Vegetable Weed Control Bulletin

2009 Weed Control Guide for Vegetable Crops
MSU Extension Bulletin E-433


Weed Problem	Chemical	Pounds Active Ingredient (AI)/Acre	Amount of Commercial Product/Acre	Remarks and Limitations Items in bold have changed since the printed bulletin.

Preemergence	clomazone (COMMAND 3ME)	0.5-1.2	1.3-3.3 pt	Apply to soil surface before transplanting. May be applied after transplanting at 1.5 pt/acre. Use low rate on coarse soils. 95-day PHI.

	napropamide (DEVRINOL 50DF)	1-2	2-4 lb	Apply immediately after transplanting. If rain does not occur within 24 hours, incorporate it shallowly or irrigate with 0.5 inch of water.

Postemergence grasses	clethodim (SELECT MAX 0.97E)	0.068-0.12	9-16 fl oz	Apply to actively growing grasses. Do not exceed 64 fl oz/acre/year. Include 0.25% NIS/acre. 30-day PHI.

	fluazifop-P (FUSILADE DX 2E)	0.16-0.19	10-12 fl oz	Apply to actively growing grasses. Include 1 qt COC/acre or 1 pt NIS/acre. 55-day PHI.

	sethoxydim (POAST 1.5E)	0.19-0.28	1-1.5 pt	Apply to actively growing grasses. Include 1 qt COC/acre. Maximum total of 5 pt/acre/year. 30-day PHI.

Perennials	glyphosate (ROUNDUP 4L)	2-3	2-3 qt	Apply to emerged perennials before planting in the spring or after harvest in the fall.