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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 96, No. 6, 2001, pp. 859-860
Bioline Code: oc01138
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 96, No. 6, 2001, pp. 859-860

 en SHORT COMMUNICATION - Evaluation of a New Tablet Formulation Based on Bacillus thuringiensis sorovar. israelensis for Larvicidal Control of Aedes aegypti
Maria Alice Varjal de Melo-Santos; Elizabeth Gomes Sanches; Fernando Justino de Jesus & Lêda Regis


The effect of sunlight on the efficacy and persistence of an experimental tablet formulation based on Bacillus thuringiensis sorovar. israelensis (C4P1) was evaluated against Aedes aegypti larvae under simulated field conditions. The initial mortality ranged from 93 to 100%, and the residual activity (3 70% mortality) recorded in containers exposed to sunlight or shade were, respectively, 13-35 days and 40-54 days. The results suggest that C4P1 can provide long-term larvicidal effect and operational advantages.

Bacillus thuringiensis israelensis, Aedes aegypti, tablet formulation

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