% v/v.

COC - crop oil concentrate - a petroleum oil additive with 17% emulsifier.

Dash - an adjuvant from BASF.

UAN - a mixture of urea and ammonium nitrate.

BAS-09002S - an adjuvant from BASF, also referred to as Lutensol.

-54-

Control of wheat and rye cover crops for no-till corn and soybeans
Knake, Ellery L. , Lyle E. Paul, Joe P. Roth, and Dale E. Harshbarger

Objective: The primary purpose of this study was to evaluate various
herbicide treatments for controlling wheat and rye where these are used as
soil-conserving cover crops. The information would also be helpful where
wheat or rye intended for small grain production have been partially damaged
by weather conditions and the farmer decides on an alternative of no-tilling
corn or soybeans in the field.

Procedure: This study was established at the Northeastern Illinois
Agronomy Research Center near Elwood on a field with Drummer silty clay loam
and Andres silt loam with 2 to 5% organic matter. Wheat and rye were seeded
in blocks on October 21, 1986.

Herbicides were applied April 25 between 8:00 and 10:00 a.m. A tractor
mounted compressed air sprayer with flat fan nozzle tips, 30 psi, and 30 mph
was used to give 25 gpa broadcast. Wheat was 7 inches with 6 tillers and
about 5 leaves per tiller. Rye was 10 inches with 6 tillers and about A
leaves per tiller. For corn, alachlor at 3 lb/A and 1 qt/A crop oil
concentrate were added to each treatment, including the check. For soybeans,
metolachlor at 2.5 lb/A, metribuzin at 0.5 lb/A and 1 qt/A crop oil
concentrate were added to each treatment, including the check. There was 0.34
inch of rain on April 22 and 0.19 on April 23 prior to spraying on April 25.
After spraying, the only significant rainfall until May 18 was 0.20 inch on
May 3 and 0.15 inch on May 12. Randomized complete block designs with four
replications were used for corn and for soybeans. Control ratings were made
June 14 by visual estimate.

Air temperature on April 25 ranged from 36 to 59°F and bare soil at 4
inches 46 to 61°F. Wind was east at 3 mph and the sky clear. Relative
humidity was 28 to 64% and the soil was moist. There was 0.53 inch of rain
the previous week and none the following week but 0.2 inch during the second
week following treatment.

'Pioneer 3540' corn was planted on May 5 in 30 inch rows for a population
of 26,600 plants per acre. 'Wells II' soybeans were planted on May 14 at 55
lb/A in 30 inch rows. No tillage or cultivation was used on the plots.

Results: For corn, response of wheat and rye to the herbicides was
similar. Atrazine gave better control than cyanazine but control was not
considered adequate with either one alone. Combinations of atrazine plus
cyanazine gave fair control with some advantage for the higher rates and
higher ratio of atrazine to cyanazine. Paraquat plus atrazine gave good
control and cyanazine had no advantage over atrazine for the combinations with
paraquat. Glyphosate plus atrazine gave excellent control of wheat and good
control of rye. With the glyphosate combinations, cyanazine had no advantage
over atrazine. Dalapon alone at 3 lb/A did not give adequate control.
Combining dalapon with tridiphane and atrazine gave fair control.

Most treatments for soybeans, except paraquat, gave better control of
wheat than of rye. Control with dalapon was not considered adequate.

-55-

Glyphosate was most effective at the 1.0 lb/A rate. However, a lower rate may
be adequate for wheat if complete control is not considered necessary. HOE-
39866 was less effective than glyphosate. Paraquat at 0.5 lb/A gave about 80%
control and was not as effective as glyphosate at 1.0 lb/A. Fluazifop-P gave
good control of wheat but was less effective on rye. The same was true for
DPX-Y6202-31 which was more effective than quizalofop. Haloxyfop also gave
good control of wheat but was less effective on rye. Control with sethoxydim,
fenoxaprop and clethodim was not considered adequate at rates used. The
addition of crop oil concentrate to all treatments likely contributed to
success. Addition of alachlor for all corn treatments and metolachlor plus
metribuzin for soybeans helped to achieve good control of annual grass and
broadleaf weeds. (Dep. of Agronomy, University of Illinois, Urbana)

-56-

ible 1. Control of wheat and rye cover for no-till corn. (Knake, Paul, Roth, and Harshbarger)

(lb/A)

(%)

(%)

Rate

Control

Corn Yield

reatment

Wheat Rye

Wheat Rye

(bu/A)

(bu/A)

alapon

trazine
trazine

yanazine
yanazine

trazine + cyanazine

trazine + cyanazine

trazine + cyanazine

trazine + cyanazine

araquat + atrazine
araquat + atrazine

araquat + cyanazine

araquat + cyanazine + atrazine

3.0

40

30
65

18
35

55
65
65
54

90
95

0.5 + 3.0 86

0.25 + 3.0 + 1.0 82

10

62.8

1.5

3.0

2.0

4.0

1.5 +

1.5

2.0 +

2.0

1.5 +

3.0

1.0 +

3.0

0.4 +

2.0

0.5 +

2.0

lyphosate + atrazine 1.6 + 2.0 100

lyphosate + cyanazine + atrazine 1.0 + 3.0 + 1.0 96

alapon + tridiphane + atrazine 2.0 + 0.5 + 2.0 76

heck 0

SD (0.05) 10.3

43

70.4

69

108.7

23

62.7

54

79.4

51

92.4

80

102.3

79

100.7

75

81.3

89 113.0

94 124.7

86 115.9

88 114.2

94
91

66

0
6.5

122.2
117.4

94.0

32.9
23.3

26.9

87.2
94.6

74.1
109.5

99.2
119.3
109.6
100.6

132.3
112.7

107.0
124.2

125.8
124.1

96.5

32.3
29.9

rop oil concentrate - a petroleum oil additive with 17% emulsifier was added to each
reatment @ 1 qt/A.

-57-

Table 2. Control of wheat and rye cover for no-till soybeans. (Knake, Paul, Roth, and
Harshbarger)

(lb/A)

Rate

Control

Soybean Yield

Treatment

Wheat Rye

Wheat Rye

(%)

(%)

(bu/A)

(bu/A)

Check

Dalapon
Dalapon
Dalapon

Glyphosate
Glyphosate
Glyphosate

HOE-39866
HOE-39866
HOE-39866

Paraquat
Paraquat

Sethoxydim
Fluazif op-P

Quizalofop (DPX-Y6202)
DPX-Y6202-31 (Resolved isomer)

Haloxyf op
Fenoxaprop

Clethodim

Fiuazifop-P + glyphosate

Quizalofop + glyphosate
Quizalofop + fluazifop-P

LSD (0.05)

2.

0

3.

,0

4.

,0

0.

,5

0,

,75

1.

,0

0,

,5

0,

.75

1,

.0

0

.25

0

.5

0

.25

0

.25

0

.125

0

.1

0

.125

0

.125

0.125

0.125 + 0.5

0.063 + 0.5
0.063 + 0.125

28
40
58

84
89
99

35
74
79

65
83

40
94

84
95

91
10

48

84

93
91

9.1

5

11
15

50
63
89

20
30
40

70
80

31
53

45
60

53
10

28

58

59
40

7.3

22.9

25.7
27.8
30.7

35.8
34.5
41.7

21.7
36.6

29.4

22.7
37.9

22.5
36.9

38.1
35.4

37.8
23.5

29.3

33.9

35.5
35.0

9.2

29.6

29.

3

27.

4

29.

2

33.

,6

34.

0

42,

,0

25,

,7

28,

,6

26,

,8

35,

,5

33,

.3

25

.2

27

.4

34

.3

36

.8

32

.2

29

.2

26

.8

34

.0

38

.8

34

.4

8.4

Crop oil concentrate - a petroleum oil additive with 17% emulsifier was added to each
treatment @ 1 qt/A.

-58-

Herbicides for legume establishment on land set-aside from production

Knake, Ellery L., Lyle E. Paul, Barbara J. Hook,
Dale E. Harshbarger, and David R. Pike

Objective: The primary purpose of this study was to evaluate several
herbicides for crop tolerance and weed control with several legume species
that have potential for use on land set-aside from production as well as for
forage production.

Procedure: This study was established in 1987 at the Northeastern
Illinois Agronomy Research Center near Elwood on Drummer silty clay loam with
about 5% organic matter. The field had been in no-till soybeans the previous
year and was fall plowed. The field was worked once with a tandem disk and
harrow on April 21 and twice on April 25. Legumes were seeded on April 25
with a Brillion seeder. The preplant incorporated herbicides were applied
between 1:30 and 2:30 p.m. on April 25 prior to disking. The EPTC +
dichlormid and cinmethylin treatments were applied to the surface after
seeding.

A tractor mounted compressed air spray unit was used with flat fan nozzle
tips, 30 psi, and 3 mph to give 25 gpa broadcast. The EPTC + dichlormid
impregnated on 13-13-13 dry fertilizer was applied at 350 lb/A by hand on May
7. A randomized complete block design with three replications was used for
herbicide treatments across the legume species seeded in strips each 16 ft
wide. Crop injury and weed control ratings were made by visual estimate on
June 5.

On April 25, air temperature ranged from 36 to 59°F and bare soil
temperature at A inches was 46 to 61°F. Relative humidity was 28 to 64% and
soil was moist. Wind was ESE at 3 mph and sky was clear. There was 0.53 inch
of rain the previous week, none the following week and 0.12 inch the second
week after spraying.

Results : Incorporated treatments of trifluralin, ethalf lural in and EPTC
all gave excellent control of giant foxtail. EPTC had a significant advantage
for control of yellow nutsedge and velvetleaf. Alfalfa tolerance appeared
better with pendimethalin and EPTC than with trifluralin and ethalf lural in,
however, alfalfa injury did not exceed 10%. There was also slight clover
injury from the incorporated treatments but it did not exceed 10%. EPTC +
dichlormid in encapsulated form sprayed on the soil surface gave only fair
control and a little injury to some of the clovers. EPTC + dichlormid
impregnated on dry fertilizer and applied to the surface gave good control of
giant foxtail but was not as effective as incorporated EPTC on nutsedge and
velvetleaf. Although alfalfa had good tolerance to the impregnated material
some of the clovers appeared to be injured. Cinmethylin gave good control of
foxtail without significant injury to alfalfa in this trial. However, most of
the clovers were injured significantly by cinmethylin. (Dep. of Agronomy,
University of Illinois, Urbana)

-59-

Table. Herbicides for legume establishment. (Knake, Paul, Hook, Harshbarger, and Pike)

Treatment

Crop Injury

Red

Sweet

Control

Rate

Alfalfa Clover Alsike Ladino Clover Gift Vele Yens

PPI

Trif luralin

Ethalf luralin

Pendimethalin

EPTC

(lb/A)

(%)

1.0

10

7

3

3

1.0

10

3

3

10

1.0

0

7

3

3

3.0

0

0

10

10

10

100

100

87

100

47

A3

40

93

97

Preemergence

EPTC + dichlormid 3S
(encapsulated)

3.0

EPTC + dichlormid 6.7E 3.0
(impregnated on dry
fertilizer)

13

23

80

Cinmethylin

1.5

0

80

90

87

Check-Untreated

0

0

0

0

0

LSD (0.05)

0.1

9.7

23.0

15.3

13

40

77

40

93 40

30 83 60 0

0 0 0 0

15.7 9.0 12.8 3.6

-60-

Corn and soybeans no-till in oats mulch
Knake, Ellery L. , Lyle E. Paul, Barbara J. Hook, and Dale E. Harshbarger

Objective: There are currently over 3 million acres of land in Illinois
set-aside from production. Many farmers seed oats on this land. Some allow
the oats to mature and reseed or some disk the oats into the soil after they
mature to provide weed control as well as some soil coverage of the oats
seed. This second crop of oats from the dense reseeding can form a dense
cover which helps to control weeds and protect the soil. If undisturbed, the
oats is killed by the cold of winter and the dead mulch left to protect the
soil. The purpose of this study was to evaluate the potential for no-till
corn or soybeans in oats mulch in the spring.

Procedure: This study was established at the Northern Illinois Agronomy
Research Center near Elwood on Andres and associated silt loam with about 2%
organic matter. Oats was seeded in the spring of 1986 and left to reseed when
mature. On April 25, 1987, 200 lb/A P205 and 120 lb/A K20 was applied.
Because of an infestation of dandelions, 0.5 lb/A 2,4-D LVE was applied April
23 and again on May 1 to the entire area. Pioneer 3540 corn was planted May 5
in 30 inch rows to give a population of 26,600 plants per acre. Terbufos soil
insecticide was applied at 1.3 lb/A at planting. On May 14, Wells II soybeans
were planted at 55 lb/A on the west portion. Due to the presence of some
annual grass, 0.25 lb/A sethoxydim was applied to the soybean area on June 12
and 1.5 lb/A cyanazine plus 0.25% v/v X-77 to the corn plots. Randomized
complete block designs, each with four replications, were used. Individual
plots were 10 x 50 ft. Ratings were made by visual estimate on June 5.

Herbicide treatments were applied April 25 between 4:00 and 5:00 p.m.
with a tractor mounted compressed air spray unit with flat fan nozzle tips, 30
psi and 3 mph to give 25 gpa broadcast. All treatments were surface applied
with no incorporation. The EPTC + dichlormid impregnated on dry 13-13-13
fertilizer at a rate of 350 lb/A was applied by hand May 7. On April 25 air
temperature ranged from 36 to 59°F and bare soil at 4 inches was 46 to 61°F.
Relative humidity was 28 to 64% and soil was moist. Wind was ESE at 3 mph and
sky was clear. There was 0.53 inch of rain the previous week, and 0.2 inch on
the eighth day after spraying.

Results: Annual broadleaf weed control was good with all treatments in
both corn and soybeans. The major grass infestation which was not anticipated
was fall panicum. The EPTC + dichlormid and atrazine impregnated on dry
fertilizer treatment and the 3 lb/A cyanazine plus 1.0 lb/A atrazine treatment
each gave excellent grass control. The other EPTC + dichlormid formulations
with atrazine were less satisfactory.

For soybeans metribuzin plus chlorimuron performed very well under these
no-till conditions for annual broadleaf weed control. Alachlor 4E and MT
formulations gave similar results with the MT being at least as good or
slightly better than the 4E. Metolachlor performed very well and may have had
some advantage for longer residual. Cinmethylin in conjunction with
metribuzin plus chlorimuron also gave good control. (Dep. of Agronomy,
University of Illinois, Urbana)

-61-

Table. Weed control for no-till corn and soybeans in oats mulch following set-aside
(Knake, Paul, Hook, and Harshbarger)

Treatment

Rate

Fapa
Control

Vema
Control

Yield

(lb/A)

(%)

(%)

(bu/A)

Corn

EPTC/'dichlormid 6.7E + atrazine

EPTC/dichlormid 3S + atrazine

EPTC/'dichlormid + atrazine (impregnated)

Dicamba + atrazine

Bromoxynil + atrazine

Bentazon + atrazine + COC

Cyanazine + atrazine + COC

Check

LSD (0.05)

4.0 + 1.5
4.0 + 1.5
4.0 + 1.5
0.48 + 0.92
0.38 + 0.75
0.75 + 0.75
3.0 + 1.0 +

78

100

112.2

53

100

116.1

100

100

119.8

48

100

101.4

43

100

107.5

+ 1 qt

38

100

117.5

1 qt

100

100

134.1

0

0

62.4

12.3

0.05

19.3

Soybeans

Alachlor 4E + metribuzin + chlorimuron

Alachlor MT + metribuzin + chlorimuron

Metolachlor + metribuzin + chlorimuron

Cinmethylin + metribuzin + chlorimuron

Check

LSD (0.05)

2.5 + 0.35 + 0.035

2.5 + 0.35 + 0.035

2.0 + 0.35 + 0.035

1.5 + 0.35 + 0.035

85

100

47.3

88

100

46.4

93

100

43.7

90

100

47.4

0

0

35.0

7.4

0.05

6.6

COC - crop oil concentrate - a petroleum oil additive with 17% emulsifier.

-62-

Fall panicum control
Knake, Ellery L., Lyle E. Paul, Dale E. Harshbarger, and David R. Pike

Objective: The primary purpose of this study was to evaluate herbicide
treatments for control of fall panicum with various tillage systems.

Procedure: This long-term study is located at the Northeastern Illinois
Agronomy Research Center near Elwood on Blount silt loam with about 2% organic
matter. The tillage treatments have been used continuously on the same plots
for about 13 years. The tillage treatments are randomized and replicated
three times with the tillage plots each split for the four herbicide
treatments. Corn has been grown continuously. Main plots for tillage were 20
x 120 ft and subplots for herbicide treatments were 10 x 60 ft.

In 1987 the corn stalks from 1986 were shredded on March 20. The plots
designated for moldboard plowing were plowed on March 24 and the plots to be
disked were disked on March 27. The plowed plots were disked and harrowed on
April 7 followed by a field cultivator plus harrow on April 29. Ammonium
nitrate was applied uniformly to all plots on April 28 to give 240 lb/A
nitrogen. On April 30, Pioneer 3540 corn was planted in 30-inch rows to give
26,600 plants per acre and terbufos soil insecticide was applied at 1.3 lb/A.

Preemergence herbicide treatments were surface applied on May 1 between
8:30 and 10:30 a.m. Postemergence herbicide treatments were applied on May 30
between 7:00 and 8:00 a.m. A tractor mounted compressed air spray unit was
used with flat fan nozzle tips, 30 psi, and 3 mph to give 25 gpa. Since some
of the preemergence treatments were designed primarily for control of grass
weeds and the postemergence treatments were delayed due to wet weather, some
broadleaf weeds grew beyond the ideal stage for cyanazine so 0.5 lb/A dicamba
was applied uniformly to all plots on June 1. This, plus the cyanazine
treatments, controlled the broadleaf weeds quite well on all plots, however,
some corn injury did occur. The MT formulation of alachlor and the 90DF
formulation of cyanazine were used. All postemergence treatments for fall
panicum included X-77 at 0.25% v/v.

At the time of the preemergence treatments, there was very little weed
growth except for a few Pennsylvania smartweed on some plots with reduced or
no-till. It was evident on the continuous no-till plots that the rather dense
mulch of crop residue helped to give some early weed control. At the time of
the postemergence treatments on May 30, corn was 8 inches tall with 5 leaves
and fall panicum was from 0.25 inch with 2 leaves to 4 inches tall with 4
leaves. Pennsylvania smartweed and common lambsquarters were up to 12 inches
tall and velvetleaf up to 5.5 inches tall. The first rain following
postemergence application was 0.15 inch the next day and then there was
rainfall on each of the next three days totaling 1.90 inches. Fall panicum
control ratings were made on June 26 by visual estimate.

When the preemergence treatments were applied on May 1, air temperature
ranged from 38 to 86°F and bare soil temperature 52 to 77°F. Relative
humidity was 24 to 67% and soil was dry. Wind was ESE at 3 mph and the sky
had 10% cloud cover. There had been 0.19 inch of rain 8 days earlier and 0.34
the day before that. There was 0.2 inch on May 3. At time of postemergence

-63-

application on May 30, air temperature was 67 to 91°F and bare soil
temperature at 4 inches was 69 to 86°F. Relative humidity was 36 to 96% and
soil was moist. Wind was WSW at 0 to 2 mph and there was 80% cloud cover.
There was 0.28 inch of rain the previous week, 3.44 inches during the previous
two weeks and 1.85 inches the week following application.

Results: Where tillage included use of a moldboard plow or disk in 1987,
control of fall panicum was excellent with all herbicide treatments. Where a
plow was used in 1986 and no tillage was used in 1987, control was also
excellent. Where a disk was used in 1986 and no tillage in 1987, control
still averaged 98%. However, where zero tillage had been used continuously,
control averaged only 67% and was similar for all herbicide treatments.
(Dep. of Agronomy, University of Illinois, Urbana)

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Fail Panicum

1987

Corn Yields Bu/A

Pre:

Alachlor

Alachlor

Simazine

Simazine

Mean

Post:

Tillage

1986

Plow

Disk

Plow
Disk
0

Mean

1987
Plow
Disk
Plow
Disk

0

0

0

Tridiphane

Cyanazine

Tridiphane

Cyanazine

Cyanazine

Pend

imethalin

C£

anazine

Pend

imethal in

100

127

125

117

117

134

129

126

130

130

136

137

131

95

125

127

123

142

121

128

132

129

137

135

133

139

132

141

133

136

143

136

133

138

138

130

130

134

124

130

LSD. 05 Tillage 7.9

Herbicide 6.0

Rates Alachlor

Lbs/A a.i. Simazine

3 Cyanazine - 2 Tridiphane - 0.5
2 Pendimethalin - 1

-66-

Effect of pH, tillage and chlorimuron rate on residual effect on corn
Knake, Ellery L., Lyle E. Paul, Dale E. Harshbarger, and David R. Pike

Objective: The primary purpose of this study was to evaluate the
potential for chlorimuron applied for soybeans to carryover and affect corn
the following year. Variables include soil pH, tillage and chlorimuron rate.

Procedure: This study was established at the Northeastern Illinois
Agronomy Research Center near Elwood on soil ranging from Drummer silty clay
loam to Andres silt loam and organic matter of 2 to 5%. Corn and soybeans are
alternated each year. Tillage for all soybeans after corn consisted of chisel
plowing the corn stalks in the fall (November 22, 1986) and in the spring
using a tandem disk with harrow (May 14, 1987) and then a field cultivator
with harrow (May 14). For corn after soybeans, three tillage systems are
compared: (1) chisel (November 26, 1986) plus tandem disk and harrow (May 4,
1987), (2) large disk (May 30, 1987) followed by a smaller tandem disk and
harrow (May 4), and (3) no-till corn into soybean stubble. Main plots with
tillage are replicated three times and subplots have soil pH adjusted to 5.5,
6.5 and 7.5. The soybean plots are further divided for four rates of
chlorimuron which was applied on May 6 in 1986. Tillage plots are 40 x 240
ft, pH plots 40 x 80 ft and herbicide rate plots 10 x 80 ft.

All plots received 120 lb/A each of P20«j and K20 in November 1986. For
corn, anhydrous ammonia was applied April 27, 1987 to give 240 lb/A
nitrogen. 'Pioneer 3475' corn was planted on May 4, 1987 to give 26,600
plants per acre. 'BSR 201' soybeans were planted on May 14, 1987 at 55
lb/A. On May 7, 1987 3 lb/A alachlor plus 2 lb/A atrazine was applied to all
corn plots. Chlorimuron was applied between 12:00 noon and 2:00 p.m. on May
14 with a tractor mounted compressed air spray unit with flat fan nozzle tips,
30 psi and 3 mph to give 25 gpa. Chlorimuron rates were 0, 0.5, 1.0 and 1.5
oz/A a.i. In addition, all soybean plots were treated with 1 lb/A bentazon
plus 1 qt/A COC on June 10 and 0.25 lb/A fluazifop-P plus 1 qt/A COC on June
19. The corn was cultivated but not the soybeans. Hand weeding was done as
needed to maintain all plots weed free. The highest chlorimuron rate is
approximately two to three times the rate as would be used in soil-applied
treatments. Corn plant populations were counted in 10 feet of row per plot on
June 10, 1987. Corn heights and diameter of stem at the center of the 4th
internode were measured on July 8, 1987. Tassel emergence and silk emergence
were determined July 10, 1987. Weed control ratings were made on June 5 by
visual estimate prior to the June 10 bentazon application.

When chlorimuron was applied May 14, 1987, air temperature ranged from 54
to 83°F and bare soil temperature at 4 inches from 54 to 79°F. Relative
humidity was 34 to 92% and soil was dry. Wind was SSW at 5 to 10 mph and
there was 80% cloud cover. There was 0.15 inch of rain the previous week and
3 inches the following week.

Results: Tillage, pH, or herbicide rate had little significant effect on
corn plant population. For corn height, pH or herbicide rate had little
effect where no tillage was used after soybeans for corn. However, where the
disk or chisel plus disk was used after soybeans for corn, the corn was
shorter and stem diameter tended to be smaller as herbicide rate was

-67-

increased, particularly at pH 7.5. The higher herbicide rates applied to the
higher soil pH plots also delayed emergence of tassels and silks of corn.
Degree of weed control improved as herbicide rate and pH were increased.
There was no significant effect on soybean yields attributed to soil pH or
chlorimuron. There was little significant effect on corn yield attributed to
soil pH or chlorimuron except at the high pH and rate that exceeded label
guidelines. (Dep. of Agronomy, University of Illinois, Urbana)

-68-

Table 1. Effect of pH, tillage and chlorimuron rate on residual effect on corn.
Harshbarger, and Pike)

(Knake, Paul ,

Chlorimuron
1986

5.5

O-Till

j>H_

6.5

7.5

5.5

Disk

_pJL

6.5

7.5

5.5

Chisel

PH

6.5

7.5

(oz/A)

Corn Height - Inches 7/8/87

0

93

95

94

95

93

93

99

98

97

0.5

95

92

92

95

96

91

95

92

91

1.0

93

91

93

94

95

86

90

93

88

1.5

92

91

93

91
Stem Diameter

94

- Inches

82

7/8/87

95

95

85

0

0.88

0.

87

0.

89

0.90

0.90

0.92

0.

94

0.93

0.93

0.5

0.92

0.

88

0.

87

0.92

0.92

0.91

0,

93

0.92

0.91

1.0

0.90

0.

89

0.

86

0.92

0.88

0.88

0.

93

0.89

0.89

1.5

0.92

0.

88

0.

89

0.92

0.88

0.86

0.

90

0.89

0.88

Corn Plants/10 ft of Row 6/10/87

0

14.3

15.3

14.7

13.7

13.9

13.5

13.1

13.5

13.3

0.5

13.8

14.6

14.7

13.8

13.8

12.2

13.9

14.7

14.3

1.0

14.8

14.4

14.5

13.4

13.1

13.7

12.5

13.9

14.3

1.5

13.8

14.8

14.3

13.9

13.9

14.8

14.0

14.2

13.6

-69-

TabLe 2. Effect of pH , tillage and chlorimuron rate on residual effect on corn. (Knake, Paul,
Harshbarger, and Pike)

Chlorimuron
1986

5.5

O-Till

pH

6.5

7.5

Disk

_pH_

5.5

6.5

7.5

5.5

Chisel

pH

6.5

7.5

(oz/A)

% Tassel Emergence 7/10/87

0

100

100

100

100

100

100

100

100

100

0.5

100

100

100

100

100

97

100

100

97

1.0

97

100

97

100

87

80

100

100

97

1.5

100
77

100

100

100
% Silk

100
Emergence

100
7/10/87

100

100

73

0

80

93

60

90

50

80

93

93

0.5

27

53

43

67

77

63

73

73

37

1.0

57

47

7

80

70

27

77

73

53

1.5

30

70

23

67

63

20

63

73

13

0

0.5

1.0

1.5

% Silk Emergence 7/10/87
Means for Tillage
pH

5.5

6.5

7.5

72

88

79

56

68

48

71

63

29

53

69

19

-70-

Table 3. Effect of pH and chlorimuron rate on weed
control in soybeans. (Knake, Paul,
Harshbarger, and Pike)

Chlorimuron
1987

PH

5.5

6.5

7.5

t-/\

\/» /

0

0

0

83

94

99

83

96

99

88

99

100

(oz/A)

0

0.5

1.0

1.5

-71-

Table 4. Effect of tillage, pH, and chlorimuron residual
on corn. Elwood 1987.

Tillage p_H

Corn bu/A

oz/A Chlorimuron 1986

Zero

0.5

1.0

1.5

Mean

5.5

127

162

153

156

149

6.5

135

160

150

159

151

7.5

133

156

151

151

148

Mean

132

159

151

155

149

Disk

5.5

149

152

147

156

151

6.5

156

157

153

157

156

7.5

154

150

138

139

145

Mean

153

153

146

150

151

Chisel

Mean

5.5

158

160

159

157

158

6.5

161

164

164

151

160

7.5

161

152

156

140

152

Mean

160

159

160

149

157

148

157

152

152

152

-72-

Table 5. Effect of chlorimuron on soybean yield
Elwood 1987.

PH

0

5.5

45.9

6.5

48.1

7.5

46.8

Mean

46.9

Chlorimuron oz/A a.i.

0.5 T7o~

1.5

Mean

48.7 47.6 46.7 47.2

48.3 47.4 48.4 48.1

46.3 46.6 48.5 47.1

47.8 47.2 47.9 47.5

-73-

Preemergence and postemergence screening study
Curran, William S., Lyle E. Paul and Dale E. Harshbarger

Objective; Preemergence (PRE) and postemergence (POE) herbicides were
evaluated for crop tolerance and efficacy on six weed species common to
Illinois .

Procedure? The study was conducted on a variable soil containing
Beecher, Drummer, and Blount silt loam to silty clay loams with 2 to 5%
organic matter. The field was moldboard plowed and spring disked. Individual
crop and weed species were planted in separate rows using a conventional four
row planter for corn and soybeans or a Brillion seeder for all weed species
except common cocklebur which was hand planted. Soil applied treatments were
rated on June 5, while postemergence treatments were rated on June 24, 1987.

Date April 29, 1987 June 5, 1987

Treatment

Sprayer

gpa

psi
Soil

Temperature - F
air

soil (4 in)
Wind (mph)
Sky

Relative humidity (%)
Corn leaf no.
Soybean stage
Tall morningglory leaf no.
Velvetleaf leaf no.
Redroot pigweed leaf no.
C. lambsquarters height (in)
Common cocklebur height (in)
Giant foxtail height (in)

Soil moisture on the April 29 application was dry and significant
rainfall did not occur for 20 days after application. This may explain why
some of the less water soluble soil applied treatments did not perform well.
No rain fell for two weeks following postemergence applications. Weed growth
stages varied at application with the larger seedlings surviving many of the
tretments. (Dep. of Agronomy, University of Illinois at Urbana-Champaign)

April 29, 1987 June 5,

PRE

POE

20

20

35

35

dry

moist

69

79

71

81

5-15 N

5 N

clear

clear

40

80

none

3

none

V3

none

3-4

none

5

none

4

none

3

none

7-10

none

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-76-

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

Herbicides for established alfalfa and red clover
Knake, Ellery L., Michael J. Mainz, and John J. Sutor

Objective: The primary purpose of this study was to evaluate the
potential need and usefulness of herbicides for weed control in alfalfa and
red clover established for set-aside land or for forage.

Procedure: This study was established at the Northwestern Illinois
Agronomy Research Center near Monmouth, Illinois, on Tama silt loam with 3%
organic matter, 4 to 7% slope, slight to moderate erosion, and pH of 5.5.
Soil was high in phosphorus and potassium. The clover and alfalfa were seeded
in individual strips in the spring of 1986 and well established for 1987. A
randomized complete block design with four replications was used. Individual
plots were 10 x 45 ft. The herbicides were applied with a tractor mounted
compressed air spray unit with flat fan nozzle tips, 30 psi and 3 mph to give
25 gpa. The preemergence treatments were applied on April 23 between 8:30 and
10:30 a.m. and the postemergence treatments on June 2 between 1:00 and 2:00
p.m. At the time of the preemergence treatments, alfalfa was 9 inches tall
and clover 5 inches tall with both actively growing. The dense stand of
alfalfa and clover precluded much weed growth but some giant foxtail was just
emerging. At the time of the postemergence treatments, alfalfa was 24 inches
tall, clover 12 inches tall and giant foxtail 11 inches tall. Alfalfa was at
30% bloom and clover 40% bloom stage. Weed control ratings were made by
visual estimate on July 4.

When the first application was made on April 23, air temperature was 45
to 52°F for the day and bare soil temperature at 4 inches 51 to 56°F.
Relative humidity was 86 to 100% and soil was moist. Wind was NNW at 5 to 10
mph and the sky was cloudy with a very light mist. Rainfall the previous week
was 0.18 inch and 0.24 inch the following week. When the postemergence
application was made on June 2, air temperature ranged from 67 to 85°F for the
day and bare soil temperature at 4 inches 68 to 80°F. Relative humidity was
58 to 100% and soil was moist. Wind was NW at 0 to 2 mph and sky was
cloudy. There was 1.4 inches of rain the previous week, 0.05 inch on June 2
and 0.2 inch on June 12.

Results : These results suggest that a well established stand of clover
or alfalfa can compete well and weeds may not become a serious problem.
However, in a few areas where weed control was not used at legume
establishment or a treatment did not perform well the previous year, the
legume stand was thinner and weeds more prevalent. In 1987, most of the
preemergence treatments gave good control but the postemergence treatments
generally gave the best control. Legume tolerance with the preemergence
treatments was good except for metribuzin applied later than recommended and
imazaquin which also injured the legumes. Crop tolerance was excellent with
the postemergence treatments except for glyphosate which gave good control but
a little crop injury. (Dep. of Agronomy, University of Illinois, Urbana)

-77-

Table. Herbicide treatments for established alfalfa and red clover. (Knake, Mainz, and Sutor)

Injury Control

Red Gift in Gift in

Treatment Rate Alfalfa Clover Alfalfa Red Clover

(lb/A) (%)

Preemergence

Pendimethalin

1.0

0

Oryzalin

1.0

0

Alachlor

3.0

0

Metolachlor

2.5

0

Cinmethylin

1.5

0

Imazaquin

0.125

35

Imazethapyr

0.094

3

Simazine

2.0

0

Metribuzin

0.375

20

Postemergence

Sethoxydim +

COC

0.188 +

1 qt

0

Fluazifop-P +

COC

0.188 +

1 qt

0

Fenoxaprop +

COC

0.125 +

1 qt

0

Glyphosate

0.25

10

Glyphosate

0.5

20

Check-Untreated

—

0

LSD (0.05)

5.0

0 93 85

0 88 100

0 90 98

0 94 100

3 83 83

48 85 95

5 100 100

0 90 88

43 83 78

0 96 100

0 98 100

0 100 100

10 100 100

20 100 100

0 0 0

8.7 14.2 20.4

COC - crop oil concentrate - a petroleum oil additive with 17% emulsifier.

-78-

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

Weed control for no-till soybeans
Koethe, Robert W., Ellery L. Knake, Gary D. Bickmeier, and Glenn A. Raines

Objective: The purpose of this study was to evaluate herbicide
treatments for weed control in no-till soybeans.

Procedure: This study was established in 1987 at the University of
Illinois Orr Agricultural Research and Demonstration Center in western
Illinois near Perry on Rozetta silt loam with 2% organic matter and 2 to 7%
slope with slight to moderate erosion. A randomized complete block design
with four replications was used and individual plots 10 x 55 ft. The field
was in no-till corn in legume sod the previous year. No tillage was used in
1987. FS 348 soybeans were planted on May 20 in 30 inch rows using 67 lb/A of
seed. A tractor mounted compressed air spray unit with flat fan nozzle tips
was used with 30 psi and 3 mph to give 25 gpa broadcast.

Herbicides were applied on May 7 except for the one postemergence
treatment which was applied on May 28. On May 7, air temperature ranged from
47 to 75°F, soil temperature at 4 inch depth under sod from 56 to 65°F, and
relative humidity 25 to 85%. Wind was 6 mph and sky was 5% overcast. There
was about 80% residue cover on the soil. Major weed species were giant
foxtail, redroot pigweed, common lambsquarters , Pennsylvania smartweed and
horseweed. The 2,4-D used was a butoxyethyl low volatile ester. Weed control
ratings were made by visual estimate on June 11. The only appreciable rain
during the 13 days before the May 7 herbicide application was 0.23 inch three
days earlier. There was no rain following the May 7 application until May 18
with 0.72 inch.

Results : Paraquat and glyphosate were effective for burndown of existing
vegetation. Alachlor and metolachlor were effective for residual grass
control when used in conjunction with paraquat or glyphosate for initial
burndown. However, metolachlor provided longer residual for grass control
than alachlor. Haloxyfop and clethodim were effective for controlling
existing grass and also provided residual grass control. Imazethapyr
supplemented by 2,4-D to improve common lambsquarters control gave good
burndown and residual control of broadleaf weeds. Metribuzin plus chlorimuron
gave very good control of broadleaf weeds, including horseweed. Linuron plus
chlorimuron gave good control of broadleaf weeds but was not as effective on
existing grass weeds as anticipated. Bentazon plus 2,4-D supplemented by a
later application of chlorimuron plus DPX-M6316 provided broad spectrum
broadleaf control. (Dep. of Agronomy, University of Illinois, Urbana)

-79-

Table. Weed control for no-till soybeans. (Koethe, Knake , Bickmeier, and Raines)

Treatment

Rate

Control 6/11/87

Gift Rrpw Colq Pesw Howe

(lb/A)

(%)

Paraquat + metolachlor + metribuzin

+ chlorimuron
Glyphosate + alachlor + metribuzin

+ chlorimuron
Linuron + chlorimuron + pendimethal in
Linuron + chlorimuron + metolachlor
Linuron + chlorimuron + cinmethylin
Linuron + chlorimuron + haloxyfop
Fluazifop-P + pendimethalin

+ imazaquin + 2,4-D
Imazethapyr + 2,4-D + clethodim
Paraquat + pendimethalin
Fluazifop-P + oryzalin + DPX-M6316
Paraquat + lactofen + metolachlor
Paraquat + lactofen + pendimethalin
Sethoxydim + pendimethalin (LATE POST)

+ bentazon + 2,4-D

(LATE POST: chlorimuron + DPX-M6316)

Check-Untreated
LSD (0.05)

0.5 + 2.0 + 0.35

94

100

100

98

88

+ 0.035

1.05 + 1.95 + 0.35

83

100

100

100

94

+ 0.035

0.47 + 0.03 + 1.0

53

100

100

100

85

0.47 + 0.03 + 1.0

38

100

100

95

85

0.47 + 0.03 + 1.0

58

100

98

88

88

0.47 + 0.03 + 0.25

90

100

100

95

83

0.188 + 1.0

73

100

98

85

83

+ 0.125 + 0.25

0.094 + 0.25 + 0.25

93

100

100

90

68

0.5 + 1.0

70

78

78

38

18

0.188 + 1.0 + 0.008

85

100

100

88

33

0.5 + 0.2 + 2.0

80

58

100

43

35

0.25 + 0.2 + 1.0

60

75

88

25

13

0.188 + 1.0

73

100

100

100

93

+ 0.5 + 0.25

0.008 + 0.004

0

0

0

0

0

21.0

14.9

20.3

24.9

26.8

X-77 surfactant added to each treatment @ 0.25%.

-80-

Herbicides for no-till soybeans
Koethe, Robert W. , Ellery L. Knake, Gary D. Bickmeier, and Glenn A. Raines

Objective: The primary purpose of this study was to evaluate herbicide
combinations for weed control in no-till soybeans.

Procedure: The study was conducted in 1987 at the Orr Agricultural
Research and Demonstration Center near Perry in western Illinois on Fayette
silt loam with 2% organic matter and 7% slope. The design was a randomized
complete block with four replications. ' FS 348' soybeans were planted on May
20 in 30 inch rows using 67 lb/A seed. The herbicides were applied on May 7
with a tractor mounted compressed air sprayer using flat fan nozzle tips, 30
psi, and 3 mph to give 25 gpa broadcast. Air temperature for the day ranged
from 47 to 75°F and soil temperature at 4 inches under sod ranged from 56 to
65°F. Relative humidity ranged from 25 to 86% for the day. Wind speed was 6
mph and the sky was 25% overcast. Residue cover on the soil surface was 90%
from soybeans the previous year and corn stalks the year before that. Weed
control ratings were made on June 11 by visual estimate. The only appreciable
rain during the 13 days prior to the May 7th herbicide application was 0.33
inch three days earlier. There was no rain following the May 7 application
until the 11th day with 0.72 inch.

Results : Since grass had emerged by time of herbicide application,
paraquat or glyphosate complemented pendimethal in; DPX-Y6202-31 or paraquat
complemented cinmethylin; and cyanazine complemented metolachlor. Although
imazaquin and imazethapyr were weak on common lambsquarters that was 2 to 4
inches at time of application, 2,4-D, DPX-M6316 or paraquat appeared to
complement metribuzin plus chlorimuron and linuron plus chlorimuron to enhance
control. Linuron plus chlorimuron did not give the degree of grass burndown
anticipated. Although linuron plus chlorimuron gave fair control of
horseweed, control with metribuzin plus chlorimuron was better. (Dep. of
Agronomy, University of Illinois, Urbana)

-81-

Table. Herbicides for no-till soybeans. (Koethe, Knake , Bickmeier, and Raines)

Control

Treatment

Rate

Paraquat + imazaquin + pendimethalin
Glyphosate + imazethapyr + pendimethalin
Metribuzin + chlorimuron + 2,4-D

+ cinmethylin
Metribuzin + chlorimuron + 2,4-D

+ cinmethylin + DPX-Y6202-31
Metribuzin + chlorimuron + DPX-M6316

+ cinmethylin
Metribuzin + chlorimuron + DPX-M6316

+ cinmethylin + DPX-Y6202-31
Paraquat + metribuzin + chlorimuron

+ cinmethylin
Paraquat + metribuzin + chlorimuron

+ metolachlor
Linuron + chlorimuron + oryzalin
Linuron + chlorimuron + pendimethalin
Linuron + chlorimuron + cinmethylin
Linuron + chlorimuron + metolachlor
Cyanazine + 2,4-D + metolachlor

Check-Untreated
LSD (0.05)

(lb/A)

0.25 + 0.125 + 1.0
0.5 + 0.094 + 1.0
0.35 + 0.035 + 0.5

+ 1.0
0.35 + 0.035 + 0.5

+ 1.0 + 0.125
0.35 + 0.035 + 0.008

+ 1.0
0.35 + 0.035 + 0.008

+ 1.0 + 0.125
0.25 + 0.35 + 0.035

+ 1.0
0.25 + 0.35 + 0.035

+ 2.0
0.47 + 0.03 + 1.0
0.47 + 0.03 + 1.0
0.47 + 0.03 + 1.0
0.47 + 0.03 + 2.0
2.0 + 0.5 + 2.0

Fapa Colq Howe
(%) (%) (%)

89
85
70

88

60

93

98

95

63
68
73
75
95

0
22.2

73
75
98

100

98

98

98

100

100
100
100
100

100

0
18.5

90
100

98

96
95

85

100

90

88
88
88
83
100

0
14.9

Yield

(bu/A!

34.5
49.8
50.9

47.6

42.0

58.2

59.9

60.7

34.5
37.3
40.5
49.7
47.9

31.3
22.8

Added to each: X-77 surfactant @ 0.25%.
2 ,4-D-butoxyethyl low volatile ester.

-82-

No-till corn in alfalfa and mammoth red clover sod

Koethe, Robert W., Gary D. Bickmeier, Ellery L. Knake,
Glenn A. Raines and Mike Vose.

Objective: The primary purpose of this study was to evaluate several
herbicide treatments for no-till corn in alfalfa or clover sod.

Procedure: The study was conducted at the University of Illinois Orr
Agricultural Research and Demonstration Center near Perry on Fayette and Downs
silt loam with 1 to 2% organic matter and 4 to 7% slope. Vernal alfalfa and
mammoth red clover were seeded in separate strips on May 3, 1986. A
randomized complete block design with four replications was used in 1987.
Herbicides were applied on the afternoon of May 1, 1987 using a tractor
mounted compressed air spray unit with flat fan nozzle tips, 30 psi, and 3 mph
to give 25 gpa. FS 6933 corn was planted at 22,500 seeds per acre in 30 inch
rows. Weather conditions on May 1, the day of spraying, were: air
temperature 40 to 68°F, soil temperature at 4 inches under sod 57 to 64°F,
relative humidity 32 to 92% and wind speed 8 mph. Residue cover was 90%. The
2,4-D was a butoxyethyl low volatile ester formulation. Anhydrous ammonia was
applied on June 11 to give 200 lb/A nitrogen. Weed control ratings were made
on June 11 by visual estimate. There was 0.26 inch of rain a little over a
week before the May 1, spraying and 0.33 inch three days after spraying, but
no further rain for the next 13 days.

Results I The 0.5 lb/A 2,4-D plus 0.25 lb/A dicamba gave very good
control of alfalfa and clover and was better than 0.5 lb/A 2,4-D. Clopyralid
at 0.25 lb/A also gave good control of clover and alfalfa. Control of annual
grass with metolachlor or cyanazine plus atrazine was only fair and clopyralid
is not intended for grass control. The metolachlor or cyanazine plus atrazine
treatments gave excellent control of redroot pigweed. Most treatments except
clopyralid alone gave good control of velvetleaf and most treatments gave good
control of dandelion. The major weakness was in control of annual grass which
might have been improved by addition of an adjuvant with the triazines or by
earlier treatment prior to grass emergence. Use of paraquat or tridiphane
would be other possibilities. (Dep. of Agronomy, University of Illinois,
Urbana)

- 83 -

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-84-

Herbicides for establishing alfalfa

Koethe, Robert W. , Ellery L. Knake, Gary D. Bickmeier,
Glenn A. Raines and Mike Vose

Objective: The primary purpose of this study was to evaluate several
herbicide treatments for control of weeds when establishing a new seeding of
alfalfa.

Procedure: This study was established in 1987 at the University of
Illinois Orr Agricultural Research and Demonstration Center near Perry on
Fayette and Rozetta silt loam. The field had been in no-till soybeans the
previous year. The field was moldboard plowed and disked on May 2. On May 4,
120 lb/A P^Or ana" 400 lb/A K~0 was applied. On May 7 a cultimulcher was used,
then 18 lb/A of Jubilee alfalfa was seeded with a drill and a cultimulcher
used again for firming. A randomized complete block design with three
replications was used. Individual plots were 10 x 60 ft.

Herbicides were applied 10:00 to 11:00 a.m. on May 28 with a tractor
mounted compressed air spray unit with flat fan nozzle tips, 30 psi, and 3 mph
to give 25 gpa. The dimethylamine salt formulation of 2,4-DB was tank mixed
with the herbicides intended for grass control. At time of application,
annual grass was 4 inches tall and velvetleaf 6 inches. In addition to fall
panicum, some giant foxtail and large crabgrass were present. Weed control
ratings were made on June 11 by visual estimate. There was 2 inches of rain
during the 10 days prior to the May 28 spraying and 1.5 inches during the week
after spraying.

Results: All herbicides intended for annual grass control gave excellent
results with no injury to the alfalfa. The 2,4-DB gave excellent control of
common lambsquarters but only fair control of velvetleaf. Subsequent mowing
helped to provide further control of velvetleaf. The area had significant
potential for dense weed growth but the herbicide treatments gave very good
weed control, resulting in a good stand of alfalfa. Although no direct
comparison was made, addition of 2,4-DB did not appear to be antagonistic with
the herbicides used for grass control. (Dep. of Agronomy, University of
Illinois, Urbana)

-85-

TabLe. Herbicides for establishing alfalfa. (Koethe,
Knake, Bickmeier, Raines and Vose)

Control

Treatment Rate Fapa Colq Vele

(lb/A) (%) (%) (%)

Sethoxydim 0.25 100 100 50

Fluazifop-P 0.25 100 100 50

DPX-Y6202-31 0.063 100 100 50

Fenoxaprop 0.125 100 100 50

LSD (0.05) 0.1 0.1 0.1

2,4-DB @ 0.5 lb/A and 1 qt/A COC (crop oil concentrate -
a petroleum oil additive with 17% emulsifier) was added
to each treatment.

-86-

Herbicides for no-till corn

Koethe, Robert W., Gary D. Bickmeier, Ellery L. Knake,
Glenn A. Raines and Mike Vose

Objective: The purpose of this study was to evaluate several herbicide
treatments for no-till corn on sloping land subject to erosion.

Procedure: This study was established at the University of Illinois Orr
Agricultural Research and Demonstration Center near Perry on a field with
Rozetta silt loam with 2% organic matter and 2 to 7% slope. The field was in
no-till corn in clover sod the previous year. Herbicides were applied on May
1, 1987. Air temperature ranged from 40 to 68°F for the day, soil temperature
at 4 inches under sod 57 to 64°F and relative humidity 32 to 92%. Wind was 8
mph. Plant residue gave 90% cover of the soil. A tractor mounted compressed
air sprayer was used with flat fan nozzle tips, 30 psi, and 3 mph to give 25
gpa broadcast. 'FS 6933' corn was planted at 22,500 seeds per acre in 30 inch
rows on May 7. Anhydrous ammonia was applied on June 11 to give 200 lb/A
nitrogen. Weed control ratings were made on June 11 by visual estimate.
Giant foxtail had emerged and was one inch tall at time of spraying. There
was 0.26 inch of rain a little over a week before spraying and 0.33 inch three
days after spraying but no further rain for the next 13 days.

Results : All treatments gave excellent control of redroot pigweed and
velvetleaf. Treatments including both metolachlor and cyanazine gave fair
control of giant foxtail but best control was with the treatment that included
paraquat. (Dep. of Agronomy, University of Illinois, Urbana)

-87-

Table. Herbicides for no-till corn. (Koethe, Bickmeier, Knake, Raines and Vose)

Treatment

Rate

Control

Gift Rrpw Vele

Corn
Yield

(lb/A)

(%)

(%)

(%) bu/A

Cyanazine + atrazine + COC

Cyanazine + atrazine + metolachlor + COC

Atrazine + metolachlor + COC

Paraquat + atrazine + X-77

LSD (0.05)

2.0 + 1.0 + 1 qt

73

100

100

58.7

2.0 + 1.0 + 2.0 + 1 qt

83

100

100

69.8

2.0 + 2.0 + 1 qt

73

100

100

61.0

0.4 + 2.0 + 0.25%

90

100

100

111.1

12.1

0.1

0.1

47.8

-88-

Herbicides for soybeans no-till

Koethe, Robert W., Gary D. Bickmeier, Ellery L. Knake,
Glenn A. Raines and Mike Vose

Objective: The primary purpose of this study was to evaluate several
herbicide combinations for no-till soybeans.

Procedure: This study was conducted at the University of Illinois Orr
Agricultural Research and Demonstration Center near Perry on Rozetta and Elco
silt loam with 1 to 2% organic matter on 7 to 12% slope subject to severe
erosion. Herbicides were applied on May 7 with a tractor mounted compressed
air spray unit with flat fan nozzle tips, 30 psi and 3 mph to give 25 gpa.
Air temperature for the day ranged from 40 to 68°F, soil temperature at 4
inches under sod 57 to 64°F and relative humidity 32 to 92%. Wind speed was 6
mph and the sky had 5% cloud cover. The 2,4-D was a butoxyethyl low volatile
ester formulation. The plant residue from the previous year gave 60% cover.
X-77 surfactant at 0.25% was added to each treatment. Giant foxtail was one
inch tall and tall fescue 12 inches tall at time of application. 'FS 348'
soybeans were planted on May 20 using 67 lb/A seed in 30-inch rows. The
design was a randomized complete block with three replications. Ratings were
made on June 11 by visual estimate. The only appreciable rain during the 13
days prior to the May 7th spraying was 0.33 inch on May 4. There was no rain
following the May 7 application until the 11th day with 0.72 inch.

Results : All treatments gave good control of redroot pigweed and most
other annual broadleaf weeds. Control of giant foxtail ranged from 83 to 93%
with haloxyfop at 0.25 lb/A controlling grass as well or better than oryzalin,
cinmethylin or pendimethalin. Paraquat and haloxyfop each gave partial
control of tall fescue. (Dep. of Agronomy, University of Illinois, Urbana)

-89-

TabLe. Herbicides for soybeans no-till. (Koethe, Bickmeier, Knake, Raines and Vose)

Treatment

Oryzalin + linuron + chlorimuron
Cinmethylin + linuron + chlorimuron
Paraquat + pendimethal in + fomesafen
Haloxyfop + imazaquin + 2,4-D

Rate

(lb/A)

1.0 + 0.47 + 0.03

1.0 + 0.47 + 0.03

0.25 + 1.0 + 0.25

0.25 + 0.125 + 0.25

Control

Tall

Gift

Rrpw

Fescue

(%)

(%)

(%)

83

100

0

83

100

0

90

100

57

93

100

43

LSD (0.05)

12.1

0.1

24.0

-90-

Control of grass weeds in clover
Koethe, Robert W., Ellery L. Knake, Gary D. Bickmeier, and Glenn A. Raines

Objective: The purpose of this study was to evaluate several herbicides
for postemergence control of annual and perennial grasses in red clover.

Procedure: This study was conducted at the University of Illinois Orr
Agricultural Research and Demonstration Center near Perry on Atlas silt loam
with 1 to 2% organic matter and 12 to 18% slope subject to severe erosion.
Red clover was established by seeding in the spring of 1986. Observations in
the spring of 1987 indicated that the established clover had winter-killed but
there was a dense new growth of clover seedlings from seed produced in 1986.
The area had been in tall fescue several years earlier and some fescue had
reinvaded.

Herbicides were applied in the afternoon of May 1, using a tractor
mounted compressed air spray unit with flat fan nozzle tips, 30 psi and 3 mph
for 25 gpa broadcast. Air temperature for the day ranged from 40 to 68°F,
soil temperature at 4 inches under sod was 57 to 64°F and relative humidity 32
to 92%. Wind was 8 mph. Tall fescue was 12 inches tall and giant foxtail one
inch tall at time of application. Ratings were made on June 11 by visual
estimate. The design was a randomized complete block with three
replications. There was 0.26 inch of rain a little over a week before the
May 1, spraying and 0.33 inch three days after spraying but no further rain
for the next 13 days.

Results: All treatments gave excellent control of giant foxtail. All
treatments except fenoxaprop gave significant suppression of tall fescue but
not complete kill. Annual broadleaf weeds were controlled by the 2,4-DB.
(Dep. of Agronomy, University of Illinois, Urbana)

-91-

Table. Control of grass in clover. (Koethe, Knake,
Bickmeier, and Raines)

Control

Tall
Treatment Rate Gift Fescue

(lb/A) (%) (%)

Sethoxydim
Fluazifop-P
DPX-Y6202-31
Fenoxaprop

LSD (0.05) 0.1 9.3

Each treatment included 0.5 lb/A dimethylamine salt

formulation of 2,4-DB and 1 qt/A COC (crop oil

concentrate - a petroleum oil additive with 17%
emulsif ier).

0.25

100

83

0.25

100

63

0.125

100

80

0.125

100

10

-92-

MULTIPLE LOCATIONS

Rotational crop injury potential for corn following clomazone,
imazaquin, imazethapyr and chlorimuron in Illinois

Curran, William S. and Ellery L. Knake

Objective; The objective of this study is to determine the potential of
four soybean herbicides to persist and affect corn the year following
application.

Procedure: Studies were initiated in 1986 with imazaquin, imazethapyr,
clomazone and chlorimuron at three locations in Illinois. Herbicides were
surface-applied for soybeans in 1986 using four different rates of each at
DeKalb and Monmouth, Illinois, and three different rates of each at Urbana,
Illinois. Chloramben was applied at 3.0 lb/A for the check treatments in
1986. Locations at Urbana and DeKalb were on Drummer silty clay loam with
approximately 6.0% organic matter and soil pH levels of 6.2 and 6.0
respectively. The Monmouth study was on a Muscatine silt loam with 4.5%
organic matter and a soil pH of 7.2. All studies were established as
randomized complete block designs with four replications. Tillage prior to
1986 soybean planting included fall chiseling and spring disking at DeKalb and
Monmouth and moldboard plowing followed by spring disking at Urbana.
Herbicides were applied May 7 at DeKalb, May 8 at Monmouth, and May 15, 1986
at Urbana, with a tractor mounted compressed air sprayer operated at 30 psi
calibrated to give 25 gpa. Soybeans were grown in 1986 and evaluated for crop
tolerance. Soil moisture was low both at planting time and late in the season
in 1986. At Urbana, soybeans were cultivated once in 1986, while the DeKalb
and Monmouth studies were not cultivated. Both soybeans and corn were
maintained weed-free by hand weeding. In 1987, Pioneer 3377 corn was planted
no-till in the soybean stubble to give 26,000 plants/A at all three
locations. Fertility levels at Urbana prior to corn planting were P, = 73, K
test = 376, and Nitrogen was applied at 200 lb/A. At DeKalb 120 lb/A each of
P0O5 and K2O, plus 240 lb/A N were applied prior to corn planting. Monmouth
fertility levels were Pi = 75, and K test of 350. Nitrogen was applied at 180
lb/A. Alachlor at 3.0 lb/A and 2.0 lb/A of atrazine were broadcast over the
entire plot areas for annual weed control. In 1987, soil moisture was low at
planting and through early plant development at all three locations. Normal
rainfall occurred thereafter at Urbana and DeKalb, but Monmouth soil moisture
remained low throughout the season. Corn was evaluated for plant emergence
and stand, early and late season visual injury, early and late season plant
height, seedling dry weight, stalk diameter, and grain yield. Visual injury
ratings were expressed as a percent bleaching or "whiteness" for clomazone and
percent stunting and/or chlorosis for imazaquin, imazethapyr, and
chlorimuron. The study is being repeated in the 1987-88 rotational season.

Results: Soybean tolerance in 1986 was considered good at all rates and
locations except for the high rate of imazaquin and the two highest rates of
chlorimuron at Monmouth. Soybeans appeared slightly stunted with these
treatments and there was a small yield reduction (Table 1). In 1987, early
season corn injury was moderate with clomazone at Urbana. Injury averaged 39

-93-

percent with occasional plant death from the 2.0 lb/A rate (Table 2). Other
locations showed little visual injury. By mid-season, corn had almost
completely recovered from any clomazone injury at Urbana and the other
locations. Imazaquin injury was only slight at all three locations. Corn
seedling dry weight and height were both slightly depressed at Urbana and
DeKalb, but by mid-season the crop had recovered. No significant injury from
imazethapyr was noted at any location. For chlorimuron at the highest rate,
early season corn injury, as indicated visually, by seedling dry weight, and
by seedling plant height, was slight at Urbana and DeKalb and moderate at
Monmouth. By mid-season, corn at Urbana and DeKalb showed recovery, while at
the Monmouth location, both visual ratings and plant height measurements
indicated significant effect from the two highest rates of chlorimuron. High
soil pH may have prolonged chlorimuron persistence at Monmouth. However, corn
yields indicated no statistically significant yield reductions from any of the
four herbicides at any of the three locations. (Dep. of Agronomy, University
of Illinois, Urbana)

-94-

Table L. Effect of herbicides on weed-free soybeans (1986)

lb/A

DeKalb

bu/A

Monmouth

Urbana

Clomazone

0.75

54.10

57.21

Clomazone

1.0

54.40

61.23

Clomazone

1.5

54.88

60.60

Clomazone

2.0

54.55

60.24

Imazaquin

0.062

53.73

59.40

Imazaquin

0.125

52.95

57.32

Imazaquin

0.187

55.47

58.23

Imazaquin

0.25

55.43

54.21"

Imazethapyr

0.0A7

55.88

58.70

Imazethapyr

0.094

55.23

57.13

Imazethapyr

0.141

55.38

56.31*

Imazethapyr

0.188

54.40

57.18

Chlorimuron

0.016

54.55

59.84

Chlorimuron

0.031

55.52

59.08

Chlorimuron

0.063

54.30

55.30*

Chlorimuron

0.094

53.98

54.27*

Amiben - Check

3

53.02

59.27

LSD 0.05

2.89

2.62

34

.21

37

,58

36

.80

36,

,80

32

,65

34,

,21

34,

,21

31,

,88

34,

,73

37.84*

36.28

37.06

32.65

4.99

Significantly differs from check.

-95-

Table 2. Effect of clomazone, imazaquin, imazethapyr and chlorimuron on rotational
corn at Urbana (1987)

Herbicide

Injury
Rate Early Late

Clomazone
Clomazone
Clomazone

Imazaquin
Imazaquin
Imazaquin

Imazethapyr
Imazethapyr
Imazethapyr

Chlorimuron
Chlorimuron
Chlorimuron

Check

LSD (0.05)

(lb/A) %

1
0
2

1.0

6

1.5

18*

2.0

39*

0.125

0

0.188

3

0.25

0

0.094

0

0.141

0

0.188

0

0.031

3

0.063

0

0.094

0

0.0

5->.

5*

0
2
1

3
3

1

0 0
8 3

Seedling
dry wt .

-(g)--

4
4
3

.78
.28
.43

4
4
3

.31
.58
.37

3
3
3

.73
.67
,45

4
3
3

.18
.94
.20*

4.

.30

1.

02

Plant ht.
Early Late

(cm)

37,2

237

37.2

236

35.3

232*

35.6

232*

36.7

233

33.8*

235

35.5

237

35.5

233

36.8

238

34.2*

233

35.5

234

33.2*

233

39.0

239

4.5

6

Grain
Yield

(bu/A)

211.2
216.0
209.2

211.8
209.7
207.5

213.9
210.4
208.8

212.9
211.8
210.6

213.3

7.9

Significantly differs from check,

-96-

Table 3. Effect of clomazone, imazaquin, imazethapyr, and chlorimuron on rotational
corn at DeKalb (1987)

Injury

Seedling

Plant

ht.

Grain

Herbicide

Rate

Early

Late

dry wt .

Early

Late

Yield

(lb/A)

-%

-(g)-

(cm

)

(bu/A)

Clomazone

0.75

0

1

2.47

26.8

200

171.3

Clomazone

1.0

2

0

2.43

28.8

198

163.9

Clomazone

1.50

1

2

2.24

30.0

197

165.2

Clomazone

2.0

4*

1

1.94*

27.3

193

165.8

Imazaquin

0.062

0

2

2.10

29.3

190

164.3

Imazaquin

0.125

1

1

2.42

27.0

194

163.3

Imazaquin

0.188

1

3

2.03*

26.8

189

167.3

Imazaquin

0.25

2

4

1.75*

26.0*

189

159.0

Imazethapyr

0.047

0

2

2.05*

27.5

197

170.4

Imazethapyr

0.094

0

1

2.10

27.8

198

165.9

Imazethapyr

0.141

2

2

2.28

28.0

194

162.5

Imazethapyr

0.188

1

2

2.16

26.8

196

159.2

Chlorimuron

0.016

1

1

2.08*

28.0

192

165.1

Chlorimuron

0.031

0

1

1.93*

27.8

195

162.2

Chlorimuron

0.063

0

2

2.14

26.8

195

161.0

Chlorimuron

0.094

5*

5*

1.93*

27.8

188

159.6

Check

0

2.45

28.3

195

164.1

LSD (0.05)

0.36

1.7

8

8.4

Significantly differs from check.

