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Bioengineered ; 10(1): 292-305, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31284815


In the present study, Probit, Cauchy Fractional and three types of Log methods, i.e., Logit, Log-log, and Complementary log-log were employed to model the feeding deterrence of the lesser grain borer, Rhyzopertha dominica (F) (Coleoptera: Bostrichidae), when fed latex protein, crude flavonoid fraction, 3-O-rutinosides of quercetin, kaempferol and isorhamnetin, isolated from Calotropis procera (Ait.) (Gentianales: Asclepiadaceae). A nutritional study with treated flour discs at sub-lethal concentrations indicated that the tested natural products negatively affected the feeding behavior of the lesser grain borer, causing high feeding deterrent indices. Our results assure that Probit, Logit and Clog-log model the feeding deterrent indices with high goodness of fit. The models aim to support the management of the test insect when fed grains treated with sub-lethal doses of the tested phytochemicals in order to develop a viable, precise and long-term strategy to minimize the excessive reliance on the chemical pesticides currently in use.

Produtos Biológicos/farmacologia , Calotropis/química , Besouros/efeitos dos fármacos , Quempferóis/farmacologia , Modelos Estatísticos , Quercetina/análogos & derivados , Quercetina/farmacologia , Animais , Besouros/fisiologia , Grão Comestível/parasitologia , Comportamento Alimentar/efeitos dos fármacos , Comportamento Alimentar/fisiologia , Glicosídeos/farmacologia , Larva/efeitos dos fármacos , Larva/fisiologia , Componentes Aéreos da Planta/química , Extratos Vegetais/química , Triticum/parasitologia