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2004•Acta Agriculturae ZhejiangensisRequires access

Study on residue of imidacloprid in rice and field environment

Shenggan Wu, Liqin Wu, Hao Xu, Xueping Zhao, WU Chang-xing, Liping Chen, Zhang Hu, Wang Qiang

Open publisher page 7 citations

Abstract

Residue dynamics and terminal residue of imidacloprid in rice and field environment were studied by HPLC. The results showed that the recoveries of imidacloprid in soil, straw, rice, bran and water samples ranged from 71.66% to (96.34)% with c.v. of 0.31%-6.55%. The half-life of degradation for imidacloprid was 0.8-2.2 d in straw,2.6-(2.7) d in water and 12.1-24.1 d in soil. The terminal residue in rice was less than 0.025 mg/kg.

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What this paper is about

Residue dynamics and terminal residue of imidacloprid in rice and field environment were studied by HPLC. The results showed that the recoveries of imidacloprid in soil, straw, rice, bran and water samples ranged from 71.66% to (96.34)% with c.v. of 0.31%-6.55%. The half-life of degradation for imidacloprid was 0.8-2.2 d in straw,2.6-(2.7) d in water and 12.1-24.1 d in soil. The terminal residue in rice was less than 0.025 mg/kg.

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Available abstract

Residue dynamics and terminal residue of imidacloprid in rice and field environment were studied by HPLC. The results showed that the recoveries of imidacloprid in soil, straw, rice, bran and water samples ranged from 71.66% to (96.34)% with c.v. of 0.31%-6.55%. The half-life of degradation for imidacloprid was 0.8-2.2 d in straw,2.6-(2.7) d in water and 12.1-24.1 d in soil. The terminal residue in rice was less than 0.025 mg/kg.

Key concepts: Imidacloprid, Residue (chemistry), Straw, Bran, Paddy field, Pesticide residue, Chemistry, Agronomy

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