Degradation of Heptachlor Epoxide and Heptachlor by a Mixed Culture of Soil Microorganisms1
- 1 August 1971
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 64 (4) , 839-841
- https://doi.org/10.1093/jee/64.4.839
Abstract
A mixed culture of soil microorganisms, obtained from a sandy loam soil, degraded heptachlor epoxide to the less toxic 1-exohydroxychlordene. Conversion was about 1% per week during the 12-week test periods. The same mixed culture reduced heptachlor to chlordene but was inactive when incubated with 1-exohydroxychlordene or 1-exohydroxy-2,3-epoxychlordene. This degradation of heptachlor epoxide may explain the occurrence of high levels of 1-exohydroxychlordene and low levels of heptachlor epoxide found in heptachlor-treated soils.Keywords
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