- Quizalofop-p-ethyl is a selective systemic, grass-controlling herbicide registered for
postemergent control of annual and perennial grass weeds in a variety of crops. - Quizalofop-p-ethyl belongs to the class of aryloxyphenoxypropionic herbicides that inhibit the
enzyme acetyl-CoA carboxylase leading to inhibition of fatty acid - biosynthesis (Health Canada Pest Management Regulatory Agency, 2022). It also inhibits this enzyme in mammalian liver and has produced reversible hepatic toxicity in laboratory studies (Zawahir et al., 2009) - Quizalofop-p-ethyl is the purified R-isomer ((+)-enantiomer) of racemic quizalofop-ethyl (EFSA, 2008; Health Canada . . .
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