吡虫啉在花生田环境中的残留行为及安全评价  

Imidacloprid Residue and Behavior in the Environment of Peanut Field and Its Usage Safety Assessment

作　　者：刘同金[1] 李瑞娟[1] 宋国春[1] 付亚萍 赵亚[1] 于建垒[1] LIU Tong-jin;LI Rui-juan;SONG Guo-chun;FU Ya-ping;ZHAO Ya;YU Jian-lei(Institute of Plant Protection,Shandong Academy of Agricultural Sciences/Shandong Key Laboratory of Plant Virology,Jinan 250100,China)

机构地区：[1]山东省农业科学院植物保护研究所/山东省植物病毒学重点实验室,济南250100

出　　处：《湖北农业科学》2018年第16期57-61,65,共6页Hubei Agricultural Sciences

基　　金：山东省现代农业产业体系花生产业创新团队建设(SDAIT-04-07);化学农药在我国不同种植体系的归趋特征与限量标准(2016YFD0200200)

摘　　要：通过田间试验,使用Waters2695液相色谱仪进行定量分析,对吡虫啉在花生植株和土壤中的残留消解动态及最终残留量进行研究。结果表明,消解动态试验中吡虫啉在花生植株中的残留量均未检出,半衰期无法计算;在土壤中的半衰期为4.7~9.5 d,药后21 d消解74.7%以上。最终残留量试验结果表明,吡虫啉10%微囊悬浮剂可用于防治花生田蛴螬。于花生播种前拌种,最高用药量260 g a.i./100 kg种子(2 600 g制剂/100 kg种子)。A field experiment was conducted to reveal residual degradation dynamics and the final residues of imidacloprid in peanut and soil,the residues of imidacloprid in peanut and soil were determined by Waters2695 liquid chromatograph.The degradation dynamic test results showed that the residues in the peanut plant were undetected and the half-life was not calculated;The half-live of imidacloprid in soil was 4.7~9.5 d,and more than 74.7%degradation after application for 21 d.The final residue tests showed that 10%imidacloprid CS for control of peanut grub,the highest dosage of 260 g a.i./100 kg seed(preparation 2 600 g/100 kg seed)in peanut seed before sowing.

关 键 词：吡虫啉 花生 土壤 残留 安全评价 

分 类 号：TQ450.26[化学工程—农药化工]