• Herbicide


  • 4
  • 15
  • 27

Power over weeds

Resicore® corn herbicide gives farmers power over weeds deep into the growing season. With strong residual control and versatile application timing, Resicore controls more than 75 high-anxiety broadleaf weeds and grasses, including waterhemp, marestail and Palmer amaranth. As farmers continue to fight herbicide-resistant weeds, Resicore brings together three modes of action and a wide rate range to fit a variety of agronomic programs, including preemergence, postemergence or split application.

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Powerful weed control

Resicore® herbicide controls more than 75 of the toughest grasses and broadleaf weeds found in cornfields.


The wide rate range of Resicore allows farmers to apply from preplant to postemergence to meet the needs of their farm.

Extended residual control

Resicore delivers strong, extended residual control deep into the growing season.

Controlled weeds

This product delivers effective weed control against the following:

  • *Acacia
  • Amaranth
  • Barnyard Grass
  • Chickweed
  • Cocklebur
  • Crabgrass
  • Deadnettle
  • Foxtail
  • Henbit
  • Horseweed
  • Kochia
  • Lamb's-quarters
  • Morningglory
  • Ragweed
  • Shepherd's-purse
  • Sicklepod
  • Smartweed
  • Velvetleaf
  • Waterhemp
  • Witchgrass

Refer to the Product Label for complete product efficacy information.

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State Registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient
    Acetochlor; mesotrione; clopyralid MEA salt
  • Herbicide Group
    Acetochlor, mesotrione, and clopyralid, the active ingredients in Resicore, are Group 15, Group 27 and Group 4 herbicides, respectively, based on the mode of action classification system of the Weed Science Society of America. Resicore Herbicide tote
  • Approved Use
    For use on field corn, field seed corn, field silage corn and yellow popcorn.

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Tell me more

Instinct, Resicore and SureStart II are not registered for sale or use in all states. Resicore and SureStart II is not available for sale, distribution or use in Nassau and Suffolk counties in the state of New York. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions.