Fall & Winter Vegetable Weed Control

An integrated weed control program with Prefar 4-E will provide broad spectrum weed control and can reduce the time and expense of unplanned cultivations or hand-weeding. Prefar 4-E Selective Herbicide is the herbicide of choice for building effective weed control programs in key vegetable crops! 

Prefar 4-e product Page

Prefar 4-e Label

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Benefits & Application Flexibility

• Labeled on a broad range of vegetable crops
• Controls many key grasses and weeds present in vegetable cropping systems 
• Excellent crop safety and crop rotation flexibility 
• Prefar may be applied:
  • Preplant incorporated (1-2 inches)
  • Preemerge with immediate irrigation by sprinkler or furrow 

Use Recommendations

• Apply a broadcast rate of 5 - 6 quarts/acre PPI or pre-emergence
• Use on mineral soils only
• 12-hour REI

Weeds Controlled

• Annual Grasses: Crabgrass, Fall Panicum, Foxtail, Goosegrass, Jungle Rice, Sprangletop, Barnyardgrass (Watergrass)
• Annual Broadleaf Weeds: Purslane, Redroot Pigweed, Lambsquarters

Labeled Vegetable Crops 

• Cucurbits
• Brassicas
• Fruiting Vegetables
• Leafy Vegetables
• Dry Bulb Vegetables