Dissipation and Residue of Bifenthrin in Wheat under Field Conditions

被引：16
|
作者：
You, Xiangwei [1 ]
Jiang, Naiwen [1 ]
Liu, Fengmao [1 ]
Liu, Congyun [2 ]
Wang, Suli [3 ]
机构：
[1] China Agr Univ, Coll Sci, Beijing 100193, Peoples R China
[2] Guangdong Acad Agr Sci, Res Ctr Qual Safety & Stand Agr Prod, Guangzhou 510640, Guangdong, Peoples R China
[3] Hebei North Univ, Zhangjiakou 075000, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2013年 / 90卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Bifenthrin; Dissipation; Residue; Wheat; EFFICACY;
D O I：
10.1007/s00128-012-0903-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Field trials were carried out to investigate the dissipation and residue levels of bifenthrin in wheat. After extraction with acetonitrile, the samples were cleaned up by dispersive solid-phase extraction and detected by gas chromatography-mass spectrometry. The half-lives of bifenthrin in wheat seedlings ranged from 2.4 to 10.5 days. At harvest time, the terminal residues of bifenthrin were below the maximum residue limit (0.5 mg/kg) set by Codex Alimentarius Committee or European Union in wheat grain, which suggested that the use of this pesticide was safe for humans. However, the relatively high residue levels of bifenthrin in wheat straw should be paid attention to.
引用
收藏
页码：238 / 241
页数：4
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