After Years of Herbicide Use, Roundup-Resistant Superweeds Are Evolving to Invade U.S. Fields - discu.eu

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After Years of Herbicide Use, Roundup-Resistant Superweeds Are Evolving to Invade U.S. Fields http://www.popsci.com/science/article/2010-05/roundup-resistant-superweeds-invade-us-fields 18 comments 6/5/2010 science