Kansas State University

Effects of glyphosate formulations on 'Meyer' zoysia greenup.

 

Trial ID: 01-09             Investigator: Matt Fagerness

Location: Rocky Ford          Study Dir.: Matt Fagerness

Reps: 4                                Plots: 5 by 10 feet

Spray Vol: 30 gal/ac                   Mix Size: 2 liters (min .5214)

Trt

Treatment

Form

Fm

 

Rate

Grow

Appl

Amt Product

Plot No. By Rep

 

No.

Name

Amt

Ds

Rate

Unit

Stg

Code

to Measure

 1

 2

 3

 4

 

1

Touchdown Pro

 

SL

16

FL OZ/A

egrnup

A

8.332 ml/mx

  101

  205

  307

  403

2

Touchdown Pro

 

SL

32

FL OZ/A

egrnup

A

16.66 ml/mx

  102

  207

  302

  404

3

Touchdown Pro

 

SL

64

FL OZ/A

egrnup

A

33.33 ml/mx

  103

  201

  306

  401

4

Roundup AE

 

SL

16

FL OZ/A

egrnup

A

8.332 ml/mx

  104

  206

  301

  405

5

Roundup AE

 

SL

32

FL OZ/A

egrnup

A

16.66 ml/mx

  105

  204

  305

  402

6

Roundup AE

 

SL

64

FL OZ/A

egrnup

A

33.33 ml/mx

  106

  202

  303

  407

7

Nontreated

 

 

 

 

 

 

 

  107

  203

  304

  406

 

Product quantities required for listed treatments and applications in one trial:

 

Amount*

Unit

Treatment Name

Lot Code

58.327

ml

Touchdown Pro  SL

 

58.327

ml

Roundup AE  SL

 

 

* 'Per area' calculations based on spray volume= 30 gal/ac, mix size= 2 liters (mix size basis).

 

                           APPLICATION DESCRIPTION

                         A         B         C         D         E         F

Application Date:    Apr-26-01 _________ _________ _________ _________ _________

Time of Day:         8 AM      _________ _________ _________ _________ _________

Application Method:  Spray     _________ _________ _________ _________ _________

Application Timing:  Initial   _________ _________ _________ _________ _________

Applic. Placement:   Surface   _________ _________ _________ _________ _________

Air Temp., Unit:     57   F    ____ _    ____ _    ____ _    ____ _    ____ _

% Relative Humidity: 75        _________ _________ _________ _________ _________

Wind Velocity, Unit: 1    mph  ____ ____ ____ ____ ____ ____ ____ ____ ____ ____

Dew Presence (Y/N):  N         _         _         _         _         _

Water Hardness:      n/a       _________ _________ _________ _________ _________

Soil Temp., Unit:    55   F    ____ _    ____ _    ____ _    ____ _    ____ _

Soil Moisture:       Good      _________ _________ _________ _________ _________

% Cloud Cover:       40        _________ _________ _________ _________ _________

 

Weed Code

grnup%

grnup%

grnup%

Crop Code

ZOYJA

ZOYJA

ZOYJA

Rating Unit

2 WAT

4 WAT

6 WAT

Rating Date

May-10-01

May-23-01

Jun-05-01

Trt

Treatment

 

Rate

 

 

 

No.

Name

Rate

Unit

 

 

 

 

 

 

1

Touchdown Pro

16

FL OZ/A

23.8

c

52.5

b

62.5

bc

2

Touchdown Pro

32

FL OZ/A

23.8

c

53.8

b

80.0

ab

3

Touchdown Pro

64

FL OZ/A

13.8

d

27.5

c

43.8

cd

4

Roundup AE

16

FL OZ/A

36.3

b

73.8

a

86.3

a

5

Roundup AE

32

FL OZ/A

22.5

cd

56.3

b

77.5

ab

6

Roundup AE

64

FL OZ/A

16.3

cd

15.0

c

28.8

d

7

Nontreated

 

 

62.5

a

86.3

a

95.0

a

LSD (P=.05)

9.35

14.15

19.10

Standard Deviation

6.29

9.52

12.86

CV

22.16

18.26

19.0

 

 

 

 

Replicate F

0.263

0.341

0.466

Replicate Prob(F)

0.8510

0.7957

0.7093

Treatment F

28.038

26.737

13.934

Treatment Prob(F)

0.0001

0.0001

0.0001

 

Means followed by same letter do not significantly differ (P=.05, LSD)

 

Trt

Treatment

Form

Fm

 

Rate

Grow

Plot No. By Rep

 

No.

Name

Amt

Ds

Rate

Unit

Stg

 1

 2

 3

 4

Notes

 

1

Touchdown Pro

 

SL

16

FL OZ/A

egrnup

101

205

307

403

 

2

Touchdown Pro

 

SL

32

FL OZ/A

egrnup

102

207

302

404

 

3

Touchdown Pro

 

SL

64

FL OZ/A

egrnup

103

201

306

401