Toxicity Assessment Of Fosthiazate, Metalaxyl-M
And Imidacloprid And Their Interaction With
Copper On Daphnia Magna
Author(s)
A. Kungolos, V. Tsiridis, H. Nassopoulos, P. Samaras
& N. Tsiropoulos
Abstract
The toxic effects of three agrochemicals (fosthiazate, metalaxyl-M and
imidacloprid) and copper were investigated in this study on the crustacean
Daphnia magna. Copper was the most toxic tested compound with the lowest
EC50 value, equal to 0.11 mg/L. Among the three agrochemicals, fosthiazate was
the most toxic with an EC50 value equal to 0.32 mg/L, about two orders of
magnitude lower than the EC50 of metalaxyl-M and imidachloprid. The
interactive effects of binary mixtures of fosthiazate, metalaxyl-M or imidacloprid
and copper were also investigated. The interactive effects between agrochemicals
and copper were antagonistic in most cases, while additive effects were observed
for binary mixtures of metalaxyl-M and copper for low concentration
combinations.
Keywords: pesticides, agrochemicals, bioassays, Daphnia magna, interactive
effects.
Keywords
pesticides, agrochemicals, bioassays, Daphnia magna, interactive
effects.
Related Book
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