Degradation of the herbicide diclofopmethyl in soil and influence of pesticide mixtures on its persistence.
IR@CFTRI: CSIR-Central Food Technological Research Institute, Mysore
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http://ir.cftri.com/3682/
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| Title |
Degradation of the herbicide diclofopmethyl in soil and influence of pesticide mixtures on its persistence.
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| Creator |
Karanth, N. G. K.
Anderson, J. P. E. Domsch, K. H. |
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| Subject |
26 Pesticide Chemistry
02 Soil Sciences |
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| Description |
The degradation of the herbicide [14C]-diclofopmethyl was investigated in moist
parabrown podzol soil at 22°C. Radiochemical procedures were used to monitor the herbicide
breakdown. The mineralization of the uniformly labelled aromatic ring was pursued by
trapping the 14CO2 generated for 96 days. Diclofop-methyl was rapidly degraded in the soil
with a half-life of about 8 days. The major breakdown product was the corresponding aciddiclofop,
formed by a very rapid hydrolysis of the esterbond. With time the acid appeared to
undergo strong binding or complexing to the soil. An intermediate 4-(2,4-dichlorophenoxy)
phenol was recovered from the treated soil. Concentration of the phenoxyphenol increased
upto 6 days followed by quick decline. Insecticide combination of parathion + Demeton-Smethylsulphoxide
partially inhibited diclofop degradation in the soil.
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| Date |
1984
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Article
PeerReviewed |
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| Format |
pdf
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| Language |
en
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| Identifier |
http://ir.cftri.com/3682/1/J.%20Biosci.%2C%20Vol.%206%2C%20Number%206%2C%20December%201984%2C%20pp.%20829%E2%80%93837.pdf
Karanth, N. G. K. and Anderson, J. P. E. and Domsch, K. H. (1984) Degradation of the herbicide diclofopmethyl in soil and influence of pesticide mixtures on its persistence. Journal of Biosciences, 6 (6). pp. 829-837. |
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