-97-

Table 4. Effect of clomazone, imazaquin, imazethapyr, and chlorimuron on rotational
corn at Monmouth (1987)

Herbicide

Rate

Injury
Early Late

Seedling
dry wt.

Plant ht.
Early Late

Grain
Yield

(lb/A)

-(g)-

(cm)

(bu/A)

Clomazone
Clomazone
Clomazone
Clomazone

Imazaquin
Imazaquin
Imazaquin
Imazaquin

Imazethapyr
Imazethapyr
Imazethapyr
Imazethapyr

Chlorimuron
Chlorimuron
Chlorimuron
Chlorimuron

Check

LSD (0.05)

0.75
1.00
1.50
2.00

0.062
0.125
0.188
0.25

0.047
0.094
0.141
0.188

0.016
0.031
0.063
0.094

0
0
0
0

2
1
0

1

0
0

1

0

1

5*

8*

12*

0
3

0
0

1
1

0
0
0
2

0
0
0
0

1

1

4*
7*

0
2

3.53

3.57
3.34
4.02*

2.89
3.53
3.80
3.09

3.81
3.57
3.64
3.00

2.98
2.69
2.25*
2.35*

3.25
0.66

38.5

256

39.0

258

38.2

256

41.0*

261

35.7

252

37.1

255

38.2

262

34.9

255

40.9*

261

40.6*

258

39.7

254

35.0

259

36.1

252

34.4

252

31.4*

245

31.8*

243

36.2

254

4.38

10

-\

179.5
180.2
174.1
185.7

180.9
182.6
177.9
181.5

179.7
175.1
180.0
183.7

179.9
176.9
168.5
172.1

179.1
10.8

Significantly differs from check.

-98-

Soybean tolerance to clomazone, imazaquin
imazethapyr and chlorimuron (1987)

Curran, William S. and Ellery L. Knake

Objective: This is a continuation of a herbicide persistence study
initiated in 1986 at three locations in Illinois. The objective of this study
is 1) to evaluate soybean tolerance and yield to chlomazone, imazaquin,
imazethapyr, and chlorimuron, and 2) determine rotational crop injury
potential the following year for these four herbicides.

Procedure: In 1987, this study was continued at the Northern Illinois
Agronomy Research Center near DeKalb, and the Northwestern Illinois
Agricultural Research and Demonstration Center near Monmouth. At DeKalb,
herbicides were applied preemergence on May 8, 1987 to a Drummer silty clay
loam with an approximate soil pH of 6.2 and 6.0% organic matter content. The
previous fall, 120 lb each P2O5 and 100 were applied to the plot area. The
field was moldboard plowed and spring disked and harrowed. At application
time, the sky was clear and the soil was dry with an air temperature of 68
F. The soil temperature was 60 F at a two inch depth. Herbicides were
applied using a tractor mounted compressed air sprayer equiped with 8003
nozzle tips delivering 25 gallons per acre. BSR 201 soybeans were seeded in
30 inch rows. At Monmouth, herbicides were applied preemergence May 6, 1987
to a Sable silty clay loam with approximately 5.5% organic matter and a soil
pH of 7.0. The field was fail chiseled and spring disked and field
cultivated. Fertility levels at planting were PI = 75 and a K-test of 350.
Herbicides were applied with a tractor mounted compressed air sprayer using
8003 nozzle tips delivering 25 gallons per acre. The sky was clear and the
soil was dry at application time. The air temperature was 80 F with a soil
temperature of 70 F at a two inch depth. Shawnee II soybeans were seeded in
30 inch rows. DeKalb remained dry for 9 days after application, but then
received approximately 3.0 inches of rain from day 10 to day 15. Monmouth
received no rain for 14 days after application and then received approximately
1.2 inches of rain from day 14 to day 24. The Monmouth location remained
relatively dry throughout the summer. Both the Monmouth and DeKalb locations
were maintained weed-free by the addition of 0.2 lb/A fluazifop and 1.0 lb/A
bentazon approximately three weeks after emergence and by handweeding.

Results: Weed control was erratic at both locations. Additional annual
grass and yellow nutsedge control measures were needed at both locations.
Crop tolerance was excellent even at the highest herbicide rates. No
significant difference in soybean yield occurred with any of the treatments.

-99-

Table. Effect of clomazone, imazaquin, imazethapyr
and chlorimuron on weed-free soybean yield at
two locations (1987). (Curran and Knake)

Herbicide

Rate

DeKalb

Monmouth

(lb/A)

-(bu\A)

Clomazone

0.75

43.8

51.1

1.0

42.1

50.2

1.5

42.8

50.5

2.0

44.9

49.8

Imazaquin

0.062

43.0

50.4

0.125

43.8

49.4

0.188

42.7

50.2

0.25

45.7

50.6

Imazethapyr

0.047

42.8

47.7

0.094

42.8

51.1

0.141

43.4

49.8

0.188

41.3

50.0

Chlorimuron

0.016

42.0

50.8

0.031

40.5

47.4

0.062

41.2

48.0

0.094

42.6

50.4

Amiben-check

3.0

41.4

49.0

LSD (0.05)

4.9

3.8

APPENDIX

WEATHER CONDITIONS - 1987

-101-

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER AT DEKALB

APRIL 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
• Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

28

49

43

45

45

85

0.02

2

20

36

42

43

43

81

—

3

17

38

41

43

37

82

—

4

20

47

41

42

50

74

—

5

28

54

41

43

40

72

—

6

35

61

42

45

54

86

—

7

30

67

44

46

36

73

—

8

28

60

45

47

36

96

—

9

22

69

46

49

32

94

—

10

37

61

46

50

46

97

0.10

11

38

53

48

51

64

100

0.24

12

37

55

48

50

54

100

0.05

13

34

50

49

50

76

100

0.26

14

45

57

50

51

82

100

0.75

15

36

56

50

52

63

100

—

16

41

62

51

53

49

99

—

17

36

68

51

54

48

98

—

18

39

71

52

55

41

98

—

19

43

75

53

56

40

96

— ,

20

47

86

55

57

35

93

—

21

40

61

56

59

57

100

0.53

22

41

48

57

58

94

100

0.89

23

40

51

55

57

72

98

0.11

24

32

55

52

55

40

84

— —

25

32

63

52

54

34

83

— —

26

37

69

52

54

36

82

— —

27

44

64

53

55

32

94

— —

28

37

64

54

57

35

70

— —

29

42

79

55

58

38

60

—_

30

33

58

55

58

38

84

•~

-102-

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER AT DEKALB

MAY 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

35

70

56

58

37

67

—

2

46

57

56

58

65

100

0.49

3

36

48

55

57

66

100

—

4

32

58

54

56

36

94

—

5

33

65

54

57

37

89

—

6

38

72

55

58

34

86

—

7

43

70

56

59

40

70

—

8

43

71

57

60

38

84

—

9

49

80

58

61

37

57

—

10

58

83

60

62

40

78

T

11

49

86

61

64

44

74

T

12

39

62

61

64

44

76

—

13

36

76

61

64

48

86

—

14

51

80

61

64

49

87

T

15

41

66

61

64

39

86

T

16

39

80

61

64

38

76

—

17

49

85

62

65

48

99

0.39

18

58

77

63

67

59

100

0.46

19

57

80

64

68

59

100

0.55+

20

56

78

65

68

80

100

1.81

21

58

83

66

69

0.20

22

48

60

65

68

—

23

43

48

63

65

54

100

—

24

42

51

62

63

—

25

43

66

61

62

0.28

26

66

80

61

64

58

92

0.01

27

64

85

63

67

48

95

—

28

64

85

66

69

43

95

0.08

29

62

84

66

69

44

97

0.01

30

61

75

67

69

59

98

0.04

31

57

82

67

70

41

98

0.37

-103-

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER AT DEKALB

JUNE 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

59

80

67

70

53

100

T

2

62

75

67

70

74

100

0.23

3

53

74

68

69

39

100

—

4

48

70

67

69

41

93

—

5

52

82

67

70

42

82

—

6

60

81

67

70

44

74

—

7

62

87

68

70

43

82

—

8

58

87

69

72

50

88

—

9

46

72

70

73

47

94

—

10

43

75

68

73

46

93

—

11

60

82

69

74

63

100

1.96

12

68

85

70

74

50

100

—

13

59

89

70

77

42

100

—

14

66

93

72

78

46

94

—

15

58

82

73

78

40

91

—

16

56

88

73

77

40

88

—

17

58

89

73

76

46

88

— —

18

60

89

74

77

42

100

—

19

64

83

74

77

51

98

—

20

66

82

74

77

60

100

0.20

21

67

78

74

76

72

100

T

22

66

77

81

100

T

23

55

86

47

100

T

24

60

86

~ —

25

56

75

0.11

26

54

73

27

48

70

28

56

82

**" ^

29

58

77

0.23

30

64

76

0.08

-104-

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

APRIL 1987

Soil Temp °F Precipitation

Date Air Temp °F 4" bare soil Humidity % inches

Min. Max. Min. Max. Min. Max.

1 0.01

2

3

4
5
6

7 37 60 45

8 31 69 42

9 20 70 41

10 34 71 41

11 40 75 46 61 26 98 0.68

12 43 59 48 98 98 0.23

13 39 61 45

14 48 58 45 52 98 100 0.39

15 42 61 48 54 100 100 0.64

16 47 60 47 56 100 100 0.04

17 44 63 50 60 100 100 0.02

18 45 71 49

19 48 76 49

20 52 80 55

21 54 88 56

22 45 65 52 66 58 100 0.34

23 43 54 50 53 100 100 0.19

24 40 62 48

25 36 59 46

26 40 67 45

27 44 73 47

28 36 71 49

29 46 69 49

30 38 86 52

63

64

66

61

26

98

57

98

98

60

98

98

52

98

100

54

100

100

56

100

100

60

100

100

68

44

100

70

38

100

69

34

96

75

30

96

66

58

100

53

100

100

62

50

96

61

28

64

63

22

62

69

25

100

71

18

94

71

18

50

77

24

67

-105-

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

MAY 1987

Soil Temp °F Precipitation

Date Air Temp °F 4" bare soil Humidity % inches
Min. Max.

35

59

51

72

51

62

35

54

33

62

37

69

50

77

44

75

48

76

59

85

60

89

48

89

42

65

54

83

51

87

42

70

53

84

63

90

62

81

60

86

62

83

59

90

51

63

47

58

48

60

57

72

66

86

67

90

64

90

67

79

62

85

Min.

Max.

Min.

Max.

51

71

36

84

51

72

22

96

51

71

80

96

47

57

60

98

46

67

28

96

48

71

22

95

50

76

20

60

57

79

26

96

57

80

20

50

59

79

22

76

63

81

30

72

58

81

36

96

55

74

22

94

54

79

34

92

61

79

38

94

59

79

22

96

59

82

22

78

63

84

38

98

67

76

72

100

66

80

55

96

66

79

78

96

66

81

46

96

60

69

70

96

57

66

66

96

55

66

70

98

58

66

96

98

63

79

54

96

67

83

42

90

68

85

36

96

69

86

36

96

68

84

54

96

1

2

3 51 71

4

5

6

7

8

9
10
11
12 48 89 58 81 36 96 0.15

13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

1.19
1.69
0.14

0.14

0.28

0.15

-106-

NORTHEASTERN

ILLINOIS

AGRONOMY RESEARCH

CENTER

- ELWOOD

JUNE 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humidity %
Min. Max.

inches

1

64

88

67

86 ■

33

98

0.70

2

64

84

68

82

50

96

0.40

3

60

79

67

78

70

96

0.60

4

49

79

62

80

28

96

—

5

51

75

62

81

34

96

--

6

59

86

62

86

36

96

—

7

63

85

67

87

32

96

—

8

67

88

70

88

38

78

—

9

55

90

69

90

50

96

—

10

47

70

63

85

34

96

—

11

58

77

63

84

34

96

—

12

66

84

67

80

50

96

0.17

13

59

91

71

91

40

96

—

14

65

93

72

95

34

98

—

15

68

99

74

98

30

98

—

16

62

87

74

93

26

86

—

17

58

91

74

95

32

96

—

18

65

94

73

96

34

96

—

19

66

93

76

97

36

93

—

20

68

86

76

88

48

97

—

21

66

87

74

89

60

96

0.29

22

66

83

72

82

69

100

—

23

58

81

69

81

70

96

—

24

64

87

69

92

44

96

—

25

66

89

74

95

46

96

--

26

58

81

68

83

60

96

0.60

27

51

80

65

86

36

96

—

28

55

77

67

85

36

96

—

29

61

84

67

89

34

98

—

30

67

83

70

78

54

96

0.85

-107-

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

APRIL 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

26

44

34

41

36

92

—

2

25

52

34

43

50

92

0.01

3

21

41

34

43

30

84

—

4

21

43

34

45

30

80

—

5

29

51

34

48

24

74

—

6

41

62

40

54

32

70

—

7

34

66

42

54

26

66

—

8

36

70

42

60

22

74

—

9

34

68

46

62

22

68

—

10

45

75

46

64

20

90

—

11

33

55

44

52

68

100

T

12

32

59

43

52

46

100

T

13

41

63

43

60

42

100

0.29

14

41

56

49

50

88

100

0.75

15

45

68

50

61

48

100

0.03

16

48

60

50

56

52

100

T

17

46

68

50

62

44

100

—

18

50

76

50

68

32

100

—

19

52

74

54

67

34

100

—

20

58

82

57

72

32

84

— —

21

58

92

60

77

24

98

— —

22

44

72

54

69

52

100

0.18

23

45

52

51

56

86

100

0.21

24

39

52

46

54

54

100

T

25

38

63

46

61

26

78

— -■

26

45

74

46

65

24

70

— —

27

53

80

55

72

30

100

0.03

28

39

72

52

71

18

86

__

29

48

72

52

72

22

54

""""

30

39

89

58

78

26

76

*~ •"

-108-

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

MAY 1987

Soil Te

o n

mp F

Precipitation

Date

Air

Min

Temp °F
Max.

4M bare
Min.

soil
Max.

Humi
Min.

dity %
Max.

inches

1

39

65

55

73

30

72

—

2

47

84

55

74

30

72

—

3

53

75

59

68

52

100

0.05

4

46

62

54

60

44

100

T

5

39

68

53

70

18

66

—

6

41

69

53

72

24

82

—

7

50

76

55

77

18

68

--

8

46

77

60

78

22

78

—

9

46

78

60

80

21

60

—

10

57

86

60

79

28

86

—

11

60

88

65

81

26

84

—

12

49

90

63

81

34

74

—

13

45

72

60

79

28

88

--

14

56

85

61

81

28

86

—

15

51

87

64

83

24

94

—

16

47

75

63

81

24

76

—

17

60

86

62

82

22

84

—

18

62

90

67

82

40

100

T

19

63

89

69

85

69

96

—

20

66

90

73

89

38

100

0.23

21

65

91

70

85

48

100

0.05

22

51

93

70

87

38

100

--

23

45

63

63

78

56

100

—

24

46

63

63

79

54

100

--

25

49

61

61

66

72

100

0.03

26

55

78

60

69

74

100

0.22

27

67

89

64

82

46

100

—

28

65

91

70

86

36

100

T

29

67

86

77

85

44

96

—

30

68

88

74

85

39

96

T

31

64

85

69

84

57

98

0.78

-109-

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

JUNE 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4M b«

Min.

ire soil
Max.

Humi
Min.

dity %
Max.

inches

1

60

85

67

79

48

98

0.40

2

67

85

68

80

58

100

0.05

3

54

76

63

75

62

100

T

4

47

78

63

82

32

100

--

5

51

75

64

85

32

100

—

6

55

84

66

87

32

100

—

7

57

85

69

87

38

100

—

8

65

88

71

87

34

88

—

9

61

90

73

90

48

100

—

10

55

75

68

82

46

90

--

11

59

78

68

77

54

100

--

12

68

84

70

80

74

100

0.20

13

65

94

72

91

34

100

—

14

68

96

74

94

28

100

—

15

67

100

78

97

30

100

—

16

59

93

76

96

34

80

—

17

65

95

76

95

42

100

—

18

69

94

76

96

44

100

— —

19

65

93

80

97

38

100

—

20

69

86

77

90

68

100

0.79

21

68

83

75

84

78

100

0.39

22

65

84

73

84

66

100

— —

23

68

86

73

89

60

100

— —

24

67

85

76

87

54

100

— —

25

65

89

77

95

48

100

0.20

26

59

79

69

83

54

100

0.60

27

48

76

67

85

34

100

— —

28

53

77

68

78

35

100

~ —

29

65

84

70

90

41

100

T

30

67

83

74

83

55

100

0.01

-110-

URBANA AGRONOMY RESEARCH CENTER
APRIL 1987

Soil Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Ave.

Humi
Min.

dity %
Max.

inches

1

37

42

39

34

78

—

2

26

55

39

52

100

0.13

3

22

39

37

40

100

—

4

23

46

40

32

100

—

5

33

51

42

28

80

—

6

38

57

44

50

100

—

7

40

60

46

48

84

0.03

8

39

71

51

18

80

—

9

30

67

53

24

100

—

10

39

71

55

16

48

--

11

38

73

53

28

100

0.47

12

33

60

48

68

100

0.16

13

44

59

49

66

100

—

14

47

57

49

94

100

1.21

15

44

63

53

86

100

0.42

16

48

54

50

100

100

0.25

17

45

60

52

100

100

—

18

46

67

57

62

100

—

19

55

74

60

46

100

—

20

55

79

64

42

100

—

21

56

85

67

32

100

—

22

48

87

69

36

100

0.28

23

45

68

58

100

100

0.04

24

45

58

54

72

100

0.16

25

38

63

54

30

86

—

26

44

66

57

28

74

—

27

50

74

62

32

100

0.39

28

38

70

58

26

100

—

29

52

68

60

28

68

—

30

44

88

64

28

56

—

-11 1-

URBANA AGRONOMY RESEARCH CENTER
MAY 1987

Soil Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Ave.

Humidity %
Min. Max.

inches

1

38

63

64

34

56

—

2

50

78

64

36

100

—

3

55

85

68

30

100

—

4

43

77

64

60

100

—

5

39

68

60

32

92

—

6

46

70

63

32

82

—

7

53

77

66

28

82

—

8

48

76

71

30

100

—

9

44

77

69

28

76

--

10

54

83

68

34

100

--

11

58

85

70

40

100

—

12

52

87

70

44

100

0.50

13

48

72

66

36

100

—

14

59

83

68

40

100

—

15

56

90

75

34

100

0.02

16

51

74

71

24

96

—

17

56

85

72

24

90

—

18

64

89

75

54

100

1.52

19

67

80

73

84

100

0.07

20

69

88

75

56

100

—

21

65

90

78

64

100

0.10

22

62

90

76

40

100

— —

23

54

76

76

60

100

— —

24

46

69

74

56

100

25

60

77

74

38

100

0.34

26

64

81

72

64

100

0.04

27

67

88

76

44

100

— —

28

65

90

79

36

100

— —

29

67

90

79

38

100

__

30

69

91

79

38

100

""■

31

66

84

76

64

100

0.57

-112-

URBANA AGRONOMY RESEARCH CENTER
JUNE 1987

Soil Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Ave.

Humi
Min.

dity %
Max.

inches

1

65

85

75

58

100

0.01

2

68

88

77

44

100

0.38

3

65

85

74

64

100

0.78

4

56

78

71

28

100

—

5

53

75

73

36

100

—

6

58

83

76

28

100

—

7

58

84

79

36

100

—

8

64

88

79

36

100

—

9

62

90

80

46

100

—

10

52

72

75

46

100

—

11

61

78

75

36

86

—

12

72

86

75

48

100

—

13

65

92

80

36

100

—

14

65

94

80

44

100

—

15

70

100

83

40

100

—

16

67

100

83

46

100

—

17

68

90

83

46

100

—

18

68

92

85

40

100

—

19

71

92

86

34

100

—

20

21

22

70

86

81

74

100

1.17

23

70

86

81

74

100

—

24

70

92

82

46

100

—

25

78

92

83

40

100

—

26

60

85

77

64

100

1.08

27

28

54

78

76

32

100

—

29

64

83

77

36

100

0.02

30

67

88

73

54

100

0.92

-113-

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

APRIL 1987

Soil

Temp °F

Precipitation

Date

Air
Min,

Temp °F
Max.

A" b<

Min.

are soil
Max.

Humi
Min.

dity %
Max.

inches

1

27

50

3A

A6

38

86

—

2

26

56

37

A6

A8

100

T

3

22

A2

35

A3

36

86

—

A

21

A5

3A

AA

35

8A

—

5

29

51

3A

A6

30

7A

—

6

38

63

36

51

36

80

—

7

35

57

A2

50

52

90

—

8

3A

71

A0

59

26

91

—

9

31

70

A3

62

28

92

--

10

3A

75

AA

6A

25

78

—

11

37

56

AA

51

70

100

0.13

12

33

63

A2

52

Al

99

—

13

A3

65

A0

58

A2

100

1.07

1A

50

60

A9

53

78

100

0.79

15

A2

6A

50

60

50

100

0.08

16

A5

60

A8

59

57

97

—

17

A2

67

50

60

A6

100

—

18

A2

75

A9

67

37

100

—

19

51

7A

52

67

A3

100

—

20

5A

79

53

69

A0

98

—

21

59

87

56

73

36

87

— —

22

A6

7A

56

69

60

100

0.2A

23

A3

73

52

58

A6

100

0.02

2A

Al

57

50

55

60

100

T

25

35

67

5A

65

A2

100

— —

26

A3

72

A8

66

30

80

— —

27

A9

80

5A

71

36

92

T

28

38

73

5A

70

2A

7A

~—

29

A5

71

53

70

27

6A

~ ~

30

A7

88

57

6A

32

68

" —

-114-

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

MAY 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

48

68

56

73

32

92

—

2

47

84

56

75

42

78

—

3

56

84

61

78

40

100

—

4

49

67

57

65

54

94

0.33

5

38

68

52

65

25

84

—

6

39

69

51

69

30

100

--

7

47

75

54

73

25

86

—

8

43

77

57

75

27

100

—

9

42

78

57

77

26

100

--

10

54

83

58

78

32

82

—

11

60

84

62

78

38

84

--

12

54

86

64

78

38

70

--

13

41

74

62

80

34

97

—

14

55

83

61

81

42

86

—

15

54

88

65

82

30

86

—

16

38

76

63

82

50

100

—

17

45

83

62

82

56

96

—

18

61

87

66

78

56

97

0.72

19

61

85

66

81

28

98

0.17

20

66

87

69

84

27

99

—

21

61

89

70

84

56

98

0.24

22

56

89

67

82

48

98

0.67

23

43

66

61

74

61

99

—

24

46

68

60

76

53

98

—

25

49

70

61

71

57

94

—

26

59

81

64

75

57

96

0.19

27

67

85

64

80

55

94

—

28

62

86

69

80

46

97

—

29

64

83

69

79

54

96

—

30

65

85

70

75

52

98

0.06

31

64

82

70

78

55

97

—

-115-

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

JUNE 1987

Soil

Temp °F

Precipitation

Date

Air
Min

Temp °F
Max.

4" bare soil
Min. Max.

Humi
Min.

dity %
Max.

inches

1

60

87

69

84

40

99

0.09

2

68

86

70

84

42

82

—

3

55

84

66

79

60

97

1.35

4

50

76

63

76

26

96

—

5

44

74

67

76

34

98

—

6

45

81

62

80

39

98

—

7

51

84

65

82

36

90

—

8

64

86

68

83

38

86

—

9

65

89

69

85

60

96

—

10

49

75

68

80

41

66

—

11

56

78

67

77

55

98

—

12

68

82

70

77

60

98

T

13

68

92

71

88

36

92

—

14

71

93

75

91

37

86

T

15

67

97

76

93

34

100

—

16

61

97

77

94

30

91

—

17

64

93

78

94

42

97

—

18

64

92

79

92

45

97

—

19

65

92

77

91

31

98

—

20

67

87

76

86

56

98

0.45

21

66

89

75

85

52

98

0.14

22

64

86

74

84

53

100

—

23

66

91

73

90

38

96

T

24

66

80

74

79

70

96

-—

25

62

89

73

92

43

97

T

26

57

80

70

82

48

96

0.15

27

46

80

68

84

29

98

■ *""

28

49

78

67

84

25

98

— —

29

63

81

67

81

46

100

0.10

30

69

86

73

80

40

84

0.23

-116-

TERMINOLOGY FOR HERBICIDES IN THIS REPORT

Common Name or
Code Name

Trade Names

Company

AC 263,499 (imazethapyr)

AC 263,222

Acetochlor

Acif luorfen

ALachlor

Atrazine

BAS-51400

BAS-51702 (cycloxydim)

Bentazon + atrazine

Bromoxynil

Butylate + dichlormid

CGA-180937

Chloramben

Chlorimuron (DPX-F6025)

Cinmethyl in

Clethodim (RE45601)

Clomazone

Clomazone + trifiuralin

Clopyralid

Cyanazine

Cyanazine + atrazine 2:1

Cyanazine + atrazine 3:1

2,4-D butoxyethyl ester

2,4-DB

Dicamba

Dicamba + atrazine

DPX-L8348

DPX-M6316

DPX-R8260

DPX-Y6202

DPX-Y6202-31 (resolved isomer)

EPTC

EPTC + dichlormid

Ethalf luralin

Fenoxaprop

Fluazif op-P

Fluroxypyr

Fomesafen

Glyphosate

Glyphosate + alachlor (1.4:2.6)

Haloxyf op

HOE-39866

Imazaquin

Lactof en

Linuron

Metolachlor

Pursuit

Cadre

Harness

Blazer, Tackle

Lasso

AAtrex

Laddock

Brominal, Buctril
Sutan+

Amiben

Classic

Cinch

Select

Command

Commence

Lontrel

Bladex

Extrazine

Conquest

Weedone LV4

Butyrac 200

Banvel

Marksman

Preview

Harmony

Lorox Plus

Assure

Assure

Eptam

Eradicane

Sonalan

Whip

Fusilade 2000

Starane

Reflex

Roundup

Bronco

Verdict

Ignite

Scepter

Cobra

Lorox, Linex

Dual

American Cyanamid

American Cyanamid

Monsanto

BASF, Rhone-Poulenc

Monsanto

CIBA-Ceigy

BASF

BASF

BASF

Rhone-Poulenc

Stauf fer-ICI

CIBA-Ceigy

Rhone-Poulenc

DuPont

DuPont

Chevron

FMC

Elanco, FMC

Dow

DuPont

DuPont

DuPont

Rhone-Poulenc

Rhone-Poulenc

Sandoz

Sandoz

DuPont

DuPont

DuPont

DuPont

DuPont

Stauffer-ICI

Stauffer-ICI

Eli Lilly

Hoechst

ICI

Dow

ICI

Monsanto

Monsanto

Dow

Hoechst

Cyanamid

PPG

DuPont, Griffin

CIBA-Geigy

-117-

Common Name or
Code Name

Trade Names

Company

Metribuzin

Metribuzin + metolachlor

Metribuzin + trif luralin

Oryzalin

Paraquat

Paraquat + atrazine .4 +

Pendimethalin

PPG-1259

PPG-A000

Quizalofop (DPX-Y6202)

SC-0774 + R29148

SC-0051

Sethoxydim

Simazine

Tridiphane

Sencor, Lexone

Turbo

Salute

Surf Ian

Gramoxone Super

Colonel

Prowl

Assure

Poast

Princep, Caliber 90

Tandem

Mobay, DuPont

Mobay

Mobay

Elanco

ICI

ICI

American Cyanamid

PPG

PPG

DuPont

Stauffer-ICI

Stauffer-ICI

BASF

CIBA-Geigy

Dow

-118-

WEED NAMES AND CODES

Abbreviation

Common Name

Botanical Name

Bucu
Bygr
Cath
Cocb
Coch
Colq
Corw
Cosf
Dali
Ebns
Fapa
Gift
Girw
Grft
Howe
Ilmg
Jiwe
Lacg
Pesw
Prsi
Rrpw
Shea
Shpu
Smgc
Smpw
Tamg
Vele
Vema
Yeft

Burcucumber

Barnyardgrass

Canada thistle

Common cocklebur

Common chickweed

Common lambsquarters

Common ragweed

Common sunflower

Dandel ion

Easter black nightshade

Fall panicum

Giant foxtail

Giant ragweed

Green foxtail

Horseweed

Ivyleaf morningglory

Jimsonweed

Large crabgrass

Pennsylvania smartweed

Prickly sida

Redroot pigweed

Shattercane

Shepherdspurse

Smooth groundcherry

Smooth pigweed

Tall morningglory

Velvetleaf

Venice mallow

Yellow foxtail

Sicyos angulatus

Echinochloa crus-galli

Cirsium

arvense

Xanthiurr

i strumarium

Stellaria media

Chenopoc

ium album

Ambrosia

artemisi ifolia

Helianth

us annuus

Taraxacum officinale

Solanum

ptycanthum

Panicum

dichotomiflorum

Setaria

faberi

Ambrosia

trif ida

Setaria

viridis

Conyza canadensis

Ipomoea

hederacea

Datura stramonium

Digitaria sanguinalis

Polygonum pensylvanicum

Sida spinosa

Amaranth

us retroflexus

Sorghum

bicolor

Capsella

bursa-pastoris

Physalis

subglabrata

Amaranth

us hybridus

Ipomoea

purpurea

Abutilon

theophrasti

Hibiscus

trionum

Setaria

glauca

-119-

LOCATIONS OF UNIVERSITY OF ILLINOIS
WEED SCIENCE RESEARCH STUDIES IN ILLINOIS

C32-5S

ii a

A&t

UNIVERSITY
OF
ILLINOIS

WEED CONTROL

RESEARCH

REPORT

1988

Department of Agronomy / Weed Science
University of Illinois at Urbana-Champaign

^ULfURELIBfc

OCT 1 8 198

DIVERSITY OF ILLII

I

B

1
I

I

I

I

INTRODUCTION

This report is a summary of herbicide evaluation studies
conducted, by the University of Illinois Department of Agronomy
Weed Science program in 1988. Research from six locations in
Illinois are reported. The purpose of this report is to inform
our colleagues at other universities, our cooperators in
industry, and other interested persons of the results of our 1988
field research. The information within does not constitute a
recommendation or endorsement of any product or rate. Current
recommendations for weed control in field crops are available
from the University of Illinois Cooperative Extension Service.

Weed control and crop injury ratings are based on a 0 to 99 scale
with 99 equal to complete kill. Weed species are generally
reported as four-letter NCWCC abbreviations. Herbicides are
referred to by their trade name or experimental number. A list
of weed species and herbicides used in these studies can be found
in the appendix. Herbicide rates are given in lbs ai/A except
when rate is followed by a "G" or "Z", meaning grams or ounces
ai/A, respectively.

In preparing individual studies we tried to be as complete as
possible; however, certain omissions do occur. In addition,
despite careful proofing, certain errors in text entry and
compilation may exist. If you believe that you have found an
error and would like further explanation, please contact Rex
Liebl or Loyd Wax. If you have concerns or suggestions, please
feel free to contact us.

11

TABLE OF CONTENTS

INTRODUCTION i

ACKNOWLEDGEMENTS V

URBANA RESEARCH CENTER

EARLY PREPLANT CORN 1

NO-TILL CORN 6

CORN PREPLANT INCORPORATED 14

CORN PREEMERGENCE 1 18

CORN PREEMERGENCE 2 21

CORN PREEMERGENCE 3 23

CORN POSTEMERGENCE 1 26

CORN POSTEMERGENCE 2 30

CORN POSTEMERGENCE 3 33

CORN POSTEMERGENCE 4 37

CORN POSTEMERGENCE 5 43

CORN POSTEMERGENCE 6 47

CORN POSTEMERGENCE 7 51

EARLY PREPLANT SOYBEAN HERBICIDES 56

NO-TILL SOYBEAN HERBICIDES 63

SOYBEAN PREPLANT INCORPORATED HERBICIDES 1 69

SOYBEAN PREPLANT INCORPORATED HERBICIDES 2 7 3

SOYBEAN PREPLANT INCORPORATED HERBICIDES 3 77

SOYBEAN PREEMERGENCE HERBICIDES 1 79

SOYBEAN PREEMERGENCE HERBICIDES 2 82

SOYBEAN PREEMERGENCE HERBICIDES 3 85

Ill

TABLE OP CONTENTS (cont.)

SOYBEAN POSTEMERGENCE HERBICIDES 1 87

SOYBEAN POSTEMERGENCE HERBICIDES 2 95

SOYBEAN POSTEMERGENCE HERBICIDES 3 101

SOYBEAN POSTEMERGENCE HERBICIDES 4 103

SOYBEAN POSTEMERGENCE HERBICIDES 5 107

SOYBEAN POSTEMERGENCE HERBICIDES 6 Ill

SOYBEAN POSTEMERGENCE HERBICIDES 7 117

SOYBEAN POSTEMERGENCE HERBICIDES 8 12 5

SOYBEAN POSTEMERGENCE HERBICIDES 9 130

SOYBEAN POSTEMERGENCE HERBICIDES 10 13 5

SOYBEAN POSTEMERGENCE HERBICIDES 11 13 9

SOYBEAN POSTEMERGENCE HERBICIDES 12 142

SOYBEAN POSTEMERGENCE HERBICIDES 13 14 6

SOYBEAN POSTEMERGENCE HERBICIDES 14 14 9

SOYBEAN POSTEMERGENCE HERBICIDES 15 152

SOYBEAN POSTEMERGENCE HERBICIDES 16 156

WHEAT POSTEMERGENCE HERBICIDES 1 160

BROWNSTOWN RESEARCH CENTER

CORN PREEMERGENCE STUDY 162

CORN POSTEMERGENCE HERBICIDES 1 166

CORN POSTEMERGENCE HERBICIDES 2 17 0

SOYBEANS PREEMERGENCE HERBICIDES 17 4

SOYBEAN POSTEMERGENCE HERBICIDES 1 178

SOYBEAN POSTEMERGENCE HERBICIDES 2 l8i

WHEAT POSTEMERGENCE HERBICIDES i84

iv

TABLE OF CONTENTS (cont.)

OTHER LOCATIONS

DIXON SPRINGS, CORN POSTEMERGENCE HERBICIDES 188

DIXON SPRINGS, SOYBEAN POSTEMERGENCE HERBICIDES 192

NOKOMIS, CORN POSTEMERGENCE HERBICIDES 197

PEORIA, CORN POSTEMERGENCE HERBICIDES 19 9

PERRY/ORR, SOYBEAN POSTEMERGENCE HERBICIDES 2 03

SAND FARM, SOYBEAN POSTEMERGENCE HERBICIDES 2 07

APPENDIXES

A: HERBICIDES EVALUATED IN 1988 211

B: INDEX OF WEED SPECIES REPORTED 213

C: PREMIXED HERBICIDE COMBINATIONS FOR CORN AND SOYBEANS . 214

D: ADDITIVES 215

E: RAIN DATA 216

ACKNOWLEDGEMENTS

WE WOULD LIKE TO RECOGNIZE AND THANK THE FOLLOWING INDIVIDUALS FOR THEIR ASSISTANCE WITH
THE U OF I WEED SCIENCE FIELD EVALUATION PROJECT DURING 1988. THROUGH THEIR COOPERATIVE
EFFORTS THIS PUBLICATION IS MADE POSSIBLE.

RESEARCH CENTER SUPERINTENDENTS

GRADUATE STUDENTS

WILLIAM H. BRINK (BROWNSTOWN)
M. GENE OLDHAM (URBANA)
LYLE E. PAUL (DIXON SRINGS)
GLENN A. RAINES (ORR)

RESERCH CENTER FARM FOREMEN

JAMES L. CARTER (BROWNSTOWN)
DALE E. HARSHBARGER (ELWOOD)
DAVID R. LINDGREN (DIXON SPRINGS)
MICHAEL E. PLOTNER (URBANA)
U. OF I7U.S.D.A.

SECRETARIAL STAFF

JEAN CRESSWELL
GEORGIA THUESTAD

STUDENT WORKERS

THOMAS H. BECKETT
DANIEL L. BERGMAN
JOHN R. CANTWELL
GWEN F. FLEMING
MICHAEL J. HORAK
FRITZ K. KOPPATSCHECK
MICHAEL A NORMAN
MICHAEL S. ORFANEDES
LARESA G. WILBOURN
RANDY WHITE

TECHNICAL STAFF
HAROLD S. BUTLER
JOHN R. CANTWELL
WILLIAM S. CURRAN
BENJAMIN L. GARDNER
DAVID R. PIKE
RICHARD E. STEVENS

GARY KENNY
JEFFERY STAHL
CHRISTOPHER TUVESON

SINCERELY,

REX A. LIEBL, PROFESSOR OF AGRONOMY
MARSHAL D. MCGLAMERY, PROFESSOR OF AGRONMY
EDWARD W. STOLLER, PROF. OF PLANT PHYSIOLOGY, USDA-ARS
LOYD M. WAX, PROF. OF PLANT PHYSIOLOGY, USDA-ARS
JOHN R. CANTWELL, ASSISTANT AGRONOMIST

1

VI

ACKNOWLEDGMENTS

SPECIAL THANKS TO THE FOLLOWING AGRICULTURAL ORGANIZATIONS FOR THEIR SUPPORT COMMITMENT
TO THE WEED SCIENCE PROGRAM IN THE DEPARTMENT OF AGRONOMY AT THE UNIVERSITY OF ILLINOIS AT
URB ANA-CHAMPAIGN:

UNIVERSITY OF ILLINOIS AGRICULTURAL EXPERIMENT STATION

AMERICAN CYANAMID COMPANY

BASF WYANDOTTE CORPORATION

CIBA-GEIGY CORPORATION

DOW CHEMICAL COMPANY

E.I. DUPONT DE NEMOURS AND COMPANY

ELANCO PRODUCTS COMPANY

FMC CORPORATION

GRIFFIN CORPORATION

HOECHST-ROUSSELAGRI-VET COMPANY

ICI AMERICAS INC.

KUMIAI CHEMICAL COMPANY

MOBAY CHEMICAL CORPORATION

MONSANTO CHEMICAL COMPANY

NOR-AM AGRICULTURAL PRODUCTS, INC.

RHONE-POULENC INC

ROHM & HAAS COMPANY

SANDOZ CROP PROTECTION CORPORATION

TERRA INTERNATIONAL, INC.

UNIROYAL CHEMICAL

VALENT/CHEVRONCHEMICAL COMPANY

BACKGROUND
Trial Title :
Trial State
Trial Location
Trial Zipcode

1988 EPP WEED CONTROL IN CORN STUDY I
:IL

:C500 CENTER (URBANA)
:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Tillage/Maintenance
Seedbed Description
Ground cover & %

previous crop
soybeans

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

:RCB

: 3

:10.0 40.0

: NO-TILL

:2 cultivations

:BEAN STUBBLE

:3 0% stover

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Fert. Level
Metero. Station

silt loam

4.5

6.5
FLANAGAN
lo nitr
118741

previous pesticide
unknown

CORN
PIONEER 3377

5/18/88
MECHANICAL

1.5
28000

30.0

75
ADEQUATE

year
1987

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST

HEIGHT (In)

PEST

CODE

STAGE

DENSITY

min

max

COLQ

POST

2-12 LF

LOW

2.0

6.0

GIFT

POST

2-6 LF

HIGH

2.0

8. 0

J I WE

POST

4-6 LF

MEDIUM

4.0

8.0

PESW

POST

4-12 LF

HIGH

4.0

12.0

SMPW

POST

6-8 LF

MEDIUM

2.0

8 . 0

VELE

POST

4-6 LF

LOW

4.0

8 . 0

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) •
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App,

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:EPP

04/08/88
07:00A
30

8003

60
80

6.5
WATER
HANDHELD
25.0
DRY

:PRE

05/18/88
08:00A
30

8003

80
50

5
WATER
HANDHELD
25.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

30
10

10
N
3.0

50

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

30
10

0

N

3.0

hrs

hrs

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

06/03/88

05:00P

40
8002

80
50

10.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20

7.5

20

0
N

3.0
75

hrs

COMMENTS

The early preplant (EPP) treatments applied as one application were better than those
applied split EPP plus PRE. The grass control was much better from soil applied treatments than fro
the postemergence applications.

GIFT GIFT PESW PESW JIWE COLQ VELE
5/16 6/06 5/16 6/06 5/16 6/06 6/06

1A

BLADEX

90DF

3.0

EPP

97

92

99

82

98

99

93

IB

ATRAZINE

90DF

1.0

EPP

2A

BLADEX

90DF

2.67

EPP

92

82

99

92

89

99

67

2B

ATRAZINE

90DF

1.33

EPP

3A

BLADEX

90DF

2.0

EPP

91

83

99

97

94

98

60

3B

ATRAZINE

90DF

2.0

EPP

4A

BLADEX

90DF

1.8

EPP

82

76

96

94

89

99

57

4B

ATRAZINE

90DF

0.6

EPP

4C

BLADEX

90DF

1.2

PRE

4D

ATRAZINE

90DF

0.4

PRE

5A

BLADEX

90DF

1.6

EPP

80

74

99

94

94

99

65

5B

ATRAZINE

90DF

0.8

EPP

5C

BLADEX

90DF

1.1

PRE

5D

ATRAZINE

90DF

0.5

PRE

6A

BLADEX

90DF

1.2

EPP

78

70

98

99

92

99

82

6B

ATRAZINE

90DF

1.2

EPP

6C

BLADEX

90DF

0.8

PRE

6D

ATRAZINE

90DF

0.8

PRE

7

CHECK

0

0

0

0

0

0

0

8

LARIAT

4EC

4.75

EPP

92

77

99

70

92

99

57

9

BULLET

4MT

4.75

EPP

93

89

99

90

89

99

85

10

BICEP

5.9L

4.5

EPP

96

86

99

80

97

99

80

11A

LARIAT

4EC

4.85

EPP

93

84

99

99

97

99

85

11B

LARIAT

4EC

1.90

PRE

12A

BULLET

4MT

2.85

EPP

86

83

99

99

74

99

82

12B

BULLET

4MT

1.90

PRE

13A

BICEP

5.9L

2.7

EPP

91

86

99

92

96

99

85

13B

BICEP

5.9L

1.8

PRE

14

LARIAT

4EC

3.6

EPP

92

77

99

60

92

99

57

15

BULLET

4MT

3.6

EPP

96

87

99

94

94

96

52

16

BICEP

5.9L

3.4

EPP

96

92

99

90

90

99

90

I

GIFT
5/16

17A
17B

LARIAT
LARIAT

4EC
4EC

2.16
1.44

EPP
PRE

85

18A
18B

BULLET
BULLET

4MT
4MT

2.16

1.44

EPP
PRE

61

19A
19B

BICEP
BICEP

5.9L
5.9L

2.04
1.36

EPP
PRE

94

GIFT PESW PESW JIWE COLQ VELE
6/06 5/16 6/06 5/16 6/06 6/06

82 87 99 64 99 77

27 84 94 84 84 32

86 99 99 99 99 82

1

1
l

20

CHECK

0

0

0

0

21A

2.4-D AMINE

3.8EC

1.0

EPP

60

21B

TANDEM

4.0EC

0.5

POST

21C

ATRAZINE

90DF

1.5

POST

21D

COC

4L

1.0Q

POST

22A

2.4-D AMINE

3.8EC

1.0

EPP

57

22B

TANDEM

4.0EC

0.5

POST

22C

ATRAZINE

90DF

0.8

POST

22D

X-77

%V/V

0.25

POST

23A

DUAL

8EC

2.0

EPP

95

23B

2.4-D AMINE

3.8EC

1.0

EPP

23C

TANDEM

4.0EC

0.5

POST

23D

ATRAZINE

90DF

1.5

POST

23E

COC

4L

1.0Q

POST

24A

DUAL

8EC

2.0

EPP

87

24B

2.4-D AMINE

3.8EC

1.0

EPP

24C

TANDEM

4.0EC

0.5

POST

24D

ATRAZINE

90DF

1.5

POST

24E

X-77

%V/V

0.25

POST

25A

BICEP

5.9L

2.04

EPP

89

25B

TANDEM

4.0EC

0.5

POST

25C

ATRAZINE

90DF

1.5

POST

25D

COC

4L

1.0Q

POST

26A

BLADEX

90DF

3.0

EPP

92

26B

BANVEL

4EC

0.3

POST

27A

CGA- 180937

7.8EC

2.5

EPP

88

27B

BANVEL

4EC

0.3

POST

28A

LASSO

4EC

3.0

EPP

84

28B

BANVEL

4EC

0.3

POST

35 87 70 50 99 84

37 65 80 40 92 79

80 96 40 90 87 70

70 94 60 92 92 72

75 99 90 94 99 67

86 98 95 80 99 91

74 85 94 80 97 91

81 67 92 47 93 89

GIFT
5/16

29A

LASSO MT

4MT

3.0

EPP

92

29B

BANVEL

4EC

0.3

POST

30A

HARNESS

4EC

2.0

EPP

93

3 OB

BANVEL

4EC

0.3

POST

31A

DUAL

8EC

2.5

EPP

87

31B

BANVEL

4EC

0.3

POST

GIFT PESW PESW JIWE COLQ VELE
6/06 5/16 6/06 5/16 6/06 6/06

82

91

60

95

94

89

94

97

92

90

65

90

95

97

92

87

84

80

32

CHECK

0

0

0

0

0

cv

LSD

13

13

14

5

16

5

12

15

13

16

6

17

6

11

'

BACKGROUND
Trial Title :1988
Trial State
Trial Location
Trial Zipcode
Prime Investigator

WEED CONTROL IN NO-TILL CORN
:IL

:C-500 (URBANA, IL)
:61801
:C/L/W/M

i

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

Previous crop
SOYBEANS

RCB

4
10.0 40.0
NO-TILL
BEAN STUBBLE
100

Soil Texture

Soil O.M.

Soil pH

Soil Name

%

:SILT LOAM

: 4.5

: 6.5

: FLANAGAN

Metero. Station:

previous pesticide
VARIOUS TRT'S

year
1987

CROP

Trial

Crop

:CORN

Crop

Variety

: PIONEER 3377

Planting Date

105/16/88

Plant

ing Method

[MECHANICAL

Plant

ing Depth (

in) i

: 1.5

Seeding Rate (plants/acre)

: 2800

Row Spacing (in)

:30.0

Soil

Temp (F) @

Plant :

: 65

Soil

Moisture @

Planting i

:DRY

Pest

TRIAL

APPLICATION PEST GROWTH

PEST

PEST

HEIGHT

PEST

CODE

STAGE

DENSITY

min

max

COLQ

POST

2-12 LF

LOW

2.0

6.0

GIFT

POST

2-6 LF

HIGH

2.0

8.0

JIWE

POST

4-6 LF

MED

4.0

8.0

PESW

POST

4-12 LF

HIGH

4.0

12.0

COLQ

PRE

MED

2.0

8.0

GIFT

PRE

HIGH

1.0

2.0

JIWE

PRE

MED

2.0

4.0

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) .
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

PRE

05/18/88

7:00A

40

8003

85

67

10 NE

WATER

HAND-HELD

25

DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

80

* @24 HR APPLICATIONS WERE IDENTICAL TO PRE

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

POST

06/03/88

9:00A

40

8002

90

50

8 SW

WATER

HAND-HELD

20

DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip.
Elapsed Time to Incorp
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
10
20

0
N
3

20
10
20

0
N
3
85

hrs

hrs

COMMENTS

Treatments including Roundup or Bronco provided much better knockdown than did Gramoxone. The
early rating was 2 weeks after planting time (PRE) treatments. The PRE treatments were much better
than expected considering the minimal rainfall.

C.I.

C.I.

GIFT

GIFT

COLQ

COLC

5/31

6/06

5/31

6/06

5/31

6/06

1A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

IB

ATRAZINE

90DF

2.50

PRE

2A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

2B

EXTRAZINE

90DF

4.00

PRE

3A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

3B

CONQUEST

90DF

4.00

PRE

4A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

4B

LARIAT

4FL

3.75

PRE

5A

ROUNDUP

3L

1.00

PRE

0

0

99

98

99

99

5B

BULLET

4FL

3.75

PRE

6A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

6B

BICEP

5.9L

3.60

PRE

7A

ROUNDUP

3L

1.00

PRE

0

0

99

99

99

99

7B

PROZINE

70DF

3.00

PRE

8A

ROUNDUP

3L

1.00

PRE

0

0

99

98

99

99

8B

MARKSMAN

3.2FL

1.40

PRE

9A

DUAL

8EC

2.50

PRE

0

0

55

67

99

99

9B

ATRAZINE

90DF

1.20

PRE

9C

BANVEL

4EC

0.36

PRE

9D

COC

4L

1.0Q

PRE

10A

POAST

1.5EC

0.20

PRE

0

0

52

52

94

97

10B

LASSO

4EC

2.50

PRE

IOC

BANVEL

4EC

0.50

PRE

10D

COC

4L

1.0Q

PRE

I

J

I

11

CHECK

0

0

0

0

12A

ROUNDUP

3L

1.00

PRE

12B

BAS-514

50WP

0.50

PRE

13A

ROUNDUP

3L

1.00

PRE

13B

BAS-514

50WP

1.00

PRE

14A

ROUNDUP

3L

1.00

PRE

14B

BAS-514

50WP

1.50

PRE

15A

BAS-514

50WP

0.50

PRE

15B

ATRAZINE

90DF

1.50

PRE

15C

COC

4L

1.0Q

PRE

10

99 99 92 96

99 93 85 80

99 99 84 90

99

99

99

99

8

^

C.I.

C.I.

GIFT

GIFT

COLQ

COLQ

5/31

6/06

5/31

6/06

5/31

6/06

= = =

==========

========

= = = = = == =

========

= = = =

= = = = =

== = == =

= = = =

_ ^ __ _ _

= = = =

16A

BAS-514

50WP

1.00

PRE

0

0

50

65

77

99

16B

ATRAZINE

90DF

1.50

PRE

■■■

16C

coc

4L

1.0Q

PRE

17A

BAS-514

50WP

1.50

PRE

0

0

65

80

90

99

17B

ATRAZINE

90DF

1.50

PRE

17C

COC

4L

1.0Q

PRE

18

CHECK

0

0

0

0

0

0

19A

IGNITE

1.67AS

0.75

PRE

19B

TANDEM

4E

0.50

POST

19C

ATRAZINE

90DF

1.50

POST

19D

COC

4L

1.0Q

POST

20A

IGNITE

1.67 AS

1.00

PRE

20B

TANDEM

4E

0.50

POST

20C

ATRAZINE

90DF

1.50

POST

20D

COC

4L

1.0Q

POST

21A

PARAQUAT

1.5L

0.30

PRE

21B

X-77

%/V

0.25

PRE

21C

TANDEM

4E

0.50

POST

21D

ATRAZINE

90DF

1.50

POST

21E

COC

4L

1.0Q

POST

22A

PARAQUAT

1.5L

0.50

PRE

22B

X-77

%/V

0.25

PRE

22C

TANDEM

4E

0.50

POST

22D

ATRAZINE

90DF

1.50

POST

22E

COC

4L

1.0Q

POST

23A

ROUNDUP

3L

0.75

PRE

23B

TANDEM

4E

0.50

POST

23C

ATRAZINE

90DF

1.50

POST

23D

COC

4L

1.0Q

POST

24A

ROUNDUP

3L

1.00

PRE

24B

TANDEM

4E

0.50

POST

24C

ATRAZINE

90DF

1.50

POST

24D

COC

4L

1.0Q

POST

25A

BRONCO

4L

4.00

PRE

25B

BANVEL

4L

0.25

POST

26A

PRELUDE

2.5L

2.50

PRE

26B

BANVEL

4L

0.25

POST

0

99 99 87 85

0

0

0

0

0

0

0

99 99 94 89

57 55 80 82

57 72 89 94

99 98 99 97

99 95 99 97

99 99 97 97

70 80 91 90

27A

MON- 14482

27B

X-77

28A

MON- 14482

28B

X-77

29

ROUNDUP

30A

ROUNDUP

30B

LASSO EC

31A

ROUNDUP

31B

LASSO MT

32

CHECK

33A

PARAQUAT

33B

X-77

33C

BICEP

34A

PARAQUAT

34B

2.4-D

34C

X-77

34D

ATRAZINE

35A

PARAQUAT

35B

AATREX

35C

BLADEX

35D

X-77

36A

ATRAZINE

36B

COC

37A

BLADEX

37B

COC

CV

LSD

84.7DG

2.10

%/V

0.50

84.7DG

2.60

%/V

0.50

3L

1.00

PRE
PRE

PRE
PRE

PRE

3L

1.00

PRE

4L

2.50

@24H

3L

1.00

PRE

4L

2.50

@24H

1.5L

0.50

PRE

%/V

0.25

PRE

5.9L

3.60

PRE

1.5L

0.50

PRE

3.8EC

0.50

PRE

%/V

0.25

PRE

90DG

1.50

PRE

1.5L

0.50

PRE

90DG

1.00

PRE

90DG

1.00

PRE

%/V

0.25

PRE

90DG

2.00

PRE

4L

1.0Q

PRE

90DG

2.00

PRE

4L

1.00

PRE

C.I.
5/31

0

1
1

C.I.
6/06

0

1
1

GIFT
5/31

99

0

GIFT
6/06

95

COLQ COL
5/31 6/06

0

99

0

99

l

J
l

99 72 99 97

99 95 94 97

99 99 95 99

99 97 92 98

0

80 86 96 99

72 79 97 99

75 85 99 92

42 42 88 94

75 65 99 99 I

17 12 6 6
7 13 7 8

10

PESW PESW
5/31 6/06

1A

ROUNDUP

IB

ATRAZINE

2A

ROUNDUP

2B

EXTRAZINE

3A

ROUNDUP

3B

CONQUEST

4A

ROUNDUP

4B

LARIAT

5A

ROUNDUP

5B

BULLET

6A

ROUNDUP

6B

BICEP

7A

ROUNDUP

7B

PROZINE

8A

ROUNDUP

8B

MARKSMAN

9A

DUAL

9B

ATRAZINE

9C

BANVEL

9D

coc

10A

POAST

10B

LASSO

IOC

BANVEL

10D

COC

11

CHECK

12A

ROUNDUP

12B

BAS-514

13A

ROUNDUP

13B

BAS-514

14A

ROUNDUP

14B

BAS-514

15A

BAS-514

15B

ATRAZINE

15C

COC

3L

1.00

PRE

90DF

2.50

PRE

3L

1.00

PRE

90DF

4.00

PRE

3L

1.00

PRE

90DF

4.00

PRE

3L

1.00

PRE

4FL

3.75

PRE

3L

1.00

PRE

4FL

3.75

PRE

3L

1.00

PRE

5.9L

3.60

PRE

3L

1.00

PRE

70DF

3.00

PRE

3L

1.00

PRE

3.2FL

1.40

PRE

8EC

2.50

PRE

90DF

1.20

PRE

4EC

0.36

PRE

4L

1.0Q

PRE

1.5EC

0.20

PRE

4EC

2.50

PRE

4EC

0.50

PRE

4L

1.0Q

PRE

3L

1.00

PRE

50WP

0.50

PRE

3L

1.00

PRE

50WP

1.00

PRE

3L

1.00

PRE

50WP

1.50

PRE

50WP

0.50

PRE

90DF

1.50

PRE

4L

1.0Q

PRE

98

94

98

96

99

99

97

97

94

0
85

87

75

94

97

96

98

94

98

96

95

99

94

99 97

0
95

86

80

94

11

PESW PESW
5/31 6/06

16A

BAS-514

16B

ATRAZINE

16C

COC

17A

BAS-514

17B

ATRAZINE

17C

COC

18

CHECK

19A

IGNITE

19B

TANDEM

19C

ATRAZINE

19D

COC

20A

IGNITE

20B

TANDEM

20C

ATRAZINE

20D

COC

21A

PARAQUAT

21B

X-77

21C

TANDEM

21D

ATRAZINE

21E

COC

22A

PARAQUAT

22B

X-77

22C

TANDEM

22D

ATRAZINE

22E

COC

23A

ROUNDUP

23B

TANDEM

23C

ATRAZINE

23D

COC

24A

ROUNDUP

24B

TANDEM

24C

ATRAZINE

24D

COC

25A

BRONCO

25B

BANVEL

26A

PRELUDE

26B

BANVEL

50WP

1.00

90DF

1.50

4L

1.0Q

50WP

1.50

90DF

1.50

4L

1.0Q

1.67AS

0.75

4E

0.50

90DF

1.50

4L

1.0Q

1.67AS

1.00

4E

0.50

90DF

1.50

4L

1.0Q

1.5L

0.30

%/V

0.25

4E

0.50

90DF

1.50

4L

1.0Q

1.5L

0.50

%/V

0.25

4E

0.50

90DF

1.50

4L

1.0Q

3L

0.75

4E

0.50

90DF

1.50

4L

1.0Q

3L

1.00

4E

0.50

90DF

1.50

4L

1.0Q

4L

4.00

4L

0.25

2.5L

2.50

4L

0.25

PRE
PRE
PRE

PRE
PRE
PRE

40 65

PRE
POST
POST
POST

PRE
POST
POST
POST

PRE

PRE

POST

POST

POST

PRE

PRE

POST

POST

POST

PRE
POST
POST
POST

PRE
POST
POST
POST

PRE
POST

PRE
POST

67 75

0 0
99 97

98 98

70 75

75 77

92

85

87

52

94

86

89

87

12

PESW PESW
5/31 6/06

27A

MON- 14482

27B

X-77

28A

MON-14482

28B

X-77

29

ROUNDUP

30A

ROUNDUP

30B

LASSO EC

31A

ROUNDUP

31B

LASSO MT

32

CHECK

33A

PARAQUAT

33B

X-77

33C

BICEP

34A

PARAQUAT

34B

2.4-D

34C

X-77

34D

ATRAZINE

35A

PARAQUAT

35B

AATREX

35C

BLADEX

35D

X-77

36A

ATRAZINE

36B

COC

37A

BLADEX

37B

COC

CV

LSD

84.7DG

2.10

%/V

0.50

84.7DG

2.60

%/V

0.50

3L

3L
4L

3L
4L

1.00

1.00
2.50

1.00
2.50

PRE
PRE

PRE
PRE

97

97

1.5L

0.50

PRE

%/V

0.25

PRE

5.9L

3.60

PRE

1.5L

0.50

PRE

3.8EC

0.50

PRE

%/V

0.25

PRE

90DG

1.50

PRE

1.5L

0.50

PRE

90DG

1.00

PRE

90DG

1.00

PRE

%/V

0.25

PRE

90DG

2.00

PRE

4L

1.0Q

PRE

90DG

2.00

PRE

4L

1.00

PRE

92

92

96

PRE

92

95

PRE

90

97

@24H

PRE

92

95

@24H

0

0

PRE

89

94

94

94 90

85

84

97

99

10

10

12

12

13

I

BACKGROUND
Trial Title :
Trial State
Trial Location
Trial Zipcode

PPI WEED CONTROL IN CORN
:IL

:C-4 00 SOUTH (URBANA IL)
:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

i

SITE

Experimental Design

:RCB

Soil Texture :

SILT LOA

Number of Replicates

: 4

Soil O.M. % ;

4.0

Plot Wd X Lth (Ft) :

:10.0 40.0

Soil pH :

6.0

Tillage Type :

: CONVENTIONAL

Soil Name :

FLANAGAN

Seedbed Description :

:CONV. TILL

Metero. Station:

Ground cover & % :

: 0

previous crop

previous

pestici

de year

SOYEANS

1987

CROP

Trial Crop :

:CORN

Crop Variety :

: PIONEER 3377

Planting Date :

: 04/21/88

Planting Method

: MECHANICAL

Planting Depth (in) :

: 1.5

Seeding Rate (plants/acre) :

:24000

Row Spacing (in) :

:30.0

Soil Temp (F) § Plant :

: 60

Soil Moisture @ Planting :

:ADQ

Pest

TRIAL APPLICATION PEST GROWTH

PEST

PEST HEIGHT

PEST CODE STAGE

DENSITY

min max

GIFT PPI

HIGH

VELE PPI

HIGH

JIWE PPI

MED

SMPW PPI

MED

(In)

14

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity-
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:PPI

4/21/88

7:00A

30
8003

60
90

5.0
WATER
HANDHELD
25.0
ADEQUATE

:PRE

4/21/88

3:00P

30
8003

60
90

8.0
WATER
HANDHELD
25.0
ADEQUATE

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 60

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 60

20

10

20

COMBO

1

4
50
N

3

0

0

20
10
20

hrs

100
N
3.0

hrs

Application Code
Date of Application
Date of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:SPK

5/11/888

09:00A

40
11002

70
90

5.0
WATER
HANDHELD
20.0
ADEQUATE

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
10
20

N

0
f

3.0
70

hrs

COMMENTS

A heavy stand of giant foxtail and velvetleaf was present with moderate jimsonweed

and smooth pigweed pressure. Despite dry weather following application, most treatments provided

good to excellent weed control.

15

GIFT VELE JIWE SMPW
6/09 6/09 6/09 6/09

1

SUTAN

6.7EC

4.00

PPI

2

ERADICANE

6.7EC

4.00

PPI

3

SUTAZINE

6FL

4.67

PPI

4

SUTAZINE

6FL

5.33

PPI

5

SUTAZINE

6FL

6.67

PPI

6

SUTAZINE

6MT

4.38

PPI

7

SUTAZINE

6MT

5.00

PPI

8

SUTAZINE

6MT

6.25

PPI

9

LASSO

4EC

2.75

PPI

10

DUAL

8EC

2.29

PPI

11

LARIAT

4FL

3.75

PPI

12

LARIAT

4FL

2.80

PPI

13

CHECK

14

BULLET

4FL

3.75

PPI

15

BICEP

5.9FL

3.60

PPI

16

BICEP

5.9FL

2.70

PPI

17

CONQUEST

90DF

4.00

PPI

18

EXTRAZINE

90DF

4.00

PPI

19A

LASSO

4EC

2.00

PPI

19B

ATRAZINE

90DF

1.00

PPI

19C

BLADEX

90DF

1.00

PPI

20A

LASSO

4EC

2.50

PPI

20B

ATRAZINE

90DF

1.25

PPI

20C

BLADEX

90DF

1.25

PPI

21A

HARNESS

7.5EC

1.50

PPI

21B

ATRAZINE

90DF

1.10

PPI

96

99

98

97

97

93

95

97

95

98

98

93

94

98

93

94

95

95

92

79

88

79

85

86

74

79

82

72

61

76

66

0

70

75

66

91

86

79

76

75

89

88

97

97

91

98

97

60

82

93

90

0

95

92

95

97

95

91

93

87

97

99

99

99

99

97

99

98

99

99

99

99

99

97

98

97

99

99

98

77

92

99

16

GIFT VELE JIWE SMPW
6/09 6/09 6/09 6/09

22A

HARNESS

7.5EC

1.75

PPI

22B

ATRAZINE

90DF

1.30

PPI

23A

HARNESS

7.5EC

2.00

PPI

23B

ATRAZINE

90DF

1.50

PPI

24A

DUAL

8EC

2.29

PPI

24B

ATRAZINE

90DF

2.00

PPI

25A

DUAL

8EC

2.29

PPI

25B

AC-513-655

4.8FL

1.20

PPI

26A

DUAL

8EC

2.29

PRE

26B

ATRAZINE

90DF

2.00

PRE

27A

DUAL

8EC

2.29

PRE

27B

AC-513-655

4.8FL

1.20

PRE

28A

PROWL

4EC

1.50

PRE

28B

AC-513-655

4.8FL

1.20

PRE

29A

PROWL

4EC

1.50

SPK

29B

AC-513-655

4.8FL

1.20

SPK

99 84 95 99

99 85 99 99

98 79 99 99

98 89 94 99

92 72 97 99

93 57 92 97

80 60 86 99

69 92 90 99

30

CHECK

CV
LSD

5

7

14 7

14 9

3

5

17

BACKGROUND

Trial Title : PREEMERGENCE WEED CONTROL IN CORN

Trial State . :IL

Trial Location :C-500 (URBANA, IL)

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

RCB

4

7.5 40.0
CONVENTIONAL
CLODDY

0

%

Soil Texture

Soil O.M.

Soil pH

Soil Name

:SILTY LOAM

: 4.0

: 6.4

: FLANAGAN

Metero. Station:

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (plants/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

CORN

PIONEER 3377
04/28/88
MECHANICAL

1.5

28000
30.0
70
DRY

:PRE

05/03/88

07:00A

30
8003

75
60

8.0
WATER
HANDHELD
25.0
LOW

1

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :70

20

7.5

20

hrs

N

3.0

18

GIFT SMPW VELE JIWE
6/13 6/13 6/13 6/13

1

ATRAZINE

90DF

2.50

PRE

20

32

25

15

2

EXTRAZINE

90DF

4.00

PRE

15

85

7

5

3

EXTRAZINE

90DF

3.50

PRE

45

61

12

17

4

CONQUEST

90DF

4.00

PRE

10

54

10

20

5

CONQUEST

90DF

3.50

PRE

24

15

0

0

6

LARIAT

4FL

3.75

PRE

72

93

2

25

7

LARIAT

4FL

2.80

PRE

42

70

9

15

8

BULLET

4FL

3.75

PRE

71

87

10

9

9

BULLET

4FL

2.80

PRE

45

42

15

5

10

BICEP

5.9FL

3.60

PRE

77

81

14

15

11

BICEP

5.9FL

2.70

PRE

31

82

9

17

12

CHECK

0

0

0

0

13

PROZINE

70DF

3.00

PRE

17

32

11

7

14

PROZINE

70DF

2.25

PRE

39

49

35

7

15

MARKSMAN

3.2FL

1.4

PRE

0

32

70

25

16

MARKSMAN

3.2FL

1.00

PRE

42

86

55

51

17A

DUAL

8EC

2.50

PRE

37

85

65

56

17B

ATRAZINE

90DF

1.20

PRE

17C

BANVEL

4EC

0.36

PRE

18A

DUAL

8EC

2.50

PRE

30

79

17

30

18B

ATRAZINE

90DF

1.20

PRE

19A

DUAL

8EC

2.50

PRE

69

84

12

17

19B

ATRAZINE

90DF

2.00

PRE

19

GIFT SMPW VELE JIWE
6/13 6/13 6/13 6/13

20A

DUAL

8EC

2.50

PRE

20B

AC-513-655

4.8FL

1.20

PRE

21A

PROWL

4EC

1.50

PRE

21B

AC-513-655

4.8FL

1.20

PRE

74 42 32 22

17 67 15 0

22

CHECK

0

0

CV
LSD

46 17 68 85

23 14 19 20

20

BACKGROUND
Trial Title

WEED CONTROL IN CORN II

: PREEMERGENCE
Trial State :IL

Trial Location :C-500
Trial Zipcode : 61801
Prime Investigator :CANTWELL/LIEBL/WAX

(URBANA, IL)

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

RCB

4

7.5 40.0
CONVENTIONAL
CLODDY

0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

4.0

6.4
FLANAGAN

previous crop
SOYBEANS
CROP

Trial Crop
Crop Variety-
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (plants/acre)
Row Spacing (in)
Soil Temp (F) § Plant
Soil Moisture @ Planting

previous pesticide

CORN

PIONEER 3377
04/28/88
MECHANICAL

1.5

28000
30.0
70
DRY

year
1987

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:PRE

05/03/88

08:00A

30
8003

75
60

8.0
WATER
HANDHELD
25.0
LOW

Nozzle Spacing (In) : 20
Boom Length (Ft) : 7.5
Boom Height (In) : 2 0
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover : 0
Dew Presence (Y/N) :N
Ground Speed (MPH) : 3.0
Soil Temp (F) : 70

hrs

COMMENTS
Treatments that included Banvel provided the best control.

21

GIFT SMPW VELE JIWE
6/10 6/10 6/10 6/10

1

EL- 177

80DF

0.25

PRE

7

5

10

2

2

EL- 177

80DF

0.30

PRE

7

2

10

67

3A

EL- 177

80DF

0.25

PRE

0

25

12

17

3B

ATRAZINE

90DF

1.00

PRE

4A

EL- 177

80DF

0.30

PRE

15

27

22

37

4B

ATRAZINE

90DF

1.25

PRE

5A

EL- 177

80DF

0.30

PRE

58

75

37

77

5B

ATRAZINE

90DF

1.00

PRE

5C

LASSO

4EC

1.00

PRE

6A

LASSO

4EC

2.50

PRE

47

90

35

82

6B

BANVEL

4EC

0.50

PRE

7A

TANDEM

4EC

1.25

PRE

90

95

72

90

7B

BANVEL

4EC

0.50

PRE

8

BAS-514

50WP

0.50

PRE

22

5

17

17

9

BAS-514

50WP

1.00

PRE

40

0

32

32

10

CHECK

0

0

0

0

11

BAS-514

50WP

1.50

PRE

35

22

30

42

12A

BAS-514

50WP

0.50

PRE

10

12

27

10

12B

ATRAZINE

90DF

1.50

PRE

13A

BAS-514

50WP

1.00

PRE

17

55

31

55

13B

ATRAZINE

90DF

1.50

PRE

14A

BAS-514

50WP

1.50

PRE

72

84

64

85

14B

ATRAZINE

90DF

1.50

PRE

15A

BAS-514

50WP

1.00

PRE

79

75

79

82

15B

BANVEL

4EC

0.50

PRE

16

CHECK

0

CV
LSD

52 44 57 32

24 23 24 20

22

BACKGROUND

Trial Title : PREEMERGENCE

Trial State :IL

Trial Location :M-12 N

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

WEED CONTROL IN CORN III

(URBANA, IL)

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

RCB

3

7.5 40.0
CONVENTIONAL
CLODDY

0

Soil Texture

Soil O.M.

Soil pH

Soil Name

%

:SILT LOAM

: 3.5

: 6.4

: FLANAGAN

Metero. Station:

previous crop
SOYBEANS

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (Plants/A)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

previous pesticide

CORN

PIONEER 3377
04/28/88
MECHANICAL

1.5

28000
30.0
70
DRY

year
1987

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:PRE

05/03/88

09:00A

30
8003

75
60

8.0
WATER
HANDHELD
20.0
LOW

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :70

20

7.5

20

hrs

0

N

3.0

23

C.I.

VELE

JIWE

COLQ

5/31

5/31

5/31

5/31

1A

DUAL

8EC

2.00

PRE

22

37

53

85

IB

ATRAZINE

90DG

1.00

PRE

2A

DUAL

8EC

4.00

PRE

27

52

93

95

2B

ATRAZINE

90DG

1.00

PRE

3A

LASSO

4EC

2.50

PRE

27

23

55

47

3B

ATRAZINE

90DG

1.00

PRE

4A

LASSO

4EC

5.00

PRE

7

17

30

53

4B

ATRAZINE

90DG

1.00

PRE

5A

CGI 80937

7.8EC

2.00

PRE

8

43

95

94

5B

ATRAZINE

90DG

1.00

PRE

6A

CG180937

7.8EC

4.00

PRE

12

18

91

90

6B

ATRAZINE

90DG

1.00

PRE

7A

SAN-582

8EC

1.50

PRE

17

37

82

91

7B

ATRAZINE

90DG

1.00

PRE

8A

SAN-582

8EC

3.00

PRE

18

45

87

66

8B

ATRAZINE

90DG

1.00

PRE

9A

HARNESS

7.5EC

2.00

PRE

13

18

95

99

9B

ATRAZINE

90DG

1.00

PRE

10A

HARNESS

7.5EC

4.00

PRE

12

58

95

99

10B

ATRAZINE

90DG

1.00

PRE

11A

ICIA-5767

7EC

2.00

PRE

7

80

99

99

11B

ATRAZINE

90DG

1.00

PRE

12A

ICIA-5767

7EC

4.00

PRE

15

40

99

99

12B

ATRAZINE

90DG

1.00

PRE

13

BANVEL

4L

0.50

PRE

30

60

73

95

14

CHECK

0

0

0

0

15

BICEP

5.9FL

3.60

PRE

33

25

86

96

16

LARIAT

4FL

3.75

PRE

22

27

98

98

17

ATRAZINE

90DF

2.25

PRE

12

63

93

95

18

BAS-514

50WP

1.00

PRE

13

27

20

17

24

19

BAS-514

50WP

1.50

PRE

C.I.
5/31

13

VELE JIWE COLQ
5/31 5/31 5/31

40

30

27

20A

BAS-514

20B

ATRAZINE

21A

BAS-514

21B

ATRAZINE

22A

BAS-514

22B

BANVEL

23

MARKSMAN

24A

MARKSMAN

24B

LASSO

50WP

1.00

90DF

1.50

50WP

1.50

90DF

1.50

50WP

1.00

4L

0.50

3.2FL

3.2FL

4EC

1.40

1.40
2.50

PRE
PRE

PRE
PRE

PRE
PRE

PRE

PRE
PRE

12 70 83 96

10 73 93 99

40 58 85 82

47 68 83 91

22 73 96 95

25

CHECK

0

0

0

0

26A

SAN-582

8EC

1.50

PRE

26B

BANVEL

4L

0.50

PRE

27A

DUAL

8EC

2.00

PRE

27B

BAS-514

50WP

1.50

PRE

42 60 50 63

12 22 50 42

28

BULLET

4FL

3.75

PRE

22 37 95 95

CV

LSD

37 45 20 19

20 30 23 23

25

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN

Trial State :IL

Trial Location :N-100 (URBANA, IL)

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

RCB

4
10.0 40.0
CONVENTIONAL
CLODDY
0

Soil Texture

Soil O.M. %

Soil pH

Soil Name

SILTY CLAY LOAM
: 5.0
: 6.4
: DRUMMER

Metero. Station:

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (plants/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

CORN

PIONEER 3377
4/28/88
MECHANICAL

1.5

28000
30.0

0
DRY

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST HEIGHT (In)

PEST

CODE

STAGE

DENSITY

min max

GIFT

POST

4-5 LF

MEDIUM

2.0 6.0

JIWE

POST

2.0 LF

MEDIUM

2.0 4.0

SMPW

POST

4.0 LF

MEDIUM

1.0 2.0

VELE

POST

2.0 LF

MEDIUM

1.0 2.0

26

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) •
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

4-5 LF

05/26/88

10:00A

40
8002

80
50

8.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

0

N

20

7.5
20

3.0

hrs.

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

:PRE

05/03/88

10:00A

40
8003

75
60

8.0
WATER
HANDHELD
20.0
LOW

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
7.5

hrs

0
N

3.0
70

COMMENTS
Control of GIFT with SB-63596 appeared to be slightly antagonized when atrazine was included in the
tank mix. Bromoxynil on the other hand enhanced SB-63596 activity.

27

1

SB-63596

2

SB-63596

3

SB-63596

4

SB-63596

5A

SB-63596

5B

X-77

6A

SB-63596

6B

X-77

7A

SB-63596

7B

X-77

8A

SB-63596

8B

ATRAZINE

9A

SB-63596

9B

ATRAZINE

10A

SB-63596

10B

ATRAZINE

11A

SB-63596

11B

ATRAZINE

11C

X-77

12A

SB-63596

12B

ATRAZINE

12C

X-77

13A

SB-63596

13B

ATRAZINE

13C

X-77

14A

SB-63596

14B

BLADEX

15A

SB-63596

15B

BLADEX

15C

X-77

16

ATRAZINE

0.89EC

40.48G

PRE

0.89EC

20.24G

4-5L

0.89EC

30.36G

4-5L

0.89EC

40.48G

4-5L

0.89EC

20.24G

4-5L

%/V

0.05

4-5L

0.89EC

30.36G

4-5L

%/V

0.05

4-5L

0.89EC

40.48G

4-5L

%/V

0.05

4-5L

0.89EC

20.24G

4-5L

90DF

1.20

4-5L

0.89EC

30.36G

4-5L

90DF

1.20

4-5L

0.89EC

40.48G

4-5L

90DF

1.20

4-5L

0.89EC

20.24G

4-5L

90DF

1.20

4-5L

%/V

0.05

4-5L

0.89EC

30.36G

4-5L

90DF

1.20

4-5L

%/V

0.05

4-5L

0.89EC

40.48G

4-5L

90DF

1.20

4-5L

%/V

0.05

4-5L

0.89EC

30.36G

4-5L

90DF

1.00

4-5L

0.89EC

30.36G

4-5L

90DF

1.00

4-5L

%/V

0.05

4-5L

GIFT

GIFT

6/03

6/10

= = = z

= = = =

76

70

17

25

52

50

60

60

57

60

79

85

17

24

70

45

63

72

34

60

82

83

25

30

65

40

65

75

40

60

90DF

1.20

PRE

31

20

28

■*

GIFT
6/03

GIFT
6/10

= = =

===========

=======

========

=======

= = = = = =

= = = ss

17A

ATRAZINE

90DF

1.00

PRE

76

75

17B

TANDEM

4EC

0.50

4-5L

17C

ATRAZINE

90DF

1.50

4-5L

17D

COC

4L

1QT

4-5L

18A

ATRAZINE

90DF

1.00

PRE

32

25

18B

ATRAZINE

90DF

1.00

4-5L

18C

X-77

%/V

0.05

4-5L

19A

TANDEM

4EC

0.50

4-5L

74

75

19B

ATRAZINE

90DF

1.50

4-5L

19C

COC

4L

1QT

4-5L

20

BLADEX

90DF

1.00

4-5L

29

25

21A

SB-63596

0.89EC

40.48G

4-5L

60

65

21B

2.4-D

3.8EC

0.38

4-5L

22A

SB-63596

0.89EC

40.48G

4-5L

89

92

22A

BROMOXYNIL

2EC

0.38

4-5L

23

CHECK

CV
LSD

19
14

25
15

29

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN II

Trial State :IL

Trial Location :N-100 (URBANA, IL)

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
SOYBEANS

RCB

3
10.0 40.0
CONVENTIONAL
CLODDY
0

Soil Texture

:SILTY CLAY L0£

Soil O.M. %

: 5.0

Soil pH

: 6.4

Soil Name

: DRUMMER

Metero. Station:

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (plants/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

CORN

PIONEER 3377
4/28/88
MECHANICAL

1.5

28000
30.0

0
DRY

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST HEIGHT (In)

PEST

CODE

STAGE

DENSITY

min max

GIFT

POST

4-5 LF

MEDIUM

2.0 6.0

JIWE

POST

2.0 LF

MEDIUM

2.0 4.0

SMPW

POST

4.0 LF

MEDIUM

1.0 2.0

VELE

POST

2.0 LF

MEDIUM

1.0 2.0

30

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

05/26/88

10:00A

40
8002

80
50

8.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

20

7.5

20

hrs

0

N

3.0

COMMENTS
There appeared to be little effect of rate or additive on the efficacy of DPX-V9360.

31

GIFT
6/05

VELE
6/05

JIWE
6/05

1A
IB

DPX-V9360
X-77

72DF
%/V

0.50Z
0.25

4-5L
4-5L

76

30

40

2A

2B

DPX-V9360
X-77

72DF
%/V

0.75Z
0.25

4-5L
4-5L

85

53

60

3A
3B

DPX-V9360
X-77

72DF
%/V

1.00Z
0.25

4-5L
4-5L

83

63

57

4A
4B
4C

DPX-V9360

28%N

X-77

72DF
4L

%/V

0.50Z
4.00Q
0.25

4-5L
4-5L
4-5L

87

45

52

5A
5B
5C

DPX-V9360

28%N
X-77

72DF

4L

%/V

0.75Z
4.00Q
0.25

4-5L
4-5L
4-5L

87

43

57

6A
6B
6C

DPX-V9360

28%N

X-77

72DF

4L

%/V

1.00Z
4.00Q
0.25

4-5L
4-5L
4-5L

89

53

72

7

CHECK

0

0

0

8A
8B

DPX-V9360
COC

72DF
4L

0.50Z
1.00Q

4-5L
4-5L

89

57

58

9A
9B

DPX-V9360
COC

72DF
4L

0.75Z
l.OOQ

4-5L
4-5L

88

70

62

10A
lOB

DPX-V9360
COC

72DF
4L

1.00Z
l.OOQ

4-5L
4-5L

73

73

73

11A
11B
11C

DPX-V9360

28%N

COC

72DF

4L

4L

0.50Z
4.00Q
1.0Q

4-5L
4-5L
4-5L

83

50

43

12A
12B
12C

DPX-V9360

28%N

COC

72DF

4L

4L

0.75Z
4.00Q
l.OOQ

4-5L
4-5L
4-5L

85

69

61

13A
13B
13C

DPX-V9360

28%N

COC

72DF

4L

4L

1.00Z
4.00Q
l.OOQ

4-5L
4-5L
4-5L

84

67

80

CV
LSD

8

10

24

21

24

23

32

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN III

Trial State :IL

Trial Location :N-100 (URBANA, IL)

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

RCB

3
10.0 40.0
CONVENTIONAL
CLODDY
0

Soil Texture
Soil O.M. %
Soil pH
Soil Name

SILTY CLAY LOAM

: 5.0

: 6.4

: DRUMMER

Metero. Station:

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (Plants/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

CORN

PIONEER 3377
04/28/88
MECHANICAL

1.5
28000
30.0
75
DRY

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST

CODE

STAGE

DENSITY

GIFT

2-3L

4 LF

MED

GIFT

4-5L

4-5 LF

MED

JIWE

2-3L

2 LF

MED

JIWE

4-5L

3.0 LF

MED

VELE

2-3L

4 LF

MED

VELE

4-5L

5.0 LF

MED

PEST

HEIGHT

(In)

min

max

2.0

4.0

3.0

6.0

2.0

4.0

3.0

5.0

2.0

4.0

3.0

5.0

33

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

:2-3L
05/23/88
2: OOP

40
8002

70
99

3.0
WATER
HANDHELD
20.0
WET

Nozzle Spacing (In) : 20

Boom Length (Ft) : 7.5

Boom Height (In) : 20

Incorporation Equip

Elapsed Time to Incorp.

Incorp. Depth (In)

Percent Cloud Cover : 0

Dew Presence (Y/N)

Ground Speed (MPH) : 3.0

Soil Temp (F) : 70

hrs

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

:4-5L

05/26/88

10:00A

40
8002

80
50

8.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In) : 20
Boom Length (Ft) : 7.5
Boom Height (In) : 20
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N) :N
Ground Speed (MPH) : 3.0
Soil Temp (F) : 70

hrs

34

-

GIFT

GIFT

VELE

JIWE

C.I.

C.I.

6/04

6/22

6/04

6/04

6/07

6/22

1A

KIH-2665

1.5FL

0.075

2-3L

92

88

99

94

2

0

IB

X-77

%/V

0.25

2-3L

2A

KIH-2665

1.5FL

0.10

2-3L

97

94

99

90

3

0

2B

X-77

%/V

0.25

2-3L

3A

KIH-2665

1.5FL

0.125

2-3L

97

97

99

99

7

0

3B

X-77

%/V

0.25

2-3L

4A

KIH-2665

1.5FL

0.075

2-3L

98

97

99

97

12

0

4B

LASSO

4EC

1.50

2-3L

4C

X-77

%/V

0.25

2-3L

5A

KIH-2665

1.5FL

0.10

2-3L

98

98

91

94

17

0

5B

LASSO

4EC

1.50

2-3L

5C

X-77

%/V

0.25

2-3L

6A

KIH-2665

1.5FL

0.075

2-3L

94

92

98

96

8

0

6B

ATRAZINE

90DG

0.10

2-3L

6C

X-77

%/V

0.25

2-3L

7A

KIH-2665

1.5FL

0.10

2-3L

95

95

98

96

12

0

7B

ATRAZINE

90DG

1.50

2-3L

7C

X-77

%/V

0.25

2-3L

8A

KIH-2665

1.5FL

0.075

4-5L

86

90

93

93

5

0

8B

X-77

%/V

0.25

4-5L

9A

KIH-2665

1.5FL

0.10

4-5L

91

90

98

95

10

0

9B

X-77

%/V

0.25

4-5L

10

CHECK

0

0

0

0

0

11A
11B

KIH-2665
X-77

1.5FL
%/V

0.125
0.25

4-5L
4-5L

12A
12B
12C

KIH-2665

LASSO

X-77

1.5FL

4EC

%/V

0.075

1.50

0.25

4-5L
4-5L
4-5L

13A
13B
13C

KIH-2665

LASSO

X-77

1.5FL

4EC

%/V

0.10
1.50
0.25

4-5L
4-5L
4-5L

14A
14B
14C

KIH-2665

ATRAZINE

X-77

1.5FL
90DG
%/V

0.075

1.50

0.25

4-5L
4-5L
4-5L

93 88 96 75 20 3

83 81 87 79 12

80 72 98 90 10 0

73 65 99 92 10 0

35

GIFT

GIFT

VELE

JIWE

C.I.

C.I

6/04

6/22

6/04

6/04

6/07

6/3

15A

KIH-2665

1.5FL

0.10

4-5L

75

70

95

95

7

0

15B

ATRAZINE

90DG

1.50

4-5L

15C

X-77

%/V

0.25

4-5L

16A

KIH-2665

1.5FL

0.075

6-7L

85

70

93

85

10

0

16B

X-77

%/V

0.25

6-7L

17A

KIH-2665

1.5FL

0.10

6-7L

85

87

99

86

15

0

17B

X-77

%/V

0.25

6-7L

18A

KIH-2665

1.5FL

0.125

6-7L

91

86

98

83

15

3

18B

X-77

%/V

0.25

6-7L

19A

KIH-2665

1.5FL

0.075

6-7L

67

60

95

95

10

0

19B

ATRAZINE

90DG

1.50

6-7L

19C

X-77

%/V

0.25

6-7L

20A

KIH-2665

1.5FL

0.10

6-7L

75

63

87

90

10

0

20B

ATRAZINE

90DG

1.50

6-7L

20C

X-77

%/V

0.25

6-7L

CV

6

8

5

11

15

4

LSD

8

11

8

15

10

3

36

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN IV

Trial State :IL

Trial Location :N-100 (URBANA, IL)

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

RCB

3
10.0 40.0
CONVENTIONAL
CLODDY

0

Soil Texture
Soil O.M. %
Soil pH
Soil Name

:SILTY CLAY LOAM
: 5.0
: 6.4
: DRUMMER

Metero. Station:

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (plants/acre)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture @ Planting

CORN
PIONEER 3377

4/27/88
MECHANICAL

1.5

28000
30.0

70
DRY

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

CODE

STAGE

GIFT

2-3L

4

LF

GIFT

4-5L

4-

■5

LF

J I WE

2-3L

2

LF

JIWE

4-5L

2

LF

SMPW

2-3L

4

LF

SMPW

4-5L

4

LF

VELE

2-3L

2

LF

VELE

4-5L

4

LF

PEST

PEST

HEIGHT

(In)

DENSITY

min

max

MEDIUM

4.0

6.0

MEDIUM

2.0

6.0

MEDIUM

2.0

4.0

MEDIUM

2.0

4.0

MEDIUM

1.0

2.0

MEDIUM

2.0

4.0

MEDIUM

1.0

2.0

MEDIUM

2.0

4.0

37

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:2-3L

05/23/88

02:00P

40
8002

70
99

3.0
WATER
HANDHELD
20.0
WET

Nozzle Spacing (In) : 20
Boom Length (Ft) : 7.5
Boom Height (In) : 2 0
Incorporation Equip
Elapsed Time to Incorp,
Incorp. Depth (In)
Percent Cloud Cover : 0
Dew Presence (Y/N)
Ground Speed (MPH) : 3.0
Soil Temp (F) : 70

hrs

Application Code
Date of Application
Date of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:4-5L

05/26/88

10:00A

40
8002

80
50

8.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In) : 20

Boom Length (Ft) : 7.5

Boom Height (In) : 20
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)

Percent Cloud Cover : 0

Dew Presence (Y/N) :N

Ground Speed (MPH) : 3.0

Soil Temp (F) : 70

hrs

COMMENTS

Accent (DPXV9360) and Tandem + atrazine provided better giant foxtail control with less
corn injury than did Beacon, KIH2665, or SB63596 especially on the larger size foxtail. SB63596
provided the poorest velvetleaf and jimsonweed control.

38

-

C.I.

C.I.

GIFT

GIFT

VELE

VELE

.

5/31

6/10

5/31

6/10

5/31

6/10

1A

BEACON

75WG

12G

2-3L

3

0

87

63

96

90

IB

X-77

%/V

0.25

2-3L

2A

BEACON

75WG

16G

2-3L

0

0

92

82

90

95

2B

X-77

%/V

0.25

2-3L

3A

DPXV9360

72DF

0.5Z

2-3L

0

0

92

92

90

96

3B

COC

4L

l.OQ

2-3L

4A

DPXV9360

72DF

0.75Z

2-3L

5

0

88

95

75

95

4B

COC

4L

l.OQ

2-3L

5A

KIH-2665

1.5F

0.10

2-3L

5

0

92

92

97

97

5B

X-77

%/V

0.25

2-3L

6A

KIH-2665

1.5F

0.125

2-3L

13

0

96

92

96

97

6B

X-77

%/V

0.25

2-3L

7A

SB63596

0.89EC

30G

2-3L

2

0

27

37

7

23

7B

X-77

%/V

0.05

2-3L

8A

SB63596

0.89EC

40G

2-3L

2

0

77

60

60

33

8B

X-77

%/V

0.05

2-3L

9A

TANDEM

4EC

0.50

2-3L

5

0

96

90

98

99

9B

ATRAZINE

90DF

1.50

2-3L

9C

COC

4L

l.OQ

2-3L

10A

TANDEM

4EC

0.50

2-3L

30

12

95

87

99

99

10B

BLADEX

90DF

0.80

2-3L

IOC

ATRAZINE

90DF

0.80

2-3L

10D

COC

4L

l.OQ

2-3L

11A

TANDEM

4EC

0.75

2-3L

13

5

95

92

99

99

11B

ATRAZINE

90DF

2.00

2-3L

11C

COC

4L

l.OQ

2-3L

12

CHECK

13A

BEACON

13B

X-77

14A

BEACON

14B

X-77

75WG
%/V

75WG
%/V

12G
0.25

16G
0.25

4-5L
4-5L

4-5L
4-5L

0 0 0 0 0 0

3 0 43 67 23 95

0

0

47 67 67 95

39

CI. C.I. GIFT GIFT VELE VELE'
5/31 6/10 5/31 6/10 5/31 6/10

15A

DPXV9360

72DF

0.5Z

4-5L

15B

COC

4L

1.0Q

4-5L

16A

DPXV9360

72DF

0.75Z

4-5L

16B

COC

4L

1.0Q

4-5L

17A

KIH-2665

1.5F

0.10

4-5L

17B

X-77

%/V

0.25

4-5L

18A

KIH-2665

1.5F

0.125

4-5L

18B

X-77

%/V

0.25

4-5L

19A

SB63596

0.89EC

30G

4-5L

19B

X-77

%/V

0.05

4-5L

20A

SB63596

0.89EC

40G

4-5L

20B

X-77

%/V

0.05

4-5L

21A

TANDEM

4EL

0.50

4-5L

21B

ATRAZINE

90DF

1.50

4-5L

21C

COC

4L

1.0Q

4-5L

22A

TANDEM

4EL

0.50

4-5L

22B

BLADEX

90DF

0.80

4-5L

22C

ATRAZINE

90DF

0.80

4-5L

22D

COC

4L

1.0Q

4-5L

23A

TANDEM

4EL

0.75

4-5L

23B

ATRAZINE

90DF

2.00

4-5L

23C

COC

4L

1.0Q

4-5L

17

0 53 87 23 92

57 96 20 93

73 90 90 95

37 12 73 95 80 96

80 63 43 60

63 87 43 47

67 60 99 95

17 10 83 70 99 98

87 77 98 99

24

CHECK

0

0

0

cv

LSD

20 6 7
11 2 8

12 16 7
14 17 8

40

JIWE JIWE
5/31 6/10

1A
IB

BEACON
X-77

75WG
%/V

12G
0.25

2-3L
2-3L

2A

2B

BEACON
X-77

75WG
%/V

16G
0.25

2-3L
2-3L

3A

3B

DPXV9360
COC

72DF
4L

0.5Z
1.0Q

2-3L
2-3L

4A

4B

DPXV9360
COC

72DF
4L

0.75Z
1.0Q

2-3L
2-3L

5A

5B

KIH-2665
X-77

1.5F
%/V

0.10
0.25

2-3L
2-3L

6A
6B

KIH-2665
X-77

1.5F
%/V

0.125
0.25

2-3L
2-3L

7A

7B

SB63596
X-77

0.89EC
%/V

30G
0.05

2-3L
2-3L

8A
8B

SB63596
X-77

0.89EC

%/V

40G
0.05

2-3L
2-3L

9A
9B
9C

TANDEM

ATRAZINE

COC

4EC

90DF

4L

0.50
1.50
1.0Q

2-3L
2-3L
2-3L

10A
10B
IOC
10D

TANDEM
BLADEX
ATRAZINE
COC

4EC
90DF
90DF
4L

0.50
0.80
0.80
1.0Q

2-3L
2-3L
2-3L
2-3L

11A
11B
11C

TANDEM

ATRAZINE

COC

4EC

90DF

4L

0.75
2.00
1.0Q

2-3L
2-3L
2-3L

96

96

99

93

99

99

60

98

99

95

95

96

99

97

97

30

47

99

97

99 99

12

CHECK

13A
13B

BEACON
X-77

75WG
%/V

12G
0.25

4-5L

4-5L

17

92

14A
14B

BEACON
X-77

75WG
%/V

16G
0.25

4-5L
4-5L

67

93

15A

15B

DPXV9360
COC

72DF
4L

0.5Z
1.0Q

4-5L
4-5L

23

92

41

JIWE JIWE
5/31 6/10

16A

DPXV9360

16B

COC

17A

KIH-2665

17B

X-77

18A

KIH-2665

18B

X-77

19A

SB63596

19B

X-77

20A

SB63596

20B

X~77

21A

TANDEM

21B

ATRAZINE

21C

COC

22A

TANDEM

22B

BLADEX

22C

ATRAZINE

22D

COC

23A

TANDEM

23B

ATRAZINE

23C

COC

72DF

0.75Z

4-5L

4L

1.0Q

4-5L

1.5F

0.10

4-5L

%/V

0.25

4-5L

1.5F

0.125

4-5L

%/V

0.25

4-5L

0.89EC

30G

4-5L

%/V

0.05

4-5L

0.89EC

40G

4-5L

%/V

0.05

4-5L

4EL

0.50

4-5L

90DF

1.50

4-5L

4L

1.0Q

4-5L

4EL

0.50

4-5L

90DF

0.80

4-5L

90DF

0.80

4-5L

4L

1.0Q

4-5L

4EL

0.75

4-5L

90DF

2.00

4-5L

4L

1.0Q

4-5L

40 93

87 95

96 96

30 57

13 67

99 95

99 99

99 99

24 CHECK

CV 10 11

LSD 11 14

42

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

CORN POSTEMERGENCE V
:IL

:C400 (URBANA, IL)
:61801
: CANTWELL/ LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

:RCB

:4

:10.0 40.0

: CONVENTIONAL

:FINE

:0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station:

SILT LOAM
4 .0
6 .0
FLANAGAN

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop :

:CORN

Crop Variety :

: PIONEER 3371:

r

Planting Date :

: 04/21/88

Planting Method

: MECHANICAL

Planting Depth (in) :

: 1.5

Seeding Rate (seeds/acre)

: 28000

Row Spacing (in)

:30.0

Soil Temp (F) § Plant

:70

Soil Moisture @ Planting

: ADEQUATE

Pest

TRIAL APPLICATION PEST GROWTH

PEST

PEST CODE STAGE

DENSITY

JIWE POST

4 LF

MED

VELE POST

6

LF

MED

PEST HEIGHT (In)
min max

2.0
2.0

6.0
4.0

43

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

05/31/88

Nozzle Spacing (In) :

: 20

1:00P

Boom Length (Ft) :

: 7.5

40

Boom Height (In) :

: 20

8002

Incorporation Equip

90

Elapsed Time to Incorp.

40

Incorp. Depth (In)

3.0

Percent Cloud Cover :

: 0

WATER

Dew Presence (Y/N) :

:N

HANDHELD

Ground Speed (MPH)

: 3.0

20.0

Soil Temp (F)

: 75

ADEQUATE

COMMENTS

hrs

i

i
i

A number of postemergence treatments were compared on a moderate stand of broadleaf weeds iif
corn, consisting mainly of jimsonweed and velvetleaf. Growing conditions in terms of moisture, were
barely adequate, at the time of application. A number of treatments provided fairly good control witl
essentially no injury to corn. The adjuvant BAS-090 greatly increased the effect of BAS-514 on com.'

i

i

44

1A

DPXM6316

IB

X-77 ■

2A

DPXM6316

2B

X-77

3A

DPXM6316

3B

X-77

4A

DPXV9360

4B

X-77

5A

DPXM6316

5B

DPXV9360

5C

X-77

6A

DPXM6316

6B

DPXV9360

6C

X-77

7k

DPXM6316

7B

DPXV9360

7C

X-77

8

2.4-D

9

2.4-D

10

BANVEL

11

BANVEL

12

CHECK

13A

LADDOCK

13B

DASH

14A

LADDOCK

14B

COC

15A

LADDOCK

15B

28%N

16A

LADDOCK

16B

DASH

17A

LADDOCK

17B

COC

-

C.I.

VELE

JIWE

6/13

6/13

6/13

75DF

0.063Z

POST

2

70

45

%/V

0.25

POST

75DF

0.094Z

POST

0

67

40

%/V

0.25

POST

75DF

0.125Z

POST

2

79

57

%/V

0.25

POST

75DF

0.50Z

POST

0

76

57

%/V

0.25

POST

75DF

0.063Z

POST

0

81

76

72DF

0.50Z

POST

%/V

0.25

POST

75DF

0.094Z

POST

0

82

76

72DF

0.50Z

POST

%/V

0.25

POST

75DF

0.125Z

POST

5

84

79

72DF

0.50Z

POST

%/V

0.25

POST

3.8EC

0.25

POST

0

76

55

3.8EC

0.50

POST

0

89

66

4SC

0.25

POST

0

77

72

4SC

0.50

POST

2

90

81

0

0

0

3.33FL

0.83

POST

0

65

86

4L

1.0Q

POST

3.33FL

0.83

POST

0

80

90

4L

1.0Q

POST

3.33FL

0.83

POST

0

77

89

4L

4.0Q

POST

3.33FL

1.04

POST

5

71

91

4L

1.0Q

POST

3.33FL

1.04

POST

2

77

84

4L

1.0Q

POST

45

C.I.

VELE

JIWE

6/13

6/13

6/13

= = =

==========

=========

=======

=======

= = = = =

= = = = =

= = = =

18A

LADDOCK

3.33FL

1.04

POST

0

74

89

18B

28%N

4L

4.0Q

POST

19A

ATRAZINE

90DF

0.50

POST

0

37

62

19B

coc

4L

1.0Q

POST

20A

ATRAZINE

90DF

0.75

POST

0

42

75

20B

COC

4L

1.0Q

POST

21A

BASAGRAN

4L

0.50

POST

0

70

82

21B

COC

4L

1.0Q

POST

22A

BAS-514

50WP

0.25

POST

0

27

27

22B

COC

4L

1.0Q

POST

23A

BAS-514

50WP

0.50

POST

0

37

32

23B

COC

4L

1.0Q

POST

24A

BAS-514

50WP

0.25

POST

55

30

47

24B

BAS-090

4L

1.0Q

POST

25A

BAS-514

50WP

0.50

POST

67

37

45

25B

BAS-090

4L

1.0Q

POST

26

BAS-090

4L

1.0Q

POST

0

0

0

27

CHECK

0

0

0

CV

19

17

17

LSD

5

15

14

46

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

CORN POSTEMERGENCE VI
:IL

:AS100 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

RCB
3

10x40

CONVENTIONAL
FINE
0

Soil Texture
Soil O.M. %
Soil pH
Soil Name

:SILTY CLAY LOAM
: 5.0
: 6.0
: DRUMMER

Metero. Station:

previous
SOYBEANS

crop

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (plants/acre)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

CORN
PIONEER 3377

4/27/88
MECHANICAL

1.5

28000
30.0

70
ADEQUATE

Pest

TRIAL

PEST

J I WE
PESW
VELE

APPLICATION
CODE

POST
POST
POST

4
8
8

PEST GROWTH
STAGE

LF
LF
LF

PEST
DENSITY

PEST HEIGHT (In)
min max

MEDIUM

4.0

8.0

MEDIUM

6.0

12.0

HIGH

6.0

12.0

47

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F>
Relative Humidity-
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

: POST

05/31/88

Nozzle Spacing (In) :

: 20

1:00P

Boom Length (Ft) :

: 7.5

40

Boom Height (In) :

: 20

8002

Incorporation Equip :

90

Elapsed Time to Incorp.

40

Incorp. Depth (In)

3.0

Percent Cloud Cover :

: 0

WATER

Dew Presence (Y/N) ;

:N

HANDHELD

Ground Speed (MPH)

: 3.0

20.0

Soil Temp (F) : 75

ADEQUATE

COMMENTS

hrs

i
i

!
I
1

Buctril, atrazine, 2,4-D and Banvel provided better broadleaf weed control than did Tough, EF-68I
or triclopyr. EF 689 plus triclopyr provided better control than either one alone.

i

i
i

i
i

I
I

48

-

C.I.

SMPW

JIWE

VELE

6/10

6/10

6/10

6/10

1

BUCTRIL

2EC

0.25

POST

0

63

96

83

2

BUCTRIL

2EC

0.38

POST

0

75

99

87

3A

BUCTRIL

2EC

0.25

POST

0

88

99

92

3B

ATRAZINE

90DF

0.50

POST

4A

BUCTRIL

2EC

0.25

POST

2

92

99

92

4B

2.4-D LVE

3.8EC

0.25

POST

5A

BUCTRIL

2EC

0.375

POST

5

89

99

99

5B

ATRAZINE

90DF

0.50

POST

6

MARKSMAN

3.2L

1.40

POST

0

94

99

93

7

2.4-D

3.8EC

0.38

POST

0

96

17

96

8

BANVEL

4L

0.25

POST

0

96

99

90

9A

ATRAZINE

90DF

1.50

POST

0

90

95

90

9B

COC

4L

l.OQ

POST

10

TOUGH

3.75EC

0.45

POST

50

17

33

11A TOUGH

11B ATRAZINE

12A TOUGH

12B ATRAZINE

13

16

CHECK

14 EF-689

15 EF-689

EF-689

17

TRICLOPYR

18

TRICLOPYR

19

TRICLOPYR

20A

EF-689

20B

TRICLOPYR

3.75EC

0.45

90DF

0.60

3.75EC

0.60

90DF

0.60

1.67EC

0.5Z

1.67EC

l.OZ

1.67EC

1.5Z

4EC

0.5Z

4EC

l.OZ

4EC

1.5Z

1.67EC

0.5Z

4EC

0.5Z

POST
POST

0

77

47

33

POST

0

90

77

63

POST

0

0

0

0

POST

0

10

40

50

POST

0

20

77

82

POST

0

27

70

90

POST

0

63

23

10

POST

0

53

33

27

POST

0

57

23

30

POST

0

40

67

47

POST

49

C.I. SMPW JIWE VELE
6/10 6/10 6/10 6/10

21A EF-689 1.67EC 0.75Z POST 0 80 90 87

21B TRICLOPYR 4EC 0.75Z POST

22 CHECK

23A

TANDEM

4L

0.50

POST

0

99

99

86

23B

ATRAZINE

90DF

1.50

POST

23C

COC

4L

1.0Q

POST

CV

2

11

14

10

LSD

1

11

14

11

50

BACKGROUND

-

Trial Title : POST BDLF WEED CONTROL IN CORN VII

Trial State

:ILL

Trial Location

:AS100

Trial Zipcode

:61801

Prime Investigator

: ORFANEDES/LIEBL/WAX

SITE

Experimental Design

:RCB Soil

Texture :

SILTY C

Number of Replicates

: 0 Soil

CM. %

•

5.0

Plot Wd X Lth (Ft)

:10.0 40.0 Soil

pH

•
■

6.0

Tillage Type

: CONVENTIONAL Soil

Name

•
•

DRUMMER

Seedbed Description

:FINE Metero. Station:

Ground cover & %

:30

previous crop

previous pesticide

year

SOYBEANS

1987

CROP

Trial Crop

CORN

Crop Variety

PIONEER 3377

Planting Date

4/27/88

Planting Method

.MECHANICAL

Planting Depth (in)

:1.5

Seeding Rate (seeds/acre)

:28000

Row Spacing (in)

:30

Soil Temp (F) @ Plant :

:70

Soil Moisture § Planting

: ADEQUATE

Pest

TRIAL APPLICATION

PEST GROWTH PEST

PEST

HEIGHT

PEST CODE

STAGE DENSITY

min

max

JIWE POST

2-3 LF

MEDIUM

1

3

SMPW POST

1-5 LF

MEDIUM

3

5

VELE POST

4

LF

MEDIUM

1

3

CLAY LOA>

(In)

51

Application Code

:PRE

Date of Application

:4/30/88

Time of Application

:9-10A

Pressure (PSI)

:34

Nozzle Type

:8002

Air Temp (F)

:70

Relative Humidity

:50

Wind Speed (MPH) :

: 8 NE

Diluent Carrier

: WATER

Appli Equip Type :

: TRACTOR

Spray Volume (GPA) :

: 18.0

Soil Moisture § App. :

:DRY

Application Code :

:POST

Date of Application :

: 5/26/88

Time of Application :

:7:30A

Pressure (PSI) :

,40

Nozzle Type :

8002

Air Temp (F) :

65

Relative Humidity :

60

Wind Speed (MPH) :

8 SW

Diluent Carrier ;

WATER

Appli Equip Type :

HANDHELD

Spray Volume (GPA) !

0.0

Soil Moisture @ App. :

DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :56

20

10.0
20
NONE

:0
:N
3 MPH

hrs.

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :65

20
7.5
20
NONE

hrs.

0
N
3

MPH

COMMENTS

Due to low soil moisture levels, all preemergence treatments failed to provide satisfactory weed
control. Smooth pigweed appears to be relatively resistant to both XRM-3972 and EF-689. When tan!
mixed with XRM-3972, at least one lb. of atrazine was required for acceptable postemergence control
of smooth pigweed. Higher rates of atrazine were required to improve velvetleaf control while lower
rates provided satisfactory control of jimsonweed.

52

SMPW SMPW VELE VELE JIWE JIWE
6/02 6/09 6/02 6/09 6/02 6/09

1

XRM-3972

3SC

0.5Z

POST

7

7

8

8

13

28

2A

XRM-3972

3SC

0.5Z

POST

7

7

12

12

20

35

2B

COC

4L

1.0Q

POST

3A

XRM-3972

3SC

0.75Z

POST

13

13

17

17

35

52

3B

COC

4L

1.0Q

POST

4

XRM-3972

3SC

1.50Z

POST

10

10

15

17

58

60

5A

XRM-3972

3SC

1.50Z

POST

10

17

18

20

62

65

5B

COC

4L

1.0Q

POST

6A

XRM-3972

3SC

0.50Z

POST

33

33

17

27

82

82

6B

ATRAZINE

4L

2.65Z

POST

6C

COC

4L

1.0Q

POST

7A

XRM-3972

3SC

0.75Z

POST

55

60

18

32

83

87

7B

ATRAZINE

4L

4.0Z

POST

7C

COC

4L

1.0Q

POST

8A

XRM-3972

3SC

1.50Z

POST

75

75

53

60

93

94

8B

ATRAZINE

4L

8.0Z

POST

8C

COC

4L

1.0Q

POST

9A

XRM-3972

3SC

1.50Z

POST

83

88

57

58

93

99

9B

ATRAZINE

4L

16Z

POST

9C

COC

4L

1.0Q

POST

10A

XRM-3972

3SC

1.50Z

POST

100

100

70

77

95

98

10B

ATRAZINE

4L

24Z

POST

IOC

COC

4L

1.0Q

POST

11

ATRAZINE

4L

8Z

PRE

5

5

5

12

10

13

12

ATRAZINE

4L

16Z

PRE

3

3

5

22

5

5

13

ATRAZINE

4L

24Z

PRE

5

20

7

33

13

25

14A

ATRAZINE

4L

8Z

PRE

80

100

48

55

93

98

14B

XRM-3972

3SC

1.5Z

POST

14C

ATRAZINE

4L

8Z

POST

14D

COC

4L

1.0Q

POST

15A

ATRAZINE

4L

16Z

PRE

40

85

57

68

73

100

15B

XRM-3972

3SC

1.5Z

POST

15C

ATRAZINE

4L

8Z

POST

15D

COC

4L

1.0Q

POST

53

I

SMPW SMPW VELE VELE
6/02 6/09 6/02 6/09

JIWE jiweI
6/02 6/09

16A

ATRAZINE

4L

24Z

PRE

50

75

65

68

98

98

16B

XRM-3972

3SC

1.5Z

POST

16C

ATRAZINE

4L

8Z

POST

16D

coc

4L

1.0Q

POST

17

MARKSMAN

3.2L

1.4Z

POST

37

37

23

35

30

32

18

EF-689

1.67EC

0.5Z

POST

15

15

28

30

65

65

19

EF-689

1.67EC

1.5Z

POST

22

22

73

85

80

97

20

2,4-D A

3.8L

8.0Z

POST

55

75

67

83

60

79

cv

27

28

25

27

14

8

LSD

16

19

14

18

13

9

i

54

BACKGROUND
Trial Title
Trial State •
Trial Location
Trial Zipcode

EPP WEED CONTROL IN SOYBEANS I
:IL

:C500 CENTER (URBANA IL)
-.61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

:RCB

: 4

:10.0 40

: NO-TILL

: NO-TILL

:100%

Soil Texture :
Soil O.M. % :
Soil pH :
Soil Name :
Metero. Station:

SILT LOAM

4.0

6.0
FLANAGAN

previous crop
CORN

previous pesticide
SOY HERBICIDE

year
1987

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (seeds/foot)
Row Spacing (in)
Soil Temp (F) @ Plant
Soil Moisture @ Planting

SOYBEANS

Williams

05/19/88

Mechanical

1.5

10

30

70
dry

55

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

:EPP
04/14/88

3: OOP
30
8003

65
70

5.0
WATER
HANDHELD
25.0
ADEQUATE

Nozzle Spacing (In) :20

Boom Length (Ft) : 10

Boom Height (In) :20

Incorporation Equip :
Elapsed Time to Incorp. :

Incorp. Depth (In) :

Percent Cloud Cover :0

Dew Presence (Y/N) :N

Ground Speed (MPH) :3.0
Soil Temp (F) : 60

hrs

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

PRE

5/20/88

8:00A

40

8003

85

75

8 NE

WATER

HAND-HELD

25

DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
10
20

0
N
3
80

hrs

COMMENTS

Rainfall was limited throughout the season, especially following planting. Few additional weeds
emerged after planting. The most prevalent species were giant foxtail, velvetleaf, and horseweed. No
treatment caused significant injury to soybeans. A number of treatments provided good to excellent
control of giant foxtail and velvetleaf, however few controlled horseweed adequately.

56

GIFT GIFT VELE VELE CODA CODA
5/22 6/21 5/22 6/21 5/22 6/21

1A

IB

DUAL .
BAS514

8EC
50WP

2.5
990.5

EPP
EPP

2A
2B

DUAL
METRIBUZIN

8EC
75DF

2.5
0.5

EPP
EPP

3A

3B

DUAL
SCEPTER

8EC
1.5SC

2.5
0.125

EPP
EPP

4A
4B

DUAL
PREVIEW

8EC
75DF

2.5
0.40

EPP
EPP

5A

5B

PROWL
BAS514

4EC
50WP

1.25
0.5

EPP
EPP

6A
6B

PROWL

METRIBUZIN

4EC
75DF

1.25
0.5

EPP
EPP

7A

7B

PROWL
SCEPTER

4EC
1.5SC

1.25
0.125

EPP
EPP

8A
8B

PROWL

PREVIEW

4EC
75DF

1.25
0.40

EPP
EPP

9A
9B

COMMAND
BAS514

4EC
50WP

1.0
0.5

EPP
EPP

10A
10B

COMMAND
METRIBUZIN

4EC
75DF

1.0
0.5

EPP
EPP

11A
11B

COMMAND
SCEPTER

4EC
1.5SC

1.0
0.125

EPP
EPP

12A
12B

COMMAND
PREVIEW

4EC
75DF

1.0
0.40

EPP
EPP

13

CHECK

14A

DUAL

14B

BAS514

14C

DUAL

14D

BAS514

8EC

1.5

50WP

0.3

8EC

1.0

50WP

0.2

EPP
EPP
PRE
PRE

76 75 52 32 27 30

94 90 87 54 50 42

92 90 92 75 40 27

96 90 96 72 85 62

81 92 67 51 37 45

87 84 84 72 65 62

92 91 91 74 50 45

84 84 86 57 79 60

97 90 96 79 65 45

96 93 97 86 97 89

96 93 96 87 71 59

99 94 98 90 95 79

oooooo

82 80 66 45 42 37

57

15A

DUAL

8EC

1.5

EPP

15B

METRIBUZIN

75DF

0.3

EPP

15C

DUAL

8EC

1.0

PRE

15D

METRIBUZIN

75DF

0.2

PRE

16A

DUAL

8EC

1.5

EPP

16B

SCEPTER

1.5SC

0.075

EPP

16C

DUAL

8EC

1.0

PRE

16D

SCEPTER

1.5SC

0.05

PRE

17A

DUAL

8EC

1.5

EPP

17B

PREVIEW

75DF

0.24

EPP

17C

DUAL

8EC

1.0

PRE

17D

PREVIEW

75DF

0.16

PRE

18A

PROWL

4EC

0.75

EPP

18B

BAS514

50WP

0.3

EPP

18C

PROWL

4EC

0.5

PRE

18D

BAS514

50WP

0.2

PRE

19A

PROWL

4EC

0.75

EPP

19B

METRIBUZIN

75DF

0.3

EPP

19C

PROWL

4EC

0.5

PRE

19D

METRIBUZIN

75DF

0.2

PRE

20A

PROWL

4EC

0.75

EPP

20B

SCEPTER

1.5SC

0.075

EPP

20C

PROWL

4EC

0.5

PRE

20D

SCEPTER

1.5SC

0.05

PRE

21A

PROWL

4EC

0.75

EPP

21B

PREVIEW

75DF

0.24

EPP

21C

PROWL

4EC

0.5

PRE

21D

PREVIEW

75DF

0.16

PRE

22A

COMMAND

4EC

0.6

EPP

22B

BAS514

50WP

0.3

EPP

22C

COMMAND

4EC

0.4

PRE

22D

BAS514

50WP

0.2

PRE

23A

COMMAND

4EC

0.6

EPP

23B

METRIBUZIN

75DF

0.3

EPP

23C

COMMAND

4EC

0.4

PRE

23D

METRIBUZIN

75DF

0.2

PRE

GIFT GIFT VELE VELE CODA COD
5/22 6/21 5/22 6/21 5/22 6/21

83 86 79 75 66 65

91 92 87 82 47 52

97 95 96 91 89 74

87 86 83 61 51 45

76 84 75 69 57 52

95 86 90 63 45 40

91 89 93 86 82 84

86 89 84 84 67 75

99 94 98 89 97 80

58

GIFT GIFT VELE VELE CODA CODA
5/22 6/21 5/22 6/21 5/22 6/21

24A

COMMAND

4EC

0.6

EPP

24B

SCEPTER

1.5SC

0.075

EPP

24C

COMMAND

4EC

0.4

PRE

24D

SCEPTER

1.5SC

0.05

PRE

25A

COMMAND

4EC

0.6

EPP

25B

PREVIEW

75DF

0.24

EPP

25C

COMMAND

4EC

0.4

PRE

25D

PREVIEW

75DF

0.16

PRE

94 92 94 87 66 57

96 98 96 96 76 90

26

CHECK

0

0

0

0

0

27A

PURSUIT

2SC

0.63

EPP

27B

DUAL

8EC

2.5

EPP

28A

PURSUIT

2SC

0.63

EPP

28B

PROWL

4EC

1.25

EPP

29A

PURSUIT

2SC

0.06

EPP

29B

DUAL

8EC

1.5

EPP

29C

PURSUIT

2SC

0.03

PRE

29D

DUAL

8EC

1.0

PRE

30A

PURSUIT

2SC

0.06

EPP

30B

PROWL

4EC

0.75

EPP

30C

PURSUIT

2SC

0.03

PRE

30D

PROWL

4EC

0.5

PRE

CV

LSD

69 89 91 70 47 42

91 81 86 70 55 47

97 90 96 79 70 50

90 90

87

86 52

44

15 9 15 18 33 29
18 10 17 18 27 22

59

HOWE HOWE
5/22 6/21

-^=

1A

DUAL

8EC

2.5

EPP

60

50

IB

BAS514

50WP

0.5

EPP

2A

DUAL

8EC

2.5

EPP

70

52

2B

METRIBUZIN

75DF

0.5

EPP

3A

DUAL

8EC

2.5

EPP

40

25

3B

SCEPTER

1.5SC

0.125

EPP

4A

DUAL

8EC

2.5

EPP

86

72

4B

PREVIEW

75DF

0.40

EPP

5A

PROWL

4EC

1.25

EPP

65

57

5B

BAS514

50WP

0.5

EPP

6A

PROWL

4EC

1.25

EPP

76

65

6B

METRIBUZIN

75DF

0.5

EPP

7A

PROWL

4EC

1.25

EPP

55

42

7B

SCEPTER

1.5SC

0.125

EPP

8A

PROWL

4EC

1.25

EPP

82

64

8B

PREVIEW

75DF

0.40

EPP

9A

COMMAND

4EC

1.0

EPP

77

62

9B

BAS514

50WP

0.5

EPP

10A

COMMAND

4EC

1.0

EPP

97

89

10B

METRIBUZIN

75DF

0.5

EPP

11A

COMMAND

4EC

1.0

EPP

87

70

11B

SCEPTER

1.5SC

0.125

EPP

12A

COMMAND

4EC

1.0

EPP

95

79

12B

PREVIEW

75DF

0.40

EPP

13

CHECK

0

0

14A

DUAL

8EC

1.5

EPP

67

37

14B

BAS514

50WP

0.3

EPP

14C

DUAL

8EC

1.0

PRE

14D

BAS514

50WP

0.2

PRE

60

HOWE HOWE
5/22 6/21

15A

DUAL

8EC

1.5

EPP

15B

METRIBUZIN

75DF

0.3

EPP

15C

DUAL

1.0

PRE

15D

METRIBUZIN

75DF

0.2

PRE

16A

DUAL

8EC

1.5

EPP

16B

SCEPTER

1.5SC

0.075

EPP

16C

DUAL

8EC

1.0

PRE

16D

SCEPTER

1.5SC

0.05

PRE

17A

DUAL

8EC

1.5

EPP

17B

PREVIEW

75DF

0.24

EPP

17C

DUAL

8EC

1.0

PRE

17D

PREVIEW

75DF

0.16

PRE

18A

PROWL

4EC

0.75

EPP

18B

BAS514

50WP

0.3

EPP

18C

PROWL

4EC

0.5

PRE

18D

BAS514

50WP

0.2

PRE

19A

PROWL

4EC

0.75

EPP

19B

METRIBUZIN

75DF

0.3

EPP

19C

PROWL

4EC

0.5

PRE

19D

METRIBUZIN

75DF

0.2

PRE

20A

PROWL

4EC

0.75

EPP

20B

SCEPTER

1.5SC

0.075

EPP

20C

PROWL

4EC

0.5

PRE

20D

SCEPTER

l.SSC

0.05

PRE

21A

PROWL

4EC

0.75

EPP

21B

PREVIEW

75DF

0.24

EPP

21C

PROWL

4EC

0.5

PRE

21D

PREVIEW

75DF

0.16

PRE

22A

COMMAND

4EC

0.6

EPP

22B

BAS514

50WP

0.3

EPP

22C

COMMAND

4EC

0.4

PRE

22D

BAS514

50WP

0.2

PRE

23A

COMMAND

4EC

0.6

EPP

23B

METRIBUZIN

75DF

0.3

EPP

23C

COMMAND

4EC

0.4

PRE

23D

METRIBUZIN

75DF

0.2

PRE

66

55

49

50

90

72

57

60

52

59

57

35

85

84

60

62

94

86

61

HOWE HOWE
5/22 6/21

1
I

24A COMMAND 4EC 0.6 EPP 87 66

24B SCEPTER

24C COMMAND

24D SCEPTER

82 81

25A

COMMAND

25B

PREVIEW

25C

COMMAND

25D

PREVIEW

26

CHECK

27A

PURSUIT

27B

DUAL

28A

PURSUIT

28B

PROWL

29A

PURSUIT

29B

DUAL

29C

PURSUIT

29D

DUAL

30A

PURSUIT

30B

PROWL

30C

PURSUIT

30D

PROWL

CV

LSD

4EC

0.6

EPP

1.5SC

0.075

EPP

4EC

0.4

PRE

1.5SC

0.05

PRE

4EC

0.6

EPP

75DF

0.24

EPP

4EC

0.4

PRE

75DF

0.16

PRE

2SC

0.63

EPP

8EC

2.5

EPP

2SC

0.63

EPP

4EC

1.25

EPP

2SC

0.06

EPP

8EC

1.5

EPP

2SC

0.03

PRE

8EC

1.0

PRE

2SC

0.06

EPP

4EC

0.75

EPP

2SC

0.03

PRE

4EC

0.5

PRE

0 0

45 45

65 47

76 57

51 52

27 28
25 22

62

\

l

l
I
I
l
l
I
I
l
I
I
I

I

i

BACKGROUND

Trial Title rURBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SOYBEAN NO-TILL
:IL

:C500 (URBANA, IL)
:61801

: CANTWELL/LIEBL/WAX

SITE

Experimental Design :RCB

Number of Replicates : 4

Plot Wd X Lth (Ft) :10.0

Tillage Type :ZERO

Seedbed Description : FIRM

Ground cover & % : 100%

40.0

Soil Texture
Soil O.M.
Soil pH
Soil Name

%

:SILT LOAM

: 4.0

: 6.0

: FLANAGAN

Metero. Station:

previous crop
CORN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture @ Planting

SOYBEAN
WILLIAMS 8 2
05/19/88
MECHANICAL

1.5
10
30.0

70
DRY

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST HEIGHT

(In)

PEST

CODE

STAGE

DENSITY

min max

DANDE

PRE

HIGH

GIFT

PRE

HIGH

J I WE

PRE

MED

PESW

PRE

MED

SMPW

PRE

MED

GIFT

POST

4 LF

HIGH

2.0 6.0

VELE

POST

4 LF

MED

1.0 2.0

J I WE

POST

4 LF

MED

2.0 4.0

COLQ

POST

MED

4.0 12

63

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

Application Code
Date of Application
Date of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

PRE

05/20/88

Nozzle Spacing (In)

20

07:00A

Boom Length (Ft)

7.5

40

Boom Height (In)

20

8003

Incorporation Equip

80

Elapsed Time to Incc

rp. :

80

Incorp. Depth (In)

5.0

Percent Cloud Cover

0

WATER

Dew Presence (Y/N)

N

HANDHELD

Ground Speed (MPH)

3.0

25.0

Soil Temp (F) :

75

DRY

:P0ST

06/14/88

Nozzle Spacing (In)

:20

7:00A

Boom Length (Ft)

:7.5

50

Boom Height (In)

:20

8002

Incorporation Equip.

