Paraquat toxicity to different green algae

Exposure of Chlorella vulgaris, Selenastrum capricornutum, Scenedesmus quadricauda (2 strains), and Scenedesmus acutus to paraquat gave different growth patterns according to the species. The 96 h EC50 for C. vulgaris, S. capricornutum, S. acutus, S. quadricauda (CCAP 276/21) and S. quadricauda were...

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Veröffentlicht in:	Bulletin of environmental contamination and toxicology 1997-06, Vol.58 (6), p.922-928
Hauptverfasser:	SAENZ, M. E, ALBERDI, J. L, DI MARZIO, W. D, ACCORINTI, J, TORTORELLI, M. C
Format:	Artikel
Sprache:	eng
Schlagworte:	Algae Analysis of Variance Animal, plant and microbial ecology Applied ecology Aquatic plants Biological and medical sciences Chlorella - cytology Chlorella - drug effects Chlorella - metabolism chlorophyceae Chlorophyta - cytology Chlorophyta - drug effects Chlorophyta - metabolism Culture Media Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on plants and fungi Freshwater Fundamental and applied biological sciences. Psychology Guidelines as Topic Herbicides - toxicity Lethal Dose 50 NADP - metabolism paracuat Paraquat Paraquat - toxicity Selenastrum capricornutum toxicidad toxicite toxicity United States United States Environmental Protection Agency Water Pollutants, Chemical - toxicity
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Zusammenfassung:	Exposure of Chlorella vulgaris, Selenastrum capricornutum, Scenedesmus quadricauda (2 strains), and Scenedesmus acutus to paraquat gave different growth patterns according to the species. The 96 h EC50 for C. vulgaris, S. capricornutum, S. acutus, S. quadricauda (CCAP 276/21) and S. quadricauda were 0.14, 0.67, 0.047, 1.30 and 0.22, respectively. Because of these results, the use of paraquat in the recommended range (0.1-2 mg paraquat per litre) for aquatic weed control would cause acute and chronic damage to the natural green algae populations.
ISSN:	0007-4861 1432-0800
DOI:	10.1007/s001289900422