Degradation of Organophosphorus Insecticide Salithion in Soils
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- ITOH Kazuhito
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd.
Bibliographic Information
- Other Title
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- 有機リン殺虫剤サリチオンの畑地土壌中における分解
- 有機リン殺虫剤サリチオンの畑地土壌中における分解〔英文〕
- ユウキ リン サッチュウザイ サリチオン ノ ハタチ ドジョウチュウ ニ オケ
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Abstract
Degradation of salithion (2-methoxy-4H-1, 3, 2-benzodioxa-phosphorin-2-sulfide) in two types of Japanese soils was studied by using a 14C preparation labeled at the phenyl ring. Salithion disappeared rapidly with a half-life of less than 3 days under aerobic upland conditions, finally degrading to 14CO2 and unextractable bound residues. The degradation pathways included cleavages of P-O-aryl and P-O-aralkyl linkages, demethylation, and oxidative desulfuration of the thiophosphoryl moiety. The degradation rate retarded under sterilized conditions, suggesting microbial degradation in the soils. Non-biological formation of the bound residues also caused the disappearance of salithion in the Ushiku soil (Andosol).
Journal
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- Journal of Pesticide Science
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Journal of Pesticide Science 15 (4), 561-566, 1990
Pesticide Science Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205209725568
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- NII Article ID
- 110001712393
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- NII Book ID
- AN00196227
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- ISSN
- 03851559
- 13490923
- 1348589X
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- NDL BIB ID
- 3695575
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed