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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
14/02/2012 |
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Data da última atualização: |
26/06/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LOPES, R. B.; MICHEREFF FILHO, M.; TIGANO, M. S.; NEVES, P. M. O. J.; LÓPEZ, E. L.; FANCELLI, M.; SILVA, J. P. da. |
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Afiliação: |
ROGERIO BIAGGIONI LOPES, CENARGEN; MIGUEL MICHEREFF FILHO, CNPH; MYRIAN SILVANA TIGANO, DE/P&D; PEDRO MANUEL OLIVEIRA JANEIRO NEVES, UEL; ERNESTO LEMA LÓPEZ, SERVICIO AGRÍCOLA Y GANADERO (SAG); MARILENE FANCELLI, CNPMF; JOSEANE PADILHA DA SILVA, CENARGEN. |
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Título: |
Virulence and horizontal transmission of selected Brazilian strains of Beauveria bassiana against Cosmopolites sordidus under laboratory conditions. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Bulletin of Insectology, v. 64, n. 2, p. 201-208, 2011 |
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Idioma: |
Inglês |
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Conteúdo: |
Virulence of Brazilian selected strains of Beauveria bassiana (Balsamo) Vuillemin, their infectivity at different temperatures and horizontal transmission potential on adults of Cosmopolites sordidus (Germar) (Coleoptera Curculionidae) were investigated. No relation was observed between groups formed by molecular analysis and the biological activity of tested B. bassiana against C. sordidus in preliminary screening bioassay. LC50 after a ten-day period was 3.9 × 107 and 2.6 × 108 conidia ml-1 for the selected strains CG1013 and CG1027, respectively. LT50 at 21, 25 and 29 °C was less than 7.4 days for a 2 × 108 conidia ml-1 suspension of CG1013. LT50 for CG1027 were up to 11 days for the same temperatures. Fungal transmission occurred among infected and healthy individuals. Density increase of inoculated insects in the population increased the mortality of non-inoculated insects for both strains. The number of conidia produced per cadaver was similar for the two strains. However, horizontal transmission efficacy of CG1013 was higher than that observed for CG1027. Mortality of non-inoculated adults at a ratio of 2:10 of infected to healthy adults was 10% for CG1027, after 20 days of exposure. At the same ratio, mortality of non-inoculated insects was 34% for CG1013. Our results indicate the potential of the strain CG1013 of B. bassiana as a biocontrol agent against the banana weevil. |
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Palavras-Chave: |
Banana weevil; Microbial control. |
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Thesaurus Nal: |
biological control; entomopathogenic fungi; screening. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02212naa a2200253 a 4500
001 1915374
005 2024-06-26
008 2011 bl uuuu u00u1 u #d
100 1 $aLOPES, R. B.
245 $aVirulence and horizontal transmission of selected Brazilian strains of Beauveria bassiana against Cosmopolites sordidus under laboratory conditions.$h[electronic resource]
260 $c2011
520 $aVirulence of Brazilian selected strains of Beauveria bassiana (Balsamo) Vuillemin, their infectivity at different temperatures and horizontal transmission potential on adults of Cosmopolites sordidus (Germar) (Coleoptera Curculionidae) were investigated. No relation was observed between groups formed by molecular analysis and the biological activity of tested B. bassiana against C. sordidus in preliminary screening bioassay. LC50 after a ten-day period was 3.9 × 107 and 2.6 × 108 conidia ml-1 for the selected strains CG1013 and CG1027, respectively. LT50 at 21, 25 and 29 °C was less than 7.4 days for a 2 × 108 conidia ml-1 suspension of CG1013. LT50 for CG1027 were up to 11 days for the same temperatures. Fungal transmission occurred among infected and healthy individuals. Density increase of inoculated insects in the population increased the mortality of non-inoculated insects for both strains. The number of conidia produced per cadaver was similar for the two strains. However, horizontal transmission efficacy of CG1013 was higher than that observed for CG1027. Mortality of non-inoculated adults at a ratio of 2:10 of infected to healthy adults was 10% for CG1027, after 20 days of exposure. At the same ratio, mortality of non-inoculated insects was 34% for CG1013. Our results indicate the potential of the strain CG1013 of B. bassiana as a biocontrol agent against the banana weevil.
650 $abiological control
650 $aentomopathogenic fungi
650 $ascreening
653 $aBanana weevil
653 $aMicrobial control
700 1 $aMICHEREFF FILHO, M.
700 1 $aTIGANO, M. S.
700 1 $aNEVES, P. M. O. J.
700 1 $aLÓPEZ, E. L.
700 1 $aFANCELLI, M.
700 1 $aSILVA, J. P. da
773 $tBulletin of Insectology$gv. 64, n. 2, p. 201-208, 2011
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