Johnsongrass. Courtesy of ARS, USDA.

Johnsongrass. Courtesy of ARS, USDA.


The National Research Council (NRC) proposes to host a 1-day, open national summit to consider a coordinated strategy for managing herbicide-resistant (HR) weeds in the United States. The summit, which addresses a growing challenge to U.S. production agriculture systems and technology, will convene weed scientists, agronomists, and ecologists, along with representatives of federal and state research and regulatory agencies, the crop protection industry, and agricultural producers. ♣ 


Preserving the efficacy of herbicides, and of herbicide-resistance technology, particularly as it relates to the use of glyphosate, depends upon awareness of the problem and coordinated action to address the problem by individuals at the farm level and beyond. This summit will be a venue to bring awareness of the issue to important stakeholders and an opportunity for experts from diverse disciplines to strategize in a coordinated way to address HR weeds. In convening stakeholders for this event, participants will take a step towards addressing a recommendation from a 2010 NRC report that federal and state government agencies, private-sector technology developers, universities, farmer organizations, and other relevant stakeholders collaborate to document emerging weed-resistance problems and to develop cost-effective resistance-management programs and practices that preserve effective weed control. The summit will provide the opportunity for stakeholders to explore the scientific basis of the emergence of herbicide resistance and to consider different perspectives on both opportunities and barriers to overcoming the problem of herbicide-resistant weeds.

Anticipated Timeline

Fall 2011

Meeting planning activities (nomination and appointment of oversight committee,  identification of summit presenters, publicizing of summit)

Spring 2012

Summit takes place in Washington, DC
Recording of summit sessions posted on website

Summer 2012

Summit Proceedings released, posted on website and disseminated to press, meeting participants, and stakeholders

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