Wisconsin Herbicide Mode of Action Chart

Daniel H. Smith- Nutrient and Pest Management Program, University of Wisconsin-Madison

The Nutrient and Pest Management and the Wisconsin Cropping Weed Science programs have recently updated the Wisconsin herbicide mode of action chart. This publication provides herbicide mode of action, group number, site of action, chemical family, active ingredient, and example trade names for herbicides currently registered in Wisconsin. The second page of the chart details registered herbicide combination products in Wisconsin including the trade name, active ingredients, trade name examples included in the premix, and site of action group.

With the widespread occurrence of herbicide-resistant weeds, it’s important that farmers select effective herbicides from multiple sites of action. The intent of this publication is to help farmers understand the different sites of action and products registered in Wisconsin and assist with their herbicide selection.

More info on the Wisconsin Cropping Weed Science program can be found here: http://www.wiscweeds.info/

The Herbicide Mode of Action chart can be found here: http://ipcm.wisc.edu/download/pubsPM/Herbicide-Mode-of-Action.pdf

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