95

Elapsed Time to Incc

•rp.

50

Incorp. Depth (In)

6

Percent Cloud Cover

:0

WATER

Dew Presence (Y/N)

:N

HANDHELD

Ground Speed (MPH)

:3

25

Soil Temp (F)

:85

DRY

COMMENTS

hrs.

i

hrs.

The first ratings on 5/28/88 were intended to assess the effect of the burndown treatments, and the
later ratings on 6/21/88 were to assess the overall combined results of the burndown plus the
preemergence residual or the postemergence treatments. BDLF represents a combination of annual
broadleaf weeds: velvetleaf, lambsquarters, and smartweed. The combination of burndown treatments
at planting time, followed by postemergence treatments 3 weeks later, provided the best overall wee
control. None of the treatments caused more than slight visual injury to soybeans.

64

GIFT GIFT CODA CODA HOWE HOWE BDLF
5/28 6/21 5/28 6/21 5/28 6/21 6/21

1A

ROUND-UP

3L

0.75

PRE 95

IB

GALAXY

3.67EC

0.92

POST

1C

POAST

1.5EC

0.15

POST

ID

DASH

4L

1.0Q

POST

2A

ROUND-UP

3L

1.00

PRE 96

2B

GALAXY

3.67EC

0.92

POST

2C

POAST

1.5EC

0.15

POST

2D

DASH

4L

1.0Q

POST

3A

IGNITE

1.67L

0.75

PRE 96

3B

GALAXY

3.67EC

0.92

POST

3C

POAST

1.5EC

0.15

POST

3D

DASH

4L

1.0Q

POST

4A

IGNITE

1.67L

1.00

PRE 97

4B

GALAXY

3.67EC

0.92

POST

4C

POAST

1.5EC

0.15

POST

4D

DASH

4L

1.0Q

POST

5A

PARAQUAT

1.5L

0.38

PRE 95

5B

X-77

%/V

0.25

PRE

5C

GALAXY

3.67EC

0.92

POST

5D

POAST

1.5EC

0.15

POST

5E

DASH

4L

1.0Q

POST

6A

PARAQUAT

1.5L

0.50

PRE 94

6B

X-77

%/V

0.25

PRE

6C

GALAXY

3.67EC

0.92

POST

6D

POAST

1.5EC

0.15

POST

6E

DASH

4L

1.0Q

POST

7A

POAST

1.5EC

0.10

PRE 78

7B

2.4-D

3.8EC

0.50

PRE

7C

COC

4L

1QT

PRE

7D

GALAXY

3.67EC

0.92

POST

7E

POAST

1.5EC

0.15

POST

7F

DASH

4L

1.0Q

POST

8A

PRELUDE

2.5E

1.9

PRE 9:

8B

X-77

%/V

0.25

PRE

8C

CLASSIC

25DF

3.69G

POST

8D

X-77

%/V

0.25

POST

8E

28%N

4L

4.0Q

POST

91

60 77 60 81 81

95

79

80

77 83

81

89

89

84

91 82

85

91

93

92

94 91

90

77

67

69

67 62

74

81

67 80 69 70 69

82

75 92 75 92 89

65

72 60 76 62 62

65

GIFT GIFT CODA CODA HOWE HOWE BDLF
5/28 6/21 5/28 6/21 5/28 6/21 6/21

9A

PRELUDE

2.5E

2.5

PRE

9B

X-77

%/V

0.25

PRE

9C

CLASSIC

25DF

3.69G

POST

9D

X-77

%/V

0.25

POST

9E

28%N

4L

4.0Q

POST

10A

BRONCO

4L

3.00

PRE

10B

CLASSIC

25DF

3.69G

POST

IOC

X-77

%/V

0.25

POST

10D

28%N

4L

4.0Q

POST

11A

BRONCO

4L

4.00

PRE

11B

CLASSIC

25DF

3.69G

POST

11C

X-77

%/V

0.25

POST

11D

28%N

4L

4.0Q

POST

94

96

98

79 72 55 70 62 59

97 87 93 87 94 92

96 91 91 92 94 94

12

CHECK

0

0

0

0

0

13A

ROUND-UP

3L

0.50

PRE

13B

DUAL

8EC

2.50

PRE

13C

SENCOR

75DF

0.40

PRE

14A

ROUND-UP

3L

0.38

PRE

14B

PURSUIT

2SC

0.063

PRE

15A

ROUND-UP

3L

0.50

PRE

15B

PURSUIT

2SC

0.063

PRE

16A

ROUND-UP

3L

0.38

PRE

16B

PREVIEW

75DF

0.38

PRE

16C

LASSO

4EC

2.75

PRE

17A

ROUND-UP

3L

0.50

PRE

17B

PREVIEW

75DF

0.38

PRE

17C

LASSSO

4EC

2.75

PRE

18A

ROUND-UP

3L

0.38

PRE

18B

SCEPTER

1.5SC

0.125

PRE

18C

LASSSO

4EC

2.75

PRE

19A

ROUND-UP

3L

0.50

PRE

19B

SCEPTER

1.5SC

0.125

PRE

19C

LASSO

4EC

2.75

PRE

93

86 57 60 55 61 76

93

94

94

96

90

95

89 60 65 62 62 74

90 52 57 47 57 62

88 45 55 40 50 79

90 65 65 66 62 77

81 52 62 57 62 67

88 66 72 70 67 71

66

20A

IGNITE .

1.67SC

0.50

PRE

20B

PURSUIT

2SC

0.063

PRE

21A

IGNITE

1.67SC

0.75

PRE

21B

PURSUIT

2SC

0.063

PRE

22A

IGNITE

1.67SC

0.50

PRE

22B

PREVIEW

75DF

0.38

PRE

22C

DUAL

8EC

2.25

PRE

23A

IGNITE

1.67SC

0.75

PRE

23B

PREVIEW

75DF

0.38

PRE

23C

DUAL

8EC

2.25

PRE

24A

IGNITE

1.67SC

0.50

PRE

24B

SCEPTER

1.5SC

0.125

PRE

24C

DUAL

8EC

2.25

PRE

25A

IGNITE

1.67SC

0.75

PRE

25B

SCEPTER

1.5SC

0.125

PRE

25C

DUAL

8EC

2.25

PRE

26A

PARAQUAT

1.5L

0.19

PRE

26B

X-77

%/V

0.25

PRE

26C

PURSUIT

2SC

0.063

PRE

27A

PARAQUAT

1.5L

0.25

PRE

27B

X-77

%/V

0.25

PRE

27C

PURSUIT

2SC

0.063

PRE

28A

PARAQUAT

1.5L

0.19

PRE

28B

X-77

%/V

0.25

PRE

28C

PREVIEW

75DF

0.38

PRE

28D

DUAL

8EC

2.25

PRE

29A

PARAQUAT

1.5L

0.25

PRE

29B

X-77

%/V

0.25

PRE

29C

PREVIEW

75DF

0.38

PRE

29D

DUAL

8EC

2.25

PRE

30A

PARAQUAT

1.5L

0.19

PRE

30B

X-77

%/V

0.25

PRE

30C

SCEPTER

1.5SC

0.125

PRE

30D

DUAL

8EC

2.25

PRE

GIFT GIFT CODA CODA HOWE HOWE BDLF
5/28 6/21 5/28 6/21 5/28 6/21 6/21

97 79 85 71 87 74 70

96 89 91 87 90 85 75
94 80 81 80 81 79 75

97 90 82 86 84 87 86

94 72 82 77 82 80 57
97 76 89 87 88 89 74
88 32 72 65 75 70 55

95 76 62 40 52 35 61
92 79 57 62 60 62 77

91 70 62 50 55 45 60

92 74 57 42 52 45 40

67

GIFT GIFT CODA CODA HOWE HOWE BDLF
5/28 6/21 5/28 6/21 5/28 6/21 6/21

31A

PARAQUAT

1.5L

0.25

PRE

87

74

70

50

79

40

57

31B

X-77

%/V

0.25

PRE

31C

SCEPTER

1.5SC

0.125

PRE

31D

DUAL

8EC

2.25

PRE

32

CHECK

0

0

0

0

0

0

0

CV

5

12

20

22

20

21

17

LSD

7

13

19

20

19

20

16

68

BACKGROUND

Trial Title : PPI WEED

Trial State

Trial Location

Trial Zipcode

Prime Investigator

CONTROL IN SOYBEANS
:IL

:AS-200(URBANA IL)
:61801
:C/L/W/M

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

:RCB
: 3

:10.0 40.0
: CONVENTIONAL
:FINE
:0

Soil Texture
Soil O.M.
Soil pH
Soil Name

:SILTY CLAY LOAM
:5.0
:6.0

: DRUMMER

Metero. Station:

Previous
CORN

crop

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture § Planting

SOYBEANS
HACK
05/11/88
MECHANICAL

1.5
10
30.0

65
ADEQUATE

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST

CODE

STAGE

DENSITY

GIFT

PPI

MED

VELE

PPI

MED

J I WE

PPI

HIGH

SMPW

PPI

MED

ILMG

PPI

HIGH

PEST HEIGHT (In)
min max

69

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:PPI

05/11/88

Nozzle Spacing (In)

20

07:00A

Boom Length (Ft)

: 10

30

Boom Height (In)

: 20

11002

Incorporation Equip

: COMBO TOOL

75

Elapsed Time to Inco

rp.

: 1 hrs

90

Incorp. Depth (In)

: 4.0

10

Percent Cloud Cover

: 0

WATER

Dew Presence (Y/N)

:Y

HANDHELD

Ground Speed (MPH)

: 3.0

20.0

Soil Temp (F) :

72

ADEQUATE

COMMENTS

Despite excellent control of giant foxtail, velvetleaf, and smooth pigweed by many treatments,
jimsonweed and morningglory escapes were prevalent.

i
i

!

70

i

SMPW GIFT JIWE VELE ILMG
6/17 6/17 6/17 6/17 6/17

1

COMMAND

2

COMMAND

3

SONALAN

4

TREFLAN

5

PROWL

6

COMMENCE

7A

SONALAN

7B

COMMAND

8

PREVIEW

9

SCEPTER

10

SCEPTER

11

PURSUIT

12A

SONALAN

12B

PREVIEW

13A

SONALAN

13B

SCEPTER

14A

SONALAN

14B

PURSUIT

15A

COMMENCE

15B

SCEPTER

16A

COMMENCE

16B

PREVIEW

17A

TREFLAN

17B

PREVIEW

18

SQUADRON

19

TRISCEPT

20

CHECK

4EC

0.50

PPI

4EC

0.75

PPI

3EC

0.75

PPI

4EC

0.75

PPI

4EC

0.75

PPI

5.25SC

1.31

PPI

3EC

0.75

PPI

4EC

0.50

PPI

75DF

0.38

PPI

1.5SC

0.063

PPI

1.5SC

0.125

PPI

2SC

0.063

PPI

3EC

0.75

PPI

75DF

0.38

PPI

3EC

0.75

PPI

1.5SC

0.063

PPI

3EC

0.75

PPI

2SC

0.063

PPI

5.25SC

1.31

PPI

1.5SC

0.063

PPI

5.25SC

1.31

PPI

75DF

0.38

PPI

4EC

0.75

PPI

75DF

0.38

PPI

2.33EC

0.874

PPI

3.03EC

0.88

PPI

78

93

85

99

67

80

93

87

99

53

99

93

55

70

75

90

95

62

78

70

95

82

50

65

57

99

96

85

96

72

99

97

77

86

72

99

60

77

99

65

96

82

68

85

77

99

88

65

78

65

96

95

87

98

82

99

99

62

98

80

99 95 65 91 73

99 99 83 99 90

99 93 73 96 72

99 96 78 98 78

99 93 78 99 80

99 90 70 93 77

99 96 68 75 72

ooooo

71

SMPW GIFT JIWE VELE ILMG
6/17 6/17 6/17 6/17 6/17

21

LASSO .

4EC

2.50

PPI

22

CANNON

3EC

2.25

PPI

23

CANNON

3EC

3.00

PPI

24A

CANNON

3EC

3.00

PPI

24B

COMMAND

4EC

0.50

PPI

25A

CANNON

3EC

3.00

PPI

25B

COMMAND

4EC

0.50

PPI

26A

CANNON

3EC

2.25

PPI

26B

PREVIEW

75DF

0.38

PPI

96 92 58 78 50

99 87 50 85 63

98 93 78 87 77

98 95 88 95 68

99 95 85 95 73

99 90 80 96 78

27

DUAL

8EC

2.50

PPI

99 90 73 77 50

28A

DUAL

8EC

2.50

PPI

28B

COMMAND

4EC

0.50

PPI

29A

DUAL

8EC

2.50

PPI

29B

PREVIEW

75DF

0.38

PPI

30A

LASSO

4MT

3.00

PPI

30B

COMMAND

4EC

0.50

PPI

99 95 65 99 58

98 93 67 86 72

99 95 78 93 57

31

CHECK

0

0

0

32

PURSUIT

2SC

0.094

PPI

99

91

80

96

85

33A

PURSUIT

2SC

0.063

PPI

99

95

70

88

77

33B

LASSO

4MT

2.00

PPI

34A

DUAL

8EC

2.50

PPI

99

87

64

90

50

34B

SENCOR

75DF

0.50

PPI

CV

3

6

20

11

16

LSD

5

9

22

15

17

72

BACKGROUND

Trial Title : PPI WEED

Trial State

Trial Location

Trial Zipcode

Prime Investigator

CONTROL IN SOYBEANS II
:IL

:AS-2 00(URBANA IL)
: 61801

:C/L/W/M

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

:RCB

: 3

:10.0 X 40.0

: CONVENTIONAL

:FINE

:0

Soil Texture
Soil O.M. %
Soil pH
Soil Name

:SILTY CLAY LOAM
:5.0

:6.0

: DRUMMER

Metero. Station:

previous crop
CORN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

SOYBEANS
HACK
05/11/88
MECHANICAL

1.5
10
30.0

65
ADQ

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

PEST

CODE

STAGE

DENSITY

JIWE

POST

2

LF

MED

SOYS

POST

3

TRIF

ILMG

POST

3

LF

HIGH

SMPW

POST

4

LF

MED

VELE

POST

4

LF

MED

PEST

HEIGHT

(In)

min

max

2.0

4.0

2.0

4.0

1.0

3.0

4.0

8.0

2.0

4.0

73

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App,

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

:PPI

05/11/88

08:00A

30
11002

75
90

0.0
WATER
HANDHELD
20.0
ADEQUATE

:PRE

05/12/88

08:00A

30
11002

75
50

5.0
WATER
HANDHELD
20.0
ADEQUATE

:P0ST

06/06/88

1:00P

40
8002

90
25

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

20
10
20
COMBO

1

4
0

N
3

70

0

0

20
10
20

N

3.0
70

20
10
20

0

N

3.0

hrs

hrs

hrs

COMMENTS

Several combinations provided excellent control of the weeds present with the exception of ivylea
morningglory.

j

74

SMPW GIFT JIWE VELE ILMG
6/20 6/20 6/20 6/20 6/20

SCEPTER

SCEPTER

3

COMMAND

4

COMMAND

5

PREVIEW

6

PREVIEW

7

PURSUIT

8

PURSUIT

9A

DUAL

9B

SENCOR

10A

DUAL

10B

SENCOR

11A

PREVIEW

11B

LASSO

12A

PREVIEW

12B

COMMAND

13A PREVIEW

13B COMMAND

14A PREVIEW

14B COMMAND

15A PREVIEW

15B COMMAND

16A PREVIEW

16B TREFLAN

17A PURSUIT

17B PROWL

18A SCEPTER

18B PROWL

1.5AS

0.094

PPI

1.5AS

0.094

PRE

4EC

0.50

PPI

4EC

0.50

PRE

75DF

0.38

PPI

75DF

0.38

PRE

2SC

0.063

PPI

2SC

0.063

PRE

8EC

2.00

PPI

75DF

0.38

PPI

8EC

2.00

PRE

75DF

0.38

PRE

75DF

0.38

PRE

4EC

2.50

PRE

75DF

0.38

PRE

4EC

0.50

PRE

75DF

0.38

PRE

4EC

1.00

PRE

75DF

0.38

PPI

4EC

0.50

PPI

75DF

0.38

PPI

4EC

0.75

PPI

75DF

0.38

PPI

4EC

0.75

PPI

2SC

0.063

PPI

4EC

0.75

PPI

1.5EC

0.125

PPI

4EC

0.75

PPI

99 73 78 86 57

99 73 77 66 50

58 92 88 99 42

66 87 73 91 50

99 80 87 99

90 85 72 75

91 87 93 93

62

83 50 63 75 63

99 90 83 99 67

58

99 98 99 96 50

93 80 85 83 42

50

99 95 93 96 50

99 93 90 98 50

98 99 98 98 70

99 98 99 99 50

99 93 88 92 67

99 96 86 86 85

99 96 78 87 77

19

CHECK

0

0

0

75

SMPW GIFT JIWE VELE ILMG
6/20 6/20 6/20 6/20 6/20

20

SENCOR

75DF

0.50

PPI

91

58

76

98

42

21A

SALUTE

4FL

1.13

PPI

94

88

78

91

62

22A

SALUTE

4FL

1.13

PPI

99

98

93

99

70

22B

COMMAND

4EC

0.50

PPI

23A

SENCOR

75DF

0.40

PPI

91

95

93

96

58

23B

COMMAND

4EC

0.50

PPI

24A

SENCOR

75DF

0.50

PRE

99

95

88

93

50

24B

LASSO

4EC

2.50

PRE

25A

SALUTE

4FL

1.50

PRE

99

87

99

99

70

25B

BLAZER

2EC

0.50

POST

25C

2.4-DB

3.8L

0.06

POST

25D

X-77

%/V

0.25

POST

26A

SALUTE

4FL

1.50

PRE

99

91

99

96

58

26B

SCEPTER

1.5EC

0.125

POST

26C

COC

4L

1.0Q

POST

27

CHECK

0

0

0

0

0

28

COMMENCE

5.25EC

1.31

PPI

93

98

82

99

78

CV

11

10

14

9

21

LSD

16

14

18

13

19

76

BACKGROUND

Trial Title :USOYINJ

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Ground cover & %
Seedbed Description

: URBAN A

:61801

: STEVENS/LIEBL/WAX

: LATIN SQ

:8

:10 X 40

: CONVENTIONAL

:0

:FINE

Soil

Soil

Soil

Soil

Fert. Level :

Metero. Station:

Texture

:SILT LOA

O.M. %

:4.0

PH

: 6.0

Name

: FLANAGAN

Previous Crop
CORN

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (seed/ foot)
Row Spacing (in)
Soil Temp (F) @ Plant
Soil Moisture § Planting

Previous Pesticide
VARIOUS

SOYBEAN

WILLAMS 82

5/17/88

MECHANICAL

1.5"

10

30"

70

adq

Year
1987

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

PPI

5/17/88

06:30

42

8003

45 F

50%

10 S

WATER

HAND HELD

25

DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :75

2 0"

10 FT

19"

COMBO

1 hr.

4

40%

NO

3

COMMENTS
%EMG = soybeans emerged 10 days after treatment (% of control), SR = stand reduction, GR =
growth reduction.

77

%EMG

SR

GR

6/17

6/17

6/17

==== =

= = = = = == = = = =

========

— = =: := = = =

======

=======

= = = =

= = = :

1

CHECK

100

0

0

2A

LASSO MT

4ME

2.00

PPI

92

0

1

2B

PREVIEW

75DF

0.38

PPI

3A

LASSO MT

4ME

2.00

PPI

95

0

1

3B

SCEPTER

1.5AS

0.125

PPI

4A

MON-9838

3EC

2.25

PPI

92

0

0

4B

PREVIEW

75DF

0.38

PPI

5A

MON-9838

3EC

2.25

PPI

95

0

0

5B

SCEPTER

1.5AS

0.125

PPI

6

SQUADRON

2.33EC

0.87

PPI

92

1

3

7A

TREFLAN

4EC

0.75

PPI

91

0

0

7B

SCEPTER

1.5AS

0.125

PPI

8

SCEPTER

1.5AS

0.125

PPI

94

0

CV

LSD

6
6

4

1

8
2

78

BACKGROUND

Trial Title rURBANA ]
Trial State

PRE 1
:IL

WEED CONTROL

IN SOYBEANS I

Trial Location
Trial Zipcode
Prime Investigator

:M-17 E (URBANA,

:61801

:C/L/W/M

IL)

SITE

Experimental Design :
Number of Replicates :
Plot Wd X Lth (Ft) :
Tillage Type :
Seedbed Description :
Ground cover & % :

:RCB

: 3

: 7.5 40.0

CONVENTIONAL

FINE
0

Soil Texture :SILTY CLAY
Soil O.M. % : 6.0
Soil pH : 6.4
Soil Name : DRUMMER
Metero. Station:

previous crop
CORN

previous pesticide year

1987

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (seeds/fc
Row Spacing (in)
Soil Temp (F) @ Plant
Soil Moisture @ Planti

>ot) :
.ng :

: SOYBEANS

:HACK

: 05/11/88

[MECHANICAL

: 1.5

: 10

30.0
70

DRY

LOAM

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

PRE

05/12/88

07:00A

30
11002

70
80

15.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

N

20

7.5

20

0
0.0
0
f
3.0

hrs

79

GIFT
6/11

VELE
6/11

1

BAS-514

50WP

0.25

PRE

7

0

2

BAS-514

50WP

0.50

PRE

13

0

3

SB-53482

50WP

10G

PRE

10

10

4

SB-53482

50WP

20G

PRE

27

13

5

SB-53482

50WP

30G

PRE

23

10

6A

SB-53482

50WP

10G

PRE

47

0

6B

DUAL

8EC

2.25

PRE

7A

SB-53482

50WP

20G

PRE

53

7

7B

DUAL

8EC

2.25

PRE

8A

SB-53482

50WP

30G

PRE

73

10

8B

DUAL

8EC

2.25

PRE

9

SB-53482

50WP

20G

PRE

33

17

10

SENCOR

75DF

0.40

PRE

0

17

11A

SENCOR

75DF

0.40

PRE

62

0

11B

LASSO

4EC

2.75

PRE

12

SCEPTER

1.5SC

0.094

PRE

10

10

13

SCEPTER

1.5SC

0.125

PRE

10

0

14

PURSUIT

2SC

0.063

PRE

10

10

15

PREVIEW

75DF

0.38

PRE

7

7

16

LASSO

4EC

3.0

PRE

67

0

17

COMMAND

4EC

1.0

PRE

78

0

18

CHLORIMURON

25DF

0.036

PRE

13

27

19

AMIBEN

75DF

3.00

PRE

13

30

20

CHECK

0

0

21

SENCOR

75DF

0.5

PRE

20

0

22A

DUAL

8E

2.25

PRE

57

0

22B

SENCOR

75DF

0.5

PRE

80

-

GIFT
6/11

VELE
6/11

ssssss

==========

========

~ ZZ ZZ ZZ ZZ ZZ ZZ Z

=======

: zz zz zz zz zz ~

= = = =

23A

PURSUIT

2SC

0.063

PRE

23

7

23B

LASSO

4EC

2.0

PRE

24A

SCEPTER

1.5SC

0.063

PRE

27

17

24B

LASSO

4EC

2.0

PRE

25A

SCEPTER .

1.5SC

0.094

PRE

23

0

25B

LASSO

4EC

2.0

PRE

26A

PREVIEW

75DF

0.38

PRE

50

20

26B

LASSO

4EC

2.75

PRE

27A

PREVIEW

75DF

0.38

PRE

38

0

27B

DUAL

8E

2.25

PRE

28 PROWL 4EC 1.25 PRE 40 10

CV

LSD

50 25

25 19

81

BACKGROUND

Trial Title rURBANA PRE WEED CONTROL IN SOYBEANS

Trial State

:IL

Trial Location

:M-:

L7 E (URBANA, IL)

Trial Zipcode

:61801

Prime Investigator

:C/L/W/M

SITE

Experimental Design :

:RCB

Soil Texture :SILTY CLAY

Number of Replicates :

: 3

Soil O.M. % : 6.0

Plot Wd X Lth (Ft) :

: l.l

5 35.0 Soil pH : 6.4

Tillage Type :

: CONVENTIONAL Soil Name : DRUMMER

Seedbed Description ;

:FINE Metero. Station:

Ground cover & % :

: 0

previous crop

previous pesticide year

CORN

1987

CROP

Trial Crop

: SOYBEANS

Crop Variety

:HACK

Planting Date

: 05/11/88

Planting Method

[MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate (seeds/fc

)Ot)

: 10

Row Spacing (in)

:30.0

Soil Temp (F) § Plant

: 70

Soil Moisture § Plant]

mg

: ADEQUATE

LOAM

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:PRE

05/12/88

08:00A

30
11002

70
80

15.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

20

7.5
20

hrs

N

3.0

82

BAS 514

SCEPTER

3

SCEPTER

4

PURSUIT

5

PREVIEW

6

PREVIEW

7

SENCOR

8

COMMAND

9

COMMAND

10

CHECK

11A

BAS 514

11B

DUAL

12A

SCEPTER

12B

DUAL

13A

SCEPTER

13B

DUAL

14A

PUSUIT

14B

DUAL

15A

PREVIEW

15B

DUAL

16A

SENCOR

16B

DUAL

17A

COMMAND

17B

PURSUIT

18A

COMMAND

18B

SCEPTER

19A

COMMAND

19B

SCEPTER

50WP

0.5

PRE

1.5AS

0.094

PRE

1.5AS

0.125

PRE

2.0AS

0.063

PRE

75DF

0.30

PRE

75DF

0.40

PRE

75DF

0.50

PRE

4EC

0.75

PRE

4EC

1.0

PRE

50WP
8E

1.5AS
8E

1.5AS
8E

2.0AS
8E

75DF
8E

75DF
8E

4E
2AS

4E
1.5AS

4E
1.5AS

0.5
2.25

0.094
2.25

0.125
2.25

0.063
2.25

0.30
2.25

0.50
2.25

0.75
0.063

0.75
0.094

0.75
0.125

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

PRE
PRE

GIFT
6/13

37

10

65

60

32

42

43

81

84

0

61

81

85

84

82

86

ILMG
6/13

7

15

35

17

13

10

38

30

22

0

13

27 3

52 28

82 30

13

32

33

28

33

83

GIFT

ILMG

6/13

6/13

= = =

===========

= SE — = SS = S

= =: =: = =: m zzr

= = =z= r= = = =

=======

= = ==== :

20A

COMMAND

4E

0.75

PRE

88

32

20B

PREVIEW

75DF

0.30

PRE

21A

COMMAND

4E

0.75

PRE

85

35

21B

PREVIEW

75DF

0.4

PRE

22A

COMMAND

4E

0.75

PRE

90

42

22B

SENCOR

75DF

0.5

PRE

23

CHECK

0

0

24

PROWL

4EC

1.0

PRE

50

22

25A

PROWL

4EC

1.0

PRE

42

33

25B

SCEPTER

1.5AS

0.125

PRE

26A

PROWL

4EC

1.0

PRE

44

27

26B

PREVIEW

75DF

0.4

PRE

27

CHLORIMURON

25DF

0.036

PRE

33

33

28

AMIBEN

75DF

3.0

PRE

50

25

CV

32

59

LSD

30

22

84

BACKGROUND
Trial Title :1988
Trial Location
Trial Zipcode
Prime Investigator

SOYBEAN PREEMERGENCE III
:AS-200 URBANA IL.
:61801

: CANTWELL/LIEBL/WAX

(URBANA)

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Ground cover & %
Seedbed Description

:RCB Soil Texture
: 4 Soil O.M. %
:10.0 X 40.0 Soil pH
: CONVENTIONAL Soil Name :
: 0 Fert. Level :
:GOOD Metero. Station:

: SILT LO
: 4.0
6.0
• FLANAGAN

Previous Crop
CORN

Previous Pesticide Year

1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seed/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

SOYBEAN

HACK

05/26/88

MECHANICAL

1.5

10

30

75

DRY

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

PRE

05/26/88
5 PM
40
11002

70
20

5.0
WATER
HANDHELD
25

DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 80

20

10
20

hrs

0

N

85

SMPW GIFT
09/10 09/10

1

COMMAND

4EC

1.0

PRE

36

82

2

COMMAND

4EC

2.0

PRE

50

96

3

METRIBUZIN

75DF

0.5

PRE

85

22

4

METRIBUZIN

75DF

0.75

PRE

96

42

5

METRIBUZIN

75DF

1.0

PRE

88

24

6A

COMMAND

4EC

1.0

PRE

82

89

6B

METRIBUZIN

75DF

0.5

PRE

7A

COMMAND

4EC

1.0

PRE

82

81

7B

METRIBUZIN

75DF

0.75

PRE

8A

COMMAND

4EC

1.0

PRE

87

85

8B

METRIBUZIN

75DF

1.0

PRE

9A

COMMAND

4EC

2.0

PRE

81

98

9B

METRIBUZIN

75DF

0.5

PRE

10A

COMMAND

4EC

2.0

PRE

91

95

10B

METRIBUZIN

75DF

0.75

PRE

11A

COMMAND

4EC

2.0

PRE

95

99

11B

METRIBUZIN

75DF

1.0

PRE

12 CHECK 0 0

CV 12 10

LSD 13 10

86

BACKGROUND

Trial

Title .'URBAN A

Trial

State

Trial

Location

Trial

Zipcode

Prime

Investigator

SOYBEANS POSTEMERGENCE I
:IL

:C700 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description

:RCB

: 3

:10.0 40.0

: CONVENTIONAL

:FINE

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

4.0

6.0
FLANAGAN

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (seeds/ foot)
Row Spacing (in)
Soil Temp (F) @ Plant
Soil Moisture @ Planting

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5
10
30.0

65
DRY

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

CODE

STAGE

COLQ

POST

6

LF

GIFT

POST

5

LF

JIWE

POST

4

LF

POAM

POST

5

LF

VELE

POST

5

LF

PEST

PEST

HEIGHT

(In)

ENSITY

min

max

MED

2.0

5.0

HIGH

2.0

4.0

HIGH

2.0

4.0

HIGH

2.0

4.0

MED

2.0

5.0

87

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:POST

06/02/88

07:00

40
8002
90
70

10.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

20

7.5

20

50
N
3.0

hrs

COMMENTS
A dense stand of annual weeds were under drought conditions at the time of application. Crop
injury was greatest from treatments including Cobra. The best overall weed control was provided by
mixtures that included Reflex with either Poast or Fusilade.

88

C.I. C.I. GIFT GIFT POAM POAM
6/13 6/21 6/13 6/21 6/13 6/21

1A

POAST

1.5EC

0.15

IB

DASH

4L

1.0Q

1C

28%N

4L

4.0Q

2A

POAST

1.5EC

0.15

2B

CLASSIC

25DF

3.69G

2C

DASH

4L

1.0Q

2D

28%N

4L

4.0Q

3A

POAST

1.5EC

0.20

3B

CLASSIC

25DF

3.69G

3C

DASH

4L

1.0Q

3D

28%N

4L

4.0Q

4A

POAST

1.5EC

0.15

4B

CLASSIC

25DF

5.50G

4C

DASH

4L

1.0Q

4D

28%N

4L

4.0Q

5A

POAST

1.5EC

0.20

5B

CLASSIC

25DF

5.50G

5C

DASH

4L

1.0Q

5D

28%N

4L

4.0Q

6A

POAST

1.5EC

0.15

6B

REFLEX

2EC

0.25

6C

DASH

4L

1.0Q

6D

28%N

4L

4.0Q

7A

POAST

1.5EC

0.20

7B

REFLEX

2EC

0.25

7C

DASH

4L

1.0Q

7D

28%N

4L

4.0Q

8A

POAST

1.5EC

0.15

8B

BASAGRAN

4S

0.75

8C

DASH

4L

1.0Q

8D

28%N

4L

4.0Q

9A

POAST

1.5EC

0.20

9B

BASAGRAN

4S

0.75

9B

DASH

4L

1.0Q

9D

28%N

4L

4.0Q

0

0

68 75 0

0

10 17 75 83 82 88

8

70 73 83 82

13 10 75 79 82 84

15 5

77 80 82 82

30 20 97 97 97 96

27 20 99 99 99 97

10 7

75 79 50 52

13 10 82 85 53 57

89

bJ

C.I. C.I. GIFT GIFT POAM POAM
6/13 6/21 6/13 6/21 6/13 6/21

10A

POAST.

1.5EC

0.15

10B

COBRA

2EC

0.20

IOC

DASH

4L

l.OQ

10D

28%N

4L

4.0Q

11A

POAST

1.5EC

0.20

11B

COBRA

2EC

0.20

11C

DASH

4L

l.OQ

11D

28%N

4L

4.0Q

12A

POAST

1.5EC

0.15

12B

PURSUIT

2SC

0.063

12C

DASH

4L

l.OQ

12D

28%N

4L

4.0Q

13A

FUSILADE

1EC

0.15

13B

DASH

4L

l.OQ

13C

28%N

4L

4.0Q

14A

FUSILADE

1EC

0.15

14B

CLASSIC

25DF

3.69G

14C

DASH

4L

l.OQ

14D

28%N

4L

4.0Q

15A

FUSILADE

1EC

0.20

15B

CLASSIC

25DF

3.69G

15C

DASH

4L

l.OQ

15D

28%N

4L

4.0Q

16A

FUSILADE

1EC

0.15

16B

CLASSIC

25DF

5.5G

16C

DASH

4L

l.OQ

16D

28%N

4L

4.0Q

17A

FUSILADE

1EC

0.20

17B

CLASSIC

25DF

5.5G

17C

DASH

4L

l.OQ

17D

28%N

4L

4.0Q

18A

FUSILADE

1EC

0.15

18B

REFLEX

2EC

0.25

18C

DASH

4L

l.OQ

18D

28%N

4L

4.0Q

40 33 98 97 99 98

1

33 30 96 96 96 96

17 82 75 93 93

0

0

52 53 0

0

10 7

75 72 91 88

72 70 88 85

10 5

55 55 87 87

13 7

68 70 88 87

27 18 91 91 96 95

90

C.I. C.I. GIFT GIFT POAM POAN1

6/13 6/21 6/13 6/21 6/13 6/21

19A
19B
19C
19D

FUSILADE
REFLEX
DASH
28%N

1EC
2EC
4L
4L

0.20
0.25
l.OQ
4.0Q

20A
20B
20C
20D

FUSILADE
BASAGRAN
DASH
28%N

1EC
4S
4L
4L

0.15
0.75
l.OQ
4.0Q

21A
21B
21C
21D

FUSILADE
BASAGRAN
DASH
28%N

1EC
4S
4L
4L

0.20
0.75
l.OQ
4.0Q

22A
22B
22C
22D

FUSILADE
COBRA
DASH
28%N

1EC
2EC
4L
4L

0.15
0.20
l.OQ
4.0Q

23A
23B
23C

23D

FUSILADE
COBRA
DASH
28%N

1EC
2EC
4L
4L

0.20
0.20
l.OQ
4.0Q

24A
24B
24C
24D

FUSILADE
PURSUIT
DASH
28%N

1EC
2SC
4L
4L

0.15
0.063
l.OQ
4.0Q

25A
25C
25D

FUSILADE

DASH

28%N

1EC

4L

4L

0.20
l.OQ
4.0Q

26A

26B
26C

COBRA

DASH

28%N

2EC
4L

4L

0.20
l.OQ
4.0Q

27A
27B
27C

PURSUIT

DASH

28%N

2SC
4L

4L

0.063

l.OQ

4.0Q

28A
28B

DASH
28%N

4L
4L

l.OQ
4.0Q

29

CHECK

CV

LSD

28 20 98 97 98 96

15 10 63 67 30 32

67 68 33 30

37 30 92 93 96 94

37 30 91 93 94 89

10 10 75 78 85 87

0 0 71 75 0 0

27 20 33 33 92 90

10 7 63 60 90 90

oooooo

oooooo

31 22 14 17 8

8 14 17 20 9

10

11

91

VELE VELE JIWE JIWE
6/13 6/21 6/13 6/21

1A

POAST

1.5EC

0.15

IB

DASH .

4L

l.OQ

1C

28%N

4L

4.0Q

2A

POAST

1.5EC

0.15

2B

CLASSIC

25DF

3.69G

2C

DASH

4L

l.OQ

2D

28%N

4L

4.0Q

3A

POAST

1.5EC

0.20

3B

CLASSIC

25DF

3.69G

3C

DASH

4L

l.OQ

3D

28%N

4L

4.0Q

4A

POAST

1.5EC

0.15

4B

CLASSIC

25DF

5.50G

4C

DASH

4L

l.OQ

4D

28%N

4L

4.0Q

5A

POAST

1.5EC

0.20

5B

CLASSIC

25DF

5.50G

5C

DASH

4L

l.OQ

5D

28%N

4L

4.0Q

6A

POAST

1.5EC

0.15

6B

REFLEX

2EC

0.25

6C

DASH

4L

l.OQ

6D

28%N

4L

4.0Q

7A

POAST

1.5EC

0.20

7B

REFLEX

2EC

0.25

7C

DASH

4L

l.OQ

7D

28%N

4L

4.0Q

8A

POAST

1.5EC

0.15

8B

BASAGRAN

4S

0.75

8C

DASH

4L

l.OQ

8D

28%N

4L

4.0Q

9A

POAST

1.5EC

0.20

9B

BASAGRAN

4S

0.75

9B

DASH

4L

l.OQ

9D

28%N

4L

4.0Q

10A

POAST

1.5EC

0.15

10B

COBRA

2EC

0.20

IOC

DASH

4L

l.OQ

10D

28%N

4L

4.0Q

0

0

0

0

92 92 80 88

85 85 75 77

90 90 87 87

90 90 82 80

95 95 96 96

97 96 98 94

90 90 90 90

90 90 93 94

88 93 98 90

92

VELE VELE JIWE JIWE
6/13 6/21 6/13 6/21

11A

POAST

1.5EC

0.20

11B

COBRA

2EC

0.20

11C

DASH

4L

1.0Q

11D

28%N

4L

4.0Q

12A

POAST

1.5EC

0.15

12B

PURSUIT

2SC

0.063

12C

DASH

4L

1.0Q

12D

28%N

4L

4.0Q

13A

FUSILADE

1EC

0.15

13B

DASH

4L

1.0Q

13C

28%N

4L

4.0Q

14A

FUSILADE

1EC

0.15

14B

CLASSIC

25DF

3.69G

14C

DASH

4L

1.0Q

14D

28%N

4L

4.0Q

15A

FUSILADE

1EC

0.20

15B

CLASSIC

25DF

3.69G

15C

DASH

4L

1.0Q

15D

28%N

4L

4.0Q

16A

FUSILADE

1EC

0.15

16B

CLASSIC

25DF

5.5G

16C

DASH

4L

1.0Q

16D

28%N

4L

4.0Q

17A

FUSILADE

1EC

0.20

17B

CLASSIC

25DF

5.5G

17C

DASH

4L

1.0Q

17D

28%N

4L

4.0Q

18A

FUSILADE

1EC

0.15

18B

REFLEX

2EC

0.25

18C

DASH

4L

1.0Q

18D

28%N

4L

4.0Q

19A

FUSILADE

1EC

0.20

19B

REFLEX

2EC

0.25

19C

DASH

4L

1.0Q

19D

28%N

4L

4.0Q

20A

FUSILADE

1EC

0.15

20B

BASAGRAN

4S

0.75

20C

DASH

4L

1.0Q

20D

28%N

4L

4.0Q

85 88 93 88

87 89 92 92

0

0

0

89 87 78 75

88 87 82 78

90 90 60 65

90 90 82 85

96 95 98 96

97 96 97 96

87 83 87 83

93

VELE VELE JIWE JIWE
6/13 6/21 6/13 6/21

1

21A

FUSILADE

1EC

0.20

21B

BASAGRAN

4S

0.75

21C

DASH

4L

1.0Q

21D

28%N

4L

4.0Q

22A

FUSILADE

1EC

0.15

22B

COBRA

2EC

0.20

22C

DASH

4L

1.0Q

22D

28%N

4L

4.0Q

23A

FUSILADE

1EC

0.20

23B

COBRA

2EC

0.20

23C

DASH

4L

1.0Q

23D

28%N

4L

4.0Q

24A

FUSILADE

1EC

0.15

24B

PURSUIT

2SC

0.063

24C

DASH

4L

1.0Q

24D

28%N

4L

4.0Q

25A

FUSILADE

1EC

0.20

25C

DASH

4L

1.0Q

25D

28%N

4L

4.0Q

26A

COBRA

2EC

0.20

26B

DASH

4L

1.0Q

26C

28%N

4L

4.0Q

27A

PURSUIT

2SC

0.063

27B

DASH

4L

1.0Q

27C

28%N

4L

4.0Q

28A

DASH

4L

1.0Q

28B

28%N

4L

4.0Q

80 77 87 63

87 85 95 93

82 80 93 92

I

87 88 73 80

0

87 83 87 88

87 87 83 85

0

29

CHECK

CV

LSD

6 7 7 13

7 8 8 15

I

94

l

i

BACKGROUND

Trial Title rURBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

SOYBEAN POSTEMERGENCE II
:IL

:N200 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

:RCB
: 3

:10.0 40.0
: CONVENTIONAL
:FINE
:0

Soil Texture
Soil O.M.

%

:SILTY CLAY
5.5

LOAM

Soil pH
Soil Name
Metero. Station

6.4

DRUMMER

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

previous pesticide

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5
10
30.0

75
DRY

year
1987

Pest

TRIAL

PEST

GIFT

GIFT

J I WE

JIWE

SMPW

SMPW

SOYBEA

ILMG

ILMG

VELE

VELE

APPLICATION
CODE

EPOS
LPOS
EPOS
LPOS
EPOS
LPOS
LPOS
EPOS
LPOS
EPOS
LPOS

PEST GROWTH
STAGE

4 LF

6 LF

2 LF

4 LF

2 LF
4 LF

3 TRIF

2 LF

3 LF
2 LF

4 LF

PEST
DENSITY

MED

MED

HIGH

HIGH

MED

MED

MED
HIGH
MED
HIGH

PEST

HEIGHT

min

max

2.0

4.0

4.0

6.0

2.0

4.0

2.0

4.0

2.0

4.0

2.0

4.0

0.0

0.0

2.0

4.0

1.0

3.0

1.0

2.0

2.0

4.0

(In)

95

Application Code

:EPOS

Date of Application

:5/31/88

Time of Application

:6:00P

Pressure (PSI)

: 40

Nozzle Type

:8002

Air Temp (F)

: 70

Relative Humidity

:50

Wind Speed (MPH)

: 3.0

Diluent Carrier

: WATER

Appli Equip Type

: HANDHELD

Spray Volume (GPA)

:20.0

Soil Moisture @ App.

:DRY

Application Code

:LPOS

Date of Application

: 06/03/88

Time of Application

:07:00A

Pressure (PSI) :

: 40

Nozzle Type :

:8002

Air Temp (F) :

: 70

Relative Humidity :

50

Wind Speed (MPH) :

10.0

Diluent Carrier :

WATER

Appli Equip Type :

HANDHELD

Spray Volume (GPA) :

20.0

Soil Moisture @ App. :

DRY

Nozzle Spacing (In) : 20
Boom Length (Ft) : 7.5
Boom Height (In) : 2 0
Incorporation Equip
Elapsed Time to Incorp,
Incorp. Depth (In)
Percent Cloud Cover : 0
Dew Presence (Y/N) :N
Ground Speed (MPH) : 3.0
Soil Temp (F) : 74

Nozzle Spacing (In) : 18

Boom Length (Ft) : 7.5

Boom Height (In) : 2 0
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)

Percent Cloud Cover : 0

Dew Presence (Y/N) :N

Ground Speed (MPH) :3

Soil Temp (F) :70

hrs

hrs.

96

C.I. C.I.
6/13/ 6/28

VELE VELE JIWE JIWE
6/13 6/28 6/13 6/28

1A

COBRA

IB

COC

2A

COBRA

2B

28%N

3A

COBRA

3B

X-77

4A

COBRA

4B

TACKLE

4C

X-77

5A

COBRA

5B

2.4-DB

5C

X-77

6A

COBRA

6B

CLASSIC

6C

X-77

7A

COBRA

7B

CLASSIC

7C

X-77

8A

COBRA

8B

PURSUIT

8C

X-77

9A

TACKLE

9B

X-77

10A

PURSUIT

10B

X-77

11A

CLASSIC

11B

X-77

12A

CLASSIC

12B

X-77

13A

2.4-DB

13B

X-77

14

15A
15B

CHECK

COBRA
COC

2EC
4L

2EC
4L

2EC
%/V

2EC
2EC
%/V

2EC
2EC
%/V

2EC

25DF

%/V

2EC

25DF

%/V

2EC
2SC

%/V

2EC

%/V

2SC

%/V

25DF

%/V

25DF
%/V

2EC
%/V

2EC
4L

0.2
0.5Q

0.2
4.0Q

0.2

0.25

0.15
0.25
0.25

0.15

0.031

0.25

0.15

2.72G

0.25

0.15

3.69G

0.25

0.15

0.063

0.25

0.5
0.25

0.063
0.25

3.69G
0.25

5.50G
0.25

0.031
0.25

EPOS
EPOS

EPOS
EPOS

EPOS
EPOS

EPOS
EPOS
EPOS

EPOS
EPOS
EPOS

EPOS
EPOS
EPOS

EPOS
EPOS
EPOS

EPOS
EPOS
EPOS

EPOS
EPOS

EPOS
EPOS

EPOS
EPOS

EPOS
EPOS

EPOS
EPOS

25 8

47

43

88

47

33 10 43 33 63 67

30 8

37 23 90 68

32 10 43 30 91 85

42 12 60 27 92 83

47 20 93 70 85 77

42 13 87 70 87 70

45 18 91 90 96 95

20 17 28 17 93 88

10 0 95 98 95 99

18 0 93 88 92 97

55 47 92 96 90 98

10 13 17 20 5

0

43

0

0.2
0.5Q

LPOS
LPOS

oooo

53 17 50 63 47 53

97

C.I. C.I. VELE VELE JIWE JIVVE
6/13 6/28 6/13 6/28 6/13 6/28,

16A

COBRA

16B

28%N

17A

COBRA

17B

X-77

18A

COBRA

18B

TACKLE

18C

X-77

19A

COBRA

19B

2.4-DB

19C

X-77

20A

COBRA

20B

CLASSIC

20C

X-77

21A

COBRA

21B

CLASSIC

21C

X-77

22A

COBRA

22B

PURSUIT

22C

X-77

23A

TACKLE

23B

X-77

24A

PURSUIT

24B

X-77

25A

CLASSIC

25B

X-77

26A

CLASSIC

26B

X-77

27A

2.4-DB

27B

X-77

28

CV
LSD

CHECK

2EC
4L

2EC

%/V

2EC
2EC

%/V

2EC
2EC

%/V

2EC
25DF

%/V

2EC
25DF

%/V

2EC
2SC

%/V

2EC

%/V

2SC

%/V

25DF
%/V

25DF
%/V

2EC

%/V

0.2
4.0Q

0.2
0.25

0.15
0.25
0.25

0.15

0.031

0.25

0.15

2.72G

0.25

0.15

3.69G

0.25

0.15

0.063

0.25

0.5

0.25

0.063
0.25

3.69G
0.25

5.50G
0.25

0.031
0.25

LPOS
LPOS

LPOS
LPOS

LPOS
LPOS
LPOS

LPOS
LPOS
LPOS

LPOS
LPOS
LPOS

LPOS
LPOS
LPOS

LPOS
LPOS
LPOS

LPOS
LPOS

LPOS
LPOS

LPOS
LPOS

LPOS
LPOS

LPOS
LPOS

52

63

35

33

0

18

43 0

38 8

63 8

0

47

0

50

92

0

83

48 15 50 57 93 67

40 13 52 53 95 78

87 47 90 70

80 92 88 82

92 93 96 87

48 12 95 98 88 96

20 20 85 52

25 10 73 75 83 79

85 88 87 67

93 93 92 70

12 18 27 37 20 43

0

30 100 17 30 10 22

17 18 16 27 12 25

98

-

ILMG
6/13

ILMG
6/28

— _ — __

======_===

— — — =1 I^T — — —

========

= = ^ = ■^z. := -zzi

= = = == = =

: = = = :

1A

COBRA

2EC

0.2

EPOS

27

20

IB

COC

4L

0.5Q

EPOS

2A

COBRA

2EC

0.2

EPOS

37

35

2B

28%N

4L

4.0Q

EPOS

3A

COBRA

2EC

0.2

EPOS

52

20

3B

X-77

%/V

0.25

EPOS

4A

COBRA

2EC

0.15

EPOS

43

30

4B

TACKLE

2EC

0.25

EPOS

4C

X-77

%/V

0.25

EPOS

5A

COBRA

2EC

0.15

EPOS

43

23

5B

2.4-DB

2EC

0.031

EPOS

5C

X-77

%/V

0.25

EPOS

6A

COBRA

2EC

0.15

EPOS

87

60

6B

CLASSIC

25DF

2.72G

EPOS

6C

X-77

%/V

0.25

EPOS

7A

COBRA

2EC

0.15

EPOS

80

60

7B

CLASSIC

25DF

3.69G

EPOS

7C

X-77

%/V

0.25

EPOS

8A

COBRA

2EC

0.15

EPOS

78

85

8B

PURSUIT

2SC

0.063

EPOS

8C

X-77

%/V

0.25

EPOS

9A

TACKLE

2EC

0.5

EPOS

33

13

9B

X-77

%/V

0.25

EPOS

10A

PURSUIT

2SC

0.063

EPOS

78

92

10B

X-77

%/V

0.25

EPOS

11A

CLASSIC

25DF

3.69G

EPOS

72

58

11B

X-77

%/V

0.25

EPOS

12A

CLASSIC

25DF

5.50G

EPOS

80

68

12B

X-77

%/V

0.25

EPOS

13A

2.4-DB

2EC

0.031

EPOS

20

17

13B

X-77

%/V

0.25

EPOS

14

CHECK

99

ILMG

ILMG

6/13

6/28

: = = =

=========

========

========

=======

======

: = = = :

15A

COBRA

2EC

0.2

LPOS

43

38

15B

coc .

4L

0.5Q

LPOS

16A

COBRA

2EC

0.2

LPOS

35

28

16B

28%N

4L

4.0Q

LPOS

17A

COBRA

2EC

0.2

LPOS

40

33

17B

X-77

%/V

0.25

LPOS

18A

COBRA

2EC

0.15

LPOS

48

15

18B

TACKLE

2EC

0.25

LPOS

18C

X-77

%/V

0.25

LPOS

19A

COBRA

2EC

0.15

LPOS

83

33

19B

2.4-DB

2EC

0.031

LPOS

19C

X-77

%/V

0.25

LPOS

20A

COBRA

2EC

0.15

LPOS

80

63

20B

CLASSIC

25DF

2.72G

LPOS

20C

X-77

%/V

0.25

LPOS

21A

COBRA

2EC

0.15

LPOS

87

40

21B

CLASSIC

25DF

3.69G

LPOS

21C

X-77

%/V

0.25

LPOS

22A

COBRA

2EC

0.15

LPOS

82

50

22B

PURSUIT

2SC

0.063

LPOS

22C

X-77

%/V

0.25

LPOS

23A

TACKLE

2EC

0.5

LPOS

37

33

23B

X-77

%/V

0.25

LPOS

24A

PURSUIT

2SC

0.063

LPOS

77

57

24B

X-77

%/V

0.25

LPOS

25A

CLASSIC

25DF

3.69G

LPOS

75

45

25B

X-77

%/V

0.25

LPOS

26A

CLASSIC

25DF

5.50G

LPOS

85

47

26B

X-77

%/V

0.25

LPOS

27A

2.4-DB

2EC

0.031

LPOS

33

50

27B

X-77

%/V

0.25

LPOS

28

CV

LSD

CHECK

19
17

50
33

100

l

l

I

i

BACKGROUND

Trial Title :URBANA
Trial State

SOYBEAN POSTEMERGENCE III
:IL

•

Trial Location
Trial Zipcode

:AS300 (URBANA, IL)
161801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

:RCB Soil Texture :SILTY CLAY
: 3 Soil O.M. % : 6.0
:10.0 32.0 Soil pH : 6.2
: CONVENTIONAL Soil Name : DRUMMER
:FINE Metero. Station:
: 0

previous crop
CORN

previous pesticide

year
1987

LOAM

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

SOYBEANS
HACK
05/03/88
MECHANICAL

1.5

10

30

70
DRY

Pest

TRIAL

PEST

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

COLQ

GIFT
J I WE
SMPW
VELE

POST
POST
POST
POST
POST

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

8
6

4

4

4
:POST
05/31/88
08:00A

40
8002

80
50

3.0
WATER
HANDHELD
20.0
DRY

LF
LF
LF
LF
LF

MEDIUM

HIGH

HIGH

MEDIUM

MEDIUM

4.0
4.0
4.0
4.0
2.0

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

6.0

6.0
8.0
8.0
4.0

20

7.5

20

0

N

3.0

hrs

101

COLQ JIWE VELE SMPW
6/16 6/16 6/16 6/16

1A

COBRA

2EC

0.20

POST

IB

COC

4L

0.5QT

POST

2A

COBRA

2EC

0.20

POST

2B

28%N

4L

4.0Q

POST

3A

COBRA

2EC

0.20

POST

3B

X-77

%/V

0.25

POST

4A

COBRA

2EC

0.15

POST

4B

BASAGRAN

4EC

0.50

POST

4C

28%N

4L

4.0Q

POST

5A

COBRA

2EC

0.15

POST

5B

CLASSIC

25DF

2.7G

POST

5C

X-77

%/V

0.25

POST

62 90 73 90

47 77 73 98

53 80 65 89

78 98 86 90

55 99 77 98

CHECK

POST

0

0

0

0

7A

COBRA

7B

SCEPTER

7C

X-77

8A

COBRA

8B

2.4-DB

8C

X-77

9A

COBRA

9B

SELECT

9C

X-77

10A

COBRA

10B

SELECT

10C

COC

CV

LSD

2EC

0.20

POST

1.5SC

0.05

POST

%/V

0.25

POST

2EC

0.15

POST

2EC

0.031

POST

%/V

0.25

POST

2EC

0.20

POST

2EC

0.125

POST

%/V

0.25

POST

2EC

0.20

POST

2EC

0.125

POST

4L

0.5Q

POST

47 99 55 98

55 98 70 98

30 81 40 98

33 91 67 84

31 11 26 6

25 15 26 9

102

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

SOYBEANS POSTEMERGENCE IV
:IL

:M17E (URBANA, IL)
:61801

: CANTWELL/LIEBL/WAX

RCB

3

7.5 35.0
CONVENTIONAL
FINE

0

Soil Texture
Soil O.M.
Soil pH
Soil Name

%

:SILTY CLAY
: 6.0
: 6.4

: DRUMMER

LOAM

Metero. Station:

previous crop
CORN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture § Planting

SOYBEANS
HACK
5/11/88
MECHANICAL

1.5

10
30.0

70
DRY

Pest

TRIAL

PEST

GIFT
SOYS

APPLICATION
CODE

POST
POST

PEST GROWTH
STAGE

6 LF

3 TRIF

PEST
DENSITY

HIGH

PEST

HEIGHT

min

max

4

6

4

6

(In)

103

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:POST

6/06/88

08:30A

40
8002

90
26

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

18

7.5

20

hrs

0

N

3.0

l

COMMENTS

The entire area was treated with Butyrac (4oz. product/ A) and Basagran (lpt./A) on May 24,
1988. Few, if any, differences were observed between COC and Dash.

i

104

l
I

I
l
I

!
I
I

1A

FUSILADE

IB

coc •

2A

FUSILADE

2B

COC

3A

ASSURE

3B

COC

4A

ASSURE

4B

COC

5A

OPTION

5B

COC

6A

OPTION

6B

COC

7A

SELECT

7B

COC

8A

SELECT

8B

COC

9A

POAST

9B

COC

10A

POAST

10B

COC

UA

FUSILADE

11B

DASH

12A

FUSILADE

12B

DASH

13A

ASSURE

13B

DASH

14A

ASSURE

14B

DASH

15A

OPTION

15B

DASH

16A

OPTION

16B

DASH

GIFT
6/13

GIFT
6/27

1EC

0.095

POST

57

40

4L

1QT

POST

1EC

0.19

POST

83

82

4L

1QT

POST

0.8EC

0.05

POST

92

98

4L

1QT

POST

0.8EC

0.1

POST

95

98

4L

1QT

POST

1EC

0.075

POST

92

90

4L

1QT

POST

1EC

0.15

POST

93

97

4L

1QT

POST

2EC

0.063

POST

93

93

4L

1QT

POST

2EC

0.125

POST

87

100

4L

1QT

POST

1.5EC

0.1

POST

85

93

4L

1QT

POST

1.5EC

0.2

POST

90

100

4L

1QT

POST

1EC

0.095

POST

82

57

4L

1QT

POST

1EC

0.19

POST

82

77

4L

1QT

POST

0.8EC

0.05

POST

92

93

4L

1QT

POST

0.8EC

0.05

POST

87

93

4L

1QT

POST

1EC

0.075

POST

87

95

4L

1QT

POST

1EC

0.15

POST

92

98

4L

1QT

POST

105

17A

SELECT

17B

DASH

18A

SELECT

18B

DASH

19A

POAST

19B

DASH

20A

POAST

20B

DASH

CV

LSD

GIFT

GIFT

6/13

6/27

2EC

0.063

POST

88

98

4L

1QT

POST

2EC

0.125

POST

92

98

4L

1QT

POST

1.5EC

0.1

POST

90

97

4L

1QT

POST

1.5EC

0.2

POST

90

98

4L

1QT

POST

13
19

7
11

1

1

106

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SOYBEANS POSTEMERGENCE V
:IL

:C700 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

RCB

3
10.0 40.0
CONVENTIONAL
FINE
0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

4.0

6.0
FLANAGAN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5
10
30.0

65
DRY

Pest

TRIAL

APPLICATION

PE

GROWTH

PEST

CODE

STAGE

SOYS

POST

3

TRIF

GIFT

POST

5

LF

J I WE

POST

4

LF

POAM

POST

5

LF

VELE

POST

5

LF

PEST

PEST

HEIGHT

(In)

ENSITY

min

max

6.0

8.0

HIGH

2.0

4.0

HIGH

2.0

4.0

HIGH

2.0

4.0

MED

2.0

5.0

107

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

06/02/88

07:00A

40
8002

90
50

10.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

20

7.5

20

50
N
3.0

hrs.

I

COMMENTS
Soybeans were growing under drought stress at the time of herbicide application. Several
treatments resulted in slight soybean injury; however, after 3 weeks the symptoms were undetectafr
Good but not excellent control of the broadleaf spectrum was achieved by many of the treatments
tested. POAM ratings on 6/13 are not included since these values are very similar to 6/21 ratings.

J

108

C.I. C.I. POAM VELE VELE JIWE JIWE
6/13/ 6/21 6/21 6/13 6/21 6/13 6/21

1A

DPXM631625DF

1.36G

POST

IB

28N

4L

4QT

POST

1C

X-77

%/V

0.25

POST

2A

DPXM631625DF

1.82G

POST

2B

28N

4L

4QT

POST

2C

X-77

%/V

0.25

POST

3A

CLASSIC

25DF

2.72G

POST

3B

28N

4L

4QT

POST

3C

X-77

%/V

0.25

POST

4A

CLASSIC

25DF

3.69G

POST

4B

28N

4L

4QT

POST

4C

X-77

%/V

0.25

POST

5A

DPXM631625DF

1.36G

POST

5B

CLASSIC

25DF

2.72G

POST

5C

28N

4L

4QT

POST

5D

X-77

%/V

0.25

POST

6A

DPXM631625DF

1.36G

POST

6B

CLASSIC

25DF

3.69G

POST

6C

28N

4L

4QT

POST

6D

X-77

%/V

0.25

POST

7A

DPXM631625DF

1.82G

POST

7B

CLASSIC

25DF

2.72G

POST

7C

28N

4L

4QT

POST

7D

X-77

%/V

0.25

POST

8A

DPXM631625DF

1.82G

POST

8B

CLASSIC

25DF

3.69G

POST

8C

28N

4L

4QT

POST

8D

X-77

%/V

0.25

POST

9A

TACKLE

2EC

0.25

POST

9B

X-77

%/V

0.25

POST

10A

TACKLE

2EC

0.25

POST

10B

28N

4L

4QT

POST

11A

TACKLE

2EC

0.5

POST

11B

X-77

%/V

0.25

POST

12A

TACKLE

2EC

0.5

POST

12B

28N

4L

4QT

POST

0

0

0

0

0

0

20 0

0

0

0

12 3

12 0

82 57 75 60 67

80 53 68 53 67

75 73 82 77 85

73 83 92 82 90

87 80 92 78 87

90 82 92 78 87

88 80 87 77 88

92 87 93 82 87

83 50 43 63 50

83 73 77 63 70

82 53 47 57 50

83 80 83 62 62

109

C.I.

C.I.

