Resistance to cyhalofop-butyl and metamifop in Echinochloa crus-galli var. mitis conferred by the Cys-2088-Arg mutation in ACCase gene and GST-mediated enhanced metabolism.

Abstract excerpt

Echinochloa crus-galli var. mitis (ECM) is one of the major Echinochloa species in the rice field, with increasing reports of herbicide resistance. This study identified an ECM population (ECM_2312) exhibiting cross-resistance to four acetyl-CoA carboxylase (ACCase)-inhibiting herbicides, including cyhalofop-butyl (8.7-fold), metamifop (15.8-fold), clodinafop-propargyl (16.1-fold) and fenoxaprop-P-ethyl...

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