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Herbicide Resistance

UC ANR Publication 8012 titled: "Herbicide Resistance: Definition and Management Strategies" can be downloaded free at the following IPM website: http://anrcatalog.ucdavis.edu/IntegratedPestManagement/8012.aspx

You may also want to check out this website for the most recent herbicide resistance information

Funded and Supported by the
Herbicide Resistance Action Committee (HRAC), the
  North American Herbicide Resistance Action Committee (NAHRAC),
and the Weed Science Society of America (WSSA).

The purpose of this survey is to monitor the evolution of herbicide-resistant weeds and assess their impact throughout the world.   Global collaboration between  weed scientists make the survey and this web site possible.

http://www.weedscience.org/in.asp