POAM

VELE

VELE

JIWE

JIWE

6/13

6/21

6/21

6/13

6/21

6/13

6/21

13A

GALAXY

3.67S

0.92

POST

0

0

73

67

11

77

83

13B

COC

4L

1.0QT

POST

14A

PURSUIT

2SC

0.063

POST

10

10

87

78

83

73

83

14B

28N

4L

4QT

POST

14C

X-77

%/V

0.25

POST

15

CHECK

0

0

0

0

0

0

0

CV

37

8

8

11

9

15

14

LSD

13

2

10

12

11

16

17

110

BACKGROUND

Trial Title rURBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

SOYBEAN POSTEMERGENCE VI
:IL

:C400 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

RCB
3

7.5 38.0
CONVENTIONAL
FINE
CORNSTALKS 2 0%

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

4.0

6.0
FLANAGAN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture § Planting

SOYBEANS
HACK
5/06/88
MECHANICAL

1.5

10

30.0

65
DRY

Pest

TRIAL APPLICATION

PEST CODE

CORN POST

GIFT POST

J I WE POST

SMPW POST

VELE POST

PEST GROWTH
STAGE

5 LF

6 LF
4 LF
4 LF
4 LF

PEST
DENSITY

PEST HEIGHT (In)
min max

HIGH

8.0

12.0

MED

4.0

6.0

HIGH

2.0

4.0

MED

2.0

4.0

HIGH

2.0

4.0

111

II

Application Code

:24HL

Date of Application

:06/03/88

Time of Application

:09:00A

Pressure (PSI)

: 40

Nozzle Type

:8002

Air Temp (F)

: 70

Relative Humidity

:50

Wind Speed (MPH)

:10.0

Diluent Carrier

: WATER

Appli Equip Type

[HANDHELD

Spray Volume (GPA) :

:20.0

Soil Moisture @ App.

:DRY

Application Code

:POST

Date of Application :

06/02/88

Time of Application :

07:00A

Pressure (PSI) :

: 40

Nozzle Type :

8002

Air Temp (F) :

90

Relative Humidity :

70

Wind Speed (MPH) :

5.0

Diluent Carrier :

WATER

Appli Equip Type :

HANDHELD

Spray Volume (GPA) j

20.0

Soil Moisture @ App. :

DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

18

7.5

18

I

hrs

0

N

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

3.0

I

18

7.5

20

hrs

25
N

3.0

75

COMMENTS
Soybean injury was excessive in plots receiving 24 hour later "split" applications. The increased
amount of surfactant in these treatments may be responsible for the greater injury.

112

-

C.I.

C.I.

6/10

6/21

4SC

0.75

POST

5

2

4L

IQT

POST

2EC

0.2

POST

18

8

%/V

0.25

POST

2EC

0.38

POST

17

3

%/V

0.25

POST

25DF

3.69G

POST

37

5

%/V

0.25

POST

2SC

0.063

POST

5

5

%/V

0.25

POST

4SC

0.75

POST

12

7

4L

IQT

POST

2EC

0.1

24HL

4L

IQT

24HL

2EC

0.2

POST

18

10

%/V

0.25

POST

2EC

0.1

24HL

4L

IQT

24HL

2EC

0.38

POST

13

5

%/V

0.25

POST

2EC

0.1

24HL

4L

IQT

24HL

25DF

3.69G

POST

25

13

%/V

0.25

POST

2EC

0.1

24HL

4L

IQT

24HL

2SC

0.063

POST

7

8

%/V

0.25

POST

2EC

0.1

24HL

4L

IQT

24HL

4SC

0.75

POST

28

8

4L

IQT

POST

1EC

0.12

24HL

4L

IQT

24HL

SMPW SMPW CORN CORN
6/10 6/21 6/10 6/21

1A

BASAGRAN

IB

COC

2A

COBRA

2B

X-77

3A

TACKLE

3B

X-77

4A

CLASSIC

4B

X-77

5A

PURSUIT

5B

X-77

6A

BASAGRAN

6B

COC

6C

SELECT

6D

COC

7A

COBRA

7B

X-77

7C

SELECT

7D

COC

8A

TACKLE

8B

X-77

8C

SELECT

8D

COC

9A

CLASSIC

9B

X-77

9C

SELECT

9D

COC

10A

PURSUIT

10B

X-77

10C

SELECT

10D

COC

11A

BASAGRAN

11B

COC

11C

OPTION

11D

COC

77

75

0

0

99 95 50 0

99 95 0 0

99 90 0 0

99 99 0 0

85 83 93 95

96 90 88 85

99 96 90 92

86 80 90 88

113

1

C.I.

C.I.

6/10

6/21

2EC

0.2

POST

22

10

%/V

0.25

POST

1EC

0.12

24HL

4L

IQT

24HL

2EC

0.38

POST

38

10

%/V

0.25

POST

1EC

0.12

24HL

4L

IQT

24HL

25DF

3.69G

POST

25

10

%/V

0.25

POST

1EC

0.12

24HL

4L

IQT

24HL

2SC

0.063

POST

8

7

%/V

0.25

POST

1EC

0.12

24HL

4L

IQT

24HL

2EC

0.1

24HL

3

0

4L

IQT

24HL

1EC

0.12

24HL

2

2

4L

IQT

24HL

\'

SMPW SMPW CORN COR*
6/10 6/21 6/10 6/21

12A

COBRA

12B

X-77

12C

OPTION

12D

COC

13A

TACKLE

13B

X-77

13C

OPTION

13D

COC

14A

CLASSIC

14B

X-77

14C

OPTION

14D

COC

15A

PURSUIT

15B

X-77

15C

OPTION

15D

COC

16A

SELECT

16B

COC

17A

OPTION

17B

COC

99 99

18

CV

LSD

CHECK

95

93

I

99 98 83 73

0

30

21

0

8
5

0

0

0

5
7

0

0

0

7
9

93

93

95

73

0

0 I

4

16

5

15 -

114

GIFT GIFT JIWE JIWE VELE VELE
6/10 6/21 6/10 6/21 6/10 6/21

1A

BASAGRAN

IB

COC

2A

COBRA

2B

X-77

3A

TACKLE

3B

X-77

4A

CLASSIC

4B

X-77

5A

PURSUIT

5B

X-77

6A

BASAGRAN

6B

COC

6C

SELECT

6D

COC

7A

COBRA

73

X-77

7C

SELECT

7D

COC

8A

TACKLE

8B

X-77

8C

SELECT

8D

COC

9A

CLASSIC

9B

X-77

9C

SELECT

9D

COC

10A

PURSUIT

10B

X-77

IOC

SELECT

10D

COC

11A

BASAGRAN

11B

COC

11C

OPTION

11D

COC

4SC

4L

2EC
%/V

2EC
%/V

25DF
%/V

2SC

%/V

4SC
4L

2EC
4L

2EC
%/V
2EC
4L

2EC
%/V
2EC
4L

25DF
%/V
2EC
4L

2SC

%/V

2EC

4L

4SC
4L

1EC
4L

0.75
1QT

0.2

0.25

0.38
0.25

3.69G
0.25

0.063
0.25

0.75
1QT
0.1
1QT

0.2

0.25
0.1

1QT

0.38
0.25
0.1
1QT

3.69G
0.25
0.1
1QT

0.063
0.25
0.1
1QT

0.75
1QT
0.12
1QT

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

24HL
24HL

POST
POST
24HL
24HL

POST
POST
24HL
24HL

POST
POST
24HL
24HL

POST
POST
24HL
24HL

POST
POST
24HL
24HL

0

0

0

0

0

0

0

99

99

93

87

86 68 82 72

90 75 77 58

32 95 78 93 93

57 25 88 60 90 87

90 96 99 95 91 93

92 95 91 68 83 72

90 99 80 67 75 67

90 92 96 73 93 87

87 90 90 85 90 85

90 95 99 96 93 78

115

I

GIFT

GIFT

JIWE

JIWE

VELE

VELE

6/10

6/21

6/10

6/21

6/10

6/21,

= = = = =

========

=========

=======

======

=======

= = = = =

= = = =

= = = =

= = = = =

___

12A

COBRA

2EC

0.2

POST

92

87

90

83

85

78 '

12B

X-77

%/V

0.25

POST

12C

OPTION

1EC

0.12

24HL

]

12D

COC

4L

1QT

24HL

1

13A

TACKLE

2EC

0.38

POST

90

87

85

80

80

75

13B

X-77

%/V

0.25

POST

13C

OPTION

1EC

0.12

24HL

13D

COC

4L

1QT

24HL

14A

CLASSIC

25DF

3.69G

POST

90

80

99

93

96

92

14B

X-77

%/V

0.25

POST

14C

OPTION

1EC

0.12

24HL

14D

COC

4L

1QT

24HL

15A

PURSUIT

2SC

0.063

POST

80

78

87

78

90

87

15B

X-77

%/V

0.25

POST

15C

OPTION

1EC

0.12

24HL

15D

COC

4L

1QT

24HL

\

16A

SELECT

2EC

0.1

24HL

93

96

0

0

0

0 1

16B

COC

4L

1QT

24HL

17A

OPTION

1EC

0.12

24HL

95

95

0

0

0

o 1

17B

COC

4L

1QT

24HL

18

CHECK

0

0

0

0

0

0 1

CV

19

27

7

19

6

15

LSD

20

28

8

20

7

17 1

I

I

I

I

i

l
I

116

I
i

BACKGROUND

-

Trial Title :URBANA

SOYBEANS POSTEMERGENCE VII

Trial State

:IL

Trial Location

:C700 (URBANA, IL)

Trial Zipcode

:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB Soil

Texture :

:SILT LOA

Number of Replicates

: 3 Soil

O.M. %

. 4.0

Plot Wd X Lth (Ft)

:10.0 40.0 Soil

PH

: 6.0

Tillage Type

: CONVENTIONAL Soil

Name

: FLANAGAN

Sedbed Description

:FINE Metero. Station:

Ground cover & %

:0

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5

10
30.0

65
DRY

Pest

TRIAL

PEST

GIFT
JIWE
POAM
VELE

APPLICATION
CODE

POST
POST
POST
POST

PEST GROWTH

STAGE

5
4
5

5

LF
LF
LF
LF

PEST

PEST

HEIGHT

(In)

DENSITY

min

max

HIGH

2.0

4.0

HIGH

2.0

4.0

HIGH

2.0

4.0

MED

2.0

5.0

117

Il

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

06/02/88

07:00A

40
8002

90

70
10.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

20

7.5

20

hrs.

50
N
3.0

I

COMMENTS

Dash helped improve GIFT and POAM control better than COC or 28% plus X-77. Lower values at t]
second rating on 6/24 indicate that the weeds were growing out of the initial injury symptoms.

118

i
«

I

I
I

I

i

i

i

GIFT GIFT VELE VELE POAM POAM
6/09 6/24 6/09 6/24 6/09 6/24

1A
IB

TORNADO
COC

1.75EC
4L

0.35
0.5QT

POST
POST

2A

2B

TORNADO
DASH

1.75EC
4L

0.35

1QT

POST
POST

3A
3B
3C

TORNADO
28N

X-77

1.75EC
4L

%/V

0.35
4QT
0.25

POST
POST
POST

4A
4B
4C

SELECT
COBRA
COC

2EC
2EC
4L

0.1

0.15

0.5QT

POST
POST
POST

5A
5B
5C

SELECT
COBRA
DASH

2EC
2EC
4L

0.1

0.15

1QT

POST
POST
POST

6A
6B
6C
6D

SELECT
COBRA
28N
X-77

2EC
2EC
4L

%/V

0.1
0.15
4QT
0.25

POST
POST
POST
POST

7A
7B
7C

POAST

BLAZER

COC

1.5EC

2EC

4L

0.15
0.25
0.5QT

POST
POST
POST

8A
8B
8C

POAST

BLAZER

DASH

1.5EC

2EC

4L

0.15
0.25
1QT

POST
POST
POST

9A
9B
9C
9D

POAST
BLAZER
28N
X-77

1.5EC
2EC
4L
%/V

0.15
0.25
4QT
0.25

POST
POST
POST
POST

10

CHECK

11A

TORNADO

11B

BASAGRAN

11C

COC

12A

TORNADO

12B

BASAGRAN

12C

DASH

1.75EC

4SC

4L

1.75EC
4SC

4L

0.35
0.75
0.5QT

0.35
0.75
1QT

POST
POST
POST

POST
POST
POST

55 43 33 45 65 57

82 45 65 38 80 72

75 27 48 32 62 52

75 87 45 37 77 60

85 94 33 37 79 73

80 93 42 55 83 75

65 79 22 16 57 72

82 82 69 71 85 88

58 20 52 50 77 82

0

0

0

55 52 32 31 48 48

63 49 40 60 77 76

119

GIFT

GIFT

VELE

VELE

POAM

POAM

.

6/09

6/24

6/09

6/24

6/09

6/24i

13A

TORNADO

1.75EC

0.35

POST

7

28

73

68

60

1

51

13B

BASAGRAN

4SC

0.75

POST

|

13C

28N

4L

4QT

POST

1

13D

X-77

%/V

0.25

POST

m

14A

SELECT

2EC

0.1

POST

77

88

34

73

60

88

14B

COBRA

2EC

0.15

POST

1

14C

BASAGRAN

4SC

0.75

POST

|

14D

COC

4L

0.5QT

POST

1

15A

SELECT

2EC

0.1

POST

82

90

70

82

85

90

15B

COBRA

2EC

0.15

POST

I

15C

BASAGRAN

4SC

0.75

POST

1

15D

DASH

4L

1QT

POST

16A

SELECT

2EC

0.1

POST

43

20

75

80

83

84

16B

COBRA

2EC

0.15

POST

1

16C

BASAGRAN

4SC

0.75

POST

16D

28N

4L

4QT

POST

1

16E

X-77

%/V

0.25

POST

1

17A

POAST

1.5EC

0.15

POST

11

8

3

0

7

0 1

17B

BLAZER

2EC

0.25

POST

1

17C

BASAGRAN

4SC

0.75

POST

17D

COC

4L

0.5QT

POST

1

18A

POAST

1.5EC

0.15

POST

73

85

60

58

72

84 '

18B

BLAZER

2EC

0.25

POST

18C

BASAGRAN

4SC

0.75

POST

1

18D

DASH

4L

1QT

POST

1

19A

POAST

1.5EC

0.15

POST

11

17

38

68

78

74 |

19B

BLAZER

2EC

0.25

POST

19C

BASAGRAN

4SC

0.75

POST

i

19D

28N

4L

4QT

POST

■

19E

X-77

%/V

0.25

POST

1

20A

FUSILADE

1EC

0.15

POST

52

68

0

0

0

0

20B

COC

4L

0.5QT

POST

I

21A

FUSILADE

1EC

0.15

POST

55

52

0

0

1

1

0

21B

DASH

4L

1QT

POST

1

22A

SELECT

2EC

0.1

POST

53

91

1

0

1

o 1

22B

COC

4L

0.5QT

POST

120

23A

SELECT

2EC

0.1

POST

23B

DASH

4L

1QT

POST

24A

POAST

1.5EC

0.15

POST

24B

coc

4L

0.5QT

POST

25A

POAST

1.5EC

0.15

POST

25B

DASH

4L

1QT

POST

CV

LSD

GIFT GIFT VELE VELE POAM POAM
6/09 6/24 6/09 6/24 6/09 6/24

55 84 0 0 0 0

60 82 0 0 0 0

47 88 0 0 0 0

22 19 35 28 24 19

20 18 19 17 19 15

121

C.I.

C.I.

•

6/09

6/24

= = =

==========

=========

========

=======

= = = = = = =

== = = =

1A

TORNADO

1.75EC

0.35

POST

10

1

IB

COC

4L

0.5QT

POST

2A

TORNADO

1.75EC

0.35

POST

12

2

2B

DASH

4L

IQT

POST

3A

TORNADO

1.75EC

0.35

POST

13

1

3B

28N

4L

4QT

POST

3C

X-77

%/V

0.25

POST

4A

SELECT

2EC

0.1

POST

20

2

4B

COBRA

2EC

0.15

POST

4C

COC

4L

0.5QT

POST

5A

SELECT

2EC

0.1

POST

20

3

5B

COBRA

2EC

0.15

POST

5C

DASH

4L

IQT

POST

6A

SELECT

2EC

0.1

POST

23

4

6B

COBRA

2EC

0.15

POST

6C

28N

4L

4QT

POST

6D

X-77

%/V

0.25

POST

7A

POAST

1.5EC

0.15

POST

12

3

7B

BLAZER

2EC

0.25

POST

7C

COC

4L

0.5QT

POST

8A

POAST

1.5EC

0.15

POST

23

3

8B

BLAZER

2EC

0.25

POST

8C

DASH

4L

IQT

POST

9A

POAST

1.5EC

0.15

POST

17

4

9B

BLAZER

2EC

0.25

POST

9C

28N

4L

4QT

POST

9D

X-77

%/V

0.25

POST

10

CHECK

0

0

11A

TORNADO

1.75EC

0.35

POST

10

1

11B

BASAGRAN

4SC

0.75

POST

11C

COC

4L

0.5QT

POST

12A

TORNADO

1.75EC

0.35

POST

15

3

12B

BASAGRAN

4SC

0.75

POST

12C

DASH

4L

IQT

POST

122

-

C.I.
6/09

C.I.
6/24

= = =

==========

========

========

=======

= = = = = ;

= = = =

13A

TORNADO

1.75EC

0.35

POST

15

2

13B

BASAGRAN

4SC

0.75

POST

13C

28N

4L

4QT

POST

13D

X-77

%/V

0.25

POST

14A

SELECT

2EC

0.1

POST

13

5

14B

COBRA

2EC

0.15

POST

14C

BASAGRAN

4SC

0.75

POST

14D

COC

4L

0.5QT

POST

15A

SELECT

2EC

0.1

POST

22

5

15B

COBRA

2EC

0.15

POST

15C

BASAGRAN

4SC

0.75

POST

15D

DASH

4L

IQT

POST

16A

SELECT

2EC

0.1

POST

15

4

16B

COBRA

2EC

0.15

POST

16C

BASAGRAN

4SC

0.75

POST

16D

28N

4L

4QT

POST

16E

X-77

%/V

0.25

POST

17A

POAST

1.5EC

0.15

POST

3

0

17B

BLAZER

2EC

0.25

POST

17C

BASAGRAN

4SC

0.75

POST

17D

COC

4L

0.5QT

POST

18A

POAST

1.5EC

0.15

POST

20

2

18B

BLAZER

2EC

0.25

POST

18C

BASAGRAN

4SC

0.75

POST

18D

DASH

4L

IQT

POST

19A

POAST

1.5EC

0.15

POST

13

3

19B

BLAZER

2EC

0.25

POST

19C

BASAGRAN

4SC

0.75

POST

19D

28N

4L

4QT

POST

19E

X-77

%/V

0.25

POST

20A

FUSILADE

1EC

0.15

POST

0

0

20B

COC

4L

0.5QT

POST

21A

FUSILADE

1EC

0.15

POST

1

0

21B

DASH

4L

IQT

POST

22A

SELECT

2EC

0.1

POST

0

0

22B

COC

4L

0.5QT

POST

23A

SELECT

2EC

0.1

POST

0

0

23B

DASH

4L

IQT

POST

123

C.I.

C.I.

6/09

6/24

24A

POAST

1.5EC

0.15

POST

0

0

24B

COC •

4L

0.5QT

POST

25A

POAST

1.5EC

0.15

POST

0

0

25B

DASH

4L

1QT

POST

CV

14

6

LSD

6

2

124

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

SOYBEANS POSTEMERGENCE VIII
:IL

:C400 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

RCB
3

7.5 38.0
CONVENTIONAL
FINE
CORNSTALKS 2 0%

Soil Texture :SILT LOAM
Soil O.M. % : 4.0
Soil pH :
Soil Name : FLANAGAN
Metero. Station:

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5

10
30.0

65
DRY

Pest

TRIAL

PEST

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

CORN
GIFT
J I WE
SMPW
VELE

POST
POST
POST
POST
POST

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

5 LF

6 LF
4 LF
4 LF
4 LF

POST

06/02/88

07:00A

40
8002

90
50

5.0
WATER
HANDHELD
20.0
DRY

HIGH

MED

HIGH

MED

HIGH

8.0
4.0
2.0
2.0
2.0

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

12.0
6.0
4.0
4.0
4.0

20

7.5

20

25
N
3.0

hrs

125

GIFT GIFT
6/13/6/28

VELE VELE JIWE JIW
6/13 6/28 6/13 6/28

l
i

1A
IB

2A
2B

3A
3B

4A
4B
4C

5A
5B

6A
6B

7A

7B

8A
8B

9A
9B

10A
10B

GALAXY
28%N

GALAXY
COC

GALAXY
DASH

GALAXY

DASH

28%N

PURSUIT
COC

PURSUIT
28%N

PURSUIT
DASH

REFLEX
X-77

REFLEX
28%N

REFLEX
DASH

3.67S

4L

3.67S

4L

3.67S
4L

3.67S

4L

4L

2SC
4L

2SC
4L

2SC
4L

2EC

%/V

2EC
4L

2EC

4L

0.92
4.0Q

0.92
1.0Q

0.92
1.0Q

0.92
1.0Q
4.0Q

0.063
1.0Q

0.063
4.0Q

0.063
1.0Q

0.38
0.25

0.38
4.0Q

0.38
l.OQ

POST
POST

POST
POST

POST
POST

POST
POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

0

11A

TACKLE

2EC

0.38

POST

11B

X-77

%/V

0.25

POST

12A

TACKLE

2EC

0.38

POST

12B

28%N

4L

4.0Q

POST

13A

TACKLE

2EC

0.38

POST

13B

DASH

4L

l.OQ

POST

14A

CLASSIC

25DF

3.69G

POST

14B

X-77

%/V

0.25

POST

14C

28%N

4L

4.0Q

POST

15A

DPX-M6316

25DF

1.82G

POST

15B

X-77

%/V

0.25

POST

15C

28%N

4L

4.0Q

POST

0

0

0

0

0

90 98 96

37 0

98

50 53 93 98

67 92 98 99

87 91 96 99

50 85 88 87 83 95

92 90 85 95

92 98 95 95 93 99

0 0 23 20 38 23

0 0 53 47 43 40

30 0 63 67 72 96

0 0 37 0 55 17

22 0 82 78 85 90

0 0 47 43 95 98

10 0 96 98 93 95

0 0 50 83 48 47

l

I
l

126

l

GIFT GIFT VELE VELE JIWE JIWE
6/13 6/28 6/13 6/28 6/13 6/28

16A

CLASSIC

25DF

3.69G

POST

16B

DPX-M6316

25DF

1.82G

POST

16C

X-77

%/V

0.25

POST

16D

28%N

4L

4.0Q

POST

17A

SCEPTER

1.5SC

0.125

POST

17B

X-77

%/V

0.25

POST

17C

28%N

4L

4.0Q

POST

18A

SCEPTER

1.5SC

0.094

POST

18B

X-77

%/V

0.25

POST

18C

28%N

4L

4.0Q

POST

19A

SCEPTER

1.5SC

0.063

POST

19C

X-77

%/V

0.25

POST

19C

28%N

4L

4.0Q

POST

20A

BASAGRAN

4S

0.75

POST

20B

COC

4L

1.0Q

POST

20C

28%N

4L

4.0Q

POST

0

0

0

37 7

0

96 99 90 96

85 85 53 57 50 73

78 62 40 40 54 67

47 27 30 37

88 99 96 99

21A 2.4-DB

2EC

0.05

POST

50 7

37 10

22A

BASAGRAN

22B

CLASSIC

22C

X-77

22D

28%N

23A

BASAGRAN

23B

PURSUIT

23C

X-77

23D

28%N

24A

BASAGRAN

24B

2.4-DB

24C

X-77

24D

28%N

25A

BENAZOLIN

25B

X-77

26A

BENAZOLIN

26B

REFLEX

26C

X-77

27

CHECK

CV

LSD

4S

0.50

POST

0

0

87

95

96

y»

25DF

2.72G

POST

%/V

0.25

POST

4L

4.0Q

POST

4FL

0.50

POST

0

0

88

91

95

99

2SC

0.03

POST

%/V

0.25

POST

4L

4.0Q

POST

4FL

0.50

POST

0

0

90

96

98

99

2EC

0.05

POST

%/V

0.25

POST

4L

4.0Q

POST

4SC

0.38

POST

0

0

48

48

72

75

%/V

0.25

POST

4SC

0.38

POST

0

0

85

72

93

86

2EC

0.25

POST

%/V

0.25

POST

0

0

0

0

0

0

32

40

16

20

11

15

25

8

17

22

14

19

127

1A

GALAXY

IB

28%N

2A

GALAXY

2B

COC

3A

GALAXY

3B

DASH

4A

GALAXY

4B

DASH

4C

28%N

5A

PURSUIT

5B

COC

6A

PURSUIT

6B

28%N

7A

PURSUIT

7B

DASH

8A

REFLEX

8B

X-77

9A

REFLEX

9B

28%N

10A

REFLEX

10B

DASH

11A

TACKLE

11B

X-77

12A

TACKLE

12B

28%N

13A

TACKLE

13B

DASH

14A

CLASSIC

14B

X-77

14C

28%N

15A

DPX-M6316

15B

X-77

15C

28%N

C.I.

CORN

6/28

6/28

3.67S

0.92

POST

3

12

4L

4.0Q

POST

3.67S

0.92

POST

7

11

4L

1.0Q

POST

3.67S

0.92

POST

5

14

4L

1.0Q

POST

3.67S

0.92

POST

7

10

4L

1.0Q

POST

4L

4.0Q

POST

2SC

0.063

POST

5

10

4L

1.0Q

POST

2SC

0.063

POST

2

5

4L

4.0Q

POST

2SC

0.063

POST

10

50

4L

1.0Q

POST

2EC

0.38

POST

3

7

%/V

0.25

POST

2EC

0.38

POST

3

5

4L

4.0Q

POST

2EC

0.38

POST

5

19

4L

1.0Q

POST

2EC

0.38

POST

0

14

%/V

0.25

POST

2EC

0.38

POST

3

15

4L

4.0Q

POST

2EC

0.38

POST

8

22

4L

1.0Q

POST

25DF

3.69G

POST

18

32

%/V

0.25

POST

4L

4.0Q

POST

25DF

1.82G

POST

4

12

%/V

0.25

POST

4L

4.0Q

POST

I
I
I
I
I

128

C.I.

CORN

6/28

6/28

= = =

==========

========

========

========

= = = = =

= = = = =

16A

CLASSIC

25DF

3.69G

POST

9

29

16B

DPX-M6316

25DF

1.82G

POST

16C

X-77

%/V

0.25

POST

16D

28%N

4L

4.0Q

POST

17A

SCEPTER

1.5SC

0.125

POST

12

54

17B

X-77

%/V

0.25

POST

17C

28%N

4L

4.0Q

POST

18A

SCEPTER

1.5SC

0.094

POST

18

55

18B

X-77

%/V

0.25

POST

18C

28%N

4L

4.0Q

POST

19A

SCEPTER

1.5SC

0.063

POST

15

39

19C

X-77

%/V

0.25

POST

19C

28%N

4L

4.0Q

POST

20A

BASAGRAN

4S

0.75

POST

2

4

20B

COC

4L

1.0Q

POST

20C

28%N

4L

4.0Q

POST

21A

2.4-DB

2EC

0.05

POST

7

7

22A

BASAGRAN

4S

0.50

POST

3

12

22B

CLASSIC

25DF

2.72G

POST

22C

X-77

%/V

0.25

POST

22D

28%N

4L

4.0Q

POST

23A

BASAGRAN

4FL

0.50

POST

8

9

23B

PURSUIT

2SC

0.03

POST

23C

X-77

%/V

0.25

POST

23D

28%N

4L

4.0Q

POST

24A

BASAGRAN

4FL

0.50

POST

15

15

24B

2.4-DB

2EC

0.05

POST

24C

X-77

%/V

0.25

POST

24D

28%N

4L

4.0Q

POST

25A

BENAZOLIN

4SC

0.38

POST

22

7

25B

X-77

%/V

0.25

POST

26A

BENAZOUN

4SC

0.38

POST

5

16

26B

REFLEX

2EC

0.25

POST

26C

X-77

%/V

0.25

POST

27

CHECK

0

0

129

BACKGROUND

Trial Title rURBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SOYBEAN POSTEMERGENCE IX
:IL

:C500 URBANA, IL
:61801
: CANTWELL/LIEBL/WAX

i

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

:RCB

: 3

:10.0 40.0

: CONVENTIONAL

:FINE

:0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

4.0

6.0
FLANAGAN

previous crop
SOYBEANS

previous pesticide

year
1988

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEANS
HACK
05/11/88
MECHANICAL

1.5

10
30.0

60
DRY

Pest

TRIAL

APPLICATION

PEST

PEST

CODE

STAGE

COLQ

EPOS

4

LF

COLQ

LPOS

6

LF

GIFT

EPOS

4

LF

GIFT

LPOS

6

LF

J I WE

EPOS

2

LF

J I WE

LPOS

4

LF

SMPW

EPOS

2

LF

SMPW

LPOS

4

LF

SOYS

EPOS

2

TRIF

SOYS

LPOS

4

TRIF

VELE

EPOS

4

LF

VELE

LPOS

3

LF

PEST

PEST

HEIGHT (In)

DENSITY

min

max

LIGHT

2.0

4.0

MED

2.0

4.0

MED

2.0

4.0

HIGH

4.0

6.0

HIGH

2.0

4.0

HIGH

2.0

4.0

MED

1.0

3.0

MED

2.0

4.0

2.0

6.0

4.0

6.0

MED

1.0

3.0

MED

2.0

4.0

130

1

l
I
I

I

{

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

:EPOS

05/31/88

07:00A

40
8002

80
50

3.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 85

20

7.5

20

0

N

3.0

hrs

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App,

:LP0S

06/03/88

08:00A

40
8002

70
50

10.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

18

7.5

18

N

3.0
90

hrs

COMMENTS

Classic, DPX-M6316 and Pursuit provided better velvetleaf control than did Cobra, Blazer or Reflex.
DPX-M63 16 provided better lambsquarters control than any of the other treatments but provided poor
jimsonweed control alone.

131

C.I.

VELE

JIWE

COLQ

6/27

6/27

6/27

6/27

1A

COBRA

2EC

0.20

EPOS

10

63

99

37

IB

COC

4L

0.5Q

EPOS

2A

COBRA

2EC

0.20

EPOS

10

75

96

40

2B

28%N

4L

4.0Q

EPOS

3A

COBRA

2EC

0.20

EPOS

7

63

88

30

3B

X-77

%/V

0.25

EPOS

4A

COBRA

2EC

0.15

EPOS

10

33

80

0

4B

TACKLE

2EC

0.25

EPOS

4C

X-77

%/V

0.25

EPOS

5A

COBRA

2EC

0.15

EPOS

7

33

77

30

5B

2.4-DB

2EC

0.03

EPOS

5C

X-77

%/V

0.25

EPOS

6A

COBRA

2EC

0.15

EPOS

3

73

95

53

6B

CLASSIC

25DF

2.72G

EPOS

6C

X-77

%/V

0.25

EPOS

7A

COBRA

2EC

0.15

EPOS

7

90

95

60

7B

CLASSIC

25DF

3.69G

EPOS

7C

X-77

%/V

0.25

EPOS

8A

BLAZER

4FL

0.50

EPOS

3

0

83

70

8B

X-77

%/V

0.25

EPOS

9A

CLASSIC

25DF

3.69G

EPOS

0

88

99

23

9B

X-77

%/V

0.25

EPOS

9C

28%N

4L

4.0Q

EPOS

10A

CLASSIC

25DF

2.72G

EPOS

0

92

99

10

10B

X-77

%/V

0.25

EPOS

IOC

28%N

4L

4.0Q

EPOS

11A

DPX-M6316

25DF

1.82G

EPOS

10

90

0

96

11B

X-77

%/V

0.25

EPOS

11C

28%N

4L

4.0Q

EPOS

12A

CLASSIC

25DF

3.69G

EPOS

3

99

98

96

12B

DPX-M6316

25DF

1.82G

EPOS

12C

X-77

%/V

0.25

EPOS

12D

28%N

4L

4.0Q

EPOS

I
1

I
I

132

C.I. VELE JIWE COLQ
6/27 6/27 6/27 6/27

13A

CLASSIC

25DF

2.72G

EPOS

13B

DPX-M6316

25DF

1.82G

EPOS

13C

X-77

%/V

0.25

EPOS

13D

28%N

4L

4.0Q

EPOS

14A

PURSUIT

2SC

0.063

EPOS

14B

X-77

%/V

0.25

EPOS

14C

28%N

4L

4.0Q

EPOS

15A

REFLEX

2EC

0.38

EPOS

15B

X-77

%/V

0.25

EPOS

99 99 99

0

0

96 99 93

30 99 43

16

CHECK

0

0

0

0

17A

COBRA

2EC

0.20

LPOS

17B

COC

4L

0.5Q

LPOS

18A

COBRA

2EC

0.20

LPOS

18B

28%N

4L

4.0Q

LPOS

19A

COBRA

2EC

0.20

LPOS

19B

X-77

%/V

0.25

LPOS

20A

COBRA

2EC

0.15

LPOS

20B

TACKLE

2EC

0.25

LPOS

20C

X-77

%/V

0.25

LPOS

21A

COBRA

2EC

0.15

LPOS

21B

2.4-DB

2EC

0.03

LPOS

21C

X-77

%/V

0.25

LPOS

22A

COBRA

2EC

0.15

LPOS

22B

CLASSIC

25DF

2.72G

LPOS

22C

X-77

%/V

0.25

LPOS

23A

COBRA

2EC

0.15

LPOS

23B

CLASSIC

25DF

3.69G

LPOS

23C

X-77

%/V

0.25

LPOS

24A

BLAZER

4FL

0.50

LPOS

24B

X-77

%/V

0.25

LPOS

25A

CLASSIC

25DF

3.69G

LPOS

25B

X-77

%/V

0.25

LPOS

25C

28%N

4L

4.0Q

LPOS

10 93 96 50

82 73 40

55 60 17

70 67 40

13 47 87 10

10

20

0

0

67

80

57

93

90

96

62

83

27

87

23

17

133

26A

CLASSIC

26B

X-77

26C

28%N

27A

DPX-M6316

27B

X-77

27C

28%N

28A

CLASSIC

28B

DPX-M6316

28C

X-77

28D

28%N

29A

CLASSIC

29B

DPX-M6316

29C

X-77

29D

28%N

30A

PURSUIT

30B

X-77

30C

28%N

31A

REFLEX

31B

X-77

32

CV
LSD

CHECK

C.I.

VELE

JIWE

COLQ

6/27

6/27

6/27

6/27

ssssa

========

=======

= = = = =

= = = = =

= = = =

= = = =

25DF

2.72G

LPOS

7

99

90

17

%/V

0.25

LPOS

4L

4.0Q

LPOS

25DF

1.82G

LPOS

0

96

0

10

%/V

0.25

LPOS

4L

4.0Q

LPOS

25DF

3.69G

LPOS

7

99

93

95

25DF

1.82G

LPOS

%/V

0.25

LPOS

4L

4.0Q

LPOS

25DF

2.72G

LPOS

3

99

83

83

25DF

1.82G

LPOS

%/V

0.25

LPOS

4L

4.0Q

LPOS

2SC

0.063

LPOS

0

50

60

13

%/V

0.25

LPOS

4L

4.0Q

LPOS

2EC

0.38

LPOS

10

7

43

0

%/V

0.25

LPOS

0

0

0

I
I
I

i

I
I
I

I

I

32 19 11 33

11 21 14 22

I

l

I

134

l
I
I

BACKGROUND

Trial Title :URBANA

SOYBEAN POSTEMERGENCE X

Trial State

:IL

Trial Location

:C500 URBANA, IL

Trial Zipcode

-.61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB Soil

Texture

:SILT LOA

Number of Replicates

: 3 Soil

O.M. %

: 4.0

Plot Wd X Lth (Ft)

:10.0 40.0 Soil

PH :

: 6.0

Tillage Type

: CONVENTIONAL Soil

Name :

FLANAGAN

Seedbed Description

:FINE Metero. Station

Ground cover & %

: 0

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (seeds/ foot)
Row Spacing (in)
Soil Temp (F) § Plant
Soil Moisture § Planting

SOYBEANS
HACK
05/11/88
MECHANICAL

1.5

10
30.0

60
DRY

PEST

TRIAL

APPLICATION

PEST GROWTH

PEST

CODE

STAGE

COLQ

1TRF

4

LF

COLQ

2TRF

6

LF

COLQ

3TRF

8

LF

GIFT

1TRF

4

LF

GIFT

2TRF

5

LF

GIFT

3TRF

6

LF

JIWE

1TRF

2

LF

J I WE

2TRF

4

LF

JIWE

3TRF

4

LF

SMPW

1TRF

2

LF

SMPW

2TRF

4

LF

SMPW

3TRF

4

LF

PEST

PEST

HEIGHT (in)

DENSITY

min

max

LIGHT

2.0

4.0

MED

2.0

4.0

MED

3.0

5.0

MEDIU

2.0

4.0

HIGH

4.0

6.0

MED

4.0

6.0

HIGH

2.0

4.0

HIGH

3.0

4.0

MED

3.0

6.0

MED

1.0

3.0

MED

2.0

4.0

HIGH

3.0

4.0

135

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

05/31/88

Nozzle Spacing (in)

18

07:00

Boom Length (Ft)

7.5

40

Boom Height (in)

20

8002

Incorporation Equip

80

Elapsed Time to Inco

rp. :

50

Incorp. Depth (in)

3.0

Percent Cloud Cover

: 0

WATER

Dew Presence (Y/N)

: N

HANDHELD

Ground Speed (MPH)

: 3

20

Soil Temp (F) :

75

DRY

2TRF

6/03/88

Nozzle Spacing (in)

:18

8: 00a

Boom Length (Ft)

:7.5

40

Boom Height (in)

:20

8002

Incorporation Equip.

85

Elapsed Time to Inco

rp.

60

Incorp. Depth (in)

8 SW

Percent Cloud Cover

:0

WATER

Dew Presence (Y/N)

:N

HAND-HELD

Ground Speed (MPH)

:3

20

Soil Temp (F)

:78

DRY

:3TRF

06/06/88

Nozzle Spacing (In)

: 20

7:00A

Boom Length (Ft)

: 7.5

40

Boom Height (In)

: 20

8002

Incorporation Equip

80

Elapsed Time to Incorp.

70

Incorp. Depth (In)

•
•

3.0

Percent Cloud Cover

: 0

WATER

Dew Presence (Y/N)

:N

HANDHELD

Ground Speed (MPH)

: 3.0

20.0

Soil Temp (F) :

80

DRY

I

hrs

hrs

i

hrs.

i

COMMENTS
Of the two new compounds, SB-23031 and KIH-9201, KIH-9201 performed very well. This materialj
was scored good to excellent on the BDLF species rated. KIH-9201 also has good activity on
morninggloryspp. (not reported due to variable population). Crop injury was limited to a moderate
contact-type burn.

136

t

l

!

C.I. GIFT COLQ VELE JIWE
6/22 6/22 6/22 6/22 6/22

1A

SB-23031

2A

SB-23031

3A

SB-23031

4A

SB-23031

5A

KIH-9201

5B

X-77

6A

KIH-9201

6B

X-77

7A

KIH-9201

7B

X-77

8A

KIH-9201

8B

X-77

9A

KIH-9201

9B

X-77

10A

KIH-9201

10B

X-77

11A

KIH-9201

11B

X-77

12A

KIH-9201

12B

X-77

13A

KIH-9201

13B

X-77

14

CHECK

.89EC

.89EC

.89EC

.89EC

1EC
%/V

1EC
%/V

1EC
%/V

1EC
%/V

1EC
%/V

1EC
%/V

1EC

%/V

1EC
%/V

1EC
%/V

13G

26G

39G

45.3G

0.005
0.10

0.01
0.10

0.02
0.10

0.005
0.1

0.01
0.10

0.02
0.10

0.005
0.1

0.01
0.10

0.02
0.10

2TRP

2TRF

2TRF

2TRF

1TRF
1TRF

1TRF
1TRF

1TRF

1TRF

2TRF
2TRF

2TRF
2TRF

2TRF
2TRF

3TRF
3TRF

3TRF
3TRF

3TRF
3TRF

15A
15B

COBRA
X-77

2EC

%/V

0.20
0.25

2TRF
2TRF

16A
16B

COBRA
COC

2EC
4L

0.20
0.5Q

2TRF
2TRF

17A

17B

COBRA
COC

2EC
4L

0.15
0.5Q

2TRF
2TRF

0
3
3
3

0

0

0

0

0

0

5

12

8

0

10 3

13 2

23 0

0

0

8

23 3

17 3

23

30
30

42
71

33

40
61
88
86

15
35
33
57
91

91 95 95

97 97 97

78 93 94

82 94 94

89 96 97

20 23 17

40 57 35

62 58 42

47 55 63

52 59 80

56 50 83

137

I

C.I.

GIFT

COLQ

VELE

JIWE

6/22

6/22

6/22

6/22

6/22

18A

GALAXY

3.67S

0.92

2TRF

7

0

70

62

91

18B

COC

4L

0.5Q

2TRF

19A

BLAZER

4FL

0.38

2TRF

3

10

62

53

70

19B

X-77

%/V

0.25

2TRF

20A

SB-23031

.89EC

39G

2TRF

25

95

95

93

66

20B

SELECT

2EC

0.10

2TRF

20C

COC

4L

1.0Q

2TRF

21A

COBRA

2EC

0.20

2TRF

30

94

67

84

84

21B

SELECT

2EC

0.10

2TRF

21C

COC

4L

1.0Q

2TRF

22A

TORNADO

1.75EC

0.43

2TRF

20

89

60

77

72

22B

COC

4L

0.5Q

2TRF

23A

BAS514

50W

0.25

2TRF

23

7

28

57

52

23B

X-77

%/V

0.25

2TRF

24A

PURSUIT

2SC

0.063

2TRF

13

79

53

93

95

24B

X-77

%/V

0.25

2TRF

24C

28N

4L

4Q

2TRF

25A

CLASSIC

25DF

3.69G

2TRF

0

18

33

90

92

25B

X-77

%/V

0.25

2TRF

25C

28N

4L

4Q

2TRF

26A

CLASSIC

25DF

5.5G

2TRF

0

5

38

83

91

26B

X-77

%/V

0.25

2TRF

26C

28N

4L

4Q

2TRF

27A

DPXM6316

25DF

1.82G

2TRF

0

0

86

84

36

27B

X-77

%/V

0.25

2TRF

27C

28N

4L

4Q

2TRF

28

CV

LSD

CHECK

0

0

0

0

l

l
l
l
l

I

I

14 42 20 18 14

9 11 18 20 15

138

l

l
l

i

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

SOYBEANS POSTEMERGENCE XI
:IL

:N200 (URBANA, IL)
: 61801

: CANTWELL/LIEBL/WAX

:RCB

: 3

: 10.0 40.0

: CONVENTIONAL

:FINE

:0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILTY CLAY
5.0
6.4
DRUMMER

LOAM

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture § Planting

previous pesticide

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5

10
30.0

75
DRY

year
1987

Pest

TRIAL

PEST

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

GIFT
JIWE
SMPW
TAMG
VELE

POST
POST
POST
POST
POST

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

4

4

4

2

2
:POST
06/01/88
07:00A

40
8002

90
50

3.0
WATER
HANDHELD
20.0
DRY

LF
LF
LF
LF
LF

MED

HIGH

MED

HIGH

MED

4.0
2.0
2.0
2.0
2.0

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

6.0
4.0
4.0
4.0
4.0

20

7.5

20

N

3.0

hrs

139

1A

PURSUIT

IB

BAS0902

2A

PURSUIT

2B

28N

3A

PURSUIT

3B

coc

4A

PURSUIT

4B

X-77

5A

PURSUIT

5B

DASH

6A

CLASSIC

6B

BAS0902

7A

CLASSIC

7B

28N

8A

CLASSIC

8B

COC

9A

CLASSIC

9B

X-77

10A

CLASSIC

10B

DASH

11A

24DB

11B

BAS0902

12A

24DB

12B

28N

13A

24DB

13B

COC

14A

24DB

14B

X-77

15A

24DB

15B

DASH

16A

BLAZER

16B

BAS0902

C.I.

GIFT

VELE

JIWE

ILMG SMPW

6/16

6/16

6/16

6/16

6/16 6/16

= = = = =

========

=======

= = = = = ■

= = = = =

= = = =

= = = =

= = = = = = =J

2SC

0.063

POST

0

98

99

98

94 99 1

4L

1QT

POST

■

2SC

0.063

POST

0

57

98

96

89 99

4L

4QT

POST

1

2SC

0.063

POST

0

90

98

97

88 99 1

4L

1QT

POST

1

2SC

0.063

POST

0

83

97

96

82 99 j

%/V

0.25

POST

1

2SC

0.063

POST

0

98

99

99

94 98 |

4L

1QT

POST

25DF

3.69G

POST

0

3

63

63

59 66

4L

1QT

POST

I

25DF

3.69G

POST

0

12

78

76

1

56 72

4L

4QT

POST

1

25DF

3.69G

POST

7

10

98

99

92 97

4L

1QT

POST

i

25DF

3.69G

POST

5

7

97

97

86 98 '

%/V

0.25

POST

l

25DF

3.69G

POST

7

13

98

98

85 93

4L

1QT

POST

2EC

0.05

POST

3

0

50

58

57 47 !

i

4L

1QT

POST

2EC

0.05

POST

3

23

32

22

18 50

4L

4QT

POST

1

2EC

0.05

POST

2

7

48

60

28 37 1

4L

1QT

POST

2EC

0.05

POST

0

28

43

48

28 40 ,

%/V

0.25

POST

2EC

0.05

POST

2

10

23

60

58 37

4L

1QT

POST

2EC

0.25

POST

9

74

79

99

52 99

4L

1QT

POST

I

=1

I

I

I

140

17A

17B

BLAZER
28N

2EC

4L

0.25
4QT

POST
POST

18A
18B

BLAZER
COC

2EC
4L

0.25
1QT

POST
POST

19A
19B

BLAZER
X-77

2EC
%/V

0.25
0.25

POST
POST

20A
20B

BLAZER
DASH

2EC
4L

0.25
1QT

POST
POST

21A
21B

BASAGRAN
BAS0902

4SC
4L

0.75
1QT

POST
POST

22A
22B

BASAGRAN
28N

4SC

4L

0.75
4QT

POST
POST

23A
23B

BASAGRAN
COC

4SC
4L

0.75
1QT

POST
POST

24A
24B

BASAGRAN
X-77

4SC

%/V

0.75
0.25

POST
POST

25A
25B

BASAGRAN
DASH

4SC
4L

0.75
1QT

POST
POST

C.I. GIFT VELE JIWE ILMG SMPW
6/16 6/16 6/16 6/16 6/16 6/16

5 10 51 76 23 99

10 23 18 99 23 99

10 17 15 67 17 96

35 32 99 60 99

0

0

26

CHECK

0

0

0

0

0

97 99 63 53

99 99 90 83

99 99 92 89

91 99 90 73

99 99 83 88

0

0

0

0

cv

LSD

69 44 22 25 31 26

4 19 25 33 32 33

141

BACKGROUND

Trial Title :URBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

SOYBEAN POSTEMERGENCE XII
:IL

:AS300(URBANA IL)
:61801
: CANTWELL/LIEBL/WAX

:RCB
: 3

:10.0 32.0
: CONVENTIONAL
:FINE
:0

%

Soil Texture

Soil O.M.

Soil pH

Soil Name

:SILTY CLAY LOAM
:5.0
:6.0
: DRUMMER

Metero. Station:

previous pesticide

year
1987

SOYBEANS
HACK
5/03/88
MECHANICAL

1.5
10
30.0

70
DRY

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

CODE

STAGE

GIFT

POST

6

LF

SMPW

POST

4

LF

JIWE

POST

4

LF

VELE

POST

4

LF

PEST
DENSITY

HIGH
MED
MED
MED

PEST HEIGHT (In)
min max

142

4.0
2.0
4.0
2.0

6.0
4.0
6.0
4.0

i
i
i

i

r

i
i

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) .
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:POST

05/31/88

08:00A

40
8002

80
50

3.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)

Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

:7
20

20
.5

0

N

3.0

hrs

COMMENTS
Under the conditions of this study, Dash spray additive performed better than the other adjuvants.

143

GIFT SMPW JIWE VELE
6/20 6/20 6/20 6/20

1A

PURSUIT

2SC

0.063

POST

IB

SUN7E

4L

IQT

POST

2A

PURSUIT

2SC

0.063

POST

2B

SUN HE

4L

IQT

POST

3A

PURSUIT

2SC

0.063

POST

3B

X-77

%/V

0.25

POST

4A

PURSUIT

2SC

0.063

POST

4B

SUN7E

4L

IQT

POST

4C

X-77

%/V

0.25

POST

5A

PURSUIT

2SC

0.063

POST

5B

SUN HE

4L

IQT

POST

5C

X-77

%/V

0.25

POST

6A

PURSUIT

2SC

0.063

POST

6B

28N

4L

4QT

POST

6C

X-77

%/V

0.25

POST

7A

PURSUIT

2SC

0.063

POST

7B

DASH

4L

IQT

POST

8A

PURSUIT

2SC

0.063

POST

8B

coc

4L

IQT

POST

9A

CLASSIC

25DF

3.69G

POST

9B

SUN7E

4L

IQT

POST

10A

CLASSIC

25DF

3.69G

POST

10B

SUN HE

4L

IQT

POST

11A

CLASSIC

25DF

3.69G

POST

11B

X-77

%/V

0.25

POST

12A

CLASSIC

25DF

3.69G

POST

12B

SUN7E •

4L

IQT

POST

12C

X-77

%/V

0.25

POST

13A

CLASSIC

25DF

3.69G

POST

13B

SUN HE

4L

IQT

POST

13C

X-77

%/V

0.25

POST

14A

CLASSIC

25DF

3.69G

POST

14B

28N

4L

4QT

POST

14C

X-77

%/V

0.25

POST

87 98 94 93

90 95 98 93

92 96 99 98

93 98 99 99

95 96 96 96

93 96 96 98

97 99 98 96

90 98 98 98

0

0

0

0

0

0

98 96 88

93 96 90

98 93 87

99 96 88

96 93 91

95 98 90

i

I

l

144

l

[j

GIFT SMPW JIWE VELE
6/20 6/20 6/20 6/20

15A CLASSIC

15B DASH

16A CLASSIC

16B COC

25DF

3.69G

POST

4L

IQT

POST

25DF

3.69G

POST

4L

IQT

POST

0

96 99 90

83 98 87

17

CHECK

18A
18B

BASAGRAN
SUN7E

4SC

4L

0.75
IQT

POST
POST

19A
19B

BASAGRAN
SUN HE

4SC
4L

0.75
IQT

POST
POST

20A
20B

BASAGRAN
X-77

4SC

%/V

0.75
0.25

POST
POST

21A
21B
21C

BASAGRAN

SUN7E

X-77

4SC
4L

%/V

0.75
IQT
0.25

POST
POST
POST

22A
22B
22C

BASAGRAN
SUN HE
X-77

4SC

4L

%/V

0.75
IQT
0.25

POST
POST
POST

23A
23B
23C

BASAGRAN

28N

X-77

4SC

4L

%/V

0.75
4QT
0.25

POST
POST
POST

24A
24B

BASAGRAN
DASH

4SC
4L

0.75
IQT

POST
POST

25A
25B

BASAGRAN
COC

4SC
4L

0.75
IQT

POST
POST

0 63 99 68

60 99 68

0 50 98 67

0 58 98 83

0 67 98 80

0 67 99 95

0 76 99 95

0 68 99 82

26

CHECK

0

0

0

CV
LSD

7 13 3

3 17 5 9

145

I

RCB

15

10.0

BACKGROUND

Trial Title rURBANA

Trial State

Trial Location

Trial Zipcode

Prime Investigator

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEAN POSTEMERGENCE XIII
:IL

:N200 (URBANA, IL)
:61801
: CANTWELL/LIEBL/WAX

40.0

CONVENTIONAL
FINE
0

Soil
Soil
Soil
Soil

%

Texture
O.M.
pH
Name

SILTY CLAY LOAM
5.5
6.4

DRUMMER

Metero. Station

previous pesticide

SOYBEANS
HACK
05/06/88
MECHANICAL

1.5

10
30.0

75
DRY

year
1987

i
i
i
i

i

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

CODE

STAGE

GIFT

POST

6

LF

J I WE

POST

6

LF

SMPW

POST

8

LF

SOYBEA

POST

4

TRIF

ILMG

POST

4

LF

VELE

POST

6

LF

PEST

PEST

HEIGHT

(In)

DENSITY

min

max

MED

2.0

8.0

HIGH

2.0

8.0

HIGH

4.0

6.0

6.0

8.0

HIGH

2.0

4.0

HIGH

4.0

6.0

146

l

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

:POST

06/06/88

13:00

40
8002

90
26

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

18

7.5

20

hrs

0

N

3.0

COMMENTS
To better compare the activities of Pursuit, Classic, Classic + DPXM6316, and Galaxy, these four
treatments were replicated 15 times in a test area with intense BDLF pressure.

147

VELE ILMG SMPW JIWE
6/19 6/19 6/19 6/19

1A

PURSUIT

IB

X-77

1C

28N

2A

CLASSIC

2B

X-77

2C

28N

3A

CLASSIC

3B

DPXM6316

3C

X-77

3D

28N

4A

GALAXY

4B

X-77

4C

28N

CV

LSD

2SC

0.063

POST

87

70

83

8!

%/V

0.25

POST

4L

4QT

POST

25DF

5.5G

POST

92

54

74

8<

%/V

0.25

POST

4L

4QT

POST

25DF

5.5G

POST

96

52

90

9<

25DF

1.82G

POST

%/V

0.25

POST

4L

4QT

POST

3.67EC

0.92

POST

95

21

92

9

%/V

0.25

POST

4L

4QT

POST

6

24

12

5

10

20

17

8

I

A
1
I
I
I
I
I
1
I
I
I
I
I
I
I

148

l

i

BACKGROUND

Trial Title :URBANA

SOYBEAN POSTEMERGENCE XIV

Trial State

:IL

Trial Location

:C500 (URBANA, IL)

Trial Zipcode

:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB Soil

Texture :

SILT LOAM

Number of Replicates

: 3 Soil

O.M. % :

4.0

Plot Wd X Lth (Ft)

:10.0 40.0 Soil

pH :

6.0

Tillage Type

: CONVENTIONAL Soil

Name :

FLANAGAN

Seedbed Description

:FINE Metero. Station:

Ground cover & %

:0

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEANS
HACK
05/11/88
MECHANICAL

1.5
10

30.0
70
DRY

Pest

TRIAL

APPLICATION

PEST

GROWTH

PEST

CODE

STAGE

GIFT

POST

6

LF

COLQ

POST

MANY

SMPW

POST

4

LF

VELE

POST

4

LF

JIWE

POST

4

LF

PEST

PEST

HEIGHT

(In)

DENSITY

min

max

HIGH

6.0

8.0

MED

4.0

6.0

MED

4.0

6.0

MED

4.0

6.0

HIGH

4.0

6.0

149

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

POST

06/13/88

Nozzle Spacing (In)

: 18

07:00A

Boom Length (Ft)

: 7.5

40

Boom Height (In)

: 20

8002

Incorporation Equip

60

Elapsed Time to Inco

rp.

75

Incorp. Depth (In)

10.0

Percent Cloud Cover

: 0

WATER

Dew Presence (Y/N)

:N

HANDHELD

Ground Speed (MPH)

: 3.0

20.0

Soil Temp (F) :

70

MOIST

COMMENTS

hrs

i

i

i

The treatments were applied to a broad spectrum of moderately large weeds growing under
drought conditions. Control of giant foxtail ranged from fair to good, with considerable differences in
control depending on adjuvant when Poast and Galaxy were applied as tank mixtures. Several .
treatments provided good to excellent control of the broadleaf species present in the study.

I
I

150

l
l
l
I

I!
I

C.I. GIFT COLQ SMPW VELE JIVVE
6/21 6/21 6/21 6/21 6/21 6/21

1A

HOE46360

IB

COC

2A

HOE46360

2B

COC

3A

OPTION

3B

COC

4A

OPTION

4B

COC

5A

POAST

5B

COC

6A

POAST

6B

COC

7A

GALAXY

7B

POAST

7C

COC

8A

GALAXY

8B

POAST

8C

DASH

9A

GALAXY

9B

POAST

9C

28N

9D

X77

10A

GALAXY

10B

POAST

IOC

SUN7E

10D

X77

11A

GALAXY

11B

POAST

11C

SUN HE

11D

X77

12A

GALAXY

12B

POAST

12C

INHANCE

CV

LSD

0.63EC
4L

0.63EC

4L

1EC
4L

1EC
4L

1.5EC

4L

1.5EC
4L

3.67EC

1.5EC

4L

3.67EC
1.5EC

4L

3.67EC
1.5EC
4L
%/V

3.67EC
1.5EC
4L
%/V

3.67EC
1.5EC
4L
%/V

3.67EC
1.5EC

4L

0.05
1QT

0.1
1QT

0.075
1QT

0.15
1QT

0.1
1QT

0.2

1QT

0.92
0.15
1QT

0.92
0.15
1QT

0.92
0.15
4QT
0.25

0.92
0.15
1QT
0.25

0.92
0.15
1QT
0.25

0.92
0.15

1QT

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST

POST
POST
POST

POST
POST
POST

POST
POST
POST
POST

POST
POST
POST
POST

POST
POST
POST
POST

POST
POST
POST

0

75

0

0

0

0

0

87 0

88 0

87 0

72

85 0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

17 80 78 85 83 95

33 92 90 95 85 93

23 67 85 88 92 95

20 72 53 90 68 93

13 82 67 87 72 93

10 53 82 93 93 93

24

13

11
14

28
18

11
8

14
10

5
4

151

I

BACKGROUND

Trial Title :URBANA

SOYBEAN POST XV

Trial State

:IL

Trial Location

:C400 (URBANA, IL)

Trial Zipcode

:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB

Soil Texture :

SILT LOAM

Number of Replicates

: 3

Soil O.M. % :

4.0

Plot Wd X Lth (ft)

: 7.5 38.0

Soil pH

6.0

Tillage Type

: CONVENTIONAL

Soil Name

FLANAGAN

Seedbed Description

:FINE

Metero. Station:

Ground cover & %

: CORNSTALKS 2 0%

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop

: SOYBEANS

Crop Variety

:HACK

Planting Date

: 05/06/88

Planting Method

: MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate ( seeds/ j

foot)

: 10

Row Spacing (in)

:30.0

Soil Temp (F) @ Planl

— <

: 65

Soil Moisture § Plant

:ing

:DRY

Pest

1

TRIAL APPLICATION

PEST GROWTH

PEST

PEST

HEIGHT (In)

PEST CODE

STAGE

DENSITY

min

max

CORN 3-5

6 LF

HIGH

8.0

18.0

I

GIFT 3-5

6 LF

HIGH

4.0

8.0

■

SOYS 3-5

4

TRIF

4.0

6.0

152

I

I

I!

II

I

I

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) .
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST

06/06/88

09:00A

40
8002

90
26

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

0

N

18

7.5

20

hrs

3.0

COMMENTS
Several treatments afforded excellent control of graminae species. Treatments that included Dash
generally performed better than those that included COC. BAS-0562-16H performance was enhanced
by the addition of Dash or COC.

