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Memórias do Instituto Oswaldo Cruz

versão impressa ISSN 0074-0276versão On-line ISSN 1678-8060

Resumo

MELO-SANTOS, Maria Alice Varjal de; SANCHES, Elizabeth Gomes; JESUS, Fernando Justino de  e  REGIS, Lêda. Evaluation of a new tablet formulation based on Bacillus thuringiensis sorovar. israelensis for larvicidal control of Aedes aegypti. Mem. Inst. Oswaldo Cruz [online]. 2001, vol.96, n.6, pp.859-860. ISSN 0074-0276.  http://dx.doi.org/10.1590/S0074-02762001000600020.

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.

Palavras-chave : Bacillus thuringiensis israelensis; Aedes aegypti; tablet formulation.

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