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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v38.i5.100
8 pages

Bioassay of the Toxic Action of the Triman-1 Regulator of Plant Growth on Crustacea

N. A. Platonov
Institute of Hydrobiology National Academy of Sciences of Ukraine, Kiev, Ukraine

RESUMO

The influence of the triman-1 regulator of plant growth on Daphnia magna and Ceriodaphnia affinis was studied in performing acute and chronic experiments. It has been found that the LC5096 of the preparation for Daphnia magna and Ceriodaphnia affinis accounts for 41.0 and 40.4 mg/L, respectively. In acute experiments, the concentrations of the preparation of 50 and 75 mg/L proved to be lethal for Ceriodaphnia affinis. In chronic experiments, the lethal concentration of the preparation accounted for 25 mg/L. In this case, fecundity of the studied species of Crustacea decreased by 82.4%. The concentration of the preparation in the range between 0.001 and 0.1 mg/L had little or no effect on Ceriodaphnia affinis.


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