Kansas State University

Evaluation of Plateau for weed control in native grasses.

Trial ID: 01-15 Investigator: Matt Fagerness

Location: Colbert Hills GC Study Dir.: Matt Fagerness

Reps: 4 Plots: 8 by 10 feet

Spray Vol: 20 gal/ac Mix Size: 3 liters (min .55617)

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	Plateau	70	DG	0.032	LB A/A		A	0.8217 g/mx	101	205		301		402
2	Plateau	70	DG	0.064	LB A/A		A	1.643 g/mx	102	203		304		401
3	Plateau	70	DG	0.095	LB A/A		A	2.439 g/mx	103	204		303		404
4	Plateau	70	DG	0.032	LB A/A		A	0.8217 g/mx	104	202		305		403
4	Plateau	70	DG	0.032	LB A/A	6WAIT	B	0.8217 g/mx
5	Nontreated								105	201		302		405

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

Amount*	Unit	Treatment Name	Lot Code
6.548	g	Plateau 70 DG

* 'Per area' calculations based on spray volume= 20 gal/ac, mix size= 3 liters (mix size basis).

APPLICATION DESCRIPTION

A B C D E F

Application Date: May-18-01 Jun-21-01 _________ _________ _________ _________

Time of Day: 9 AM 10 AM _________ _________ _________ _________

Application Method: Spray Spray _________ _________ _________ _________

Application Timing: Initial 5 WAT _________ _________ _________ _________

Applic. Placement: Surface Surface _________ _________ _________ _________

Air Temp., Unit: 67 F 73 F ____ _ ____ _ ____ _ ____ _

% Relative Humidity: 58 61 _________ _________ _________ _________

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

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

Water Hardness: n/a n/a _________ _________ _________ _________

Soil Temp., Unit: 70 F 70 F ____ _ ____ _ ____ _ ____ _

Soil Moisture: Good Good _________ _________ _________ _________

% Cloud Cover: 100 15 _________ _________ _________ _________

Weed Code				%phyto		%control		%phyto		%control		%phyto		%control
Crop Code				NATVGRS		NATVGRS		NATVGRS		NATVGRS		NATVGRS		NATVGRS
Rating Unit				1 WAT		1 WAT		3 WAT		3 WAT		8 WAT		8 WAT
Rating Date				May-28-01		May-28-01		Jun-13-01		Jun-13-01		Jul-24-01		Jul-24-01
Trt	Treatment		Rate
No.	Name	Rate	Unit
1	Plateau	0.032	LB A/A	7.5	a	7.5	b	8.8	a	70.0	a	1.3	a	85.0	a
2	Plateau	0.064	LB A/A	12.5	a	23.8	a	6.3	a	75.0	a	0.0	a	88.8	a
3	Plateau	0.095	LB A/A	8.8	a	22.5	ab	7.5	a	45.0	b	0.0	a	88.8	a
4	Plateau	0.032	LB A/A	6.3	a	18.8	ab	3.8	a	61.3	ab	2.5	a	92.5	a
	Plateau	0.032	LB A/A
5	Nontreated			5.0	a	12.5	ab	7.5	a	11.3	c	2.5	a	18.8	b
LSD (P=.05)				7.67		15.80		5.49		24.45		4.77		14.67
Standard Deviation				4.98		10.26		3.56		15.87		3.10		9.52
CV				62.24		60.34		52.81		30.23		247.66		12.74
Replicate F				0.538		1.743		1.410		0.086		0.130		1.264
Replicate Prob(F)				0.6653		0.2115		0.2880		0.9664		0.9401		0.3305
Treatment F				1.336		1.800		1.131		10.509		0.652		43.566
Treatment Prob(F)				0.3124		0.1937		0.3876		0.0007		0.6363		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