Synergistic and individual efficacy of certain plant extracts against dengue vector mosquito, Aedes aegypti

Autor(es): Yankanchi, S. R.; Yadav, Omkar V.; Jadhav, Ganesh S.


Resumo: Mosquitoes are responsible for transmitting pathogens of many diseases such as malaria, filariasis, dengue haemorrhagic fever and chikunguinya than any other group of arthropods. The present study was undertaken to evaluate larvicidal efficacy of Vitex negundo, Clerodendrum inerme and Gliricidia sepium individually and synergistic activities combined with Pongamia glabra seed extract against early fourth instar dengue vector mosquito, Aedes aegypti. In the acute toxicity tests against the early fourth instar A. aegypti, larval mortality increased with increased concentrations of the extract. The results revealed that, C. inerme found to be more toxic plant when tested individually. The maximum synergistic activities were found in the combination extracts of V. negundo with P. glabra (50: 50). The results of study revealed that Vitex negundo, Clerodendrum inerme plant leaves individual and/or combinations with extracts of P. glabra can be used as potent source of natural mosquito larvicidal agent.


Palavras-Chave: Aedes aegypti; Botanicals; Mosquito; Larvicides; Synergism


Imprenta: Journal of Biopesticides. Vol. 7, n. 1, p. 22-28, 2014.


Descritores: Aedes aegypti - Transmission ; Aedes aegypti - Larvicide ; Aedes aegypti - Dengue ; Aedes aegypti - Public health


Data de publicação: 2014