• Global Classification Lookup App Available for Download

    The webite tool is now available as an app "Global HRAC" through GooglePlay and ITunes. Look up and compare group classifications of herbicide chemical families and active ingredients anywhere.

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  • Weed Resistance to Synthetic Auxin Herbicides

    The Synthetic Auxin Working Group published an article reporting on the outcomes of the synthetic auxin resistance symposium convened at the 2nd Global Herbicide Resistance Challenge​ meeting in Denver, CO in May 2017 that was sponsored by Global HRAC.

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  • Request for New Herbicide Classification

    Global HRAC has coordinated with the Weed Science Society of America a process to request New Herbicide Classifications and or update chemicals listed on the Global Classification Lookup tool.

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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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  • Global Classification Lookup

    This tool allows you to look up and compare group classifications of herbicide chemical families and active ingredients.

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