Dissipation and Residues of the Herbicide Mesotrione in Maize and Soil in Open Field

被引：13
|
作者：
Chen, Xiaoxu [1 ,2 ]
Li, Wenming [2 ]
Wu, Qiong [1 ]
Chen, Weitao [1 ]
Han, Lijun [1 ]
机构：
[1] China Agr Univ, Coll Sci, Beijing 100193, Peoples R China
[2] Henan Agr Univ, Coll Plant Protect, Zhengzhou 450002, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2012年 / 88卷 / 05期
关键词：
Mesotrione; Dissipation; Residue; Maize; Soil; HPLC-MS/MS;
D O I：
10.1007/s00128-012-0573-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The purpose of this article was to establish a simple residue analysis method for mesotrione in maize using high performance liquid chromatography tandem mass spectrometry. The method was then used to study the dissipation and residues in maize seedling and soil. The half-lives of mesotrione in maize plants and soil were 1.37, 4.31 days in Beijing, and 0.97, 1.80 days in Shandong, respectively. The ultimate residues of mesotrione were undetected in soil, maize grain and stem at the harvest time, suggesting that mesotrione could be safely used in maize crops with an appropriate dosage and application.
引用
收藏
页码：772 / 775
页数：4
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