2019
DOI: 10.31413/nativa.v7i6.7870
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POTENCIAL INSETICIDA DO EXTRATO ETANÓLICO DE Anadenanthera macrocarpa (BENTH.) EM LEPIDÓPTEROS-PRAGA

Abstract: O complexo de lagartas desfolhadoras - Spodoptera cosmioides, Spodoptera frugiperda e Helicoverpa armigera, são responsáveis por uma considerável redução na produção de grãos. A aplicação de extratos botânicos consiste em uma alternativa viável e eficiente de controle, além de ser menos nociva ao meio ambiente e a saúde do homem. O objetivo foi avaliar o potencial inseticida do extrato bruto de folhas e casca de Anadenanthera macrocarpa, sobre as lagartas de S. frugiperda, S. cosmioides, H. armigera. Os inseto… Show more

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“…The highest concentrations of the ethyl acetate bark extract resulted in a faster larval mortality of S. frugiperda compared to the crude bark extract and its methanol fraction. According to Lopes et al [42], this fast larvicidal action should be considered in insect pest management programs. According to Lazarević et al [43], this expressive initial mortality is connected to the insect response capacity to oxidative stresses, which can lead to damage at a macromolecular level in their cells.…”
Section: Discussionmentioning
confidence: 99%
“…The highest concentrations of the ethyl acetate bark extract resulted in a faster larval mortality of S. frugiperda compared to the crude bark extract and its methanol fraction. According to Lopes et al [42], this fast larvicidal action should be considered in insect pest management programs. According to Lazarević et al [43], this expressive initial mortality is connected to the insect response capacity to oxidative stresses, which can lead to damage at a macromolecular level in their cells.…”
Section: Discussionmentioning
confidence: 99%