期刊论文

Residue Degradation Dynamics of Dinotefuran in Paddy Field Ecosystem in China

中文

作物研究

1001-5280

2018

32

6

521-526

10.16848/j.cnki.issn.1001-5280.2018.06.16

本校为第一机构

为了解农药呋虫胺在稻田中施用以后其有效成分呋虫胺在稻田环境中的残留消解行为,借助HPLC检测技术,通过添加回收率实验建立了呋虫胺在稻田水、稻田土壤和水稻植株样品中的残留检测方法。结果表明:呋虫胺在稻田水、稻田土壤和水稻植株中的平均回收率为91. 3%～96. 5%,相对标准偏差为1. 28%～3. 60%,呋虫胺的最小检出量为1. 0×10-9g,在稻田水中的最低检出浓度为0. 05 mg/L,在稻田土壤和水稻植株中的最低检出浓度均为0. 05 mg/kg。在稻田水中的消解半衰期为1. 22～3. 58 d,平均2. 31 d,在稻田土壤中的消解半衰期为3. 77～14. 74 d,平均8. 18 d,在水稻植株中的消解半衰期为1. 81～3. 71 d,平均3. ...

In order to understand the residue digestion of dinotefuran in paddy field,a method for the determination of dinotefuran residue in paddy water, soil and paddy plant samples was established by fortified recovery experiments with HPLC. The results showed that the average recoveries of dinotejuran in paddy water, paddy soil and paddy plant ranged from 91.3% to 96. 5% ,and the relative standard deviations ranged from 1.28% and 3.60%. The mininmnl detectable concentration of dinotefuran was 1.0 × 10 ^-9 g The mininmnl detectable concentrations in ...