| Influence of cypermethrin and fenvalerate on a green alga and three cyanobacteria isolated from soil. | |
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MedLine Citation:
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PMID: 3121278 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effects of two pyrethroid insecticides, cypermethrin and fenvalerate, on a green alga (Scenedesmus bijugatus) and three species of cyanobacteria (Synechococcus elongatus, Nostoc linckia, and Phormidium tenue), all isolated from a black cotton soil, were studied using either cell number or chlorophyll a as toxicity criterion. All the four species were either unaffected or stimulated at 5 micrograms ml-1. Of the two insecticides, cypermethrin, at 10 to 50 micrograms ml-1, inhibited S. bijugatus while these concentrations stimulated or only slightly inhibited the growth of S. elongatus. There was a significant inhibition in the growth of S. bijugatus and stimulation in S. elongatus with 10 to 50 micrograms ml-1 fenvalerate. The growth of N. linckia was enhanced by both insecticides while P. tenue was significantly affected. |
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Authors:
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M Megharaj; K Venkateswarlu; A S Rao |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Ecotoxicology and environmental safety Volume: 14 ISSN: 0147-6513 ISO Abbreviation: Ecotoxicol. Environ. Saf. Publication Date: 1987 Oct |
Date Detail:
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Created Date: 1988-01-26 Completed Date: 1988-01-26 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7805381 Medline TA: Ecotoxicol Environ Saf Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 142-6 Citation Subset: IM |
Affiliation:
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Department of Botany, Nagarjuna University, India. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Algae, Green
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drug effects* Chlorophyll / metabolism Cyanobacteria / drug effects* Insecticides / toxicity* Nitriles Pyrethrins / toxicity* Soil Microbiology* |
| Chemical | |
Reg. No./Substance:
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0/Insecticides; 0/Nitriles; 0/Pyrethrins; 1406-65-1/Chlorophyll; 479-61-8/chlorophyll a; 51630-58-1/fenvalerate; 52315-07-8/cypermethrin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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