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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Environmental Scienc...arrow_drop_down
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Environmental Science and Pollution Research
Article . 2018 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Chiral triazole fungicide tebuconazole: enantioselective bioaccumulation, bioactivity, acute toxicity, and dissipation in soils

Authors: Ning, Cui; Haoyu, Xu; Shijie, Yao; Yiwen, He; Hongchao, Zhang; Yunlong, Yu;

Chiral triazole fungicide tebuconazole: enantioselective bioaccumulation, bioactivity, acute toxicity, and dissipation in soils

Abstract

Enantioselectivity in environmental behavior and toxic effect of chiral pesticides has been received much attention. In this study, enantioselective bioactivity towards target organism Botrytis cinerea, acute toxicity and bioaccumulation in Eisenia fetida, and degradation in five kinds of soil under laboratory conditions regarding triazole fungicide tebuconazole were investigated. The results showed that fungicidal activity to Botrytis cinerea of R-(-)-tebuconazole was 44 times higher than S-(+)-tebuconazole with an order of R-(-)-tebuconazole > rac-tebuconazole > S-(+)-tebuconazole. No significant difference was found in acute toxicity of rac-, R-, and S-tebuconazole to E. fetida with 48-h EC50 of 10.78, 10.48, and 10.84 μg/cm2, respectively. Dissipation of tebuconazole in the five tested soils varied upon soil characteristics with half-life ranging from 32.2 to 216.6 days. Enantioselective and rapid dissipation of tebuconazole were observed in soils Hainan and Huajiachi, compared to the other soils. Enantioselective accumulation of tebuconazole in E. fetida was found with a preferential of S-(+)-tebuconazole although no significant difference in acute toxicity to E. fetida between rac-tebuconazole and enantiomers. The results indicated that S-(+)-tebuconazole with less fungicidal activity may be more likely to be accumulated in earthworm E. fetida. This research is helpful to better evaluate the environmental and ecological risk of tebuconazole on enantiomeric level.

Related Organizations
Keywords

Soil, Animals, Soil Pollutants, Stereoisomerism, Botrytis, Oligochaeta, Pesticides, Triazoles, Fungicides, Industrial

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
85
Top 1%
Top 10%
Top 10%
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