153

I

GIFT GIFT GIFT CORN CORN COR.1
6/13 6/27 7/19 6/13 6/27 7/19

l

7A

CHECK

2A

POAST

1.5EC

0.10

3-5"

2B

COC

4L

l.OQ

3-5"

3A

POAST

1.5EC

0.10

3-5"

3B

DASH

4L

l.OQ

3-5"

4A

POAST

1.5EC

0.10

3-5"

4B

DASH

4L

2.0Q

3-5"

5A

POAST

1.5EC

0.125

3-5"

5B

COC

4L

l.OQ

3-5"

6A

POAST

1.5EC

0.125

3-5"

6B

DASH

4L

l.OQ

3-5"

POAST

1.5EC

0.125

3-5'

8A

POAST

1.5EC

0.15

3-5"

8B

COC

4L

l.OQ

3-5"

9A

POAST

1.5EC

0.15

3-5"

9B

DASH

4L

l.OQ

3-5"

10A

POAST

1.5EC

0.15

3-5"

10B

DASH

4L

2.0Q

3-5"

11

BAS-0562-16H

1EC

0.10

3-5"

12A

BAS-0562-16H

1EC

0.10

3-5"

12B

COC

4L

l.OQ

3-5"

13A

BAS-0562-16H

1EC

0.10

3-5"

13B

DASH

4FL

l.OQ

3-5"

14A

BAS-0562-16H

1EC

0.125

3-5"

15A

BAS-0562-16H

1EC

0.125

3-5"

15B

COC

4L

l.OQ

3-5"

16A

BAS-0562-16H

1EC

0.125

3-5"

16B

DASH

4FL

l.OQ

3-5"

17

BAS-0562-16H

1EC

0.15

3-5"

0 0 0 0 0 0

63 80 90 43 65 63

67 85 90 50 73 90

70 85 93 60 82 92

63 83 92 57 78 83

63 83 90 45 78 77

i

!
I

47 48 28 30 40 30
65 90 97 58 85 94

63 88 94 53 85 89

65 93 98 62 83 95

58 73 80 50 60 62

65 83 91 45 77 78

53 87 90 50 83 89

67 83 95 65 68 73
75 85 96 62 80 89

77 85 95 70 83 93

78 83 94 58 82 87

I

I

I
II
J1
I

154

GIFT GIFT GIFT CORN CORN CORN
6/13 6/27 7/19 6/13 6/27 7/19

18A
18B

BAS-0562-16H
COC

1EC

4L

0.15
l.OQ

3-5"
3-5"

19A
19B

BAS-0562-16H
DASH

1EC
4L

0.15
0.5Q

3-5"
3-5"

20A
20B

BAS-0562-16H
DASH

1EC
4FL

0.15
l.OQ

3-5"
3-5"

21A
21B

FUSILADE
COC

1.0EC
4L

0.15
1QT

3-5"
3-5"

22A
22B

OPTION
COC

1EC
4L

0.1
1QT

3-5"
3-5"

23A
23B

HOE46360
COC

0.63
4L

0.075
1QT

3-5"
3-5"

24

CV

LSD

CHECK

73 83 96 72 75 90

70 83 97 50 85 96

73 88 98 67 87 97

63 78 87 67 87 94

75 85 90 47 83 94

77 90 93 55 87 97

0

0

0

0

17 10 6 22 14 11
17 13 8 19 17 14

155

BACKGROUND

Trial Title :URBANA

SOYBEAN POST XVI

Trial State

:IL

Trial Location

:C400 (URBANA, IL)

Trial Zipcode

:61801

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB

Soil Texture :

SILT LOA

Number of Replicates

: 3

Soil O.M. % :

4.0

Plot Wd X Lth (Ft)

: 7.5 38.0

Soil pH

•
•

6.0

Tillage Type

: CONVENTIONAL

Soil Name

•
•

FLANAGAN

Seedbed Description

:FINE

Metero. Station:

Ground cover & %

: CORNSTALKS 2 0%

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop

: SOYBEANS

Crop Variety

:HACK

Planting Date

: 05/06/88

Planting Method

: MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate ( seeds/ 1

foot)

: 10

Row Spacing (in)

:30.0

Soil Temp (F) § Planl

: 65

Soil Moisture § Planl

:ing :

:DRY

Pest

TRIAL APPLICATION

PEST GROWTH

PEST

PEST

HEIGHT (

PEST CODE

STAGE

DENSITY

min

max

CORN POST

6 LF

HIGH

8.0

18.0

GIFT POST

6 LF

HIGH

4.0

8.0

SOYS POST

4

TRIF

4.0

6.0

(In)

156

i
i

I!
1
I

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity-
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:POST

06/06/88

09:00A

40
8002

90
26

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 75

18

7.5

20

hrs

N

3.0

COMMENTS

Several treatments gave substantial control of both giant foxtail and volunteer corn. Most treatments

showed slightly greater control of giant foxtail as compared to volunteer corn with no visible injury to

soybeans.

The addition of Basagran (and 28%N) antagonized Poast + COC efficacy, but had little effect on Poas

plus Dash. The efficacy of BAS-562-16H alone was generally equivalent to a similar rate of Poast plus

COC or Dash.

157

I

GIFT GIFT GIFT CORN CORN COR]
6/13/ 6/27/ 7/19 6/13 6/27 7/19

CHECK

0

0

0

158

0

0

0

2A

POAST

1.5EC

0.10

POST

62

85

78

50

75

70

2B

COC

4L

1.0Q

POST

3A

POAST

1.5EC

0.15

POST

73

80

90

55

11

77

3B

COC

4L

1.0Q

POST

4A

POAST

1.5EC

0.10

POST

83

80

60

67

50

47

4B

BASAGRAN

4SC

0.75

POST

4C

COC

4L

1.0Q

POST

4D

28%N

4L

4.0Q

POST

5A

POAST

1.5EC

0.15

POST

85

90

82

73

65

67

5B

BASAGRAN

4SC

0.75

POST

5C

COC

4L

1.0Q

POST

5D

28%N

4L

4.0Q

POST

6A

POAST

1.5EC

0.10

POST

27

30

30

17

23

37

7A

POAST

1.5EC

0.15

POST

63

53

28

47

55

35

8A

POAST

1.5EC

0.10

POST

90

87

75

63

83

70

8B

BASAGRAN

4SC

0.75

POST

8C

DASH

4L

2.0Q

POST

8D

28%N

4L

4.0Q

POST

9A

POAST

1.5EC

0.15

POST

94

95

92

87

87

93

9B

BASAGRAN

4SC

0.75

POST

9C

DASH

4L

2.0Q

POST

9D

28%N

4L

4.0Q

POST

10

BAS-562-16H

1EC

0.10

POST

63

80

88

45

75

67

11

BAS-562-16H

1EC

0.15

POST

11

90

88

62

83

88

12A

BAS-562-16H

1EC

0.10

POST

83

78

68

60

52

60

12B

BASAGRAN

4SC

0.75

POST

12C

28%N

4L

4.0Q

POST

13A

BAS-562-16H

1EC

0.15

POST

87

94

95

67

85

83

13B

BASAGRAN

4SC

0.75

POST

13C

28%N

4L

4.0Q

POST

I

I
I

II

GIFT GIFT GIFT CORN CORN CORN
6/13 6/27 7/19 6/13 6/27 7/19

14A

BAS-562-16H

1EC

0.10

POST

14B

DASH.

4L

1.0Q

POST

15A

BAS-562-16H

1EC

0.15

POST

15B

DASH

4L

1.0Q

POST

16A

BAS-562-16H

1EC

0.10

POST

16B

BASAGRAN

4SC

0.75

POST

16C

DASH

4FL

1.0Q

POST

16D

28%N

4L

4.0Q

POST

17A

BAS-562-16H

1EC

0.10

POST

17B

BASAGRAN

4SC

0.75

POST

17C

DASH

4L

1.0Q

POST

17D

28%N

4L

4.0Q

POST

73 87 90 58 82 82

77 85 94 63 88 94

93 90 88 72 83 88

90 87 85 75 80 83

18

CHECK

0

0

0

0

0

cv

LSD

13 13 12 19 20 18
15 16 14 17 21 19

159

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN WHEAT II

Trial Location :URBANA, IL

Trial Zipcode : 61801

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB

Soil Texture :SILTY CLAY LO

Number of Replicates

: 3

Soil

O.M. %

: 5.0

Plot Wd X Lth (Ft)

: 7.5 X 40.0

Soil

PH

: 6.4

Tillage Type

: CONVENTIONAL

Soil

Name

: DRUMMER

Ground cover & %
Seedbed Description

Fert. Level :
Metero. Station:

CROP

Trial Crop

: WHEAT

Crop Variety

: TYLER

Planting Date

:10/01/87

Planting Method :

: DRILL

Planting Depth (in) :

:1.0

Seeding Rate (seed/ foot) :

: 0

Row Spacing (in) :

: 0.0

Soil Temp (F) @ Plant :

: 0

Soil Moisture § Planting :

DRY

PEST

TRIAL APPLICATION PEST GROWTH

PEST

PEST CODE STAGE

DENSITY

HEBI POST

0.0

TAMU POST

0.0

PEST HEIGHT (in)
min max

6
6

12.0
12.0

■1

l!
II
II
1

160

i

V

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

POST

05/04/88

07:00

40
8002

75
60

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 0

N

20

0

20

0
0.0
0

f
3.0

hrs.

COMMENTS
An experimental herbicide, SB-23121, was compared to 2,4-D and Harmony.

TAMU HEBI CI
05/17 05/17 05/17

1

SB-23121

0.9EC

0.5Z

POST

12

50

21

2A

HARMONY

75DF

0.25Z

POST

80

60

0

2B

X-77

%/V

0.25

POST

2.4-D

3.8EC

6.0Z

POST

75

30

0

cv

LSD

3

4

1
1

30

4

161

I

BACKGROUND
Trial Title

Trial
Trial
Trial
Prime

SITE

rPREMERGENCE WEED CONTROL IN CORN (BROWNSTOWN)
State :IL

Location : BROWNSTOWN, IL
Zipcode : 62481

Investigator :CANTWELL/LIEBL/WAX

i
i

Experimental Design

:RCB

Soil

Texture :SILT LOAM

Number of Replicates

: 3

Soil

O.M. % : 1.5

I

Plot Wd X Lth (Ft)

: 7. J

5 40.0 Soil

pH : 7 . 0

Tillage Type

: CONVENTIONAL Soil

Name :CISNE

Seedbed Description

: CLODDY

Ground cover & %

:0

I

previous crop

previous pesticide

year

SOYBEANS

1987

I

CROP

Trial Crop

:CORN

I

Crop Variety

: PIONEER 9442

Planting Date

: 04/21/88

Planting Method

[MECHANICAL

Planting Depth (in)

: 1.5

1

Seeding Rate (plants/acre) :

: 24000

Row Spacing (in)

:30.0

Soil Temp (F) @ Plant

: 60

i

Soil Moisture @ Planting :

! ADEQUATE

Pest

TRIAL

PEST

GIFT
COLQ

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

HIGH
HIGH

162

1

I
1

I

I
I

I

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F) .
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

PRE

04/22/88

10:00A

30
8003

70
80

NE
WATER
HANDHELD
25.0
ADEQUATE

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

0

N

18
7 .5
20

3.0
70

hrs

COMMENTS

Acetanilides (Dual, Lasso, Harness or SAN-582) provided better giant Foxtail control than did
Prowl, atrazine or Extrazine. EL-1 77 and BAS-514 did not provide adequate grass control.

163

GIFT
6/08

COLQ
6/08

i

l
I,
l

I!
1
I

1A

DUAL

8EC

2.00

PRE

77

83

IB

ATRAZINE

90DG

1.00

PRE

2A

LASSO

4EC

2.25

PRE

92

87

2B

ATRAZINE

90DG

1.00

PRE

3A

CGI 80937

7.8EC

2.00

PRE

88

87

3B

ATRAZINE

90DG

1.00

PRE

4A

SAN-582

8EC

1.25

PRE

88

77

4B

ATRAZINE

90DG

1.00

PRE

5A

ACETOCHLOR

7.5EC

1.75

PRE

95

88

5B

ATRAZINE

90DG

1.00

PRE

6A

HARNESS

8EC

1.75

PRE

88

68

6B

ATRAZINE

90DG

1.00

PRE

7

ATRAZINE

90DG

1.75

PRE

10

85

8

EXTRAZINE

90DF

3.50

PRE

30

78

9

LARIAT

4FL

2.80

PRE

87

90

10

BULLET

4FL

2.80

PRE

57

77

11

BICEP

5.9FL

2.70

PRE

43

67

12

PROZINE

70DF

2.25

PRE

53

92

13

MARKSMAN

3.2FL

1.40

PRE

47

99

14

MARKSMAN

3.2FL

1.00

PRE

37

90

15A

DUAL

8EC

2.00

PRE

95

99

15B

ATRAZINE

90DG

1.20

PRE

15C

BANVEL

4SC

0.36

PRE

16A

DUAL

8EC

2.00

PRE

82

80

16B

ATRAZINE

90DG

1.20

PRE

17

CHECK

0

0

18A

DUAL

8EC

2.00

PRE

92

88

18B

AC-5 13-655

4.8FL

1.20

PRE

19A

PROWL

4EC

1.25

PRE

55

85

19B

AC-513-655

4.8FL

1.20

PRE

164

it
l
ii
II

l

i*

I

GIFT
6/08

COLQ
6/08

20

EL- 177

21

EL- 177

22A

EL-177

22B

ATRAZINE

23A

EL-177

23B

ATRAZINE

24A

EL-177

24B

ATRAZINE

24C

LASSO

25A

LASSO

25B

BANVEL

26

BAS-514

27

BAS-514

28A

BAS-514

28B

ATRAZINE

29A

BAS-514

29B

ATRAZINE

30

CHECK

CV

LSD

80DF

0.25

80DF

0.30

80DF

0.25

90DG

1.00

80DF

0.25

90DG

1.25

80DF

0.25

90DG

1.00

4EC

1.00

4EC

2.25

4SC

0.50

50WP

0.50

50WP

1.00

50WP

0.50

90DG

1.50

50WP

0.50

90DG

1.50

PRE

0

70

PRE

0

83

PRE
PRE

23

80

PRE

17

92

PRE

PRE

70

92

PRE

PRE

PRE

88

90

PRE

PRE

13

37

PRE

27

57

PRE

90

90

PRE

PRE

83

90

PRE

0

22

20

0

14
17

165

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN 1 (BRNSTN)

Trial State

:IL

Trial Location

rBROWNSTOWN, IL

Trial Zipcode

:62481

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB

Soil Texture :

SILT

Number of Replicates

: 3

Soil O.M. % :

1.5

Plot Wd X Lth (Ft)

: 7.5 40.0

Soil pH

7.0

Tillage Type

: CONVENTIONAL

Soil Name

:CISNE

Seedbed Description

: CLODDY

Metero. Station:

Ground cover & %

:0

previous crop

previous pest.

Lcide

year

SOYBEANS

1987

CROP

Trial Crop

:CORN

Crop Variety

[PIONEER 3377

Planting Date

: 04/21/88

Planting Method

[MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate (plants/acre)

: 24000

Row Spacing (in)

:30.0

Soil Temp (F) @ Plant :

: 60

Soil Moisture § Planting :

: ADEQUATE

Pest

TRIAL APPLICATION

PEST GROWTH

PEST

PEST

HEIGH

PEST CODE

STAGE

DENSITY

min

max

COLQ POST

MANY LF

HIGH

4.0

8.0

GIFT POST

6-8 LF

MED

4 0

JIWE POST

4 LF

MED

2.0

6.0

TAWH POST

6

LF

MED

2.0

4.0

LOAM

166

i
I

!

li
II
I

II

In

i

i

i

i
i

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

POST

05/25/88

Nozzle Spacing (In)

20

08:00A

Boom Length (Ft)

7. 5

40

Boom Height (In)

20

8002

Incorporation Equip

60

Elapsed Time to Inco

rp.

50

Incorp. Depth (In)

5.0

Percent Cloud Cover

:0

WATER

Dew Presence (Y/N)

:N

HANDHELD

Ground Speed (MPH)

:3.0

20.0

Soil Temp (F) :

70

DRY

hrs.

COMMENTS

Accent (DPXV9360) and KIH 2665 provided better giant foxtail control than did Beacon,
SB63596 or Tandem + atrazine. BAS 514 caused significant injury to corn.

167

1A

BEACON

IB

X-77

2A

BEACON

2B

X-77

3A

DPXV9360

3B

X-77

4A

DPXV9360

4B

X-77

5A

SB63596

5B

X-77

6A

SB63596

6B

X-77

7A

KIH-2665

7B

X-77

8A

KIH-2665

8B

X-77

9A

TANDEM

9B

ATRAZINE

9C

COC

10A

TANDEM

10B

ATRAZINE

IOC

BLADEX

10D

COC

11A

TANDEM

11B

ATRAZINE

11C

COC

12A

BAS514

12B

COC

13A

BAS514

13B

DASH

14A

BAS514

14B

BAS0902

C.I.

GIFT

COLQ

6/08

6/08

6/08

75WG

12G

POST

13

60

47

%/V

0.25

POST

75WG

16G

POST

7

67

70

%/V

0.25

POST

75DF

.5Z

POST

13

83

17

%/V

0.25

POST

75DF

0.75Z

POST

10

90

37

%/V

0.25

POST

0.89EC

30G

POST

0

50

30

%/V

0.05

POST

0.89EC

40G

POST

0

50

37

%/V

0.05

POST

1.5FL

0.10

POST

0

87

90

%/V

0.25

POST

1.5FL

0.125

POST

0

87

96

%/V

0.25

POST

4EC

0.5

POST

0

53

99

90DF

1.5

POST

4L

1Q

POST

4EC

0.5

POST

18

78

99

90DF

0.8

POST

90DF

0.8

POST

4L

1QT

POST

4EC

0.75

POST

8

65

99

90DF

2.0

POST

4L

1QT

POST

50WP

0.5

POST

47

90

33

4L

1QT

POST

50WP

0.5

POST

47

99

43

4L

1QT

POST

50WP

0.5

POST

83

99

90

4L

1QT

POST

I
J
I

I

I

168

ll
ii

I!
II

It
If
II

l:
I

I
I

C.I. GIFT COLQ
6/08 6/08 6/08

15 CHECK 0 0 0

CV 28 14 17

LSD 8 17 16

169

BACKGROUND

Trial Title : POSTEMERGENCE WEED CONTROL IN CORN 2 (BROWNSTOWN)

Trial State : IL

Trial Location : BROWNSTOWN, IL

Trial Zipcode : 62481

Prime Investigator :CANTWELL/LIEBL/WAX

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

RCB

3

7.5 40.0
CONVENTIONAL
CLODDY
0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station:

SILT

1.5

7.0

CISNE

LOAM

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop
Crop Variety
Planting Date
Planting Method
Planting Depth (in)
Seeding Rate (plants/acre)
Row Spacing (in)
Soil Temp (F) @ Plant
Soil Moisture @ Planting

CORN

PIONEER 9442
04/21/88
MECHANICAL

1.5

24000
30.0

60
ADEQUATE

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PESTHEIGHT (In)

PEST

CODE

STAGE

DENSITY

min max

COLQ

POST

MANY LF

HIGH

4.0 8.0

GIFT

POST

6-8 LF

MED

4 0

J I WE

POST

4 LF

MED

2.0 6.0

TAWH

POST

6 LF

MED

2.0 4.0

170

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App,

POST

05/25/88

08:00A

40
8002

60
50

5.0
WATER
HANDHELD
20.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

20

7.5

20

0

N

3.0

hrs.

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App,

:PRE

05/18/8

06:00A

40
8003

60
70

5.0
WATER
HANDHELD
25.0
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
10

20

0
N
3

65

hrs

COMMENTS

The grass control was very poor due to weed emergence prior to application of Dual. However,
the lambsquarters control was good with all treatments except the Tough and EF-689.

171

C.I. GIFT COLQ
6/08 6/08 6/08

1

1A

DUAL

8E

1.5

PRE

IB

2.4-D

3.8E

0.38

POST

2A

DUAL

8E

1.5

PRE

2B

BANVEL

4SC

0.25

POST

3A

DUAL

8E

1.5

PRE

3B

LADDOCK

3.33

.83

POST

3C

COC

4L

1QT

POST

4A

DUAL

8E

1.5

PRE

4B

LADDOCK

3.33

.83

POST

4C

DASH

4L

1QT

POST

5A

DUAL

8E

1.5

PRE

5B

LADDOCK

3.33

.83

POST

5C

28N

4L

4QT

POST

6A

DUAL

8E

1.5

PRE

6B

BASAGRAN

4L

0.5

POST

6C

COC

4L

1QT

POST

7A

DUAL

8E

1.5

PRE

7B

DPXM6316

75DF

0.094Z

POST

7C

X-77

%/V

0.25

POST

8A

DUAL

8E

1.5

PRE

8B

BUCTRIL

2EC

0.25

POST

9A

DUAL

8E

1.5

PRE

9B

BUCTRIL

2EC

0.25

POST

9C

ATRAZINE

90DF

0.5

POST

10A

DUAL

8E

1.5

PRE

10B

MARKSMAN

3.2L

1.4

POST

11A

DUAL

8E

1.5

PRE

11B

TOUGH

3.75EC

0.45

POST

12A

DUAL

8E

1.5

PRE

12B

EF-689

1.67EC

0.5Z

POST

13A

DUAL

8E

1.5

PRE

13B

EF-689

1.67EC

1.0Z

POST

8

0

0

0

0

0

10

10

0

0

0

0

0

0

0

0

0

0

0

92

77

96

99

98

80

90

99

99

99

67

60

20

172

i

i

C.I. GIFT COLQ
6/08 6/08 6/08

14 CHECK • 0 0 0

CV 7 3 7

LSD 8 16

173

BACKGROUND

Trial Title : PREEMERGENCE WEED CONTROL

Trial State :IL

Trial State
Trial Location
Trial Zipcode
Prime Investigator

IN SOYBEANS

: BROWNSTOWN

:62418

:C/L/W/M

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

RCB

3
10.0 40.0
CONVENTIONAL
CLODDY
0

Soil Texture
Soil O.M. %
Soil pH
Soil Name
Metero. Station

SILT LOAM

2.0

7.0
CISNE

previous pesticide

year
1987

CROP

Trial Crop :

: SOYBEANS

Crop Variety

:WILIAMS

Planting Date :

: 5/11/88

Planting Method

[MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate (seeds/ foot) :

:10

Row Spacing (in) :

:30.0

Soil Temp (F) @ Plant :

: 75

Soil Moisture @ Planting :

•ADQ

Pest

TRIAL APPLICATION PEST GROWTH

PEST

PEST CODE STAGE

DENSITY

GIFT PRE

HIGH

VELE PRE

MED

CORW PRE

MED

PEST HEIGHT (In)
min max

174

I

t
l

n
l
l

II
i

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Temp (F)
Soil Moisture § App.

:PRE

05/12/88

10:00A

30
8002

75

70
10.0
WATER
HANDHELD
20.0

65
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)

20

7.5
20

0

N

3.0

COMMENTS

Dry weather following herbicide application resulted in only fair weed control by most
combinations. Treatments including Command controlled the most weeds.

175

GIFT

VELE

CORW

7/12

7/12

7/12

= ====

==========

========

=======

=======

======

= = = = =

= = = = :

1

BAS514

50WP

0.25

PRE

50

0

90

2

BAS514

50WP

0.5

PRE

75

50

90

3

SB-53482

50WP

10G

PRE

0

0

0

4

SB-53482

50WP

20G

PRE

0

0

0

5

SB-53482

50WP

30G

PRE

0

90

0

6

SCEPTER

1.5AS

0.094

PRE

90

0

50

7

SCEPTER

1.5AS

0.125

PRE

90

0

50

8

PURSUIT

2.0AS

0.063

PRE

90

50

50

9

PREVIEW

75DF

0.30

PRE

70

70

50

10

PREVIEW

75DF

0.40

PRE

50

50

50

11

SENCOR

75DF

0.38

PRE

50

50

50

12

COMMAND

4EC

0.75

PRE

90

70

90

13

COMMAND

4EC

1.0

PRE

99

66

77

14

CHECK

0

0

0

15A

SCEPTER

1.5AS

0.094

PRE

73

0

90

15B

DUAL

8E

1.75

PRE

16A

SCEPTER

1.5AS

0.125

PRE

90

0

0

16B

DUAL

8E

1.75

PRE

17A

PURSUIT

2.0AS

0.063

PRE

90

0

80

17B

DUAL

8E

1.75

PRE

18A

PREVIEW

75DF

0.30

PRE

87

17

77

18B

DUAL

8E

1.75

PRE

19A

SENCOR

75DF

0.38

PRE

86

66

77

19B

DUAL

8E

1.75

PRE

20A

COMMAND

4E

0.75

PRE

96

89

83

20B

PURSUIT

2AS

0.063

PRE

21A

COMMAND

4E

0.75

PRE

90

70

70

21B

SCEPTER

1.5AS

0.094

PRE

176

i
■ I

I

i
i
l

it

I

ti

t!

II

I!

I!

II
II
II

GIFT VELE CORW
7/12 7/12 7/12

to to
to to

03 >

COMMAND

PREVIEW

4E
75DF

0.75
0.30

PRE
PRE

99

80

90

23A
23B

COMMAND
SENCOR

4E
75DF

0.75
0.38

PRE
PRE

99

90

99

24

CHECK

0

0

0

25

PROWL

4EC

1.0

PRE

50

70

80

26A
26B

PROWL
SCEPTER

4EC
1.5AS

1.0

0.125

PRE
PRE

70

70

80

27A
27B

PROWL
PREVIEW

4EC
75DF

1.0
0.3

PRE
PRE

60

60

50

28

CHLORIMURON

25DF

0.036

PRE

0

95

0

29

AMIBEN

75DF

3.0

PRE

50

80

50

30

LASSO

4MT

2.5

PRE

50

0

0

31A
31B

LASSO
SENCOR

4MT
75DF

2.0
0.38

PRE
PRE

50

50

70

32A
32B

LASSO
LOROX

4MT
50DF

2.0
0.5

PRE
PRE

70

70

90

CV

LSD

6
6

29

21

9
8

177

BACKGROUND

Trial Title : BROWNS TOWN SOYBEAN POSTEMERGENCE I

Trial State :IL

Trial Location : BROWNSTOWN

Trial Zipcode : 62418

Prime Investigator :C/L/W

SITE

Experimental Design

:RCB

Soil

Texture :

SILT

Number of Replicates

: 3

Soil

O.M. % :

2.0

Plot Wd X Lth (Ft)

:10.0 40.0 Soil

pH :

7.0

Tillage Type

: CONVENTIONAL Soil

Name :

CISNE

Seedbed Description

: CLODDY Metero. Station:

Ground cover & %

:20

previous crop

previous pesticide

year

CORN

1987

CROP

Trial Crop

: SOYBEANS

Crop Variety

[WILLIAMS

Planting Date

: 05/11/88

Planting Method

: MECHANICAL

Planting Depth (in)

: 1.5

Seeding Rate (seeds/foot) :

: 10

Row Spacing (in)

:30.0

Soil Temp (F) @ Plant

: 65

Soil Moisture @ Plant

ing :

:DRY

LOAM

Pest

TRIAL

PEST

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

COCB
COLQ
J I WE
SMPW
SOYS

POST
POST
POST
POST
POST

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
SoilMoisture § App.

4

10-20

4

3

3

POST

06/08/88

07:00A

40
8002

85
50

5.0
WATER
HANDHELD
20.0
DRY

LF
LF
LF
LF
TRIF

LOW
LOW
LOW
LOW

2

4
2
2

4

0
0
0
0

0

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

178

4
12
4
4
6

0
0
0
0
0

18

7.5

20

50
N

3.0

75

I

I
i
I
I

I

COLQ VELE COCB JIWE
7/5 7/5 7/5 7/5

1A

TORNADO

1.75EC

0.43

POST

IB

COC

4L

IQT

POST

2A

TORNADO

1.75EC

0.43

POST

2B

DASH

4L

IQT

POST

3A

POAST

1.5EC

0.15

POST

3B

BASAGRAN

4S

0.75

POST

3C

COC

4L

IQT

POST

4A

POAST

1.5EC

0.15

POST

4B

BASAGRAN

4S

0.75

POST

4C

DASH

4L

IQT

POST

5A

SELECT

2EC

0.1

POST

5B

COBRA

2EC

0.2

POST

5C

COC

4L

0.5QT

POST

6A

SELECT

2EC

0.1

POST

6B

COBRA

2EC

0.2

POST

6C

•

DASH

4L

1.0QT

POST

7A

COBRA

2EC

0.2

POST

7B

COC

4L

0.5

POST

8A

COBRA

2EC

0.2

POST

8B

28N

4L

4QT

POST

9A

PURSUIT

2SC

0.063

POST

9B

COC

4L

IQT

POST

10A

PURSUIT

2SC

0.063

POST

10B

28N

4L

4QT

POST

IOC

X77

%/V

0.25

POST

11A

SCEPTER

1.5SC

0.094

POST

11B

28N

4L

4QT

POST

11C

X77

%/V

0.25

POST

12A

SCEPTER

1.5SC

0.063

POST

12B

28N

4L

4QT

POST

12C

X77

%/V

0.25

POST

13A

CLASSIC

25DF

3.69G

POST

13B

28N

4L

4QT

POST

13C

X77

%/V

0.25

POST

43 85 37 93

25

30

0

0

0

0

17

0

0

85

>5

93

99

99

99

33

20

99

66

93

99

99

99

95

96

93

95

93

93

43 87 88 93

10 98 96 99

99 99 99

98

99

93

97

65

50

85

179

COLQ VELE COCB JIWE
7/5 7/5 7/5 7/5

14A

CLASSIC

25DF

5.5G

POST

14B

28N

4L

4QT

POST

14C

X77

%/V

0.25

POST

15A

DPXM6316

25DF

1.82G

POST

15B

28N

4L

4QT

POST

15C

X77

%/V

0.25

POST

16A

CLASSIC

25DF

3.69G

POST

16B

DPXM6316

25DF

1.82G

POST

16C

28N

4L

4QT

POST

16D

X77

%/V

0.25

POST

0

99 96 99

47 98 63 10

70 99 93 96

17

24-DB

2EC

0.031

POST

10 3

18A

GALAXY

18B

COC

19A

STORM

19B

COC

20A

GALAXY

20B

COC

21A

STORM

21B

COC

22A

BASAGRAN

22B

COC

23A

BASAGRAN

23B

24-DB

23C

COC

24

SB23031

25

SB23031

CV

LSD

3.67EC

0.92

POST

4L

IQT

POST

4EC

0.75

POST

4L

0.5QT

POST

3.67EC

0.69

POST

4L

IQT

POST

4EC

0.56

POST

4L

0.5QT

POST

4S

0.75

POST

4L

IQT

POST

4S

0.75

POST

2EC

0.031

POST

4L

0.25QT

POST

0.89

26G

POST

0.89

26G

POST

20 80 85 95

67 37 88

40 72 82 99

17 23 37 96

17 87 93 93

67 82 83

75 43 13

77 43 17

92 16 14 13
23 20 18 17

l

II
I

l

I

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l

180

l

i

BACKROUND
Trial Title

rBROWNSTOWN SOYBEANS
Trial State :IL

Trial Location rBROWNSTOWN
Trial Zipcode : 62418
Prime Investigator :CANTWELL/LIEBL/WAX

POSTEMERGENCE II

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

:RCB
:3

:10.0 40.0
: CONVENTIONAL
: CLODDY
:20

Soil Texture

Soil O.M. %

Soil pH

Soil Name

:SILT LOAM
:2.0
:6.8
:CISNE

Metero. Station:

previous crop
CORN

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

SOYBEANS

WILIAMS

5/11/88

MECHANICAL

1.5

10

30

75

DRY

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST

HEIGHT

PEST

CODE

STAGE

DENSITY

min

max

SOYS

POST

3 TRIF

4

6

COCB

POST

4 LF

MED

2

4

COLQ

POST

10-20 LF

MED

4

12

J I WE

POST

4 LF

MED

2

4

SMPW

POST

3 LF

MED

2

4

(In)

181

Application Code
Date of Application
Date of Application
Pressure (PSI)
Nozzle Type
Temp ( F )

Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

POST

06/08/88

Nozzle Spacing (In)

:18

0700

Boom Length (Ft)

:7.5

40

Boom Height (In)

:20

8002

Incorporation Equip

85

Elapsed Time to Incorp.

50

Incorp. Depth (In)

5

Percent Cloud Cover

:50

WATER

Dew Presence (Y/N)

:N

HANDHELD

Ground Speed (MPH)

:3

20

Soil Temp (F)

:75

DRY

COMMENTS

hrs.

Weeds and crop were drought stressed at application. Many cocklebur were severely
burned by treatments, yet recovered.

i
i

i

i
i

182

I

I

GIFT COCB JIWE ILMG
6/23 6/23 6/23 6/23

1A

COBRA

IB

COC

2A

COBRA

2B

28%N

3A

COBRA

3B

X-77

4A

COBRA

4B

BASAGRAN

4C

28%N

5A

COBRA

5B

CLASSIC

5C

X-77

CHECK

7A

COBRA

7B

SCEPTER

7C

X-77

8A

COBRA

8B

2.4-DB

8C

X-77

9A

COBRA

9B

SELECT

9C

X-77

10A

COBRA

10B

SELECT

IOC

COC

2EC

0.20

POST

0

58

98

90

4L

0.5QT

POST

2EC

0.20

POST

0

50

98

90

4L

4.0Q

POST

2EC

0.20

POST

0

60

91

90

%/V

0.25

POST

2EC

0.15

POST

0

82

99

90

4EC

0.50

POST

4L

4.0Q

POST

2EC

0.15

POST

0

83

95

93

25DF

2.7G

POST

%/V

0.25

POST

POST

0

0

0

0

2EC

0.20

POST

95

73

99

92

1.5SC

0.05

POST

%/V

0.25

POST

2EC

0.15

POST

0

68

99

90

2EC

0.031

POST

%/V

0.25

POST

2EC

0.20

POST

93

50

99

90

2EC

0.125

POST

%/V

0.25

POST

2EC

0.20

POST

96

50

99

90

2EC

0.125

POST

4L

0.5Q

POST

CV
LSD

6 16 4 2

3 15 6 3

183

BACKGROUND

Trial Title :1988 POSTEMERGENCE WEED CONTROL IN WHEAT

Trial Location

:BROWNSTOWN, IL

Trial Zipcode

:62418

Prime Investigator

: CANTWELL/LIEBL/WAX

SITE

Experimental Design

:RCB

Soil Texture :

SILTY

Number of Replicates

: 4

Soil O.M. % :

0.0

Plot Wd X Lth (Ft)

:10.0 X 28.0

Soil pH :

0.0

Tillage Type

: CONVENTIONAL

Soil Name :

CISNE

Ground cover & %

:SOIL 100%

Fert. Level :

Seedbed Description

:CONV. TILL

Metero. Station:

Previous Crop

Previous Pestic:

Lde Year

SOYBEANS

VARIOUS TRTS.

1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seed/ foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

WHEAT
CALDWELL
10/05/87
DRILL

1.0
90

7.0

65
VERY MOIST

i

I
I

CLAY LOAN

I
I

li

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

EPOS

04/05/88

08:00

40
8002

75
70

8.0
WATER
HANDHELD
20.0
ADQ

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 0

N

20
10
20

0
0.0
0
[
3.0

hrs.

i
1

i
i

184

i

l

i

i

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

LPOS

04/22/88

13:00

40
8002

80
80

8.0
WATER
HANDHELD
20.0
ADQ

Nozzle Spacing (in)
Boom Length (Ft)
Boom Height (in)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (in)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

0
0

20
10
20

0
0

N

3.0
0

hrs

COMMENTS
Test area was seeded with smartweed, mustard, and millet and "lightly" disked in early March to
promote weed emergence. However, no weed emergence occurred. SB-23121 crop injury was a
burning of leaf tips. The effect was worse at the later applications; however, no effect on yield was
observed.

185

YIELD

C.I.

C.I.

C.I.

C.I.

C.I.

C.I.

BU/A

4/8

4/12

4/19

4/25

4/29

5/6

= = =

=======

= = = = =

=======

========

======

: = = =

= = = = =

= = = =

= = = =

= = = = =

= = = =

1

SB-23121

0.9EC

.125Z

EPOS

38

0

0

0

0

0

0

2

SB-23121

0.9EC

.125Z

LPOS

37

0

0

0

5

10

0

3

SB-23121

0.9EC

.25Z

EPOS

37

5

3

0

0

0

0

4

SB-23121

0.9EC

.25Z

LPOS

37

0

0

0

5

25

5

5

SB-23121

0.9EC

.375Z

EPOS

37

5

7

0

0

0

0

6

SB-23121

0.9EC

.375Z

LPOS

37

0

0

0

5

25

5

7

SB-23121

0.9EC

.5Z

EPOS

36

5

6

0

0

0

0

8

SB-23121

0.9EC

.5Z

LPOS

36

0

0

0

5

35

5

9A

SB-23121

0.9EC

.125Z

EPOS

36

5

5

0

0

0

0

9B

2.4-D

3.8EC

3.0Z

EPOS

10A

SB-23121

0.9EC

.125Z

LPOS

37

0

0

0

5

10

0

10B

2.4-D

3.8EC

3.0Z

LPOS

11A

SB-23121

0.9EC

.25Z

EPOS

37

5

6

0

0

0

0

11B

2.4-D

3.8EC

3.0Z

EPOS

12A

SB-23121

0.9EC

.25Z

LPOS

36

0

0

0

5

20

5

12B

2.4-D

3.8EC

3.0Z

LPOS

13A

SB-23121

0.9EC

.375Z

EPOS

37

5

6

0

0

0

0

13B

2.4-D

3.8EC

3.0Z

EPOS

14A

SB-23121

0.9EC

.375Z

LPOS

36

0

0

0

5

25

5

14B

2.4-D

3.8EC

3.0Z

LPOS

15A

SB-23121

0.9EC

.125Z

EPOS

37

10

18

5

0

0

0

15B

MCPA

4.0EC

3.0Z

EPOS

16A

SB-23121

0.9EC

.125Z

LPSO

36

0

0

0

12

20

5

16B

MCPA

4.0EC

3.0Z

LPOS

17A

SB-23121

0.9EC

.25Z

EPOS

37

10

22

5

0

0

0

17B

MCPA

4.0EC

3.0Z

EPOS

18A

SB-23121

0.9EC

.25Z

LPOS

36

0

0

0

15

30

5

18B

MCPA

4.0EC

3.0Z

LPOS

I

186

I
I

li
II
I
l
l
l
I
l

-

YIELD

C.I.

C.I.

C.I.

C.I.

C.I.

C.I.

BU/A

4/8

4/12

4/19

4/25

4/29

5/6

19A

SB-23121 0.9EC

.375Z

EPOS

37

10

22

5

0

0

0

19B

MCPA . 4.0EC

3.0Z

EPOS

20A

SB-23121 0.9EC

.375Z

LPOS

37

0

0

0

12

30

5

20B

MCPA 4.0EC

3.0Z

LPOS

21

HARMONY25%DG

.25Z

EPOS

37

0

0

0

0

0

0

22

HARMONY 25 %DG

.25Z

LPOS

37

0

0

0

0

0

0

23

2.4-D 3.8EC

3.0Z

EPOS

37

0

0

0

0

0

0

24

2.4-D 3.8EC

3.0Z

LPOS

36

0

0

0

0

0

0

25

2.4-D 3.8EC

6.0Z

EPOS

37

0

0

0

0

0

0

26

2.4-D 3.8EC

6.0Z

LPOS

36

0

0

0

0

0

0

27

MCPA 4.0EC

3.0Z

EPOS

37

0

0

0

0

0

0

28

MCPA 4.0EC

3.0Z

LPOS

36

0

0

0

0

0

0

29

MCPA 4.0EC

6.0Z

EPOS

37

0

0

0

0

0

0

30

MCPA 4.0EC

6.0Z

LPOS

36

0

0

0

0

0

0

31

BROMOXY 3.8EC

6.0Z

EPOS

36

5

5

0

0

0

0

32

BROMOXY 3.8EC

6.0Z

LPOS

36

0

0

0

5

10

5

33

2.4-D 3.8EC

6.0Z

EPOS

37

0

0

0

0

0

0

34

2.4-D 3.8EC

6.0Z

LPOS

36

0

0

0

0

0

0

35

HRMONY+75DF

.25Z

EPOS

37

0

0

0

0

0

0

36

HRMONY+75DF

.25Z

LPOS

36

0

0

0

0

0

0

37

EXPRESS 75DF

.25Z

EPOS

37

0

0

0

0

0

0

38

EXPRESS 75DF

.25Z

LPOS

36

0

0

0

0

0

0

39

CHECK

37

0

0

0

0

0

0

40

CHECK

37

0

0

0

0

0

0

CV

2

5

10

3

3

8

3

LSD

1

1

4

1

1

4

1

187

BACKGROUND

Trial Title : POSTEMERGENCE

Trial State : ILL

Trial Location

Trial Zipcode

Prime Investigator

JOGR CONTROL IN CORN

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

DIXON SPRINGS

C/L/W

%

RCB
3

10 25
CONVENTIONAL
TRASHY
20%

Soil Texture

Soil O.M. %

Soil pH

Soil Name : SHARON SILT

Metero. Station:

SILT LOAM
1.5
6.6

I
i
i

I

I
1

previous crop
SOYBEANS

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ ACRE)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture @ Planting

Pest

TRIAL

PEST

CORN

PIONEER 3 471

5/13/88

MECHANICAL

1.5

26,000

30

75

ADEQUATE

I
I

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

JOGR
SMGC
BRMG
CORN

POST
POST
POST
POST

3-9
3-6
20
6

LEAF
LEAF
LEAF
LEAF

MED

LIGHT

MED

3
2
2

16

12

6

36

188

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

EPOST

06/09/88

1:00P

40

8002 FF

65

40

6-8

WATER

BKPK

2 0GPA

MOIST

LPOST

6/20/88

11:00a

40

8003

85

75

5

WATER

HAND-HELD

20

ADQ

Nozzle Spacing (In) :20

Boom Length (Ft) :7.5

Boom Height (In) : 18

Incorporation Equip :

Elapsed Time to Incorp. : hrs.

Incorp. Depth (In) :

Percent Cloud Cover :40

Dew Presence (Y/N) :N

Ground Speed (MPH) :3

Soil Temp (F) :80

Nozzle Spacing (In) :20

Boom Length (Ft) : 10

Boom Height (In) : 20

Incorporation Equip. :

Elapsed Time to Incorp.: hrs.

Incorp. Depth (In) :

Percent Cloud Cover : 0

Dew Presence (Y/N) :N

Ground Speed (MPH) :3

Soil Temp (F) :80

189

1A

TANDEM

IB

BLADEX

2A

TANDEM

2B

ATRAZINE

2C

BLADEX

2D

X-77

3A

TANDEM

3B

BLADEX

3C

LASSO

4A

TANDEM

4B

BLADEX

4C

LASSO

5A

TANDEM

5B

BLADEX

5C

DUAL

6A

TANDEM

6B

BLADEX

6C

DUAL

7A

TANDEM

7B

BLADEX

7C

DUAL

8A

TANDEM

8B

BLADEX

8C

DUAL

9

CHECK

10A

BEACON

10B

X-77

11A

BEACON

11B

X-77

12A

DPXV9360

12B

COC

13A

DPXV9360

13B

COC

14A

KIH-2665

14B

X-77

JOGR

7/06

4EC

0.75

EPOST

0

4L

2.50

EPOST

4EC

0.75

EPOST

13

90DG

1.00

EPOST

4L

1.00

EPOST

%/V

0.25

EPOST

4EC

0.50

EPOST

0

4L

2.00

EPOST

4E

2.00

EPOST

4EC

0.50

EPOST

0

4L

2.00

EPOST

4E

3.00

EPOST

4EC

0.50

EPOST

0

4L

2.00

EPOST

8EC

1.67

EPOST

4EC

0.50

EPOST

0

4L

2.00

EPOST

8EC

2.50

EPOST

4EC

0.75

EPOST

0

4L

2.00

EPOST

8EC

1.00

EPOST

4EC

0.75

EPOST

0

4L

2.00

EPOST

8EC

2.00

EPOST

0

75WG

12G

EPOST

10

%/V

0.25

EPOST

75WG

16G

EPOST

8

%/V

0.25

EPOST

75DF

0.5Z

EPOST

97

4L

1.0Q

EPOST

75DF

0.75Z

EPOST

99

4L

1.0Q

EPOST

1.5F

0.05

EPOST

83

%/V

0.25

EPOST

I
1

I

I

I

'

190

15A

KIH-2665

15B

X-77

16A

SB63596

16B

X-77

17A

SB63596

17B

X-77

18A

BEACON

18B

X-77

19A

BEACON

19B

X-77

20A

DPXV9360

20B

COC

21A

DPXV9360

21B

COC

22A

KIH-2665

22B

X-77

23A

KIH-2665

23B

X-77

24A

SB63596

24B

X-77

25A

SB63596

25B

X-77

26A

BEACON

26B

X-77

26C

BEACON

26D

X-77

-

JOGR
7/06

ESSSSSS

=======

========

= = = = r=

1.5F

0.10

EPOST

84

%/V

0.25

EPOST

0.89EC

30G

EPOST

15

%/V

0.05

EPOST

0.89EC

40G

EPOST

0

%/V

0.05

EPOST

75WG

12G

LPOST

17

%/V

0.25

LPOST

75WG

16G

LPOST

20

%/V

0.25

LPOST

75DF

0.50Z

LPOST

91

4L

1.0Q

LPOST

75DF

0.75Z

LPOST

91

4L

1.0Q

LPOST

1.5F

0.05

LPOST

57

%/V

0.25

LPOST

1.5F

0.10

LPOST

79

%/V

0.25

LPOST

0.89EC

30G

LPOST

13

%/V

0.05

LPOST

0.89EC

40G

LPOST

47

%/V

0.05

LPOST

75WG

6.0G

EPOST

30

%/V

0.25

EPOST

75WG

6.0G

LPOST

%/V

0.25

LPOST

27

CV

LSD

CHECK

31

15

191

BACKGROUND

Trial Title : POSTEMEGENCE

Trial State :ILL

Trial Location

Trial Zipcode

Prime Investigator

BDLF WEED CONTROL § DIXON SPRINGS

MORSE BOTTOM

I
l
I

WAX/LIEBL/EBELHARE

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover &

%

RCB
3

10 X 25

CONVENTIONAL
CLODDY
10

Soil Texture

Soil O.M. %

Soil pH

Soil Name

SILT LOAM
1.5
6.6
SHARON SILT LOA

Metero. Station:

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

previous pesticide

SOYBEAN
PIONEER 9442
5/18/88
MECHANICAL
1.5

10

30

75

ADQ

year
1987

Pest

TRIAL

PEST

ILMG
YENS
SOYS

APPLICATION
CODE

POST
POST

PEST GROWTH
STAGE

2-3 LF
3 LF
1 TRIF

PEST
DENSITY

MOD
MOD

PEST HEIGHT (In)
min max

2

5
4

192

l
1

li
li
li
l

I!
I!
I
II

I!
I
I
I

I

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

PRE

5/17/88

2:00

25

8003

75

60

8 S

WATER

HAND-HELD

20

ADEQUATE

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) : 70

20
10
20

0
N
3

hrs.

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App

POST

6/9/88

1:00

35

8002

80

50

3 SW

WATER

HAND-HELD

20

ADEQUATE

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip.
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F)

20
10
20

0
N
3
75

hrs

COMMENTS
Ratings 06/09 apply only to pretreatments or the "pre" portion of a combination treatment. Zero
values for post treatments (applied 06/09) should be disregarded for 06/09 ratings.

193

I

ILMG

ILMG

YENS

6/09

7/06

6/09

= = =

==========

=========

========

======

=======

: = = = =

= = = =

1A

REFLEX

2EC

0.313

POST

0

87

0

IB

coc

4L

1.0Q

POST

1C

FUSILADE

1EC

0.20

7DL

2A

REFLEX

2EC

0.313

POST

0

94

0

2B

2.4-DB

2EC

0.031

POST

2C

COC

4L

0.5Q

POST

2D

FUSILADE

1EC

0.20

7DL

3A

REFLEX

2EC

0.253

POST

0

95

0

3B

CLASSIC

25DF

0.008

POST

3C

COC

4L

1.0Q

POST

3D

FUSILADE

1EC

0.20

7DL

4A

REFLEX

2EC

0.253

POST

0

96

0

4B

BASAGRAN

4EC

0.50

POST

4C

COC

4L

1.0Q

POST

4D

FUSILADE

1EC

0.20

7DL

5A

TORNADO

1.75E

0.44

POST

0

93

0

5B

COC

4L

1.0Q

POST

6A

TORNADO

1.75E

0.44

POST

0

93

0

6B

BASAGRAN

4EC

0.50

POST

6C

COC

4L

1.0Q

POST

7A

BLAZER

2EC

0.38

POST

0

94

0

7B

POAST

1.5L

0.20

POST

7C

COC

4L

1.0Q

POST

8

CHECK

0

0

0

9

COMMAND

4EC

0.75

PRE

20

5

37

10

SCEPTER

1.5SC

0.094

PRE

78

42

57

11

PREVIEW

75DF

0.40

PRE

11

43

67

12

PURSUIT

2SC

0.063

PRE

80

73

11

13A

COMMAND

4EC

0.75

PRE

72

27

67

13B

SCEPTER

1.5SC

0.094

PRE

14A

COMMAND

4EC

0.75

PRE

78

68

11

14B

PREVIEW

75DF

0.40

PRE

15A

COMMAND

4EC

0.75

PRE

80

57

82

15B

PURSUIT

2SC

0.063

PRE

I
I

194

1

I

l
I

II
I

I!
I
I
I

ILMG

ILMG

YENS

6/09

7/06

6/09

:

— — — — — — — — — —

— — — — "^ — — —

5 = = i= =r ^ =

= = = = = =

: = = = =

= = = =

16A

COMMAND

4EC

0.60

PRE

40

86

30

16B

PURSUIT

2SC

0.063

POST

16C

X-77

%/V

0.25

POST

17A

COMMAND

4EC

0.60

PRE

20

27

30

17B

COBRA

2EC

0.20

POST

17C

X-77

%/V

0.25

POST

18A

COMMAND

4EC

0.60

PRE

0

94

0

18B

BLAZER

2EC

0.38

POST

18C

X-77

%/V

0.25

POST

19A

COMMAND

4EC

0.60

PRE

27

13

37

19B

SCEPTER

1.5SC

0.094

POST

19C

X-77

%/V

0.25

POST

20A

COMMAND

4EC

0.60

PRE

13

78

23

20B

CLASSIC

25DF

0.008

POST

20C

X-77

%/V

0.25

POST

21A

COMMAND

4EC

0.60

PRE

20

83

37

21B

CLASSIC

25DF

0.008

POST

21C

PINNACLE

25DF

0.003

POST

21D

X-77

%/V

0.25

POST

22A

COMMAND

4EC

0.60

PRE

13

7

17

23A

COMMAND

4EC

0.60

PRE

0

89

0

23B

BASAGRAN

4EC

0.75

POST

23C

2.4-DB

2EC

0.03

POST

23D

COC

4L

1.0QT

POST

24A

COMMAND

4EC

0.60

PRE

0

83

0

24B

BLAZER

2EC

0.25

POST

24C

BASAGRAN

4EC

0.50

POST

24D

X-77

%/V

0.25

POST

25A

COMMAND

4EC

0.60

PRE

17

92

27

25B

BLAZER

2EC

0.25

POST

25C

BASAGRAN

4EC

0.50

POST

25D

COC

4L

1.0Q

POST

26A

COMMAND

4EC

0.60

PRE

3

90

3

26B

BLAZER

2EC

0.25

POST

26C

BASAGRAN

4EC

0.50

POST

26D

DASH

4FL

2.0Q

POST

195

ILMG
6/09

ILMG
7/06

YENS
6/09

= = =

==========

=======

=======

= r= T3 zz: zz: zz: zz:

======

rzz = = Z3

r=z rzz zz: —

27A
27B
27C
27D

COMMAND
BLAZER
BASAGRAN
28%N

4EC
2EC
4EC
4L

0.60
0.25
0.50
4.0Q

PRE
POST
POST
POST

13

95

23

28 CHECK 0 0 0

CV 38 17 45

LSD 18 18 22

196

l
I

I
I
l
I

II

l

I

l
I

I

li
l

I

BACKGROUND

-

Trial Title :MISCCANE

Trial State

:IL

Trial Location

:NOKOMIS

Trial Zipcode

:62075

Prime Investigator

: DIANE ANDERSON

SITE

Experimental Design

:RCB

Soil

Texture

:SILT LO

Number of Replicates

:3

Soil

O.M. %

:2-3

Plot Wd X Lth (Ft)

:30 30

Soil

pK

:6.5

Tillage Type

: CONVENTIONAL

Soil

Name

:HERRICK

Seedbed Description

: CLEAN FIRM FINE

Metero. Station

■
i

Ground cover & %

:0

previous crop

previous pest

icide

year

soybeans

1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/ ACRE)

Row Spacing (in)

Soil Temp (F) @ Plant

Soil Moisture § Planting

CORN

PIONEER 3292

5/04/88

MECHANICAL

1.5

24,000

30

70

ADEQUATE

Pest

TRIAL

PEST

APPLICATION
CODE

PEST GROWTH
STAGE

PEST
DENSITY

PEST HEIGHT (In)
min max

GIFT

POST

| 2-3

LEAF

1.5

3.0

197

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

POE

5/25/88

6:00A

20

8002

80

30

3-5

WATER

HAND-HELD

20

ADEQUATE

Nozzle Spacing (In) : 18
Boom Length (Ft) :7.5
Boom Height (In) : 18
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover :0
Dew Presence (Y/N) :N
Ground Speed (MPH) : 3
Soil Temp (F) :75

hrs.

GIFT GIFT GIFT
6/12 7/05 7/12

01

BEACON

75WP

12G

POE

01

X-77

%/V

.25

POE

02

BEACON

75WP

16G

POE

02

X-77

%/V

0.25

POE

03

DPXV9360

75DF

0.5Z

POE

03

COC

4L

1Q

POE

04

DPXV9360

75DF

0.75Z

POE

04

COC

4L

1Q

POE

05

KIH-2665

1.5F

0.10

POE

05

X-77

%/V

0.25

POE

06

KIH-2665

1.5F

0.125

POE

06

X-77

%/V

0.25

POE

07

SB63596

0.89EC

30G

POE

07

X-77

%/V

.05

POE

08

SB63596

0.89EC

40G

POE

08

X-77

%/V

.05

POE

78

82

67

40

52

48

40 17

17 10

85

90

66

45

30

27

83

82

23

15

12

20

CHECK

198

I

i

BACKGROUND

Trial Title : POST CORN SHATTERCANE -

PEORIA

Trial State :

ILL

Trial Location :

Metamora, IL

Trial Zipcode :

Prime Investigator :

R.

Liebl J. Sebert

SITE

Experimental Design :rcb

Soil

Number of Replicates :

3

Soil

Plot Wd X Lth (Ft) ::

LO.O 40.0

Soil

Tillage Type : conventional

Soil

Seedbed Description : trashy

Mete

Ground cover & % :20

previous crop

previous pesticide

corn

thios

CROP

Trial Crop

•CORN

Crop Variety

.pioneer 337S

>

Planting Date

04/25/88

Planting Method

:jd 7000

Planting Depth (in)

: 1.5

Seeding Rate (plants/acre) :

: 27000

Row Spacing (in)

: 30.0

Soil Temp (F) @ Plant

: 70

Soil Moisture @ Planting :

: adequate

Crop emergence date

:05/10/88

Pest

TRIAL APPLICATION

PEf

3T GROWTH

PEST

PEST CODE

c

STAGE

DENSITY

CORN LPOS '

1.5

If

CORN POST

3

If

SHATTER LPOS

i

If

SHATTER POST :

3

If

Texture
O.M. %
pH

Name

•o. Station

year
1987

silt
3.3
6.2

loam

PEST

HEIGHT

(In)

min

max

6.0

8.0

4.0

5.0

3.0

4.0

1.0

2.0

199

Application Code

Date of Application

Time of Application

Pressure (PSI)

Nozzle Type

Air Temp (F) : Elapsed rime to Incorp. :

Relative Humidity

Wind Speed (MPH)

Diluent Carrier

Appli Equip Type

Spray Volume (GPA)

Soil Moisture @ App.

COMMENTS
Disregard zero values recorded on 5/25 for 5-7L treatments (applications for 5-7L were on 5/25).

:POST

05/18/88

Nozzle Spacing (In) :

: 20

11:00A

Boom Length (Ft) :

: 7.5

40

Boom Height (In) :

: 20

8002

Incorporation Equip. :

70

Elapsed Time to Incorp.

40

Incorp. Depth (In)

8.0

Percent Cloud Cover

:0

water

Dew Presence (Y/N)

:n

backpack

Ground Speed (MPH)

:3

20.0

Soil Temp (F)

:75

dry

i
I

I

I

I
I

I

ll

I
I

200

l
I

it

C.I.

C.I.

SHAT

SHAT

5/25

6/07

5/25

6/07

1A

TANDEM

4EC

0.75

3-5L

10

2

78

47

IB

BLADEX

90DG

2.50

3-5L

1C

X-77

%/V

0.25

3-5L

2A

TANDEM

4EC

0.75

3-5L

2

0

79

47

2B

ATRAZINE

90DG

1.0

3-5L

2C

BLADEX

90DG

1.0

3-5L

2C

X-77

%/V

0.25

3-5L

3A

TANDEM

4EC

0.50

3-5L

7

0

75

50

3B

BLADEX

90GD

2.00

3-5L

3C

LASSO

4E

2.00

3-5L

3D

X-77

%/V

0.25

3-5L

4A

TANDEM

4EC

0.50

3-5L

17

7

76

57

4B

BLADEX

90DG

2.00

3-5L

4C

LASSO

4E

3.00

3-5L

4D

X-77

%/V

0.25

3-5L

5A

TANDEM

4EC

0.50

3-5L

17

10

73

62

5B

BLADEX

90DG

2.00

3-5L

5C

DUAL

8EC

1.67

3-5L

5D

X-77

%/V

0.25

3-5L

6A

TANDEM

4EC

0.50

3-5L

9

3

68

65

6B

BLADEX

90DG

2.00

3-5L

6C

DUAL

8EC

2.50

3-5L

6D

X-77

%/V

0.25

3-5L

—

7A

TANDEM

4EC

0.75

3-5L

2

0

74

50

7B

BLADEX

90DG

2.00

3-5L

7C

DUAL

8EC

1.00

3-5L

7D

X-77

%/V

0.25

3-5L

8A

TANDEM

4EC

0.75

3-5L

13

0

78

57

8B

BLADEX

90DG

2.00

3-5L

8C

DUAL

8EC

2.00

3-5L

8D

X-77

%/V

0.25

3-5L

9

CHECK

0

0

0

0

10A

BEACON

75WG

12G

3-5L

0

0

86

53

10B

X-77

%/V

0.25

3-5L

11A

BEACON

75WG

16G

3-5L

0

3

78

77

11B

X-77

%/V

0.25

3-5L

201

C.I.
5/25

C.I.
6/07

SHAT
5/25

SHAT
6/07

= = = = =

========

==========

z =: =r = = =

========

= = = = =

= = z= =z =

= = = =

============

12A
12B

DPXV9360
COC

75DF
4L

0.5Z
1.0Q

3-5L
3-5L

3

0

77

71

13A
13B

DPXV9360
COC

75DF
4L

0.75Z
1.0Q

3-5L
3-5L

0

7

86

90

14A
14B

KIH-2665
X-77

1.5F
%/V

0.05
0.25

3-5L
3-5L

3

0

80

72

15A
15B

KIH-2665
X-77

1.5F
%/V

0.10
0.25

3-5L

3-5L

7

0

89

90

16A
16B

SB63596
X-77

0.89EC

%/V

30G
0.05

3-5L
3-5L

5

0

63

65

17A
17B

SB63596

X-77

0.89EC

%/V

40G
0.05

3-5L
3-5L

13

0

82

83

18A
18B
18C
18D

TANDEM
ATRAZINE
BLADEX
X-77

4EC
90DG
90DG
%/V

0.75

1.0

1.0

.25

5-7L
5-7L
5-7L
5-7L

86

12

19

27

19A
19B

BEACON
X-77

75WG
%/V

12G
0.25

5-7L
5-7L

0

0

0

89

20A
20B

BEACON
X-77

75WG
%/V

16G
0.25

5-7L
5-7L

0

0

0

86

21A
21B

DPXV9360
COC

75DF
4L

0.5Z
1.0Q

5-7L
5-7L

0

0

0

97

22A
22B

DPXV9360
COC

75DF
4L

0.75Z
1.0Q

5-7L
5-7L

0

0

0

89

23A
23B

KIH-2665
X-77

1.5F
%/V

0.05
0.25

5-7L
5-7L

0

7

0

91

24A
24B

KIH-2665
X-77

1.5F
%/V

0.1
0.25

5-7L
5-7L

0

0

0

94

25A
25B

SB63596
X-77

0.89EC
%/V

30G
0.05

5-7L
5-7L

0

0

0

81

26A
26B
27

SB63596
X-77

CHECK

0.89EC

%/V

40G
0.05

5-7L
5-7L

0
0

10
0

0
0

73
0

I
I
I

202

I

i

l!

I!
1
I
I
I
I

I

I

I

I

BACKGROUND
Trial Title :ORR
Trial State
Trial Location
Trial Zipcode
Prime Investigator

SOYBEAN
ILL

ORR FARM

Stevens/Wax/Liebl

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

previous crop
CORN

RCB

3

7.5 32

CONVENTIONAL
FINE
0

Soil Texture :SILT
Soil O.M. % :2.0
Soil pK :6.4
Soil Name :
Metero. Station:

LOAM

previous pesticide

year
1987

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture § Planting

SOYBEANS

WILLIAMS

5/13/88

MECHANICAL

1.5

10

30

75

DRY

Pest

TRIAL

APPLICATION

PEST GROWTH

PEST

PEST

HEIGHT

PEST

CODE

STAGE

DENSITY

min

max

SOYS

POST

4 TRI

6

9

COCB

POST

7-8 LF

HIGH

7

10

ILMG

POST

5 LF

HIGH

3

5

GIFT

POST

4 LF

HIGH

6

10

COLQ

POST

6-9 LF

MED

4

9

(In)

203

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture @ App.

:POST
6/14/88
5:00PM
45

8002
90
50

SW 10
H20

HAND HELD
20
DRY

Nozzle Spacing (In)
Boom Length (Ft)
Boom Height (In)
Incorporation Equip
Elapsed Time to Incorp.
Incorp. Depth (In)
Percent Cloud Cover
Dew Presence (Y/N)
Ground Speed (MPH)
Soil Temp (F) :85

20

7.5

20

hrs.

0
N
3

COMMENTS

The weeds were large at the time of application and growing under stressed conditions. Many
treatments provided only fair weed control. Crop injury was slight. Few treatments afforded excellent
foxtail control. Common cocklebur control was good to excellent. Good control of morninggloryand
lambsquarters was achieved by few treatments, and most did not provide adequate control.

i:

I
1

i

i
i

i
i

204

C.I. GIFT COCB ILMG COLQ
6/29 6/29 6/29 6/29 6/29

1A

TORNADO

IB

COC .

