IMAZAPYR HERBICIDE EFFICACY ON FLOATING MACROPHYTE CONTROL AND ECOTOXICOLOGY FOR NON-TARGET ORGANISMS 1 Eficácia do Herbicida Imazapyr no Controle de Macrófitas Flutuantes e Ecotoxicologia para
作者： C. Cruz
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摘要: the aims of this study were to determine imazapyr efficacy for floating macrophyte control and ecotoxicology non-target organisms. For tests used doses 0,5; 1,0; 2,0; 2,5; 3,0; 3,5 4,0 L ha-1 a with 10 replicates. The acute toxicology organisms was estimated by lethal concentration 50% (LC50 EC50). over 90%. Imazapyr classified as moderately toxic following biomarkers: L. minor, H. eques, B. rerio, P. caudimaculatus, canaliculata, mesopotamicus lightly A. caroliniana. Thus, herbicide is tool great potential be on (E. crassipes, stratiotes e S. molesta) in Brazil practice can evaluated use application biomarkers.
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