• Who We Are

    Welcome to the webpage of U.S.A. Herbicide Resistance Action Committee (USA HRAC). The group is a specialist technical committee consisting of industry representatives from the major crop protection and plant science companies of the Unites States. The committee works closely with Global HRAC and the other Regional HRAC groups as well as affiliated organizations including CropLife International and CropLife America.

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  • Monitoring and Mitigation

    See how weed scientists monitor herbicide resistance and develop systems to mitigate the development and spread of resistant weeds.

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  • Best Management Practices

    We have provided tools to assess the risk of developing herbicide-resistant weeds and managing fields with resistant weed populations.

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  • Publications

    Links to key publications are included providing information relevant to managing herbicide resistance in U.S.A. Please also refer to publication and links on the global HRAC pages as these are often relevant and can provide additional information on herbicide resistance in U.S.A.

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