Typical Monoterpenes as Insecticides and Repellents against Stored Grain Pests
AbstractFive monoterpenes naturally occurring in essential oils were tested for their insecticidal and repellent activities against the bruchid beetle Callosobruchus maculatus and the maize weevil Sitophilus zeamais. The monoterpenes were highly efficient as inducers of mortality or repellency against both insect species. They were more efficient in their fumigant activity against C. maculatus than against S. zeamais, while this profile of action was inverted when considering the repellent activities. Eugenol was one the most effective fumigants against both insects and one the most effective repellent against C. maculatus, while citronellal and geranial were one the most effective repellents against S. zeamais. Functional and positional isomerism of the monoterpenes pairs appears to exert little or no influence on theirs effects, especially in case of repellency. The validation of the insecticidal/repellent efficacy of isolated monoterpenes may permit a more advantageous, rapid, economic and optimized approach to the identification of promising oils for commercial formulations when combined with ethnobotanical strategies. View Full-Text
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Reis, S.L.; Mantello, A.G.; Macedo, J.M.; Gelfuso, E.A.; da Silva, C.P.; Fachin, A.L.; Cardoso, A.M.; Beleboni, R.O. Typical Monoterpenes as Insecticides and Repellents against Stored Grain Pests. Molecules 2016, 21, 258.
Reis SL, Mantello AG, Macedo JM, Gelfuso EA, da Silva CP, Fachin AL, Cardoso AM, Beleboni RO. Typical Monoterpenes as Insecticides and Repellents against Stored Grain Pests. Molecules. 2016; 21(3):258.Chicago/Turabian Style
Reis, Suelen L.; Mantello, Anieli G.; Macedo, Jeferson M.; Gelfuso, Erica A.; da Silva, Cássio P.; Fachin, Ana L.; Cardoso, Alexandre M.; Beleboni, Rene O. 2016. "Typical Monoterpenes as Insecticides and Repellents against Stored Grain Pests." Molecules 21, no. 3: 258.
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