The dissipation of lambda-cyhalothrin from cotton production systems

被引:8
|
作者
Wang, S [1 ]
Kimber, SWL [1 ]
Kennedy, IR [1 ]
机构
[1] UNIV SYDNEY,DEPT AGR CHEM & SOIL SCI,COOPERAT RES CTR SUSTAINABLE COTTON PROD,SYDNEY,NSW 2006,AUSTRALIA
关键词
lambda-cyhalothrin; dissipation; soil; cotton-plant; foliage;
D O I
10.1080/03601239709373090
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The dissipation of the pyrethroid, lambda-cyhalothrin [alpha-cyano-3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethyl cyclopropanecarboxylate] was studied in sterile buffer solution at two different pH values. It was observed that during the four week period, lambda-cyhalothrin was degraded in buffer solution at pH 9, with a half-life of 53 days, but not at pH 7. Isomerization of this compound was also observed at both pH values, but the rate was much greater at pH 9.
引用
收藏
页码:335 / 352
页数:18
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