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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 99, No. 2, 2004, pp. 211-218
Bioline Code: oc04038
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 99, No. 2, 2004, pp. 211-218

 en Activity of Oil-formulated Beauveria bassiana check for this species in other resources against Triatoma sordida check for this species in other resources in Peridomestic Areas in Central Brazil
Christian Luz; Luiz FN Rocha; Gustavo V Nery; Bonifácio P Magalhães & Myrian S Tigano

Abstract

Field tests were carried out during the rainy season of 2001/2002 in São Luís de Montes Belos, Goiás, Brazil, to evaluate the potential of the entomopathogenic fungus, Beauveria bassiana check for this species in other resources , against peridomestic Triatoma sordida check for this species in other resources . An oil-water formulation of the isolate CG 14 (Embrapa) was applied in triatomine infested hen houses of four farms at a final concentration of 106 conidia/cm2. Numbers of T. sordida decreased over the next 25 days, after application of the fungus, and B. bassiana developed on dead insects in one hen house. A high number of B. bassiana colonies was detected in substrates collected in treated hen houses 24 h after application of CG 14. In the following three months the presence of B. bassiana declined to values found before treatment.

Keywords
field test - Triatoma sordida - Beauveria bassiana - peridomestic - Central Brazil

 
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