Investigating resistance and the rapid response to glyphosate in giant ragweed (Ambrosia trifida L.)
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The introduction of glyphosate-resistant crops along with widespread multiple in-season applications of glyphosate as part of weed management strategies that fail to address long-term weed control have provided the perfect scenario to foster the recent boom in glyphosate-resistant weeds. In order to implement best strategies to manage glyphosate-resistant weeds, it is important to understand the mechanism of resistance. Glyphosate targets and inhibits the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), which prevents the synthesis of aromatic amino acids. We have investigated the ...