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Synergistic potential of dillapiole-rich essential oil with synthetic pyrethroid insecticides against fall armyworm Ciência Rural
Fazolin,Murilo; Estrela,Joelma Lima Vidal; Medeiros,André Fábio Monteiro; Silva,Iriana Maria da; Gomes,Luiara Paiva; Silva,Maria Samylla de Farias.
ABSTRACT: The objective of this study was to evaluate the synergy and response homogeneity of the Spodoptera frugiperda larvae population to the Piper aduncum essential oil in combination with pyrethroid insecticides (alpha-cypermethrin, beta-cypermethrin, fenpropathrin, and gamma-cyhalothrin) compared to piperonylbutoxide (PBO) as positive control. Synergism (SF) comparisons were obtained using lethal concentration (LC50) and lethal dose (LD50) ratios of insecticides individually and in their respective synergistic combinations with essential oil and PBO. Dose/concentration-mortality slope curves were used to establish relative toxicity increase promoted by synergism. They also determined homogeneity response. Residual contact revealed significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alpha-cypermethrin; Beta-cypermethrin; Fenpropathrin; Gamma-cyhalothrin; Insecticide resistance.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000300382
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