Glyphosate resistance in giant ragweed University of Maryland

Mechanism of glyphosate resistance in crop weeds targeted

Researcher developing tactics to disarm plant defense system that enables giant ragweed to survive after toxic doses of glyphosate.

Glyphosate -- commercially labeled as “Roundup” -- is used extensively to combat weeds in corn, soybean and cotton cropping systems. Widespread use has led to a growing number of glyphosate-resistant weeds, which has a major effect on food and feed production, with estimated yield losses of $13 billion per year in the U.S.

Burkhard Schulz, assistant professor in the University of Maryland's plant science and landscape architecture department, and his group have uncovered t

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