DETERMINATION OF DISULFOTON AND PERMETHRIN RESIDUES IN AN ORGANIC SOIL AND THEIR TRANSLOCATION INTO LETTUCE, ONION AND CARROT

被引:10
作者
BELANGER, A
HAMILTON, HA
机构
[1] St-Jean Quebec, J3B 6Z8
关键词
Permethrin disulfoton gas chromatography; residue analysis organic soil;
D O I
10.1080/03601237909372123
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The residues of disulfoton and permethrin in an organic soil and in vegetables grown in soil treated with a granular formulation of the pesticides were determined by gas chromatography. The residues were removed from soil or plant samples by successive extractions with acetone and hexane. Permethrin persisted in the soil for the initial 28 days and declined slowly during the rest of the season but disulfoton after persisting for one week at the applied concentration was degraded in the next two weeks. The insecticides did not translocate into the edible parts of the vegetables but were present in the root system of onion and lettuce. Carrot and lettuce yields were not significantly different from those of the controls but onion yields were substantially decreased by the use of permethrin. © 1979, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:213 / 226
页数:14
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