Residue Behavior and Risk Assessment of Rimsulfuron and Quizalofop-P-ethyl in Potato Under Field Conditions
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Residue Behavior and Risk Assessment of Rimsulfuron and QuizalofopP-ethyl in Potato Under Field Conditions Shuo Wang1 · Zhiguang Hou1 · Shuang Liang1 · Zhongbin Lu1 Received: 1 May 2020 / Accepted: 16 September 2020 / Published online: 25 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract A method for simultaneous quantitation of rimsulfuron, quizalofop-P-ethyl and quizalofop-P in potato plant, soil and potato tuber samples was established. The mean recoveries of rimsulfuron, quizalofop-P-ethyl and quizalofop-P in different matrices spiked with them were 81.4%–101.1%, 76.1%–99.0% and 77.4%–106.4% with relative standard deviations (RSDs) of 2.7%– 13.3%, 0.9%–5.5%, 1.7%–11.3%, respectively. The open-field trials in China were conducted in potato cultivation system of Changchun and Jinan. The results indicated that the half-lives of rimsulfuron and quizalofop-P-ethyl were 0.04–13.1 days. The residues of quizalofop-P during the harvest time in Jinan soil were
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