Quizalofop-P-tefuryl and quizalofop-P-ethyl are ester variants of the active substance quizalofop-P (EFSA, 2008).
Based on the results of toxicokinetics studies in rats, oral absorption, distribution, residues, elimination, and metabolism of quizalofop-P-tefuryl show a relatively rapid partial absorption (57 –87% of the administered dose), distribution and elimination mainly in faeces (EFSA, 2008; ECHA, 2016).
Elimination of radioactivity was relatively rapid with total elimination half-lives less than 24 hours in females and slightly longer than 24 hours in males. Over 90% of the radioactivity was eliminated in females within 96 hours and in males . . .
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