2A

TORNADO

2B

DASH

3A

POAST

3B

BASAGRAN

3C

COC

4A

POAST

4B

BASAGRAN

4C

DASH

5A

SELECT

5B

COBRA

5C

COC

6A

SELECT

6B

COBRA

6C

DASH

7A

COBRA

7B

COC

8A

COBRA

8B

28N

9A

PURSUIT

9B

COC

10A

PURSUIT

10B

28N

IOC

X77

11A

SCEPTER

11B

28N

11C

X77

12A

SCEPTER

12B

28N

12C

X77

13A

CLASSIC

13B

28N

13C

X77

1.75EC
4L

1.75EC
4L

1.5EC

4S

4L

1.5EC

4S

4L

2EC
2EC
4L

2EC
2EC
4L

2EC
4L

2EC
4L

2SC

4L

2SC

4L

%/V

1.5SC

4L
%/V

1.5SC

4L

%/V

25DF
4L

%/V

0.43
1QT

0.43
1QT

0.15
0.75
1QT

0.15

0.75
1QT

0.1
0.2
0.5QT

0.1
0.2
1.0QT

0.2
0.5

0.2

4QT

0.063
1QT

0.063

4QT

0.25

0.094

4QT

0.25

0.063

4QT

0.25

3.69G

4QT

0.25

POST
POST

POST
POST

POST
POST
POST

POST
POST
POST

POST
POST
POST

POST
POST
POST

POST
POST

POST
POST

POST
POST

POST
POST
POST

POST
POST
POST

POST
POST
POST

POST
POST
POST

93

80

53 78

10 95 91 75 60

0

40 86 23 58

82 47 60

17 96 92 37 63

98 95 47 30

0 23 90 43 40

88 37 47

80 87 60 53

88 95 53 63

75 90 30 50

67 90 43 37

10 13 90 70 43

205

C.I.

GIFT

COCB

ILMG

COLQ

6/29

6/29

6/29

6/29

6/29

14A

CLASSIC

25DF

5.5G

POST

13

13

87

70

65

14B

28N

4L

4QT

POST

-

14C

X77

%/V

0.25

POST

15A

DPXM6316

25DF

1.82G

POST

27

10

92

72

75

15B

28N

4L

4QT

POST

15C

X77

%/V

0.25

POST

16A

CLASSIC

25DF

3.69G

POST

10

3

83

75

67

16B

DPXM6316

25DF

1.82G

POST

16C

28N

4L

4QT

POST

16D

X77

%/V

0.25

POST

I

17

2.4-DB

18A

GALAXY

18B

COC

19A

STORM

19B

COC

20A

GALAXY

20B

COC

21A

STORM

21B

COC

22A

BASAGRAN

22B

COC

23A

BASAGRAN

23B

2.4-DB

23C

COC

24

SB23031

25

SB23031

26

CHECK

CV

LSD

2EC

0.031

POST

3.67EC

0.92

POST

4L

1QT

POST

4EC

0.75

POST

4L

0.5QT

POST

3.67EC

0.69

POST

4L

1QT

POST

4EC

0.56

POST

4L

0.5QT

POST

4S

0.75

POST

4L

1QT

POST

4S

0.75

POST

2EC

0.031

POST

4L

0.25QT

POST

0.89

26G

POST

0.89

26G

POST

0

0

0

0

0

0

0 73 40 57

0 96 43 67

89 33 53

93 33 50

0 83 30 50

0 82 23 47

0 94 85 72

13 37 17 17

17 43 27 23

0

0

0

0

li

li
li
i

I

li

1

li

16 43 11 30 21

10 23 14 22 18

206

i

i

BACKGROUND
Trial Title :SAND
Trial State
Trial Location
Trial Zipcode
Prime Investigator

FARM POST
ILL
SAND FARM

SOYBEANS

SITE

Experimental Design
Number of Replicates
Plot Wd X Lth (Ft)
Tillage Type
Seedbed Description
Ground cover & %

STEVENS/WAX/ LIEBL

:RCB

:4

:7.5 25

: CONVENTIONAL

:FINE

:0

Soil

Texture

:SAND

Soil

O.M. %

:0.5%

Soil

PH

:6.0

Soil

Name

:PLAINFIELD

SAND

Metero. Station:

previous crop
CORN

CROP

Trial Crop

Crop Variety

Planting Date

Planting Method

Planting Depth (in)

Seeding Rate (seeds/foot)

Row Spacing (in)

Soil Temp (F) § Plant

Soil Moisture @ Planting

previous pesticide

SOYBEANS

WILLIAMS

5/21/88

MECHANICAL

1.5

10

30

70

ADQ

year
1987

Pest

TRIAL

PEST

SOYS
LACG
COLQ
CORW

APPLICATION
CODE

POST
POST
POST
POST

PEST GROWTH
STAGE

1-2
3

6-8
7

TRI
LF
LF
LF

PEST
DENSITY

HIGH

MED

MED

PEST

HEIGHT

min

max

4

6

2

2

3

4

4

4

(In)

207

Application Code
Date of Application
Time of Application
Pressure (PSI)
Nozzle Type
Air Temp (F)
Relative Humidity
Wind Speed (MPH)
Diluent Carrier
Appli Equip Type
Spray Volume (GPA)
Soil Moisture § App.

:POST

6/14/88

Nozzle Spacing (In) :20

AM

Boom Length (Ft) :7.5

45

Boom Height (In) :20

8002

Incorporation Equip :

85

Elapsed Time to Incorp. :

60

Incorp. Depth (In) :

SW

Percent Cloud Cover :0

WATER

Dew Presence (Y/N) :N

HAND-HELD

Ground Speed (MPH) :3

20 GP

Soil Temp (F) :85

ADQ

COMMENTS

I

hrs.

This study was conducted on a very dense stand of large crabgrass growing under good moisture
conditions. Moisture was adequate at the time of application, and the area recieved approximately 1
inch of water by sprinkler irrigation. No soybean injury was observed from the herbicide treatments
The herbicides were more effective with COC than DASH. Select appeared to be the most effective
herbicide for control of large crabgrass.

i
i

I

III

i
i

i
i

ii

I!
II

208

l!

1A

POAST

IB

COC

2A

POAST

2B

COC

3A

POAST

3B

COC

4A

POAST

4B

COC

5A

FUSILADE

5B

COC

6A

FUSILADE

6B

COC

7A

FUSILADE

7B

COC

8A

FUSILADE

8B

COC

9A

WHIP

9B

COC

10A

WHIP

10B

COC

11 A

WHIP

11B

COC

12A

SELECT

12B

COC

13A

SELECT

13B

COC

14A

SELECT

14B

COC

15

16A
16B

CHECK

POAST
DASH

-

C.I.

LACG

LACG

6/29

6/29

7/12

1.5EC

0.20

POST

0

72

46

4L

1.0Q

POST

1.5EC

0.15

POST

0

59

42

4L

1.0Q

POST

1.5EC

0.10

POST

0

55

49

4L

1.0Q

POST

1.5EC

0.075

POST

0

17

14

4L

1.0Q

POST

1EC

0.20

POST

0

79

71

4L

1.0Q

POST

1EC

0.15

POST

0

81

75

4L

1.0Q

POST

1EC

0.10

POST

0

60

30

4L

1.0Q

POST

1EC

0.075

POST

0

47

34

4L

1.0Q

POST

1EC

0.15

POST

0

79

71

4L

1.0Q

POST

1EC

0.10

POST

0

77

69

4L

1.0Q

POST

1EC

0.075

POST

0

80

79

4L

1.0Q

POST

2EC

0.15

POST

0

93

93

4L

1.0Q

POST

2EC

0.10

POST

0

96

93

4L

1.0Q

POST

2EC

0.075

POST

0

93

87

4L

1.0Q

POST

0

0

0

1.5EC

0.20

POST

5

41

32

4FL

2.0Q

POST

209

C.I.

LACG

LACG

6/29

6/29

7/12

= = =

==========

=========

=======

=======

======

= = = = =

= = = =

17A

POAST

1.5EC

0.15

POST

0

42

31

17B

DASH

4FL

2.0Q

POST

18A

POAST

1.5EC

0.10

POST

0

27

12

18B

DASH

4FL

2.0Q

POST

19A

POAST

1.5EC

0.075

POST

0

25

10

19B

DASH

4FL

2.0Q

POST

20A

FUSILADE

1EC

0.20

POST

0

71

26

20B

DASH

4FL

2.0Q

POST

21A

FUSILADE

1EC

0.15

POST

0

57

22

21B

DASH

4FL

2.0Q

POST

22A

FUSILADE

1EC

0.10

POST

0

45

24

22B

DASH

4FL

2.0Q

POST

23A

FUSILADE

1EC

0.075

POST

2

35

21

23B

DASH

4FL

2.0Q

POST

24A

WHIP

1EC

0.15

POST

0

70

51

24B

DASH

4FL

2.0Q

POST

25A

WHIP

1EC

0.10

POST

0

40

40

25B

DASH

4FL

2.0Q

POST

26A

WHIP

1EC

0.075

POST

0

32

17

26B

DASH

4FL

2.0Q

POST

27A

SELECT

2EC

0.15

POST

0

90

80

27B

DASH

4FL

2.0Q

POST

28A

SELECT

2EC

0.10

POST

0

89

75

28B

DASH

4FL

2.0Q

POST

29A

SELECT

2EC

0.075

POST

0

65

55

29B

DASH

4FL

2.0Q

POST

I
J

I
I

I!
II

ii
ii

i

i

■

30

CHECK

0

0

cv

LSD

8 19 29
3 16 18

210

APPENDIX A

HERBICIDES EVALUATED IN 1988

TRADE NAME

COMMON NAME

EXP. #

COMPANY

AAtrex; others

Amiben

Assure

Banvel

Basagran

Beacon

Benazolin

Bladex

Blazer

Buctril

Butoxone/Butyrac

Classic

Cobra

Command

Dual

Eradicane Encap.

Eradicane Extra

Fusilade 2000

Gramoxone

Harness

Hoelon

Ignite

Lasso

Lexone

Linex

Lorox

Lontrel

Marathon

Modown

Paraquat

Poast

Princep

Prowl

Pursuit

Reflex

Round-Up

Scepter

Select

Sencor

Sonalan

atrazine

chloramben

quizalofop

dicamba

bentazon

benazolin

cyanazine

acifluorfen

bromoxynil

2,4-DB

chlorimuron ethyl —

lactofen

clomazone

metolachlor

EPTC

EPTC+R25788

fluazifop

paraquat

acetochlor

diclofop

glufosinate

alachlor

metribuzin

linuron

linuron

clopyralid

cycloate+safener —

bifenox

paraquat

seyhoxydin

simazine

pendimethalin

imazethapyr

fomesafen

glyphosate

imazaquin

cloproxydin

metribuzin

ethalfluralin

DPX-Y6202-38

CGA-136876

several

Rhone-Poulenc

DuPont

Sandoz

BASF

CIBA-GIEGY

Nor-Am

DuPont

Rhom&Haas

Rhone-Poulenc

several

DuPont

Valen/Chevron

FMC

CIBA-GEIGY

ICI

ICI

ICI

ICI

Monsanto

Hoechst-Roussel

Hoechst-Roussel

Monsanto

DuPont

Griffin

DuPont

Dow

ICI

Rhone-Poulenc

Valen/Chevron

BASF

CIBA-GIEGY

AmCyanamid

AmCyanimid

ICI

Monsanto

AmCyanamid

Valent

Mobay

Elanco

211

APPENDIX A (cont.)

HERBICIDES EVALUATED IN 1988

l
I

TRADE NAME

COMMON NAME

EXP. #

COMPANY

Starane

Surflan

Sutan Encap

Sutan +

Tackle

Tandem

Tough

Treflan

Weedone/Weedar ect.

Verdict

Vernam

Whip

fluroxypyr

oryzalin

butylate

butylate+R25788

acfluorfen

tridiphane

pyridate

trifluralin

2,4-D

haloxyfop methyl

vernolate

fenoxaprop

cycloxydim

BAS-517

BAS-514

BAS-0562-16H

CGA-180937

DPX-M6316

DPX-V6390

EF-689

EL-177

HOE 46360

ICIA 5767

KIH 2665

KIH 9201

San 582

SB-53482

SB-63596

SB-23121

XRM-3972

ADDITIVES EVALUATED IN 1988

Dow

Elanco

ICI

ICI

Rhone-Poulenc

Dow

Terra

Elanco

several

Dow

ICI

Hoechst-Roussel

BASF

BASF

BASF

CIBA-GIEGY

DuPont

DuPont

DOW

Elanco

Hoechst-Roussel

ICI

Kumiai

Kumiai

Sandoz

Valent

Valent

Valent

DOW

ADDITIVE

CLASSIFICATION

COMPANY

Triton AG-98

Dash (BCH-815)

COC

X-77

Tween 2 0

10-34-0

28% N

surfactant

crop oil

crop oil concentrate

surfactant

surfactant

fluid fertilizer

fluid fertilizer

Rohm & Haas

BASF

several

Valent/ Chevron

AmCyanamid

several

several

i

ii

r
i

i

i
i
i

i

n

212

APPENDIX B

INDEX OF WEED 8PECIES REPORTED

ABBREVIATION

COMMON NAME

SCIENTIFIC NAME

ANBG

Annual Bluegrass

ANMG

Morningglory species

COCB

Common Cocklebur

COCH

Common Chickweed

CODA

Common Dandelion

COLQ

Common Lambsquarters

CORW

Common Ragweed

COSF

Common Sunflower

EBNS

E. Black Nightshade

FAPA

Fall Panicum

GIFT

Giant Foxtail

GIRW

Giant Ragweed

HOWE

Horseweed Conyza

HEBI

Henbit

ILMG

Ivyleaf Morningglory

J I WE

Jimsonweed

JOGR

Johnson Grass

LACG

Large Crabgrass

PESW

Penn. Smartweed

PRLE

Prickly Lettuce

PRSI

Prickly Sida

RRPW

Redroot Pigweed

SHCA

Shattercane

SMPW

Smooth Pigweed

TAMG

Tall Morningglory

TAMU

Tansy Mustard

VELE

Velvetleaf

YENS

Yellow Nutsedge

Poa annua
Ipomea species
Xanthium strumarium
Stellaria media
Taraxacum officinale
Chenopodium Album
Ambrosia artemisiifolia
Helianthus annuus
Solanum ptycanthum
Panicum dichotomiflorum
Setaria faberi
Ambrosia trifida
canadensis
Lamium amplexicaule
Ipomea hederacea
Datura stramonium
Sorghum halapense
Digitaria sanguinalis
Polygonum pennsylvanicum
Lactuca serriola
Sida spinosa
Amaranthus retroflexus
Sorghum bicolor
Amaranthus hybridus
Ipomea purpurea
Descurainia pinnata
Abutilon theophrasti
Cyperus esculentus

213

APPENDIX C

FORMULATED HERBICIDE COMBINATIONS (PRE -MIXES) FOR CORN

ATRAZINE

PLUS

RATIO

TIME OF APPLICATION

BICEP 6L

DUAL

4:5

EPP,

PPI,

PRE

BUCTRIL/ATR.

3S

BUCTRIL

2:1

EPP?

rPOST

BULLET 4L

LASSO

5:3

EPP,

PPI,

PRE

COLONEL 2.4L

GRAMOXONE

5:1

EPP,

PRE

EXTRAZINE II

4L

BLADEX

1:3

EPP,

PPI,

PRE, POST

LADDOK 3.3 3L

BASAGRAN

1:1

POST

LARIAT 4L

LASSO

5:3

EPP,

PPI,

PRE

MARKSMAN 3.2L

BANVEL 2.

2:1.1

EPP?

, PRE

, POST

PROZINE 70DF

PROWL

1:1

PRE

RAMROD/ ATR 4L

RAMROD

3:1

PRE

RHINO 6L

GENATE+

5:2

PPI

SUTAZINE 6L

SUTAN+

4:1

PPI

FORMULATED HERBICIDE COMBINATIONS (PRE -MIXES) FOR BEANS

PREMIX NAME

"GRASS" + "BROAD"

AI RATIO TIME OF APPLICATION

ALA-SCEPT ??

LASSO

+

SCEPTER

16:1

EPP,

PPI , PRE

COMMENCE 5.2 5

TREFLAN

+

COMMAND

12:9

PPI

PURSUIT + ??

PROWL

+

PURSUIT

14:1

PPI.

PRE

SALUTE 4L

TREFLAN

+

SENCOR

2:1

PPI

SQUADRON 2.3 3L

PROWL

+

SCEPTER

6:1

PPI,

PRE

TRI-SCEPT

TRILIN

+

SCEPTER

6:1

PPI

TORNADO 1.75E

FUSILADE

+

REFLEX

3:4

POST

TURBO 8E

DUAL

+

SENCOR

9:2

PPI,

PRE

BEAN PREMIX

"BROAD"

+

"BROAD"

AI RATIO

TIME

CANOPY 75DF

LEXONE

+

CLASSIC

6:1

PPI,

PRE

PREVIEW 75DF

LEXONE

+

CLASSIC

10:1

PPI,

PRE

GEMINI 60DF

LOROX

+

CLASSIC

12:1

PRE

LOROX+ 60DF

LOROX

+

CLASSIC

16:1

PRE

GALAXY 3.67S

BASAGRAN

+

BLAZER

9:2

POST

STORM 4S

BASAGRAN

+

BLAZER

2:1

POST

NO-TILL PREMIX

GRASS

+ KNOCKDOWN AI RATIO CROP CLEARANCE

BRONCO 4E
PRELUDE 2.50

LASSO + ROUNDUP 2.6:1.4
DUAL + GRAMOX. 4:1

CORN, BEANS, MILO
CORN, BEANS, MILO

H

ii
li

1

I!
I

I!
I

1

I!

I!

I
I

I

II

II
II

214

APPENDIX D

3ICIDE(S)

ADDITIVES

BEAN HERI

NIS

coc

DASH

UAN

MAP

2,4-

-DB

BASAGRAN

X

X

X

X

X

TACKLE

X

X

X

X

X

BLAZER

X

X +

NIS

GALAXY

X

X

STORM

X

COBRA

X

X

X

X +

NIS

REFLEX

X

X

X +

NIS/COC

TORNADO

X

X

POAST

X

X

+X

FUSILADE

X

X

OPTION

X

X

ASSURE

X

X

SCEPTER

X

PURSUIT

X

CLASSIC

X

X

+X

RESCUE

X

X

RESCUE +

BLA/TAC

X

•

CORN HERBICIDES

BASAGRAN

X

LADDOK

X

ATRAZINE

X

BLADEX

X*

BANVEL

X

MARKSMAN

X

* = ONLY IF UNDER EXTREME DROUGHT CONDITIONS

NIS = NON-IONIC SURFACTANT

+ = USED ONLY IN COMBINATION WITH OTHER SURFACTANTS

215

APPENDIX E

RAINFALL SUMMARY FOR THE MONTH OF APRIL

DATE

BROWNSTOWN

DIXON SPR.

SAND FARM

ORR

URBANA

precip

precip

precip

precip

precip

1

.36

.63

—

—

.10

2

.13

.16

1.01

.27

.04

3

4
5

—

—

- - -

.11

.16

...

...

.22

6

.12

.71

—

.37

.34

7

8

9 ---
10
11
12
13
14
15 ...

16

17

.12

...

—

—

—

.04

...

...

—

_ _ _

.

.

...

.37

18
19

.22

.78

— .

.04

—

20
21
22
23

—

—

—

—

.20

24
25
26

—

—

—

...

.07

27

28 --•-

29

30

.03

m • *

...

—

TOTAL

.98

2.32

1.01

.79

1.5

1

t

I
I

216

APPENDIX E (cont. )
RAINFALL SUMMARY FOR THE MONTH OF MAY

DATE

BROWNSTOWN

DIXON SPR.

SAND FARM

ORR

URBANA
precip

precip

1 ---

2 ---

3 ---

—

.02

4 .36

5 ---

6 ---

7 ---

8 ---

.98

.04

9 .72

.77

10 ---

11 ---

12 ---

13 ---

...

14 ...

15 ---

16 ---

17 ---

18 ---

19 ...

20 ---

21 ---

22 ---

.17

23 .22

.32

24 .05

.50

25 ---

—

26 ---

—

27 ---

—

28 ---

29 ---

...

30 ---

—

31 ---

—

precip

precip

78

1.21

62

.19
2.05

precip

53

01

07

68
22
03

01

TOTAL

2.8

1.4

3.45

1.55

217

DATE

APPENDIX E (cont.)

RAINFALL SUMMARY FOR THE MONTH OF JUNE

BROWNSTOWN

DIXON SPR.

SAND FARM

ORR

precip

precip

precip

precip

URBANA
precip

1 ---

2 ---
3

—

...

4

—

5

—

6

—

7

—

8

—

9

.96

10 ---

—

11 ---

—

12 ---

—

13 ---

—

14 ...

15 ---

—

16 .12

17 ---

18 ---

—

19 ---

—

20 ---

—

21 ---

—

22 ---

—

23 ---

—

24 ---

—

25 ---

—

26 ---

27 ---

28 ---

29 ---

.16

30 .09

.36

13

83

32

.31

1.38

TOTAL

1.17

10

83

1.23

1.06

i
i
i
i
i
I

1

2.61

.32

!

218

l

APPENDIX E (cont.)

RAINFALL SUMMARY FOR THE MONTH OF JULY

DATE

BROWNSTOWN

DIXON SPR
precip

SAND FARM
precip

ORR

precip

URBANA
precip

precip

1

...

2

—

3

—

4

—

5

—

6

—

7

—

8

—

9

—

10

—

—

11

1.15

.08

12

.02

.42

13

—

.38

14

—

—

15

.65

—

16

—

—

17

—

—

18

.15

.05

19

.13

20

.35

.40

21

1.0

22

—

...

23

—

—

24

—

—

25

—

.02

26

.07

.04

27

...

—

28

• .— *

29

—

30

.38

.01

31

.12

—

14

27

41

TOTAL

2.39

1.53

12

17
02
02

.82

02
03
35

92
20

2.12

.33

3.64

219

I

I

1

I

4*fc

W8S: 2

A&Y

1988
Illinois

Weed Science
Research Report
Part II

Department of Agronomy

Agricultural Experiment Station

College of Agriculture

University of Illinois at Urbana-Champaign

CULTURE LIB

OCT 1 8 198

v,iVERSITY OF II LIM^

The University of Illinois at Urbana-Champaign

is an affirmative action/equal opportunity institution.

TABLE OF CONTENTS

INTRODUCTION 1

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

Multi-species evaluation of preplant and preemergence

soil-applied herbicides 3

Multi-species evaluation of postemergence herbicides 8

Postemergence herbicides for corn 14

Postemergence control of quackgrass and giant foxtail

for corn 15

Herbicide treatments for corn 17

Time and method of herbicide application for a

reduced tillage cropping sequence 19

Evaluation of bentazon combinations and adjuvants 22

Evaluation of bentazon plus atrazine rates and

adjuvants 24

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

Corn no-till in alfalfa sod 26

Herbicides for no-till soybeans 28

No-till soybeans 30

No-till corn in clover-fescue sod 31

Herbicides for establishment of red clover 32

Herbicides for establishing alfalfa and clover 33

Herbicides for alfalfa establishment 34

Cultivation with and without herbicides for corn 35

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

No-till corn in alfalfa and clover sod 36

Nitrogen rates for no-till corn in legume sod 38

=

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

Effect of pH, tillage? and chlorimuron rate on residual

effect on corn 39

MULTI-SITE

Potential for injury to corn from residual clomazone,

imazaquin, imagethapyr and chlorimuron 43

APPENDIX

Weather conditions 46

DeKalb 4 7

Perry - Orr 50

Monmouth 53

Urbana 5 6

Elwood 5 9

Herbicide terminology 65

Weed terminology 71

Map of research centers 72

Mike Grimes - Terra International
Bill Bertges - Hoechst Roussel

More than two dozen experiments were conducted at six different locations in the state
with a wide variety of soil and climatic conditions. Land area used is estimated at about 50
acres. Emphasis is placed on research that will help farmers operate more efficiently and help
to assure safety for their crops and themselves while conserving their land and energy
resources.

Although a variety of weed control practices are considered, considerable effort is
devoted to herbicides since an estimated $350,000,000 worth of herbicides are used in Illinois by
about 90,000 farmers and over 10,000 commercial applicators on about 20 million acres.

As the research results are moved into the technology transfer system, hopefully the
information will be helpful to farmers, dealers, applicators and others faced by the increasing
complexity for making their decisions for designing weed control programs. Hopefully, the
results will also be helpful to industry as they plan their developement strategy for Illinois.

We have attempted to place emphasis on research that will help farmers obtain broad-
spectrum weed control at a reasonable cost. Where we visualize new needs and opportunities,
we attempt to design systems to fit changing production practices. However, we also continue
what might be considered more routine research to delineate optimum rates of herbicides for
each major weed species. We evaluate crop tolerance and potential for affecting subsequent
crops.

We sincerely appreciate the suggestions, help and support of those involved with our weed
science research program.

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

Multi-species evaluation of preplant and preemergence soil-applied herbicides

Knake, Ellery L., Ann M. Carrick, Russeil A. Higgins, Maurice W. Wolff,
Fritz K. Koppatschek, Lyle E. Paul and William S. Curran

The primary purpose of these trials was to evaluate crop tolerance and weed susceptibility
for most of the crops and annual weed species common to Illinois. Both current and
experimental herbicides are included with half of the treatments preplant incorporated and half
surface-applied.

The evaluation was conducted in 1988 at the Northern Illinois Agronomy Research Center
near DeKalb, Illinois on Drummer silty clay loam with 5 to 6% organic matter. The field is in a
high state of fertility. The area was moldboard plowed the previous summer after a similar
trial. On April 25, a tandem disk with harrow was used once. Preplant herbicides were applied
7:00 to 9:00 a.m. on April 26. These were incorporated with a tandem disk operated four inches
deep followed by a harrow. Two passes were made in the same east and west direction in which
herbicides were applied.

Crops and weeds were planted between 9:00 a.m. and 4:00 p.m. April 26. Corn, soybeans,
and sorghum were planted with a conventional four row planter. Small grains were seeded with
a drill. Cocklebur was planted with a hand planter. The remainder of the weeds and alfalfa and
clover were seeded with a Brillion seeder. It began raining as seeding was being completed with
0.21 inch on April 26 and 0.27 inch on April 27. Soil was in excellent physical condition at time
of preplant application and seeding. Moisture was optimum from 0.54 inch of rain on April 22.
Preemergence herbicides were applied between 7:00 and 8:00 a.m. May 3. There was 0.35 inch
of rain May 8 and an additional 2.04 inches during the remainder of May.

All herbicides were applied with a tractor mounted compressed air spray unit with flat fan
nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. The seeding was done in a N-S direction
and herbicides applied in an E-W direction to plots 10 ft. x 150 ft. Ratings were made June 9
and 10.

Conditions at time of herbicide application:

Date April 26 May 3

Air temperature - F

50

58

Bare soil temperature -

4 inch - F

45

50

Wind speed (mph)

4E

3E

Sky - % cloud cover

100

0

Relative humidity - %

52

40

Rainfall previous week

.69

.35

Rainfall following week

.35

.41

Results are presented in the tables. (Dept. of Agronomy, University of Illinois, Urbana).

Red
Clove

o o
o o

— < — 1

O O

NO IN

o o o o

o o o o

ON oo «N «N

o
o

o o
o o

o
o

o o
o o

o o
o o

«— 1 — ^

ra

■frH
<

o o

in on

o o
j- in

o o o o

o o o o

00 «N (Nl (NJ

o

00

o o

oo in

o

o o

oo O

o o

UN O

Spring
Barley
Robust

o c

wn oo

o o

fi n0

o o o o

o o o o

O UN ON UN

o

00

o o

IN o

o

vO

o o
o o

o o

O O

00 O

o o
on o

o o o o

<y\ vo in oo

o o o o

fN ON ON «N

o
o

o o

O ON

o

oo

o o
o o

o o

OO o

o o o o

ON J-O

o o o o

fi — • — ■ oo

o o o o

o o o o

IN .a- \0 ir\

c

4->

01

X

ss=*

o o

00 o

o o

ON O

o o o o

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Multi-species evaluation of postemergence herbicides

Knake, Ellery L., Fritz K. Koppatschek, Ann M. Carrick,
Lyle E. Paul, Russell A Higgins and Maurice W. Wolff

The primary purpose of this study was to evaluate various herbicides, combinations, rates
and adjuvants for post emergence use on major crops and weed species common to Illinois. The
study was conducted in 1988 at the Northern Illinois Agronomy Research Center near DeKalb on
plot area SW800 with Drummer silty clay loam having 5 to 6% organic matter. The field was in
a high state of fertility. The area was moldboard plowed the previous summer after a similar
trial. On April 25 a tandem disk with harrow was used once and on April 26 a field cultivator
with harrow was used once. Crops and weeds were planted April 26. Corn, soybeans, and
sorghum were planted with a conventional four row planter. Small grains were seeded with a
drill. Cocklebur was planted with a hand planter. The remainder of the weeds and alfalfa were
seeded with a Brillion seeder. Soil was in excellent condition at time of seeding. Moisture was
optimum from 0.54 inch of rain on April 22.

All herbicides were applied postemergence on June 3 between 9:00 and 11:00 a.m. using a
tractor mounted compressed air sprayer with a loom height of 22 inches, flat fan nozzle tips, 30
psi and 3 mph to give 25 gpa. The seeding was done in a N-S direction and herbicides applied in
an E-W direction to plots 10 by 150 ft.

Conditions on the day of herbicide application were:

Air temperature 65 F

Bare soil temperature at 4 inches 72 F

Relative humidity 45%

Wind speed and direction 10 E

Sky Clear

There was 0.17 inch of rain on May 26, six days prior to spraying, and 2.39 inches for the month
of May. The only significant rain during June was .46 inch on June 28. Ratings were made June
22 and 23.

Growth stage of plants at time of postemergence application:

He

ight inches

Number of

(free stand

ing)

true leaves

Corn

9

7

Soybeans

Sorghum

Wheat

3
3

5

1
4
6

Oats

5

6

Barley

Rye

Alfalfa

5
5
3

6
6
3

Giant foxtail

3

5

Yellow foxtail

3

4

Green foxtail

3

4

Large crabgrass

Barnyardgrass

Shattercane

3
4
3

4
6
4

Johnsongrass
Redroot pigweed

3

1

4
4

Lambsquarters

1

4

8

(continued)

Height incl
(free stand

ing)

Number of
true leaves

Velvetleaf

Jimsonweed

Fall morningglory

Common ragweed

Cocklebur

3
2

3
3

4

5
3
2
2
6

Results are reported in the tables. (Dept. of Agronomy, University of Illinois, Urbana).

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13

Postemergence herbicides for corn

Knake, Ellery L., William S. Curran, Fritz K. Koppatschek,
Ann M. Carrick, Lyle E. Paul, and David R. Pike

The primary purpose of this study was to evaluate herbicides for control of grass weeds in
corn. However, evaluation was also made on control of velvetleaf.

Plots were established in 1988 at the Northern Illinois Agronomy Research Center near
DeKalb on Drummer silty clay loam with 5 to 6% organic matter. Soil was high in phosphorous
and potassium and 240 lb/A of nitrogen was applied as ammonium nitrate. The field was
moldboard plowed the previous fall and a tandem disk with harrow used twice May 2. Pioneer
3540 corn was planted in 30 inch rows on May 2 for a population of 28,300 plants per acre.
Chlorpyrifos soil insecticide was band applied at 9.8 lb/A. A randomized complete block design
was used with treatments replicated four times and individual plots 10 ft x 60 ft.

Herbicides were applied May 25 between 6:30 and 7:30 a.m. with a tractor mounted
compressed air sprayer with flat fan nozzle tips, 30 psi and 3 mph to give 25 gpa. Soil
temperature was 50° F and air temperature 45° F with a range from 35° to 70° F for the day.
Wind was 3 to 5 mph from the south. Sky was clear and relative humidity 40%. Giant foxtail
was 1 to 2 inches with 2 to 3 leaves, velvetleaf 2 to 3 inches with 3 leaves and corn 4 to 6 inches
with 5 leaves. There was 1.13 inches of rain two days earlier and 2.39 inches for the month of
May. Following application on May 25 there was .17 inch of rain May 27 and .46 inch June 28.
Ratings were made June 9.

Results are presented in the table. (Dept. of Agronomy, University of Illinois, Urbana).

Table 9. Postemergence herbicides for corn (Knake, Curran, Koppatschek, Carrick, Paul, and
Pike)

Treatment

Tridiphane + atrazine + COC
Tridiphane + cyanazine

+ atrazine
Tridiphane + atrazine

+ bentazon + COC
DPX-V9360 + atrazine + COC
CGA-1 36872 + atrazine + X-77
Check - untreated

Rate

Percent Control

Gift

6/9

Vele

7/12

lb/A

Gift

Vele

0.5 + 1.5

69

84

49

55

0.5 + 1.2 + 0.4

59

86

48

60

0.5 + 1.5 + 0.5

69

&7

49

64

0.06 + 1.5

91

81

94

41

0.036 + 1.5

56

0

83
0

28

59

LSD .05

15.7 4.7

25.2

15.9

X-77 surfactant (d 0.25% v/v

COC - crop oil concentrate was an 83% paraffin base petroleum oil with 16% surfactant and 1%

inert used @ 1.0 qt/A

14

Postemergence control of quackgrass and giant foxtail in corn

Knake, Ellery L., Fritz K. Koppatschek, William S. Curran,
Ann M. Carrick, Lyle E. Paul and David R. Pike

The primary purpose of this study was to evaluate DPX-V9360 and CGA-136872 for
control of quackgrass and giant foxtail and to determine the effect of adding atrazine.

The study was established at the Northern Illinois Agronomy Research Center on
Flanagan-Drummer silty clay loam with 5 to 6% organic matter. The field was in a high state
of fertility and 180 lb/A nitrogen as ammonium nitrate was applied. The field was moldboard
plowed November 10, 1987. A tandem disk with harrow was used twice on May 2, 1988. Pioneer
3540 corn was planted May 2 in 30 inch rows for a population of 28,300 plants/A. Chlorpyrifos
soil insecticide was band applied at 9.8 lb/A. A randomized complete block design was used
with each treatment replicated four times. Individual plots were 10 ft x 70 ft.

Herbicides were applied May 25 between 7:30 and 8:30 a.m. with a tractor mounted
compressed air sprayer with flat fan nozzle tips, 30 psi and 3 mph to give 25 gpa. Soil
temperature was 50° F and air temperature 50° F, ranging from 35° to 70° F for the day. Wind
was 5 to 8 mph from the south. Sky was clear and relative humidity 40%. Giant foxtail was 1
to 2 inches with 2 to 3 leaves, quackgrass 7 to 10 inches with 3 to 4 leaves, and corn 4 to 6
inches with 3 to 5 leaves. There was 1.13 inches of rain two days earlier and 2.39 inches for the
month of May. There was .17 inch of rain May 27 and for the month of June only .46 inch on
June 28. Ratings were made June 9. No corn injury was noted.

DPX-V9360 gave good control of both giant foxtail and quackgrass with all rates tested.
Addition of atrazine to DPX-V9360 did not enhance efficacy. CGA-136872 was less effective
than DPX-V9360 on both giant foxtail and quackgrass. Although there was some rate response
for CGA-136872, even the highest rate did not give good control. Addition of atrazine to CGA-
136872 generally did not enhance activity and may have had a slight antagonistic effect. (Dept.
of Agronomy, University of Illinois, Urbana).

15

Table 10. Control of quackgrass and giant foxtail (Knake, Koppatschek, Curran, Carrick, Paul
and Pike).

Treatment

DPX-V9360 + X-77
DPX-V9360 + X-77
DPX-V9360 + X-77

DPX-V9360 + atrazine + X-77
DPX-V9360 + atrazine + X-77
DPX-V9360 + atrazine + X-77

CGA-136872 + X-77
CGA-136872 + X-77
CGA-136872 + X-77

CGA-136872 + atrazine + X-77
CGA-136872 + atrazine + X-77
CGA-136872 + atrazine + X-77

Check - Untreated

LSD .05

Percent Control

Corn

Rate

6/9

7/12
Gift Qugr

Yield

lb/A

Gift

Qugr

Bu/A

0.03

86

85

86

86

66.8

0.045

95

79

90

86

67.1

0.06

95

88

89

86

92.1

0.03 + 2.0

91

91

86

84

61.1

0.045 + 2.0

95

90

88

85

91.6

0.06 + 2.0

95

91

83

84

82.6

0.018

50

71

46

64

29.5

0.027

56

70

56

70

38.2

0.036

60

73

65

79

53.8

0.018 + 2.0

43

68

49

69

27.7

0.027 + 2.0

51

76

48

71

26.3

0.036 + 2.0

58

80

54

68

37.5

0

0

0

0

6.6

SJ

10.3

12.3

9.0

17.2

X-77 surfactant @ 0.25% v/v

16

Herbicide treatments for corn

Knake, Ellery L., Fritz K. Koppatschek, Ann M. Carrick,
Lyle E. Paul and David R. Pike

The primary purpose of this study was to compare several times and methods of herbicide
application and to compare results with various herbicides for corn. This study was established
in 1988 at the Northern Illinois Agronomy Research Center near DeKalb on area 1400N. The
soil is Drummer silty clay loam with 5 to 6% organic matter. The experimental design was a
randomized complete block with treatments replicated three times and individual plots 10 ft x
120 ft. The field was in a high state of fertility with applications of P7O5 an<^ K^O the previous
fall and 240 lb/A nitrogen as anhydrous ammonia applied April 29. The field had been
moldboard plowed November 13 and a tandem disk with harrow was used twice on May 2.
Pioneer 3540 corn was planted in 30 inch rows on May 2 for a population of 28,300 plants/A.

Herbicides were applied with a tractor mounted compressed air sprayer with flat fan
nozzle tips, 30 psi, and 3 mph to give 25 gpa. Preemergence treatments were applied between
1:00 and 2:00 p.m. May 2. Soil temperature was 50° F, air temperature 70° F, and relative
humidity 60%. Wind was from the east at 3 to 5 mph and sky had 5% cloud cover. There was
0.35 inch of rain during the week prior to the preemergence application, 0.41 inch the following
week and 2.39 for the month of May. Postemergence treatments were applied 12:30 to 1:30
p.m. May 28. Soil temperature was 70° F and air temperature 76° F. Relative humidity was
45%, wind from the south at 10 mph and sky was clear. Corn was 4 to 6 inches with 5 leaves,
giant foxtail 3 inches with 3 leaves, lambsquarters 1.5 inches with 5 leaves and velvetleaf 3
inches with 3 leaves. There was 1.3 inches of rain during the week prior to the May 28
postemergence application and no significant rain following the postemergence until June 28
with 0.46 inch. Ratings were made June 9.

Most preemergence treatments or DPX-V9360 post gave good control of giant foxtail.
Most treatments gave relatively good control of velvetleaf and lambsquarters. No corn injury
was noted. Two reps were located where the field was in corn the previous year. Thethird rep
had no crop the previous three years but was used for redroot pigweed and velvetleaf studies.
Thus it somewhat simulated set-aside or fallow since it was tilled in mid season during the
previous three years. This gave a unique opportunity to compare corn yields for corn after corn
versus corn after "set aside" for the relatively dry year of 1988. (Dept. of Agronomy,
University of Illinois, Urbana).

17

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Time and method of herbicide application for a reduced tillage cropping sequence

Knake, Ellery L., Ann M. Carrick, Lyle E. Paul,
Fritz K. Koppatschek and David R. Pike

The purpose of this study was to compare PPI, preemergence and postemergence
applications for weed control in corn, soybeans and clover with various tillage systems.

This long term study is located on area 1400S at the Northern Illinois Agronomy Research
Center near DeKalb on Drummer silty clay loam with 5 to 6% organic matter. The study
includes two areas planted to corn, two to soybeans and one to clover. One corn area follows
soybeans and tillage consists of disking twice with a tandem disk and harrow. The other corn
area is corn no-tilled in red clover sod. For soybeans which follow corn, one area is chiseled and
then disked while the other area is only disked. The clover follows soybeans with the soybean
stubble disked twice. The field was in a high state of fertility with 180 lb/A nitrogen added as
ammonium nitrate for corn. Chisel plowing was done November 6, 1987 and all other tillage
May 2, 1988.

All planting was done May 2. Pioneer 3475 corn was planted in 30 inch rows for a
population of 28,300 plants/A. Soybeans were Pioneer 9271 in 30 inch rows with 60 lb/A to give
8 plants/ft.

All spraying was done with a tractor mounted compressed air spray unit with flat fan
nozzle tips, 30 psi and 3 mph to give 25 gpa. PPI treatments were applied 7:00 to Z:00 a.m. May
2 and incorporated immediately. Preemergence treatments were applied 9:00 to 10:00 a.m. May
2. For corn, postemergence treatments were applied May 28. For soybeans and clover, post
treatments for broadleaf weeds were applied May 28 followed by post treatments for grass
weeds on June 4. Each herbicide treatment was replicated three times with individual plots 10
ft by 120 ft. The dry season was not conducive to control of the clover for no-till corn and on
June 16, 0.5 lb/A dicamba was applied to all of the no-till corn. Ratings were made June 22.
The 2,4-D formulation was a low volatile 2-ethylhexyl ester. The fluazifop-P plus fomesafen,
the trifluralin plus clomazone, the bentazon plus acifluorfen, the cyanazine plus atrazine,
metolachlor plus atrazine and dicamba plus atrazine were prepackaged mixtures of Tornado,
Commence, Galaxy, Conquest, Bicep and Marskman respectively.

Conditions at time of herbicide application:

Date

May 2 May 28

June 4

Air temperature

65°F 76°F

65°F

Bare soil temperature (3 4 inches

50°F 72°F

78°F

Relative humidity

40% 5096

50%

Wind speed (mph) ■

and direction

3-5E 10S

5E

Sky - % cloud cover

5% 0

0

Rainfall previous \

yeek

0.35 1.30

0.17

Rainfall following

week

0.41 0

0

height

height

Growth stage:

inches

leaves

inches leaves

Corn

5

4

Soybeans

2

2 unifoliates

3 1 trifoliolate

Clover

0.5

1 trifoliolate

1 2 trifoliolate

Giant foxtail

3

3

4 6

Velvetleaf

2

3

2.5 5

19

In general the preplant incorporated treatments performed well. With the exceptionally
dry conditions, postemergence treatments for control of grass did not perform as well as usual.
Preemergence treatments were generally fair. For soybeans, there was no advantage readily
apparent for chisel plowing in addiiton to disking. For no-till corn in clover sod, control of
clover with triazine only was not very good due to the dry season. Dicamba plus atrazine gave
the best control and results with 2,4-D were fair to good. The good weed control in the plots
with triazine only may have been due partially to competition from the "living clover mulch."
For establishing clover, sethoxydim postemergence performed relatively well for control of
grass and bromoxynil for broadleaf weeds. (Dept. of Agronomy, University of Illinois, Urbana).

20

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21

Evaluation of bentazon combinations and adjuvants

Knake, Ellery L., Fritz K. Koppatschek, Lyle E. Paul,
William S. Curran and David R. Pike

The purpose of this study was to evaluate bentazon and acifluorfen premix and tank mix
combinations alone and with various adjuvants. The study was established in 1988 at the
Northern Illinois Agronomy Research Center near DeKalb on area 1300E. Soil was Drummer
silty clay loam with 5 to 6% organic matter. The soil was in a high state of fertility. A
randomized complete block design with three replications was used. The field had been
moldboard plowed the previous fall and on May 2, a field cultivator with harrow was used
twice. Redroot pigweed and ivy leaf morningglory were seeded May 3. BSR 201 soybeans were
planted May 5 in 30 inch rows at 54 lb/A to give about 8 plants per foot of row. Individual plots
were 10 ft. x 40 ft.

All herbicides were applied postemergence with a tractor mounted compressed air sprayer
with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. Boom height was 21 inches
above the soil surface. Application was made between 8:00 and 9:00 a.m. June 3. The first
rating was made seven days after treatment and the second rating 40 days after treatment.
There was 0.17 inch of rain seven days prior to treatment and 1.13 inches eleven days prior to
treatment. There was essentially no rain in June following treatment except for 0.46 inch on
June 29.

Conditions at time of treatment:

Air temperature 64° F

Soil temperature at 4 inches 78° F

Relative humidity 50%

Wind speed (mph) and direction 5 to 10 E

Cloud cover - % 0

Height No. of
inches leaves

Soybeans 3 1 trifoliolate

Redroot pigweed 2 4

Ivyleaf morningglory 2 3

Yellow nutsedge 3 3

Velvetleaf 2 4

(Dept. of Agronomy, University of Illinois, Urbana).

22

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Evaluation of bentazon plus atrazine rates and adjuvants

Knake, Ellery L., Fritz K. Koppatschek, Lyle E. Paul and David R. Pike

The purpose of this study was to evaluate two rates of a premix combination of bentazon
plus atrazine with various adjuvants. The study was established at the Northern Illinois
Agronomy Research Center near DeKalb on Drummer silty clay loam and Flanagan silt loam
with 5 to 6% organic matter. A randomized complete block design with four replications was
used. Individual plots were 10 by 40 ft. The area was moldboard plowed November 10, 1987 and
on May 2 a tandem disk with harrow was used twice. The soil was in a high state of fertility and
180 lb/A nitrogen was applied as ammonium nitrate. Pioneer 3540 corn was planted May 2 in 30
inch rows for a population of 28,300 plants per acre. Chlorpyrifos soil insecticide was band
applied at 9.8 lb/A.

All treatments were broadcast postemergence. For the first application, a tractor
mounted compressed air sprayer was used with flat fan nozzle tips. The first application was
May 28 between 2:00 and 3:00 p.m. A pressure of 30 psi was used and a speed of 3 mph to give
25 gpa. The boom was 20 inches above the soil surface. The second application was made June
28 between 1:00 and 2:00 p.m. using a hand held COo sprayer unit with flat fan nozzle tips, 42
psi pressure, 3 mph, and a boom height of 22 inches to give 20 gpa. There was 0.17 inch of rain
the day before the first application and 1.13 inches five days before but no significant rain for a
month after treatment. For the second application there was no significant rainfall during the
month prior to treatment but 0.46 inch the day following treatment. The first rating was 7 days
after treatment and the second rating 53 days after treatment.

Conditions at time of treatment:

Date

Air temperature at time of treatment

Air temperature—range for day

Soil temperature (9 4 inches

Relative humidity

Wind direction and speed

Cloud cover

Soil moisture

May 28

June 28

82° F

85° F

57-88° F

53-88° 1

75° F

80° F

45%

5096

S 10

W 10

0

0

Moist

Dry

Stage of growth:

May 28

Height
inches

No of
leaves

June 28

Height
inches

No of
leaves

Corn 5 4

Pennsylvania smartweed 4-5 4-5

Velvetleaf

20
6-8

7
8-10

(Dept. of Agronomy, University of Illinois, Urbana).

24

Table 15. Evaluation of bentazon plus atrazine (Knake, Koppatschek, Paul, and Pike).

Application

May 28 _ June 28

Rate %Control Pesw %Control Vele

Treatment lb/A 7 DAT 45 DAT 7 DAT 53 DAT

Check - untreated

Bentazon <5c atrazine + 28% UAN 0.415 + 0.415

Bentazon <5c atrazine + Dash 0.415 + 0.415

Bentazon <5c atrazine + COC 0.415 + 0.415

Bentazon <5c atrazine + 28% UAN 0.52 + 0.52

Bentazon <5c atrazine + Dash 0.52 + 0.52

Bentazon <3c atrazine + COC 0.52 + 0.52

LDS .05

0

0

0

0

100

100

53

17

100

100

33

10

100

100

33

17

100

100

57

13

100

100

37

17

100

100

40

20

0

0

11.0

17.6

28% UAN @ 1 gal/A, Dash @ 1 qt/A, COC @ 1 qt/A

COC - crop oil concentrate - 83% paraffin oil base, 16% surfactant, 1% inert

25

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

Corn no-till in alfalfa sod

Koethe, Robert W., Gary D. Bickmeier, Glenn A. Raines and Ellery L. Knake

The primary purpose of this study was to evaluate herbicides for control of alfalfa and
weeds for no-till corn in alfalfa sod. This 1988 study was at the Orr Agricultural Research and
Demonstration Center near Perry in western Illinois. It was on plot area 092 1(N) with Fayette
and Rozetta silt loam with 2% organic matter. The field had a good stand of alfalfa from a
seeding the previous year and was in a high state of fertility. Nitrogen at 240 lb/A as
ammonium nitrate was applied April 14. No tillage was used. Pioneer 3379 corn was planted in
30 inch rows on May 10 for a population of 24,200 plants per acre. Chlorpyrifos insecticide was
band applied at 8.7 lb/A. Individual plots were 10 ft x 60 ft in a randomized complete block
design with three replications.

Herbicides were broadcast 11:00 a.m. April 14 with a tractor mounted compressed air
spray unit with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. There was 0.37
inch of rain 8 days before spraying and 0.04 inch 4 days after. The next significant rain was
1.21 inches 21 days later. There was only 0.81 inch of rain during April and 3.47 inches in May.
Growing degree days for April, May and June respectively were 229, 480, and 637. Ratings were
made June 20. The 2,4-D formulation was 2-ethylhexyl low volatile ester. The crop oil
concentrate was 83% paraffin base petroleum oil with 16% surfactant as a blend and 1% inert.

Conditions on day of spraying:

Air temperature range 40-71° F

Bare soil temperature range (9 4 inches 46-64° F

Soil temperature under sod (9 4 inches 48-54° F

Relatively humidity 60-100%

Wind speed and direction 20 mph NE

All treatments gave very good control of alfalfa and of both annual grass and broadleaf
weeds. A good stand of corn was well established. With much of the land in this area of the
state on slopes subject to erosion, conservation practices are quite important. With the amount
of livestock in the area and also an alfalfa processing plant, legumes are an important
consideration and good alfalfa can be a valuable crop.

In 1987, postemergence herbicides for grass control plus 2,4-DB were very effective for
establishing an excellent stand of alfalfa in this plot area. In 1988, the success of these very
economical treatments with very modest amounts of herbicides for controlling vegetation for
no-till corn while leaving some protective mulch from the alfalfa illustrates very well the
feasibility of this system for resource conservation. Results are presented in the table. (Dept.
of Agronomy, University of Illinois, Urbana).

26

Table 16. No-till corn in alfalfa sod (Koethe, Bickmeier, Raines and Knake).

Rate
lb/A

1.0

Percent Contro

1

Corn Yield

Treatment

Alfalfa
94

Gift
97

Colq
95

bu/A

2,4-D

122.8

Dicamba

0.5

93

93

89

120.9

2,4-D + dicamba

0.5 +

0.5

96

93

93

126.4

Clopyralid

0.25

96

92

92

123.7

LSD .05 5.5 5.9 8.7 27.8

Atrazine (9 2 lb/A plus metolachlor (9 2 lb/A plus crop oil concentrate (9 0.68 qt/A was applied
to all plots tank mixed with the above.

27

Herbicides for no-till soybeans

Koethe, Robert W., Gary D. Bickmeier, Glenn A. Raines and Eliery L. Knake

The primary purpose of this study was to evaluate herbicide treatments for no-till
soybeans. The study was established in 1988 at the Orr Agricultural Research and
Demonstration Center near Perry in western Illinois. The plot area is designated as 0921(S) with
Rozetta silt loam having 2% organic matter and 2 to 7% slope. The field was in no-till corn the
previous year and had about 90% ground cover. The soil was in a high state of fertility. No
tillage was used. Pioneer 9361 soybeans were planted in 30 inch rows at 60 lb/ A on May 20.
Individual plots were 10 ft x 60 ft in a randomized complete block design with four
replications.

Herbicides were applied May 20 with a tractor mounted compressed air sprayer with flat
fan nozzle tips, 30 psi and 3 mph to give 25 gpa. There was 1.21 inches of rain 1 1 days before
spraying and a total of 2.24 inches the third and fourth days after spraying. There was a total
of 3.47 inches for May and 2.63 inches for June. Growing degree days for April, May and June
respectively were 229, 480 and 637. Ratings were made June 20. The 2,4-D formulation was 2-
ethylhexyl low volatile ester.

Conditions on day of spraying:

Air temperature range 46-84° F

Bare soil temperature range (9 4 inches 59-80° F

Soil temperature under sod (9 4 inches 60-69° F

Relative humidity 36-100%

Wind speed and direction 7 mph NE

Pan evaporation 0.39 inch

Since giant foxtail had emerged by time of treatment, glyphosate was quite advantageous
for burndown. Metolachlor, pendimethalin and cinmethylin each performed well for residual
control of annual grass. Metribuzin plus chlorimuron gave good control of annual broadleaf
weeds and control of horseweed was noted. Imazethapyr has potential for both postemergence
and preemergence activity but in earlier studies was weak on common lambsquarters. Addition
of 2,4-D helped to correct the deficiency but is not approved for the time of application used in
this study. Results are reported in the table. (Dept. of Agronomy, University of Illinois,
Urbana).

Table 17. Herbicides for no-till soybeans (Koethe, Bickmeier, Raines and Knake).

Treatment

Metribuzin 6c chlorimuron
+ metolachlor

Metribuzin <5c chlorimuron
+ metolachlor + glyphosate

Imazethapyr + pendimethalin
+ 2,4-D + glyphosate

Metribuzin & chlorimuron
+ pendimethalin + glyphosate

Metribuzin 6c chlorimuron
+ cinmethylin + glyphosate

LSD (0.05)

Rate
lb/A

Percent Control
Gift Colq

60 84

Soybean Yield
bu/A

0.35 + 0.035
+ 2.0

15.5

0.35 + 0.035
+ 2.0 + 1.0

98

87

20.0

0.094+ 1.0
0.5 + 1.0

97

88

24.7

0.35 + 0.035
1.0+ 1.0

93

88

22.8

0.35 + 0.035
1.0+ 1.0

96

89

21.0

4.5

9.1

3.8

X-77 (3 0.25% was added for each treatment

29

No till soybeans

Koethe, Robert W., Gary D. Bickmeier, Glenn A. Raines and Ellery L. Knake

The primary purpose of this study was to evaluate herbicides for no-till soybeans. The
study was conducted at the Orr Agricultural Research and Demonstration Center near Perry in
western Illinois. The plot area had Rozetta silt loam with 296 organic matter and 2 to 7%
slope. The area was in no-till corn the previous year. No tillage was used in 1988. The soil was
in a moderately high state of fertility and no fertilizer was applied in 1988. Pioneer 9361
soybeans were planted May 20 in 30 inch rows at 60 lb/ A.

Herbicides were broadcast on the morning of May 20 with a tractor mounted compressed
air spray unit with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. There was
1.21 inches of rain eleven days before spraying and a total of 2.24 inches of rain the third and
fourth days after spraying. There was a total of 3.47 inches for May and 2.63 inches for June.
Growing degree days for April, May and June respectively were 229, 480, and 637. Ratings were
made June 20. The 2,4-D formulation was 2-ethylhexyl low volatile ester. Plots were 10 ft x 50
ft in a randomized complete block design with three replications.

Conditions on day of spraying:

Air temperature range

Bare soil temperature range (9 4 inches

Soil temperature under sod (d 4 inches

Relative humidity

Wind speed and direction

Pan evaporation

46-84° F
59-80° F
60-69° F
36-100%
7 mph NE
0.39 inch

Since giant foxtail had already emerged by time of spraying, glyphosate was quite helpful
for burndown and treatments without it did not give adequate control of foxtail. Metolachlor
and cinmethylin each gave good residual control of giant foxtail. Metribuzin plus chlorimuron
or cyanazine plus 2,4-D gave good control of annual broadleaf weeds. Burndown as well as
preemergence activity was noted with these combinations. The 2,4-D is not approved for
application at the time used for this study. The relatively high rate of glyphosate for this study
was used because of a potential problem with tall fescue. A lower rate should be adequate for
burndown of many annual weeds. (Dept. of Agronomy, University of Illinois, Urbana).

Table 18. No-till soybeans (Koethe, Bickmeier, Raines and Knake).

30

Treatment

Metribuzin & chlorimuron
+ metolachlor

Metribuzin & chlorimuron
+ metolachlor + glyphosate

Metribuzin & chlorimuron
+ cinmethylin + glyphosate

Cyanazine + 2,4-D
+ cinmethylin

LSD .05

Rate

Percent Control

lb/A

Gift

Colq

0.35 + 0.035

28

87

+ 2.0

0.35 + 0.035

98

96

+ 2.0 + 2.0

0.35 + 0.035

96

90

1.0 + 2.0

2.0 + 0.5

20

93

1.0

9.6

6.5

No till corn in clover-fescue sod

Koethe, Robert W., Gary D. Bickmeier, Glen A. Raines and Ellery L. Knake

The primary purpose of this study was to evaluate treatments for controlling clover and
tall fescue sod for no-till planting of corn. The study was conducted at the Orr Agricultural
Research and Demonstration Center near Perry in western Illinois on Atlas silt loam with 1 to
2% organic matter and 12 to 18% slope subject to severe erosion. Red clover was established
two years earlier in the spring of 1986 and there was still some tall fescue which had been
prevalent in the area earlier. The area was in a moderately high state of fertility and 240 lb/A
nitrogen as anhydrous ammonia was applied April 14. Corn was planted in 30 inch rows on May
10 for a population of 24,200 plants/ A. Chlorpyrifos insecticide was banded at 6.7 lb/A.

Herbicides were applied the morning of May 3 with a tractor mounted compressed air
sprayer with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. Plots were 10 ft x
50 ft in a randomized complete block design with three replications. There was only 0.04 inch
of rain during the 26 day period prior to spraying and 1.21 inches the sixth day after spraying.
Ratings were made June 20.

Conditions on day of spraying:

Air temperature range 51-79° F

Bare soil temperature range (9 4 inches 51-72° F

Soil temperature under sod (9 4 inches 51-58° F

Relative humidity 26-84%

Wind speed and direction 12 SE

Pan evaporation 0.43 inch

The triazines plus glyphosate gave good control of the clover. However, control of tall
fescue was only fair. Control of annual broadleaf and grass weeds was also considered only fair
under the conditions of this study. Corn can be grown no-till in red clover sod, but it is best not
to have perennial grass present and favorable moisture is important for triazines to be effective
on the clover. (Dept. of Agronomy, University of Illinois, Urbana).

Table 19. No-till corn in clover-fescue sod (Koethe, Bickmeier, Raines and Knake).

Rate
Treatment lb/A

Percent Control

Corn Yield

Tafe Gift

Colq

bu/A

43 78

75

33.8

67 70

82

20.7

58 82

82

18.1

Atrazine + metolachlor 3.0 + 2.0

Cyanazine + metolachlor 3.0 + 2.0

Cyanazine + atrazine 1.5 + 1.5

+ metolachlor 2.0

Cyanazine & atrazine 2.0 +1.0 62 80 82 7.6

+ metolachlor 2.0

LSD .05 24.3 13.2 13.9 38.0

Glyphosate (d 2 lb/A and 1.0 qt/A of crop oil concentrate with 83% paraffin base petroleum oil,
16% surfactant, and 1% inert was added to each treatment in a tank mix.

31

Herbicides for establishment of red clover

Koethe, Robert W., Gary D. Bickmeier, Glenn A. Raines and Ellery L. Knake

The primary purpose of this study was to evaluate herbicides for establishment of red
clover. The study was conducted at the Orr Agricultural Research and Demonstration Center
near Perry in western Illinois on area 1923E with Rozetta and Elco silt loam with 1 to 2%
organic matter and 7 to 12% slope subject to severe erosion. The previous crop was no-till
soybeans. The field was in a moderately high state of fertility and no fertilizer was applied. On
April 14, the area was disked twice, herbicides broadcast, and the area disked two more times.
Red clover was seeded April 19 at 8 lb/ A and a tandem corrugated roller used for firming.
Individual plots were 10 ft x 50 ft in a randomized complete block design.

Herbicides were applied at 8:00 p.m. April 14 with a tractor mounted compressed air spray-
unit with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. There was 0.37 inch of
rain 8 days before spraying and very little rain until 1.21 inches fell 25 days after spraying.

Conditions on day of spraying:

Air temperature range 41-73° F

Bare soil temperature range (9 4 inches 45-65° F

Soil temperature under sod (9 4 inches 49-55° F

Relative humidity 32-100%

Wind speed and direction 17 mph NW

EPTC and the dinitroanilines provided fair to good weed control with relatively good
tolerance for red clover. (Dept. of Agronomy, University of Illinois, Urbana).

Table 20. Herbicides for establishment of red clover (Koethe, Bickmeier, Raines and Knake).

Rate Percent Control

Treatment lb/A Gift Colq

EPTC 3.0 33 82

EPTC <5c dichlormid <3c dietholate 3.0 57 83

Trifluraiin 1.0 87 75

Pendimethalin 1.0 94 93

LSD .05 16.0 18.2

32

Herbicides for establishing alfalfa and clover

Koethe, Robert W., Gary D. Bickmeier, Ellery L. Knake and Glenn A. Raines

The primary purpose of this study was to evaluate herbicides for weed control for
establishing alfalfa and clover and to determine if there was any antagonistic effect from
adding 2,4-DB to herbicides for control of grass weeds. The study was conducted in 1988 at the
University of Illinois Orr Agricultural Research and Demonstration Center in western Illinois
near Perry on plot area designated as 0122. The area has Rozetta silt loam with 2% organic
matter and 2 to 7% slope subject to moderate to severe erosion. A randomized complete block
design with four replications was used with individual plots 10 x 55 ft. The field was in no-till
soybeans in 1987 and in no-till corn in legume sod in 1986. The area was disked three times and
8 lb/A of seed planted with a drill on March 23.

Herbicides were broadcast May 31 with a tractor mounted compressed air spray unit with
flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa. Air temperature ranged from 55
to &7° F, soil temperature under sod 63 to 68° F and humidity 28 to 100%. Wind was from the
SE at 3 mph and pan evaporation was 0.35 inch. There was 2.05 inches of rain 7 days before
spraying and 1.38 inches 9 days after. At time of spraying, alfalfa was k to 6 inches tall, red
clover 3 to 4 inches, giant foxtail 6 inches and common lambsquarters 6 inches. Weed control
ratings were made June 20. All herbicides for grass control gave excellent control except for
dalapon with a mean of 82% control. No significant crop injury was noted and no significant
antagonism due to addition of 2,4-DB. (Dept. of Agronomy, University of Illinois, Urbana).

