Abstract
This potent selective herbicide is applied postemergent in several pulses, oilseed crops and vegetables (potato, onion etc.) to control grasses (Worthing, 1989; Wigfield and Lanouette, 1993). Fluazifop-p-butyl applied under field conditions degraded rapidly to fluazifop (Raut and Kulshrestha, 1992), which is bound in soil or conjugated in plants. The method used to determine the residues of fluazifopp and its butyl ester in soil and crop involved acid or base hydrolysis of the butyl ester to the acid, multiple extraction steps, methylation of the acid to the methyl ester and Florisil cleanup followed by gas chromatographic determination (Clegg, 1987).
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More From: Bulletin of environmental contamination and toxicology
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