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Impact of water renewal on the residual effect of larvicides in the control of Aedes aegypti

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Impact of water renewal on the residual effect of larvicides in the control of Aedes aegypti

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Título Impact of water renewal on the residual effect of larvicides in the control of Aedes aegypti
Autor Pontes, Ricardo José Soares
Dantas Filho, Fábio Fernandes
Alencar, Carlos Henrique Morais de
Regazzi, Ana Cláudia Ferreira
Cavalcanti, Luciano Pamplona de Góes
Ramos Júnior, Alberto Novaes
Lima, José Wellington de Oliveira
Abstract This study was carried out to evaluate the residual effect of three larvicides under laboratory conditions for 100 days in Aedes aegypti. The larval mortality rate was measured without water renewal or with daily water renewal (80%). With temephos, there was 100% mortality in both groups until the 70th day. In the Bacillus thuringiensis israelensis (Bti)-WDG test, there was no difference during the first 20 days. With Bti-G, without water renewal, mortality was sustained above 90% for up to 35 days. The second experiment (with water renewal) reduced the mortality to below 90% after the first 20 days. When renewed water was provided, the residual effect was significantly lower for all larvicides.
Contido em Memórias do Instituto Oswaldo Cruz. Rio de Janeiro. Vol. 105, n. 2 (mar. 2010), p. 220-224
Assunto Aedes aegypti
Bacillus thuringiensis
Controle de insetos
Dengue
Inseticidas
Inseticidas organofosforados
[en] Aedes
[en] Bacillus thuringiensis
[en] Dengue
[en] Insect control
[en] Insecticides
[en] Organophosphate
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/30539
Arquivos Descrição Formato
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