Table 21. Herbicides for establishing alfalfa and clover (Koethe, Bickmeier, Knake and
Raines).

Rate

% Control

Treatment

lb/A

Gift

Sethoxydim

0.188

98

Seth + 2,4-DB

0.188 + 0.5

99

Fluazifop-P

0.188

99

Flfp-P + 2,4-DB

0.188 + 0.5

99

Quizalofop

0.075

98

Qufp + 2,4-DB

0.075 + 0.5

92

Mefluidide

0.5

100

Mefl + 2,4-DB

0.5 + 0.5

100

Dalapon

5.25

79

Dala + 2,4-DB

5.25 + 0.5

85

Haloxyfop

0.125

98

Halx + 2,<f-DB

0.125 + 2,4-DB

98

Check - untreated

0

LSD 0.05

6.6

33

Herbicides for alfalfa establishment

Koethe, Robert W., Gary D. Bickmeier, Ellery L. Knake and Glenn A. Raines

The primary purpose of this study was to evaluate herbicides for control of giant foxtail
for establishment of alfalfa. The study was conducted in 1988 at the Orr Agricultural Research
and Demonstration Center in western Illinois near Perry on plot area designated as 1224. This
area is Fayette silt loam with 2% organic matter and 7% slope. A randomized complete block
design was used with four replications and plots 10 x 25 ft. The area was in no-till soybeans in
1987. On April 14, it was disked three times, seeded with 8 lb/A of Pioneer 5010 alfalfa and
then firmed with a tandem corrugated roller.

Herbicides were broadcast May 21 from 2:00 to 3:00 p.m. with a tractor mounted
compressed air sprayer with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa.
There was 2.05 inches of rain 7 days earlier and 1.38 inches 9 days after spraying. A
dimethylamine salt formulation of 2,4-DB was tank mixed with each herbicides treatment at 0.5
lb/A. At time of spraying, alfalfa was 4 to 6 inches, giant foxtail 6 inches and common
lambsquarters 6 inches. Ratings were made June 20.

Conditions on day of spraying:

Air temperature range 55-87° F

Bare soil temperature 64-79° F

Soil temperature under sod at 4 inches 63-68° F

Relative humidity 28-100%

Pan evaporation 0.35 inch

Wind 3 SE

Cumulative growing degree days 867

All herbicides for grass control except mefluidide and dalapon gave better than 90%
control of giant foxtail with the lower rates generally being adequate. The 2,4-DB gave good
control of annual broadleaf weeds. This study illustrates the effectiveness of herbicides for
good weed control for establishing alfalfa. (Dept. of Agronomy, University of Illinois, Urbana).

(Koethe, Bickmeier, Knake and Raines).

34

Table 22. Herbic

ides for alfalfa establishment

Rate

Percent Control

Treatment

lb/A

Gift

Colq

Sethoxydim

0.125

96

93

Sethoxydim

0.25

97

87

Fluazifop-P

0.125

93

95

Fluazifop-P

0.25

92

89

Mefluidide

0.25

69

85

Mefluidide

0.5

73

93

Clethodim

0.125

92

80

Clethodim

0.25

98

89

Dalapon

2.625

55

85

Dalapon

5.25

78

89

Haloxyfop

0.125

95

90

Haloxyfop

0.25

95

92

2,4-DB only

0.5

0

92

Check untreated

/

0

0

LSD 0.05

10.8

9.5

2,4-DB (3 0.5 ib/A used with each herbicide treatment

Cultivation with and without herbicides for corn

Koethe, Robert W., Gary D. Bickmeier, Glenn A. Raines and Ellery L. Knake

The primary purpose of this study was to illustrate the benefits of using herbicides as well
as cultivation for corn. This study was conducted at the University of Illinois Orr Agricultural
Research and Demonstration Center in western Illinois near Perry. The area had been chisel
plowed the previous fall. It was in a relatively high state of fertility and 240 lb/A nitrogen was
applied as anhydrous ammonia on April 14. A premixed combination of 3 lb/A cyanazine plus
1.3 lb/A atrazine with the addition of 1 qt/A crop oil concentrate with 83% paraffin base
petroleum oil, 16% surfactant and 1% inert was broadcast for the herbicide plots. Application
was made May 3 with a tractor mounted compressed air spray unit with flat fan nozzle tips, 3
psi pressure, and 3 mph to give 25 gpa. Pioneer 3379 corn was planted in 30 inch rows May 16
for a population of 26,000 plants/A. All plots were cultivated once on June 14. Ratings were
made July 9.

Conditions on day of spraying:

Air temperature range 51-79° F

Bare soil temperature at 4 inches 51-72° F

Soil temperature under sod at 4 inches 51-58° F

Relative humidity 26-84%

Pan evaporation inches 0.43

Wind (mph) 12 SE

Cumulative growing degree days 428

Sky Cloudy

This study illustrates very well the benefits for using herbicides to complement cultivation for
weed control. (Dept. of Agronomy, University of Illinois, Urbana).

Table 23. Cultivation with and without herbicides for corn. (Koethe, Bickmeier, Raines and
Knake)

Percent Control Corn Yield bu/A

No herbicide Herbicide No herbicide Herbicide

Gift Colq Gift Colq

41 46 98 99 27.6 59.6

LSD .05 for yield = 14.5

Gift = 16.2
Colq = 25.1

35

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

No-till corn in alfalfa and clover sod

Knake, Ellery L., William S. Curran, Robert W. Frazee and Michael J. Mainz

The primary purpose of this study was to evaluate herbicides for control of alfalfa and red
clover for no-till corn. The study was conducted at the Northwestern Illinois Agricultural
Research and Demonstration Center near Monmouth on Tama silt loam with 3% organic matter,
4 to 7% slope, slight to moderate erosion and 5.5 pH. Soil was high in phosphorus and potassium
and 180 lb/A nitrogen was applied as urea on April 22. The alfalfa and clover were seeded in
separate strips each 45 ft wide in the spring of 1986 and was well established. Individual plots
were 10 ft x 45 ft in a randomized complete block design with four replications. Pioneer 3475
corn was planted April 20 in 30 inch rows for a population of 27,700 plants/A. No tillage or
cultivation was used. The only significant rain during the two weeks prior to spraying was 0.49
inch 13 days earlier. There was only 0.25 inch for the remainder of April, 1.64 inches in May
and 0.84 inch in June.

Herbicides were broadcast 10:30 to 11:30 a.m. April 19 with a tractor mounted
compressed air sprayer with flat fan nozzle tips, 30 psi pressure and 3 mph to give 25 gpa.
Alfalfa was 6 inches high, clover 3 inches and lambsquarters 0.5 inch with 2 leaves. The 2,4-D
formulation was 2-ethylhexyl low volatile ester. Ratings were made May 26 for clover, alfalfa
and weeds and again on July 8 for alfalfa.

Conditions on day of application:

Air temperature range 27-53° F

Soil temperature range (9 4 inches 44-53° F

Relative humidity range 22-70%

Wind speed and direction 1.5 mph SW

Sky Clear

All treatments gave good control of the clover. Triazines alone gave 93% control of
clover and addition of a translocated herbicide increased this to 100%. The best control of
alfalfa was achieved with 2,4-D plus dicamba. Control of giant foxtail and velvetleaf was fair
to good in alfalfa and a little better in clover. The denser mulch from clover may have
contributed to the better control. (Dept. of Agronomy, University of Illinois, Urbana).

36

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37

Nitrogen rates for no-till corn in legume sod

Mainz, Michael J., William S. Curran, Robert W. Frazee and Ellery L. Knake

The primary purpose of this study was to attempt a delineation of nitrogen rates for no-
till corn in legume sod to determine how much nitrogen is added by the legumes and what rates
would be appropriate for additional nitrogen. The study was established in 1988 at the
Northwestern Illinois Agricultural Research and Demonstration Center near Monmouth on plot
area C-ll with Tama silt loam having 396 organic matter, 5.5 pH and 296 slope. The P. test was
53 and the K test 456. Alfalfa and red clover were seeded in the spring of 1986 in individual
strips 45 feet wide and were well established.

Pioneer 3475 corn was planted April 20, 1988 in 30 inch rows for a population of 27,700
plants/A. Nitrogen was applied as urea on April 21 to give 0, 40, 80, 120 and 160 lb/A
nitrogen. Herbicides were broadcast April 29 with a tractor mounted sprayer with flat fan
nozzle tips, 30 psi pressure and 4 mph to give 20 gpa. Alfalfa was 5 to 7 inches high and clover
3 to 5 inches. There was little other vegetation present. The herbicide application consisted of
0.25 lb/A dicamba plus 0.5 lb/A 2,4-D low volatile iso-octyl ester plus 2 lb/A atrazine and 2.5
lb/A metolachlor broadcast on the entire area.

Conditions at time of spraying:

Soil temperature under sod 4 inches - range 43-53° F

Bare soil temperature 4 inches 33-65° F

Air temperature - range for day 43-63° F

Relative humidity 20-75%

Wind (mph) 7.5 WNW

Cloud cover 0

There was 0.25 inch of rain during the week prior to spraying and 0.57 inch the tenth day
after spraying. Rainfall was 1.19, 1.64 and 0.84 inch for April, May and June respectively. A
randomized complete block design with four replications was used.

Analysis indicated that corn yields were higher after clover than after alfalfa. This may
have been due to greater moisture use by the alfalfa than by the clover. At this yield level, the
nitrogen supplied by the legumes was apparently adequate with no significnt yield increase from
addition of nitrogen fertilizer. (Dept. of Agronomy, University of Illinois, Urbana).

Table 25. Nitrogen rates for corn in legume sod (Mainz, Curran, Frazee and Knake).

Corn Yield

Nitrogen rate

bu/A

Alfalfa

Clover

0

52.3

74.6

40

49.7

80.6

80

54.0

75.7

120

58.4

80.9

160

59.6

73.9

38

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

Effect of pH, tillage and chlorimuron rate on residual effect on corn

Baird, Dale L., Ellery L. Knake and Lyle E. Paul

The primary purpose of this study was to evaluate the potential for chlorimuron applied
for soybeans to carryover and affect corn the following year and two years later.

The study was established at the Northeastern Illinois Agronomy Research Center near
Elwood on soil ranging from Drummer silty clay loam to Andres silt loam and organic matter of
2 to 596. For first year corn after soybeans three tillage systems were compared: (1) no-till
corn into soybean stubble, (2) large disk (April 20, 1988) followed by a field cultivator and
harrow (May 5, 1988), and (3) chisel (April 19, 1988) followed by a field cultivator and harrow
(May 5, 1988).

For second year corn the following tillage was performed: shredded stalks (April 14,
1988), chisel (April 19, 1988), disk and harrow (April 20, 1988), and field cultivate and harrow
(May 5, 1988). Previously in 1987, the first year of the continuous corn had the following tillage
treatments after soybeans: (1) no-till corn into soybean stubble, (2) large disk (April 30, 1987)
followed by a smaller tandem disk and harrow (May 4, 1987), and (3) chisel (November 26, 1986)
plus tandem disk and harrow (May 4, 1987).

Main plots with tillage are replicated three times and subplots have soil pH adjusted to
5.5, 6.5 and 7.5. The plots are further divided for four rates of chlorimuron which was applied
prior to planting soybeans. The first year corn study had chlorimuron applied on May 14, 1987
immediately after planting soybeans and the second year corn study had chlorimuron applied on
May 6, 1986 immediately after planting soybeans. Chlorimuron rates were 0, 0.5, 1.0 and 1.5
oz/A a.i. Tillage plots are 40 x 240 feet, pH plots are 40 x 80 feet and herbicide rate plots are
10 x 80 feet.

Nitrogen as 28% UAN was applied at the rate of 240 lb/A nitrogen to all plots on May 4,
1988. Pioneer 3475 corn was planted and Lorsban insecticide (1 lb a.i. /A) applied with the
planter on May 5, 1988 to give 24,000 plants per acre. All plots had 3 lb/A alachlor applied
preemergence on May 10, 1988 and 1 lb/A bentazon plus 1 qt/A COC were applied
postemergence on May 31, 1988. All plots were cultivated on June 9, 1988. Hand hoeing was
done on June 18, 1988 to maintain all plots weed free. Carbaryl was aerially applied at the rate
of 0.5 lb/A on July 20, 1988 to all plots to control corn rootworm beetles. Corn plant
populations were counted in 10 feet of row per plot on June 2, 1988. Corn heights were
measured on July 2, 1988. Diameter of the stem of corn plants measured at the center of the
4th internode on July 8, 1988. Tassel emergence was determined on July 20, 1988, Plots were
harvested on October 13, 1988.

Limited precipitation was received during the 1988 growing season. Precipitation was as
follows: May 1-May 31, 1.97 inches; June 1-June 30, 0.38 inches; July 1-July 31, 1.22 inches;
August 1 -August 18, 1.49 icnhes. Total May 1 -August 18, 5.06 inches. Results are reported in
the tables. (Department of Agronomy, University of Illinois, Urbana).

39

Table 2 6. Effect of pH, tillage and chlorimuron rate on residual effect on 1st year corn
(Elwood, 1988) (Baird, Knake and Paul).

I

3-Till

Disk

Ch

isel

Chlorimuron

PH

PH

pH

1987 - (oz/A)

5.5

6.5

7.5

5.5

6.5

7.5

5.5

6.5

7.5

Corn Height - Inches 7/2/88

0

38.2

41.8

42.7

45.4

42.2

47.2

47.3

48.2

48.7

0.5

39.9

44.2

38.5

46.2

45.7

46.4

47.6

48.4

47.4

1.0

36.6

40.8

38.4

47.4

47.3

44.5

44.7

46.4

45.0

1.5

34.7

42.4

36.1

47.6

46.0

40.8

45.7

46.3

44.0

Stem Diameter -

- Inches

7/8/88

0

0.73

0.74

0.80

0.80

0.86

0.84

0.84

0.88

0.84

0.5

0.76

0.85

0.80

0.82

0.88

0.83

0.84

0.90

0.86

1.0

0.75

0.83

0.70

0.85

0.88

0.78

0.84

0.86

0.82

1.5

0.80

0.80

0.66

0.87

0.84

0.81

0.82

0.90

0.73

Corn Plants/ 10 ft. row

6/2/88

0

13.2

13.5

13.8

12.7

12.5

13.2

12.2

12.7

12.0

0.5

12.8

13.0

12.8

11.7

12.0

12.3

12.7

11.8

13.2

1.0

13.7

14.0

12.8

12.7

12.8

12.7

12.3

12.5

11.8

1.5

12.7

13.2

12.8

11.8

12.7

12.0

11.5

13.2

12.8

Percent Tassel Emergence

7/16/88

0

55

76

90

98

83

97

96

95

94

0.5

66

90

84

93

93

96

95

94

97

1.0

65

74

42

96

93

80

87

88

85

1.5

60

71

40

89

95

61

83

86

76

]

Dercent Silk Emergence

7/20/88

0

20

43

33

43

18

46

53

75

58

0.5

34

50

39

50

68

72

48

78

50

1.0

10

39

15

70

63

54

33

50

55

1.5

12

40

35

50

48

5S

25

40

25

40

Table 2 7. Effect of pH, tillage and chlorimuron rate on residual effect on 2nd year corn
(Elwood, 1988) (Baird, Knake and Paul).

1

D-Till

Disk

Chisel

Chlorimuron

pH

pH

PH

1987 -(oz/A)

5.5

6.5

7.5

5.5

6.5

7.5

5.5

6.5

7.5

Corn He

ight - Inches 7/2/88

0

40.7

40.4

40.6

41.8

42.1

40.4

38.3

43.5

40.2

0.5

39.4

38.6

38.1

44.6

43.5

40.8

38.4

43.8

38.3

1.0

40.2

39.3

40.1

42.7

44.7

39.8

36.4

43.7

40.7

1.5

38.1

39.5

38.4

42.7

43.0

39.4

38.7

44.4

37.6

Stem Diameter ■

- Inches

7/8/88

0

0.79

0.72

0.77

0.77

0.80

0.73

0.78

0.84

0.75

0.5

0.76

0.79

0.77

0.91

0.77

0.76

0.77

0.78

0.73

1.0

0.73

0.72

0.79

0.79

0.76

0.80

0.74

0.80

0.77

1.5

0.76

0.71

0.80

0.78

0.80

0.73

0.74

0.77

0.74

Corn Plants/ 10 ft. row

6/2/88

0

12.2

11.7

11.2

11.2

12.3

11.0

11.5

11.7

12.0

0.5

11.5

11.3

12.2

11.2

12.0

12.0

11.8

13.0

12.2

1.0

12.3

11.8

13.0

11.8

11.8

11.3

12.2

12.2

11.3

1.5

12.2

12.0

12.8

13.0

12.7

12.0

11.5

12.5

11.7

Percent Tassel Emergence

7/16/88

0.

83

56

50

83

59

57

53

62

50

0.5

55

55

51

74

74

53

69

68

39

1.0

46

33

40

68

73

47

64

64

52

1.5

36

23

37

60

69

48

51

53

34

41

Table 2 8. Effect of pH, tillage and chlorimuron rate on residual effect on 1st year corn
(Elwood, 1988) (Baird, Knake and Paul).

Tillage

Zero

Disk

Chisel

i

Corn bu/A

pH

oz/A chlorimuron 1987

0

0^5

U)

hi

Mean

5.5

40.2

53.6

44.9

46.2

46.2

6.5

56.7

60.7

57.0

54.2

57.2

7.5

46.1

48.3

50.6

41.1

46.5

Mean

47.7

54.2

50.8

47.2

50.0

5.5

62.2

65.0

63.7

62.1

63.2

6.5

59.4

56.9

68.7

68.8

63.5

7.5

52.7

61.7

54.1

61.4

57.5

Mean

58.1

61.2

62.1

64.1

61.4

5.5

52.5

54.9

55.6

52.9

54.0

6.5

46.8

49.5

60.4

53.9

52.6

7.5

58.0

49.7

51.8

45.4

51.2

Mean

52.4

51.4 55.9 50.7 52.6

Mean

52.7 55.6 56.3 54.0

54.7

Table 29. Effect of pH, tillage and chlorimuron rate on residual effect on 2nd year corn
(Elwood, 1988) (Baird, Knake and Paul)

Tillage pH

Corn bu/A

oz/A chlorimuron 1986

Zero

Disk

Chisel

5.5
6.5
7.5

Mean

5.5
6.5
7.5

Mean

5.5
6.5
7.5

0

0^5

L0

hi

Mean

43.8

33.5

25.6

35.8

34.6

28.3

31.5

19.1

28.3

26.8

21.8

18.9

14.4

16.5

17.9

31.3

27.9

19.7

26.9

26.4

36.3

34.6

42.4

42.4

38.9

22.1

32.4

34.5

34.1

30.7

25.4

21.2

25.5

35.0

26.8

27.9

29.4

34.1

37.1

32.1

22.5

21.8

23.5

26.3

23.5

36.1

33.9

42.9

28.7

35.4

25.3

21.3

26.3

15.6

22.1

42

Mean

28.0 25.7 30.9 23.5

27.0

Mean

29.1

27.7

28.2 29.2 28.5

MULTI-SITE

Potential for injury to corn from residual clomazone, imazaquin, imazethapyr, and chlorimuron

Curran, William S. and Ellery L. Knake

The objective of this study is to determine the potential of four soybean herbicides to
persist and injure corn the year following application. Previous results for 1986 and 1987 were
reported in volume 44:170-172 of the NCWCC Research Report. Studies were repeated with
imazaquin, imazethapyr, clomazone, and chlorimuron applied to soybeans in 1987 and the plots
planted to corn in 1988 at two locations in Illinois. As in 1986, soybean herbicides were
surface-applied using four rates of each at DeKalb and Monmouth Illinois. Chloramben was
applied at 3.0 lb/A for the check treatments. The experiment location at DeKalb was on a
drummer silty clay loam with approximately 6.0% organic matter and a soil pH of 6.1. The
Monmouth soil was a muscatine silt loam with a 4.5% organic matter and soil pH of 7.0. Both
studies were established as randomized complete block designs with four replications. Tillage
prior to soybean planting included fall chiseling and spring disking at both locations. Herbicides
were applied May 6 at Monmouth and May 8 at DeKalb with a tractor mounted compressed air
sprayer operated at 30 psi calibrated to give 25 gpa. Soybeans were grown in 1987 and
evaluated for crop tolerance. In 1988, Pioneer 3377 corn was planted no-till in the soybean

stubble. At DeKalb, 120 lb/A each of P2°5 and K2°> Plus 180 lb^A N were aPPlied Prior to
planting corn. Monmouth fertility levels were P. = 95, K test of 552, and 180 lb/ A N was
applied prior to corn planting. A combination of alachlor at 3.0 lb/A plus 2.0 lb/A atrazine was
broadcast over the entire corn plot areas for annual weed control. In addition, 2,4-D
(butoxyethyl ester) was applied preplant at a rate of 0.25 lb/A for broadleaf weed control at
Monmouth. Early rainfall and soil moisture were low at Monmouth in both the 1987 and 1988
seasons. DeKalb rainfall was near normal in 1987, and approximately 65 percent of normal from
May through September in 1988. Corn was cultivated at both locations and all plots of soybeans
and corn were maintained weed-free by hand weeding. The corn was evaluated for plant
emergence and stand, early and mid-season injury, early and mid-season plant height, seedling
dry weight, stalk diameter, and grain yield. Early season evaluations were taken on May 24 at
DeKalb and May 25 at Monmouth when the corn was in the 3 to 4 leaf stage of development.
Mid-season evaluations were taken on July 7 at DeKalb and July 8 at Monmouth when the corn
was at pre-tassel. Visual ratings were expressed as a percent bleaching or whiteness for
clomazone and percent stunting or chlorosis for imazaquin, imazethapyr, and chlorimuron.

As in 1986, soybean tolerance was good in 1987 at all rates at both locations (Table 3°).
Early season corn injury in 1988 was moderate with clomazone at DeKalb and only slight at
Monmouth (Tables 31 and 32). However, by mid-season, corn had completely recovered from
clomazone injury at both locations. Imazaquin and imazethapyr corn injury was slight early and
mid-season at both locations. Chlorimuron injury to corn was greatest at Monmouth where corn
injury averaged 15 percent early and 14 percent mid-season (Table 3 2). At DeKalb, corn injury
was slight early and mid-season from the highest rates of chlorimuron. Corn yields indicated
recovery at both locations. However, the 1.0 and 0.188 lb/ A treatments of clomazone and
imazaquin respectively, had significant grain yield reductions at DeKalb. Early season drought
stress may have contributed to the reduced yields in these treatments. (Department of
Agronomy, University of Illinois, Urbana).

43

Table 3d Effect of herbicides on weed-free soybeans - 1987 (Curran and Knake).

lb/A DeKalb Monmouth

Clomazone

0.75

43.8

51.1

Clomazone

1.0

42.1

50.2

Clomazone

1.5

42.8

50.5

Clomazone

2.0

44.9

49.8

Imazaquin

0.063

43.0

50.4

Imazaquin

0.125

43.8

49.4

Imazaquin

0.188

42.7

50.2

Imazaquin

0.25

45.7

50.6

Imazethapyr

0.047

42.8

47.7

Imazethapyr

0.094

42.8

51.1

Imazethapyr

0.141

43.4

49.8

Imazethapyr

0.188

41.3

50.0

Chlorimuron

0.016

42.0

50.8

Chlorimuron

0.031

40.5

47.4

Chlorimuron

0.063

41.2

48.0

Chlorimuron

0.094

42.6

50.4

Chloramben

3.0

41.4

49.0

LSD (0.05)

4.9

3.8

Table 3L Effect of clomazone, imazaquin, imazethapyr, and chlorimuron on rotational corn at
DeKalb - 1988 (Curran and Knake).

44

Injury

Plant ht.

Seedling

Grain

Herbicide

Rate

Early

Late

Early

Late

dry wt.

Yield

(lb/A)

(%)--

(cm)-

--(g)-

(bu/A)

Clomazone

0.75

3

1

19.9

155.1

1.14

169.0

Clomazone

1.0

5*

2

19.5

148.2*

1.14

145.9*

Clomazone

1.5

5*

1

20.8

158.2

1.12

160.8

Clomazone

2.0

21*

1

18.2*

159.6

0.97*

157.7

Imazaquin

0.063

0

0

20.2

151.5

1.14

155.9

Imazaquin

0.125

0

0

20.7

156.3

1.26

163.1

Imazaquin

0.188

0

1

19.7

152.4

1.17

151.6*

Imazaquin

0.25

1

1

19.8

147.7*

1.16

155.0

Imazethapyr

0.047

0

0

20.5

161.2

1.43

165.0

Imazethapyr

0.094

0

0

19.2

163.4

1.13

160.9

Imazethapyr

0.141

1

0

20.4

154.0

1.32

157.9

Imazethapyr

0.188

0

0

21.2

151.5

1.48

168.8

Chlorimuron

0.016

0

0

20.8

159.0

1.25

159.6

Chlorimuron

0.031

0

2

21.1

164.6

1.34

164.0

Chlorimuron

0.063

0

4*

20.3

155.6

1.22

157.3

Chlorimuron

0.094

2

5*

17.9*

160.8

1.01*

158.6

Chloramben

3.0

0

0

21.0

160.8

1.38

165.9

LSD (0.05)

3

3

1.9

11.3

0.30

14.2

*Significantly differs from chloramben check treatment.

Table 3 2. Effect of clomazone, imazaquin, imazethapyr, and chlorimuron on rotational corn at
Monmouth - 1988 (Curran and Knake).

Injury

Plant ht.

Seedling

Grain

Herbicide

Rate

Early

Late

Early

Late

dry wt.

Yield

(lb/A)

(%)

(cm)-

-(g)-

(bu/A)

Clomazone

0.75

2

1

33.0

198.9

2.10

134.3

Clomazone

1.0

3

1

32.5

197.3

2.22

130.1

Clomazone

1.5

2

2

31.2

200.7

1.96

130.0

Clomazone

2.0

3

1

32.0

193.1

1.95

127.7

Imazaquin

0.063

2

0

33.2

203.5

2.10

135.7

Imazaquin

0.125

1

0

32.3

203.5

2.17

126.7

Imazaquin

0.188

0

1

33.7

198.0

2.04

132.1

Imazaquin

0.25

5*

2

32.2

198.6

2.10

138.8

Imazethapyr

0.047

1

0

33.4

201.9

2.12

135.3

Imazethapyr

0.094

3

1

30.4

200.7

1.93

142.3

Imazethapyr

0.141

4

1

32.9

201.2

2.18

133.1

Imazethapyr

0.188

3

2

33.3

198.5

2.02

144.0

Chlorimuron

0.016

4

2

31.0

196.3

1.89

133.4

Chlorimuron

0.031

5*

4

29.0

197.2

1.78

127.9

Chlorimuron

0.063

9*

11*

27.7*

198.4

1.97

126.1

Chlorimuron

0.094

15*

14*

24.1*

192.3

1.37*

139.0

Chloramben

3.0

0

0

32 .5

202 .0

2 .20

141 .4

LSD (0.05)

4

6

4.5

10.9

0.50

18.9

*Significantly differs from chloramben check treatment.

45

APPENDIX

WEATHER CONDITIONS - 1988

46

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

APRIL 1988

Soil Temp °F Precipitation

Date Air Temp °F 4" bare soil Humidity % inches

Min. Max. Min. Max. Min. Max.

1 36 ^f9 T

2 42 60 .81
3
4

5 45 80 .40

6 40 58 1.09
7
8
9

10

11

12

13 .07

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

36

49

42

60

42

52

46

68

45

80

40

58

37

62

35

65

39

67

39

50

40

57

36

64

35

74

38

53

30

54

32

62

40

77

30

53

27

53

34

55

26

48

39

53

36

46

35

58

38

68

40

57

35

43

34

62

32

67

36

75

35

54

43

94

.10

56

100

.05

48

88

.54

75

100

42

94

41

86

50

100

.21

80

100

.14

84

100

35

100

28

84

47

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

MAY 1988

Soil Temp °F

Precipitation

Date

Air Tei

np °F

4" bare soil

Humidity %

inches

Min.

Max.

Min. Max.

Min.

Max.

1

38

75

28

75

2

39

78

30

66

3

43

75

36

70

4

39

68

35

92

5

40

74

34

62

6

43

82

32

64

7

45

87

28

72

8

52

87

40

98

.35

9

52

61

70

98

.06

10

50

72

40

90

11

44

77

33

92

12

56

80

45

96

.36

13

44

70

34

70

14

39

86

26

76

15

60

80

43

87

.30

16

47

70

52

98

.02

17

40

72

44

87

18

41

77

40

75

19

45

82

35

82

20

46

84

40

74

21

52

88

36

94

22

57

88

42

74

23

55

76

60

100

1.13

24

43

69

37

90

25

35

70

35

90

T

26

43

80

30

90

T

27

50

85

30

74

.17

28

57

88

30

88

29

59

90

25

71

30

59

92

34

80

31

60

89

36

76

48

NORTHERN ILLINOIS AGRONOMY RESEARCH CENTER - DEKALB

JUNE 1988

Soil Temp °F

Precipitation

Date

Air Tei

np °F

4" bare soil

Humidity %

inches

Min.

Max.

Min. Max.

Min.

Max.

1

60

94

37

78

2

54

82

54

74

3

46

74

40

80

4

46

82

37

71

5

56

88

40

63

6

59

91

39

61

7

62

94

42

62

8

50

89

51

85

9

44

71

37

92

10

42

78

45

72

11

46

86

37

71

12

50

88

39

84

13

56

94

40

77

14

62

86

55

79

15

64

88

43

74

16

58

86

40

86

T

17

51

82

37

95

T

18

55

90

36

83

19

62

89

36

66

20

70

101

40

90

21

68

101

42

92

22

68

94

50

76

23

59

84

42

78

24

59

86

54

76

25

66

102

42

76

26

52

76

40

96

27

49

84

37

82

28

53

88

47

100

T

29

47

70

41

100

.46

30

42

74

35

99

49

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

APRIL 1988

Soil Temp °F

Precipitation

Date

Air Temp °F

4" bare

soil

Humic

lity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

41

55

39

47

80

100

2

46

58

44

49

100

100

.27

3

45

77

48

60

37

100

.11

4

42

59

45

54

66

100

5

47

80

44

61

42

100

6

45

86

49

68

56

100

.37

7

41

61

44

56

30

100

8

43

70

43

62

35

100

9

44

71

46

62

43

100

10

44

75

50

65

37

100

11

39

47

45

51

88

100

12

40

65

44

59

38

94

13

35

67

45

64

42

100

14

41

73

45

65

32

100

15

34

52

44

61

40

90

16

31

55

43

59

42

100

17

40

64

42

62

36

100

18

40

71

46

64

60

100

.04

19

29

54

42

61

26

84

20

34

5^

42

60

52

100

21

35

74

47

64

56

100

22

43

56

47

54

58

100

T

23

45

78

47

64

64

100

24

32

51

44

55

80

100

25

40

62

42

65

40

100

26

38

69

49

64

54

100

27

40

71

47

60

40

100

T

28

39

57

45

57

52

100

29

32

67

44

63

30

100

30

35

71

45

69

28

100

50

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

MAY 1988

Soil Te

mp °F

Precipitation

Date

Air Temp °F

4" bare soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

36

74

47

70

26

100

2

39

77

50

71

74

100

3

51

79

51

72

26

84

4

48

69

54

63

72

88

5

40

70

53

68

48

100

T

6

40

78

51

73

46

100

7

49

81

54

75

22

100

8

53

84

56

73

38

100

9

52

81

56

71

76

100

1.21

10

52

71

53

65

58

88

11

46

75

51

69

38

100

12

51

79

53

76

42

100

13

64

84

59

78

42

100

14

49

80

61

80

52

100

15

56

88

60

80

50

100

16

52

76

60

70

74

100

T

17

40

75

59

76

44

100

18

46

73

58

78

46

100

19

45

79

5Z

79

36

100

20

46

84

59

80

36

100

21

53

87

61

82

28

100

22

56

88

66

80

44

100

23

59

74

63

69

100

100

.19

24

51

74

62

74

100

100

2.05

25

39

76

55

75

100

100

26

40

68

53

73

100

100

27

47

77

53

75

100

100

28

57

79

56

74

100

100

29

55

84

59

81

100

100

30

55

85

64

80

100

100

31

55

87

64

79

28

100

51

ORR AGRICULTURAL RESEARCH AND DEMONSTRATION CENTER - PERRY

JUNE 1988

Soil Temp °F

Precipitation

Date

Air Temp '

4" bare soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

55

89

66

81

42

100

2

64

92

67

85

36

100

3

56

84

68

83

60

100

4

43

75

64

83

42

100

5

45

78

64

83

34

100

6

49

83

63

84

34

100

7

54

88

65

86

32

100

8

62

91

67

87

40

100

9

51

70

60

71

100

100

1.38

10

57

71

57

74

48

100

11

46

75

57

76

42

100

12

46

80

58

81

42

100

13

56

85

62

82

42

100

14

62

89

66

85

42

100

15

70

89

68

85

48

100

16

84

65

70

78

72

100

T

17

53

83

68

85

42

100

18

61

86

67

85

40

100

19

64

89

61

87

42

100

20

72

92

71

87

52

96

21

75

96

75

91

52

100

T

22

75

97

76

93

52

100

23

68

95

77

88

60

100

24

64

91

76

89

52

100

25

74

98

75

91

56

100

26

69

100

79

92

64

74

27

49

85

73

90

64

68

28

52

84

72

89

34

98

29

61

92

72

89

30

100

30

59

69

67

76

100

100

1.23

52

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

APRIL 1988

Soil Tei

np °F

Precipitation

Date

Air Temp °F

4" bare

soil

Humidity (

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

36

54

37

48

49

97

2

38

53

41

46

65

97

0.14

3

45

71

47

57

54

98

0.24

1

43

57

45

53

52

92

0.06

5

47

76

45

60

40

97

6

42

80

48

63

52

100

0.49

7

38

59

43

56

32

86

8

42

68

43

62

30

92

9

44

71

47

64

31

91

10

40

74

50

68

33

92

11

38

44

43

50

68

99

12

36

62

43

57

53

85

13

37

65

44

63

25

86

14

36

73

47

65

23

91

T

15

29

54

43

61

25

81

16

31

55

43

60

28

81

17

38

63

43

64

25

62

18

33

77

46

64

35

90

.01

19

27

53

43

60

22

70

20

35

55

43

61

22

52

21

31

67

45

60

37

79

22

41

54

44

54

39

98

.08

23

28

59

45

53

66

100

24

26

46

39

47

59

100

25

40

62

39

63

24

59

26

43

70

48

64

30

95

.08

27

38

65

39

57

35

91

.09

28

36

55

43

52

30

75

29

33

65

43

63

20

75

30

41

71

46

68

19

48

53

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

MAY 1988

Soil Temp °F

Precipitation

Date

Air Tei

np °F

4" bare

soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

42

75

50

71

16

53

2

49

79

53

73

19

59

3

50

79

54

73

21

46

4

41

71

54

69

27

83

5

39

71

53

68

29

71

6

40

77

53

74

26

65

7

52

81

55

75

22

46

8

61

85

59

73

22

70

9

52

79

55

70

54

96

.57

10

47

67

51

59

46

91

T

11

49

74

51

69

29

89

12

53

81

55

76

28

91

13

61

83

62

79

27

67

14

46

71

60

7&

27

59

15

64

89

59

79

29

62

16

52

82

^ 63

77

26

79

T

17

45

69

60

77

50

98

18

46

72

60

79

35

87

19

52

78

61

80

30

86

20

51

81

64

80

30

75

21

54

S5

66

84

27

86

22

58

&5

66

82

40

95

23

58

82

65

76

37

94

.54

24

56

63

60

65

60

88

.53

25

37

71

53

72

32

82

26

43

69

52

77

29

91

27

50

77

58

75

25

75

28

54

80

61

74

32

89

29

59

86

63

82

25

80

30

58

86

67

83

34

90

31

59

88

67

85

29

85

54

NORTHWESTERN ILLINOIS AGRONOMY RESEARCH CENTER - MONMOUTH

JUNE 1988

Soil Temp °F

Precipitation

Date

Air Tei

np°F

4" bare soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

60

90

70

76

28

85

2

61

92

71

S2,

26

94

3

54

87

70

90

45

95

.02

4

45

75

65

83

27

80

5

52

78

65

85

29

68

6

52

85

67

87

25

86

7

55

87

70

88

25

90

8

61

90

71

90

34

99

.06

9

46

73

57

74

46

99

.76

10

42

71

57

73

25

94

11

49

75

57

81

22

87

12

55

80

63

83

29

90

13

59

84

66

85

30

88

14

63

89

70

87

32

86

15

68

89

78

92

5Z

86

16

60

88

73

90

21

90

17

56

85

73

90

28

91

18

65

87

73

87

30

84

19

66

90

74

ZS,

35

68

20

72

91

74

87

41

70

21

69

97

77

92

38

87

22

73

97

79

92

38

74

23

65

95

77

89

41

84

24

73

90

77

92

48

65

25

73

95

78

89

48

91

26

62

101

78

93

36

89

27

49

83

72

88

46

100

28

54

83

72

89

32

90

29

64

91

73

90

30

90

T

30

54

72

43

100

69

77

55

URBANA AGRONOMY RESEARCH CENTER

APRIL 1988

Soil Temp °F

Precipitation

Date

Air Terr

4" bare soil

Humidity %

inches

Min.

Max.

Ave.

Min.

Max.

1

42

53

44

64

100

.08

2

47

60

48

66

100

.03

3

50

69

48

62

100

.04

4

38

60

49

56

100

.20

5

47

72

52

40

100

6

43

83

57

34

100

.43

7

40

56

49

34

100

.19

8

39

67

47

26

62

9

42

68

52

26

100

10

47

68

57

26

100

11

39

63

54

36

100

12

37

66

52

34

62

13

37

66

54

34

62

14

43

70

56

24

80

15

30

57

55

48

62

16

48

58

53

32

96

17

18

38

72

56

52

100

.40

19

32

52

48

20

84

20

38

54

47

14

84

21

37

70

49

52

90

22

35

59

52

24

100

.17

23

46

66

51

46

96

24

44

60

56

38

82

25

37

58

56

28

80

26

41

66

57

24

84

27

40

72

58

28

100

.07

28

36

50

47

74

100

29

40

64

52

28

84

30

39

68

56

16

74

56

URBANA AGRONOMY RESEARCH CENTER

MAY 1988

Soil Temp °F

Precipitation

Date

Air Temp °F

4" bare soil

Humidity %

inches

Min.

Max.

Ave.

Min.

Max.

1

43

73

60

18

74

2

48

75

60

16

70

3

50

77

63

18

60

4

46

76

64

26

5Z

5

47

68

63

28

60

6

53

74

63

26

46

7

50

81

66

20

58

8

63

84

67

24

96

9

54

81

61

36

100

.48

10

49

67

58

50

100

-\

11

49

72

62

36

100

12

53

79

66

26

88

.03

13

64

85

18

26

88

.01

14

47

77

69

28

68

15

65

87

71

26

96

16

55

87

70

36

100

17

45

87

69

30

100

.05

18

47

74

67

32

88

19

53

80

66

24

96

20

56

82

72

20

66

21

60

85

74

34

96

22

5S>

90

76

24

84

23

60

84

70

36

100

1.04

24

59

74

60

30

100

.03

25

41

71

60

26

78

26

42

68

62

22

100

27

50

78

67

18

86

28

57

2>5

69

16

86

.01

29

60

86

75

26

96

30

59

88

76

28

100

31

63

91

79

28

80

57

URBANA AGRONOMY RESEARCH CENTER

JUNE 1988

Soil Temp °F

Precipitation

Date

Air Terr

4" bare soil

Humic

lity %

inches

Min.

Max.

Ave.

Min.

Max.

1

63

92

80

24

70

2

69

93

81

24

64

3

53

92

79

28

100

4

50

75

75

32

76

5

52

80

75

26

76

6

60

86

78

28

56

7

58

90

79

77

79

8

60

92

81

26

94

9

51

88

74

40

100

.30

10

47

72

70

18

62

11

50

75

71

24

76

12

54

87

75

24

92

13

56

88

76

26

96

14

64

92

78

26

94

15

66

93

79

26

86

16

69

94

79

40

92

17

58

83

76

36

96

18

67

88

77

26

80

19

60

90

80

26

86

20

63

93

84

26

100

.01

21

72

97

84

32

80

22

73

99

84

34

70

23

72

98

84

38

96

24

65

90

83

36

90

25

76

95

83

36

90

26

79

102

86

32

76

27

54

78

80

46

92

28

55

83

80

26

80

29

67

90

81

26

84

30

54

73

75

78

96

58

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

APRIL, 1988

Soil Temp °F

Precipitation

Date

Air Tei

np °F

4" bare

soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

39

51

40

46

54

100

_

2

42

53

44

45

72

100

.01

3

44

67

46

51

86

100

.22

4

43

58

47

50

32

100

.06

5

49

72

47

56

44

96

-

6

44

83

52

61

34

98

.97

7

34

55

44

59

32

98

.13

8

34

64

43

55

26

98

-

9

40

67

45

5&

30

98

-

10

44

67

48

56

32

100

-

11

40

52

47

52

68

90

-

12

39

59

46

54

28

92

-

13

32

62

47

59

22

96

-

14

39

72

46

60

24

98

-

15

29

55

47

59

34

98

-

16

30

53

47

58

30

98

-

17

40

62

46

60

26

76

-

18

34

74

48

59

30

88

-

19

23

54

46

60

28

98

-

20

33

53

46

58.

24

64

-

21

29

56

44

49

34

98

.02

22

38

46

45

47

44

98

-

23

36

54

45

48

40

98

.14

24

35

50

44

46

60

98

-

25

35

57

44

56

34

98

-

26

43

67

45

56

28

98

-

27

38

60

47

55

40

98

.20

28

32

42

43

V7

84

98

.08

29

29

61

42

56

26

98

-

30

35

68

43

63

16

98

—

59

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

MAY, 1988

Soil Temp °F

Precipitation

Date

Air Temp °F

4" bare

soil

Humic

[ity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

39

76

44

65

18

96

_

2

45

74

45

67

22

74

-

3

44

76

52

65

20

76

-

4

41

73

53

66

26

98

-

5

37

65

52

65

36

98

-

6

41

73

54

68

18

98

-

7

42

80

55

70

18

98

-

8

62

87

56

68

14

76

-

9

55

85

57

68

34

100

.52

10

52

61

54

52,

64

98

.01

11

46

67

53

60

40

98

-

12

54

77

54

69

22

98

.06

13

56

82

58

71

26

78

-

14

38

64

56

72

36

98

-

15

58

85

55

71

14

92

-

16

52

85

61

69

50

100

.04

17

39

72

56

66

48

98

18

40

69

55

70

46

98

-

19

45

75

57

71

34

98

-

20

46

78

58

74

26

98

-

21

52

83

61

76

32

98

-

22

57

85

63

77

26

94

-

23

51

88

65

72

36

100

-

24

52

62

60

66

84

98

1.34

25

35

67

53

68

54

98

-

26

38

66

53

68

26

98

-

27

51

78

55

69

18

74

-

28

60

84

58

73

22

78

-

29

58

89

60

75

24

96

-

30

62

90

62

78

28

98

-

31

62

92

64

80

24

96

-

60

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

JUNE, 1988

Soil Temp °F

Precipitation

Date

Air Temp °F

4" bare soil

Humic

lity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

60

92

68

83

28

98

_

2

59

94

70

82

22

98

-

3

48

80

66

78

52

98

-

4

44

71

65

77

32

98

-

5

54

82

65

80

24

76

-

6

55

90

65

81

26

98

-

7

57

93

69

82

24

98

-

8

60

90

69

83

26

98

-

9

47

90

65

77

38

98

-

10

38

69

63

76

22

98

-

11

43

74

63

76

28

98

-

12

51

85

61

77

22

98

-

13

59

90

66

88

28

94

-

14

64

95

62

79

24

94

-

15

68

95

70

80

28

84

-

16

59

93

71

80

34

98

-

17

54

87

71

82

30

98

-

18

54

90

69

81

20

76

-

19

67

93

69

82

20

76

-

20

73

92

69

82

28

80

-

21

74

101

73

89

32

98

-

22

77

102

76

85

27

63

-

23

64

98

74

83

36

98

-

24

62

84

73

81

22

96

-

25

76

88

74

83

35

82

-

26

76

104

76

85

28

94

-

27

51

76

70

76

36

98

-

28

52

81

69

82

24

98

-

29

61

90

70

88

22

98

.38

30

47

69

63

72

40

98

-

61

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

JULY, 1988

Soil Temp

op

Precipitation

Date

Air Tei

np °F

4" bare soil

Humidity %

inches

Min.

Max.

Min. Max.

Min.

Max.

1

50

75

62

72

26

98

_

2

52

80

63

75

22

98

-

3

50

84

64

77

16

98

-

4

55

91

65

81

18

98

-

5

63

96

65

84

18

98

-

6

68

98

72

85

26

78

-

7

68

99

74

85

30

98

-

8

65

97

77

87

26

98

-

9

66

99

77

85

26

98

-

10

72

98

76

86

24

80

-

11

62

88

74

83

54

98

-

12

52

94

72

86

18

98

-

13

64

92

74

85

26

98

-

14

71

95

74

84

36

98

-

15

68

103

78

88

26

98

-

16

80

103

78

88

45

100

-

17

66

98

76

87

46

98

-

18

74

96

75

86

30

98

.15

19

62

77

72

81

98

98

.35

20

67

89

71

83

29

98

-

21

60

81

71

79

56

98

-

22

51

85

71

82

32

98

-

23

58

86

71

83

30

98

-

24

59

92

71

84

24

98

-

25

66

96

71

85

22

98

.28

26

61

90

73

83

36

98

-

27

55

87

71

83

32

98

-

28

52

95

71

86

21

98

-

29

51

97

75

87

28

98

-

30

52

98

75

88

29

94

-

31

52

99

76

88

51

98

.44

62

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

AUGUST, 1988

Soil Ter

Tip °F

Precipitation

Date

Air Te

np °F

4" bare

soil

Humidity %

inches

Min.

Max.

Min.

Max.

Min.

Max.

1

63

97

73

101

32

100

.44

2

62

105

78

90

30

98

-

3

64

98

79

100

32

98

-

4

60

96

77

97

33

99

.30

5

74

98

77

100

32

98

-

6

73

98

70

90

36

100

-

7

72

100

73

89

40

98

-

8

42

98

72

101

32

99

-

9

65

99

70

100

34

99

.20

10

58

86

75

100

70

99

-

11

57

82

75

82

80

99

.55

12

60

99

75

92

46

98

-

13

62

100

75

96

48

98

-

14

74

96

74

95

52

98

-

15

60

96

77

87

52

97

-

16

59

99

78

98

46

99

-

17

64

102

79

90

30

99

-

18

62

103

82

103

32

98

-

19

58

103

ZO

92

38

99

.17

20

57

78

79

80

36

99

.02

21

56

85

78

81

37

99

-

22

49

85

72

85

32

98

-

23

52

78

71

74

60

100

.36

24

57

88

72

82

30

100

-

25

50

86

82

82

28

90

-

26

52

85

70

83

24

98

-

27

51

82

69

81

22

98

-

28

50

7%

62

83

32

100

.97

29

45

&0

62

84

24

98

-

30

47

76

67

74

31

99

-

31

52

78

63

75

31

98

—

63

NORTHEASTERN ILLINOIS AGRONOMY RESEARCH CENTER - ELWOOD

SEPTEMBER, 1988

Soil Temp °F

Precipitation

Date

Air Temp °F
Min. Max.

4" bare
Min.

soil
Max.

Humic
Min.

lity %
Max.

inches

1

53

84

63

77

26

98

_

2

58

84

66

80

28

99

-

3

55

85

70

75

30

99

-

4

55

86

69

78

34

98

.20

5

41

76

65

76

38

99

.10

6

37

72

62

74

28

96

-

7

52

76

61

75

18

97

-

8

54

82

62

76

22

82

-

9

46

83

63

75

08

97

-

10

54

84

62

77

14

96

-

11

68

86

63

7Z

43

96

-

12

60

85

64

77

52

96

-

13

51

88

62

78

51

95

-

14

45

78

67

78

34

99

-

15

49

83

66

79

20

98

-

16

44

78

66

75

29

98

-

17

47

74

64

68

36

99

.35

18

55

89

61

72

36

99

-

19

58

91

65

77

54

99

.29

20

43

76

62

71

60

98

.55

21

46

70

60

65

59

100

-

22

52

72

60

70

76

98

.06

23

47

89

61

70

48

98

.61

24

41

72

60

70

50

99

-

25

41

76

59

69

58

99

-

26

40

79

56

73

26

99

-

27

51

82

61

71

24

82

-

28

54

84

62

72

48

100

-

29

54

78

68

71

52

100

-

30

57

81

65

72

40

100

-

64

TERMINOLOGY FOR HERBICIDES IN THIS REPORT

Common Name or
Code Name

Trade Names

Company

Acifluorfen

Alachlor

Alachlor & atrazine

Atrazine

Bentazon <5c acifluorfen

Bentazon 6c atrazine

Bromoxynil

Butylate <5c dichlormid

CGA-136872

Chloramben

Chlorimuron

Cinmethylin

Clethodim

Clomazone

Clomazone & trifluralin

Clopyralid

Cyanazine

Cyanazine & atrazine 2:1

Cyanazine & atrazine 3:1

Dalapon

2,4-D 2-ethylhexyl LVester

2,4-DB

Dicamba

Dicamba <5c atrazine

DPX-M6316

DPX-M6316 & chlorimuron

DPX-V9360

EL-177(EL 181977)

EPTC

EPTC <5c dichlormid

EPTC & dichlormid <5c dietholate

Ethalfluralin

Fenoxaprop

Fluazifop-P

Fluazifop-P <5c fomesafen

Fluroxypyr

Fomesafen

Glyphosate

Glyphosate <5c alachlor (1.4:2.6)

Haloxyfop

HOE360EW

HOE-39866

Imazaquin

Imazethapyr

Lactofen

Linuron

Mefluidide

Metolachlor & CGA 154281

Blazer, Tackle

Lasso

Lariat, Bullet MT

AAtrex

Galaxy 4.5:1, Storm 2:1

Laddok

Buctril

Sutan+

Beacon

Amiben

Classic

Cinch

Select

Command

Commence

Lontrel

Bladex

Extrazine

Conquest

Dowpon

Butyrac 200

Banvel

Marksman

Harmony

Pinacle

Accent

Eptam

Eradicane

Eradicane Extra

Sonalan

Whip, Option

Fusilade 2000

Tornado

Starane

Reflex

Roundup

Bronco

Verdict

Ignite
Scepter
Pursuit
Cobra

Lorox, Linex
Embark, Vistar
Dual & Safener

BASF, Rhone-Poulenc

Monsanto

Monsanto

CIBA-Geigy

BASF

BASF

Rhone-Poulenc

ICI

CIBA-Geigy

Rhone-Poulenc

DuPont

DuPont

Valent

FMC

Elanco, FMC

Dow

DuPont

DuPont

DuPont

Vertac

Growmark

Rhone-Poulenc

Sandoz

Sandoz

DuPont

DuPont

DuPont

Elanco

Stauffer-ICI

ICI

ICI

Elanco

Hoechst, FMC

ICI

ICI

Dow

ICI

Monsanto

Monsanto

Dow

Hoechst

Hoechst

Cyanamid

American Cyanamid

PPG - Valent

DuPont, Griffin

3M

CIBA-Geigy

65

Common Name or
Code Name

Trade Names

Company

Metribuzin

Metribuzin & chlorimuron

Metribuzin & metolachlor

Metribuzin & trifluralin

MON 14482 (glyphosate & atrazine)

Paraquat

Pendimethalin

Pendimethalin & atrazine

Pendimethalin & imazethapyr

Pyridate

Quizalofop

SB23031

SB23121

SB53482

SB63596

Sethoxydim

Simazine

Tridiphane

Trifluralin

Trifluralin <5c clomazone

UBI-A1237

Sencor, Lexone
Preview
Turbo
Salute

Gramoxone Super

Prowl

Prozine

Pursuit Plus

Tough

Assure

Poast

Princep, Caliber 90

Tandem

Treflan

Commence

Mobay, DuPont

DuPont

Mobay

Mobay

Monsanto

ICI

American Cyanamid

American Cyanamide

American Cyanamid

Terra, Gilmore

DuPont

Valent

Valent

Valent

Valent

BASF

CIBA-Geigy

Dow

Elanco

Elanco, FMC

Uniroyal

66

TRADE NAMES FOR HERBICIDES IN THIS REPORT

Trade Names

Common Names

Company

AAtrex

Accent

Amiben

Assure

Banvel

Beacon

Bladex

Blazer

Brominal

Bronco

Buctril

Bullet MT

Butyrac 200

Caliber 90

Cinch

Classic

Cobra

Command

Commence

Conquest

Dowpon

Dual

Embark

Eptam

Eradicane

Eradicane Extra

Extrazine

Fusilade 2000

Galaxy 4.5:1

Gramoxone Super

Harmony

Ignite

Laddok

Lariat

Lasso

Lexone

Linex

Lontrel

Lorox

Marksman

Option

Pinacle

Poast

Preview

Princep

Prowl

Prozine

Pursuit

Pursuit Plus

Reflex

Atrazine

DPX-V9360

Chloramben

Quizalofop

Dicamba

CGA-136872

Cyanazine

Acifluorfen

Bromoxynil

Glyphosate & alachlor (1.4:2.6)

Bromoxynil

Alachlor & atrazine

2,4-DB

Simazine

Cinmethylin

Chlorimuron

Lactofen

Clomazone

Clomazone <5c trifluralin

Cyanazine & atrazine 3:1

Dalapon

Metolachlor & GCA-154281

Mefluidide

EPTC

EPTC & dichlormid

EPTC & dichlormid <5c dietholate

Cyanazine & atrazine 2:1

Fluazifop-P

Bentazon & acifluorfen

Paraquat

DPX-M6316

HOE-39866

Bentazon & atrazine

Alachlor & atrazine

Alachlor

Metribuzin

Linuron

Clopyralid

Linuron

Dicamba & atrazine

Fenoxaprop

DPX-M6316 & chlorimuron

Sethoxydim

Metribuzin & chlorimuron

Simazine

Pendimethalin

Pendimethalin & atrazine

Imazethapyr

Pendimethalin & imazethapyr

Fomesafen

CIBA-Geigy

DuPont

Rhone-Poulenc

DuPont

Sandoz

CIBA-Geigy

DuPont

BASF

Rhone-Poulenc

Monsanto

Rhone-Poulenc

Monsanto

Rhone-Poulenc

CIBA-Geigy

DuPont

DuPont

PPG-Valent

FMC

Elanco, FMC

DuPont

Vertac

CIBA-Geigy

3M

ICI

ICI

ICI

DuPont

ICI

BASF

ICI

DuPont

Hoechst

BASF

Monsanto

Monsanto

DuPont

Griffin

Dow

DuPont

Sandoz

FMC

DuPont

BASF

DuPont

CIBA-Geigy

American Cyanamid

American Cyanamid

American Cyanamid

American Cyanamid

ICI

67

Trade Names

Common Names

Roundup
Salute

Glyphosate
Metribuzin & trifluralin

Scepter
Select

Imazaquin
Clethodim

Sencor

Metribuzin

Sonalan

Ethalfluralin

Starane
Storm 2:1

Fluroxypyr

Bentazon & acifluorfen

Sutan+
Tackle

Butylate & dichlormid
Acifluorfen

Tandem

Tridiphane

Tornado

Fluazifop-P & fomesafen

Tough
Treflan

Pyridate
Trifluralin

Turbo

Metribuzin & metolachlor

Verdict
Vistar

Haloxyfop
Mefluidide

Company

Monsanto

Mobay

Cyanamid

Valent

Mobay

Elanco

Dow

BASF

ICI

Rhone-Poulenc

DOW

ICI

Terra, Gilmore

Elanco

Mobay

Dow

3M

68

ABBREVIATIONS FOR HERBICIDE COMMON NAMES

The abbreviations listed below have been established by the NCWCC for common names of
herbicides, herbicide antidotes, and other herbicide-modifying chemicals for which common
names have been assigned.

Abbre-

Abbre-

Common Name

viation

Common Names

viation

Acetochlor

Acet

DSMA

DSMA

Acifluorfen

Acif

Endothall

Endo

Alachlor

A lac

EPTC

EPTC

Ametryn

Amet

Ethalfluralin

Etha

Amitrole

Amit

Fenoxaprop

Fenx

Atrazine

Atra

Flamprop

Flam

Barban

Barb

Fluazifop

Flfp

Benefin

Bnfn

Fluazifop-P

Flfp-P

Benazolin

Bena

Fluorochloridone

Fled

Bentazon

Bent

Flurazole

Flzl

Benzofluor

Befl

Fluroxypyr

Flox

Benzoylprop

Bepr

Fomesafen

Fome

Bifenox

Bife

Glyphosate

Glyt

Bromacil

Brcl

Haloxyfop

Halx

Bromoxynil

Brox

Hexazinone

Heaz

Butylate

Buty

Imazapyr

Impr

Cacodylic acid

Caco

Imazaquin

Imqn

Chloramben

Clam

Imazethapyr

Imep

Chlorimuron

Clim

Isouron

Isur

Chloroxuron

Clxu

Isoxaben

Isox

ChlorSulfuron

Clsu

Lactofen

Lact

Cinmethylin

Cinm

Linuron

Linu

Clethodim

Clet

MAA

MAA

Clomazone

Clom

MAMA

MAMA

Cloproxydim

Clpx

MCPA

MCPA

Clopyralid

Clpy

MCPB

MCPB

Cyanazine

Cyan

MCPP

MCPP

Cycloate

Cycl

Mefluidide

Mefl

Cyometrinil

Cyom

Methazole

Mezl

2,4-D

2,4-D

Metolachlor

Meto

Dalapon

Dala

Metribuzin

Metr

2,4-DB

2,4-DB

Metsulfuron

Mets

Desmedipham

Desm

Molinate

Moli

Diallate

Dial

MSMA

MSMA

Dicamba

Dica

Naphthalic anhydride

NA

Dichlobenil

Dcbl

Napropamide

Napr

Dichlormid

Ddmd

Naptalam

Napt

Diclofop

Dcfp

Nitrofen

Nifn

Diethatyle

Dtyl

Norflurazon

Norf

Dietholate

Dlat

Oryzalin

Oryz

Difenzoquat

Dife

Oxadiazon

Oxad

Dinoseb

Dino

Oxyfluorfen

Oxyf

Diphenamid

Diph

Paraquat

Para

Diquat

Diqu

Pendimethalin

Pend

Diuron

Diur

Perfluidone

Perf

69

Abbre-

Common Names

viation

Phenmedipham

Phen

Picloram

Picl

Prometryn

Prtr

Pronamid

Pron

Propachlor

Prcl

Propanil

Prnl

Propazine

Przn

Pyrazon

Pyzn

Pyridate

Pydt

Quizalofop

Qufp

Sethoxydim

Seth

Siduron

Sidu

Sulfometuron

Sume

Tebuthiuron

Tebu

Terbacil

Tecl

Terbutryn

Tert

Triallate

Tria

Triclopyr

Trcp

Tridiphane

Trid

Trifluralin

Trif

Vernolate

Vern

Note: Package mix products (consisting of 2 or more active ingredients blended by the
manufacturer into one product) are abbreviated by placing the "&" symbol between the
abbreviations of the active ingredients.

70

WEED NAMES AND CODES

Abbreviation

Common Name

Botanical Name

Bucu

Burcucumber

Sicyos angulatus

Bygr

Barnyardgrass

Echinochioa crus-galli

Cath

Canada thistle

Cirsium arvense

Cocb

Common cocklebur

Xanthium strumarium

Coch

Common chickweed

Stellaria media

Colq

Common lambsquarters

Chenopodium album

Corw

Common ragweed

Ambrosia artemisiifolia

Cosf

Common sunflower

Helianthus annuus

Dali

Dandelion

Taraxacum officinale

Ebns

Easter black nightshade

Solanum ptycanthum

Fapa

Fall panicum

Panicum dichotomiflorum

Gift

Giant foxtail

Setaria faberi

Girw

Giant ragweed

Ambrosia trif ida

Grft

Green foxtail

Setaria viridis

Howe

Horseweed

Conyza canadensis

Ilmg

Ivyleaf morningglory

Ipomoea hederacea

Jiwe

Jimsonweed

Datura stramonium

Lacg

Large crabgrass

Digitaria sanguinalis

Pesw

Pennsylvania smartweed

Polygonum pensylvanicum

Prsi

Prickly sida

Sida spinosa

Qugr

Quackgrass

Agropyron repens

Rrpw

Redroot pigweed

Amaranthus retroflexus

Shea

Shattercane

Sorghum bicolor

Shpu

Shepherdspurse

Capsella bursa-pastoris

Smgc

Smooth groundcherry

Physalis subglabrata

Smpw

Smooth pigweed

Amaranthus hybridus

Tamg

Tall morningglory

Ipomoea purpurea

Vele

Velvetleaf

Abutilon theophrasti

Vema

Venice mallow

Hibiscus trionum

Yeft

Yellow foxtail

Setaria glauca

71

LOCATIONS OF UNIVERSITY OF ILLINOIS
WEED SCIENCE RESEARCH STUDIES IN ILLINOIS

72

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