Data suggests glyphosate resistance of two Wisconsin common water hemp populations

Thomas R. Butts and Vince M. Davis, Department of Agronomy, University of Wisconsin-Madison

The two weed populations examined were collected from crop production fields in Eau Claire and Pierce counties. They were identified through the Late-Season Weed Escape Survey in Wisconsin Corn and Soybean Fields conducted in 2012 and 2013 by former graduate research assistant, Ross A. Recker. Plants that were collected in the field were likely to have survived a postemergence glyphosate application based on in-field observations of herbicide symptomology, plant locations, personal communication with growers, and other additional data documented during the survey.

Read the full article at the link below:

http://wcws.cals.wisc.edu/preliminary-data-suggests-glyphosate-resistance-of-two-wisconsin-common-waterhemp-amaranthus-rudis-populations/

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