US grower perceptions and experiences with glyphosate-resistant weeds

Authors: Foresman, Chuck; Glasgow, Les

Source: Pest Management Science, Volume 64, Number 4, April 2008 , pp. 388-391(4)

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Abstract:

BACKGROUND: A survey of 400 growers of maize, soybeans and cotton was made in the United States to determine perceptions, experiences and management practices with glyphosate-resistant weeds. The survey included growers in the north (corn belt) and south (cotton belt) of the USA in spring 2006.

RESULTS: Interestingly, 24 and 39% of northern and southern growers, respectively, assumed they had glyphosate weed resistance on their farm. Of the 200 southern growers interviewed, 67% had planted continuous glyphosate-resistant (GR) crops for a period of 3-5 years. According to the survey respondents, the key method for managing glyphosate-resistant weeds was to rotate to other herbicides.

Keywords: glyphosate; glyphosate-resistant crops; resistance management

Document Type: Miscellaneous

DOI: http://dx.doi.org/10.1002/ps.1535

Publication date: 2008-04-01

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