Prediction of the toxic impact on the freshwater microalgae Scenedesmus intermedius produced by the interaction of copper sulfate and copper oxychloride in a binary mixture with glyphosate
نویسندگان
چکیده
The high population growth worldwide causes a demand for food with an increase in the use of different agrochemicals, pesticides and herbicides being primary pollutants anthropogenic origin environment. One critical aims ecotoxicology is evaluation toxic effects mixtures chemical substances that can have additive, synergistics or antagonistics ecosystems. For this reason, research were to: 1) estimate individual subchronic toxicity agrochemicals copper oxychloride [Cu2(OH)3Cl], sulfate (CuSO4), glyphosate (Gly-BH) on inhibition freshwater chlorophyte Scenedesmus intermedius, 2) predict antagonistic, synergistic, additive behaviour binary Gly-BH Cu2(OH)3Cl CuSO4 through Combination Index Equation (CIE). order at 7 days exposure S. intermedius was (IC50 2.70 mg/l) > 4.03 no statistical differences between both 25.59 major tolerance if it compared other chemicals. mixture CuSO4/Gly-BH, antagonistic effect observed (combination index CI 1), but lower 7.40 when responses these compounds. However, mixture, Cu2(OH)3Cl/Gly-BH more synergistic response 0.85 even 5 30 times higher. These results highlight importance studying interactions ecosystems to establish better regulation their environmental impact.
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ژورنال
عنوان ژورنال: Limnetica
سال: 2023
ISSN: ['0213-8409', '1989-1806', '2660-8537']
DOI: https://doi.org/10.23818/limn.43.10