Kansas State University

             Lontrel T&O and Confront for dandelion control in tall fescue

 

Trial ID: 01-02             Investigator: Matt Fagerness

Location: Rocky Ford          Study Dir.: Matt Fagerness

Reps: 4                                Plots: 5 by 10 feet

Spray Vol: 87 gal/ac                   Mix Size: 2 liters (min 1.5121)

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

Lontrel T&O

3

SL

0.5

PT/A

 

A

1.437 ml/mx

  101

  204

  305

  401

2

Lontrel T&O

3

SL

1

PT/A

 

A

2.873 ml/mx

  102

  201

  302

  403

3

Confront

3

SL

2

PT/A

 

A

5.747 ml/mx

  103

  205

  303

  405

4

Confront

3

SL

1

PT/A

 

A

2.873 ml/mx

  104

  203

  301

  404

5

Nontreated

 

 

 

 

 

A

 

  105

  202

  304

  402

 

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

 

Amount*

Unit

Treatment Name

Lot Code

4.310

ml

Lontrel T&O 3 SL

 

8.620

ml

Confront 3 SL

 

 

* 'Per area' calculations based on spray volume= 87 gal/ac, mix size= 2 liters (mix size basis).

 

                           APPLICATION DESCRIPTION

                         A         B         C         D         E         F

Application Date:    Apr-09-01 _________ _________ _________ _________ _________

Time of Day:         5 PM      _________ _________ _________ _________ _________

Application Method:  Spray     _________ _________ _________ _________ _________

Application Timing:  Initial   _________ _________ _________ _________ _________

Applic. Placement:   Surface   _________ _________ _________ _________ _________

Air Temp., Unit:     72   F    ____ _    ____ _    ____ _    ____ _    ____ _

% Relative Humidity: 60        _________ _________ _________ _________ _________

Wind Velocity, Unit: 5    mph  ____ ____ ____ ____ ____ ____ ____ ____ ____ ____

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

Water Hardness:      N/A       _________ _________ _________ _________ _________

Soil Temp., Unit:    64   F    ____ _    ____ _    ____ _    ____ _    ____ _

Soil Moisture:       Good      _________ _________ _________ _________ _________

% Cloud Cover:       50        _________ _________ _________ _________ _________

Weed Code

pctarof

bdlf cov

tfphyto

quality

pctarof

bdlf cov

tfphyto

Rating Unit

2WAT

2WAT

2WAT

2WAT

4WAT

4WAT

4WAT

Rating Date

Apr-25-01

Apr-25-01

Apr-25-01

Apr-25-01

May-10-01

May-10-01

May-10-01

Trt

Treatment

 

Rate

 

 

 

 

 

 

 

No.

Name

Rate

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Lontrel T&O

0.5

PT/A

35.0

ab

45.0

a

3.8

a

6.313

a

76.3

a

27.5

a

0.0

a

2

Lontrel T&O

1

PT/A

52.5

a

35.0

a

5.0

a

6.250

a

81.3

a

27.5

a

0.0

a

3

Confront

2

PT/A

37.5

ab

30.0

a

1.3

a

6.438

a

67.5

a

22.5

a

0.0

a

4

Confront

1

PT/A

37.5

ab

35.0

a

5.0

a

6.375

a

72.5

a

23.8

a

0.0

a

5

Nontreated

 

 

15.0

b

36.3

a

3.8

a

6.250

a

10.0

b

41.3

a

0.0

a

LSD (P=.05)

31.98

16.01

7.99

0.4263

41.87

22.14

0.00

Standard Deviation

20.76

10.39

5.18

0.2767

27.18

14.37

0.00

CV

58.47

28.66

138.24

4.37

44.19

50.42

0.0

 

 

 

 

 

 

 

 

Replicate F

0.313

0.228

1.659

0.490

0.102

0.541

0.000

Replicate Prob(F)

0.8155

0.8753

0.2284

0.6959

0.9576

0.6634

1.0000

Treatment F

1.665

1.100

0.349

0.347

4.627

1.081

0.000

Treatment Prob(F)

0.2221

0.4004

0.8399

0.8412

0.0172

0.4087

1.0000

 

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


 

Weed Code

quality

pctarof

bdlf cov

tfphyto

quality