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Fall & Winter Vegetable Weed Control

With Prefar 4-E Selective Herbicide 

Prefar Herbicide

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