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[Selection of isolates of entomopathogenic fungus Beauveria bassiana (Ascomycetes: Clavicipitaceae) for control of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae)]. / Seleção de isolados do fungo entomopatogênico Beauveria bassiana (Ascomycetes: Clavicipitaceae) para o controle de Rhipicephalus (Boophilus) microplus (Acari: Ixodidae)
Barci, Leila A G; de Almeida, José Eduardo M; de Campos Nogueira, Adriana H; Zappelini, Luciano O; do Prado, Angelo P.
Afiliação
  • Barci LA; Centro de Pesquisa e Desenvolvimento de Sanidade Animal-CPDSA, Instituto Biológico, Av. Conselheiro Rodrigues Alves 1.252, CEP 04.014-002, São Paulo-SP, Brazil. barci@biologico.sp.gov.br
Rev Bras Parasitol Vet ; 18 Suppl 1: 7-13, 2009 Dec.
Article em Pt | MEDLINE | ID: mdl-20040184
This study was carried out to select isolates of the entomopathogenic fungus Beauveria bassiana with pathogenic potential to control the Rhipicephalus (Boophilus) microplus tick. The effectiveness of thirty isolates was first tested at a concentration of 5 x 108 conidia.mL(-1). Of these, eight were evaluated (IBCB01, IBCB02, IBCB07, IBCB17, IBCB21, IBCB74, IBCB149, IBCB165) and showed an effectiveness between 90 and 99%; thirteen (IBCB03, IBCB14, IBCB16, IBCB24, IBCB95, IBCB97, IBCB102, IBCB141, IBCB146, IBCB147, IBCB150, IBCB154, IBCB157) between 80 and 89,5%; six (IBCB47, IBCB75, IBCB84, IBCB145, IBCB161, IBCB164) between 70 and 79%, and only two (IBCB13 and IBCB143) had lower pathogenicity (70% or below). In the second step of the study, the five more effective strains in the first phase of the experiment (IBCB01, IBCB07, IBCB21, IBCB66, IBCB165) were analyzed comparatively. Based on in vitro results, it can be concluded that IBCB66 and IBCB21 are the isolates with higher potential for field control of R. (B.) microplus. IBCB01, IBCB07, IBCB21, IBCB66 e IBCB165 isolates were submitted to a conidial production test using a rice-based substrate. The best mass production of the entomopathogenic fungus was obtained with the IBCB66 strain.
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ascomicetos / Controle Biológico de Vetores / Ixodidae / Beauveria Limite: Animals Idioma: Pt Revista: Rev Bras Parasitol Vet Assunto da revista: MEDICINA VETERINARIA / PARASITOLOGIA Ano de publicação: 2009 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Buscar no Google
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ascomicetos / Controle Biológico de Vetores / Ixodidae / Beauveria Limite: Animals Idioma: Pt Revista: Rev Bras Parasitol Vet Assunto da revista: MEDICINA VETERINARIA / PARASITOLOGIA Ano de publicação: 2009 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil