Do You Know How Far Herbicide Resistance Has Spread?

This Resistance Fighter^® program interactive map shows you when and where resistant weed species have been reported in the U.S., from 1970 through 2019. See for yourself by moving the slider below.

Fill out the form to see a list of every herbicide-resistant weed species in your state. You’ll also get our free, monthly agronomic series directly to your inbox, with the information you need to fight #toughweeds.

The range and number of resistant weed species in a given location is indicated by the shaded area.

Win the Fight Against Resistant Weeds

With Syngenta, you gain access to the most diverse herbicide portfolio available to successfully manage weeds in your area. A strong program combines effective chemistries with cultural practices, such as cover crops, narrow rows and tillage.

Fight resistance in your fields with the corn and soybean herbicide programs our agronomy experts recommend. To get started, just fill out the form.

Sign up to receive a comprehensive list of herbicide-resistant weed species in your state and a free monthly agronomic email series.

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Which herbicide(s) did you use in 2019?

Soybean Herbicides

Corn Herbicides

Crop Interest:

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Check your inbox for the latest info on weed resistance management and more for #Plant2020.

Source: Heap, I. The International Survey of Herbicide Resistant Weeds. Online. Internet. Thursday, October 31, 2019. Available www.weedscience.org

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© Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your local extension service to ensure registration status. Acuron, Bicep II Magnum, Lexar EZ, Lumax EZ and Tavium Plus VaporGrip Technology are Restricted Use Pesticides. For use by certified applicators only. Acuron^®, Bicep II Magnum^®, Boundary^®, Flexstar^®, Lexar^®, Lumax^®, Prefix^®, Resistance Fighter^®, Tavium^® and the Syngenta logo are trademarks of a Syngenta Group Company. VaporGrip^® is a registered trademark of, and used under license from, Monsanto Technology, LLC. All other trademarks are the property of their respective owners.