WESTMINSTER, Colorado – April 28, 2021 – The Herbicide Resistance Action Committee (HRAC) has updated its Herbicide Mode of Action Classification System,

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WESTMINSTER, Colorado – April 20, 2021 – The Weed Science Society of America (WSSA) today announced that five free educational webinars will be offered during National Invasive Species Awareness Week (NISAW) – a May 15-22 initiative to raise awareness about invasive species. WSSA is among the sponsors of awareness week activities and has played an active role in its planning.

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