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Hydrobiological Journal
DOI: 10.1615/HydrobJ.v52.i5.80
pages 73-80 Impact of Nicosulfuron-containing Herbicide on Ceriodaphnia affinis
E. P. Shcherban'
National University of Bioresources and Nature Management, Kyiv, Ukraine
V. I. Lokhanskaya
National University of Bioresources and Nature Management, Kyiv, Ukraine ABSTRACTImpact of herbicide Consultant in form of suspension concentrate (SC) (active ingredient – nicosulfuron 40 g/l) on growth and reproduction of Ceriodaphnia affinis was studied in chronic experiments. Under concentration of 0.5 mg a.i./l reproduction stopped in II generation. Under 0.25 mg a.i./l statistically confident reducing of fertility was equal to 59%, under 0.1 - 40%, under 0.1 - 0.001 - 23.4 - 17.3%. Concentration 0.0001 mg a.i./l was ineffective for Ceriodaphnia affinis. Herbicide showed embryotoxic effect. High toxicity of low herbicide concentrations to crustaceans is supposed to be caused by preparation composition. KEY WORDS: Ceriodaphnia affinis, herbicide, nicosulfuron, preparation
form, suspension concentrate, toxicity, fertility
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