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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. |
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Data corrente: |
08/02/2017 |
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Data da última atualização: |
22/03/2017 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
CHAVES, N. P.; STAVER, C.; RODRIGUEZ, M. A. D. |
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Afiliação: |
N. P. CHAVES, RTB; C. STAVER, RTB; MIGUEL ANGEL DITA RODRIGUEZ, CNPMF. |
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Título: |
Potential of Trichoderma asperellum for biocontrol of Fusarium wilt in banana. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Acta Horticulturae, 1114, ISHS, 2016, |
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ISSN: |
0567-7572 |
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Idioma: |
Inglês |
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Conteúdo: |
A total of 72 fungal endophytes were isolated from surface-sterilized roots of healthy 'Gros Michel' (AAA genome, Gros Michel subgroup) banana plants in Turrialba, Costa Rica. In vitro and in vivo tests were carried out in order to identify microorganisms with potential activity against Fusarium oxysporum f. sp. cubense (Foc, race 1). In vitro tests revealed that 22 isolates inhibited the growth of Foc. The four most effective isolates were selected for suppression of Foc under greenhouse conditions. Plants treated with the four isolates showed a significant reduction of external and internal symptoms compared with untreated plants. Based on sequence analyses of specific genome regions [elongation factor - Tefa-1? or Internal Transcribed Spacer - ITS], the fungi tested in the greenhouse were identified as Trichoderma asperellum. Field trials are currently underway in Costa Rica to verify the performance of T. asperellum isolates as potential biological control agents against Foc. Results indicate that certain endophytic microorganisms may play important roles in controlling Fusarium wilt in banana. A better understanding of the antagonistic mechanisms displayed by endophytes in order to provide the best conditions to optimize the antagonistic activities of beneficial strains is still required. |
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Thesagro: |
Banana. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01773nam a2200157 a 4500
001 2063057
005 2017-03-22
008 2016 bl uuuu u00u1 u #d
022 $a0567-7572
100 1 $aCHAVES, N. P.
245 $aPotential of Trichoderma asperellum for biocontrol of Fusarium wilt in banana.$h[electronic resource]
260 $aActa Horticulturae, 1114, ISHS, 2016,$c2016
520 $aA total of 72 fungal endophytes were isolated from surface-sterilized roots of healthy 'Gros Michel' (AAA genome, Gros Michel subgroup) banana plants in Turrialba, Costa Rica. In vitro and in vivo tests were carried out in order to identify microorganisms with potential activity against Fusarium oxysporum f. sp. cubense (Foc, race 1). In vitro tests revealed that 22 isolates inhibited the growth of Foc. The four most effective isolates were selected for suppression of Foc under greenhouse conditions. Plants treated with the four isolates showed a significant reduction of external and internal symptoms compared with untreated plants. Based on sequence analyses of specific genome regions [elongation factor - Tefa-1? or Internal Transcribed Spacer - ITS], the fungi tested in the greenhouse were identified as Trichoderma asperellum. Field trials are currently underway in Costa Rica to verify the performance of T. asperellum isolates as potential biological control agents against Foc. Results indicate that certain endophytic microorganisms may play important roles in controlling Fusarium wilt in banana. A better understanding of the antagonistic mechanisms displayed by endophytes in order to provide the best conditions to optimize the antagonistic activities of beneficial strains is still required.
650 $aBanana
700 1 $aSTAVER, C.
700 1 $aRODRIGUEZ, M. A. D.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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| 2. |  | BRANDAO JUNIOR, SARIDAKIS, G. P.; ESPINDOLA, C. R.; ARBENTON, O.; TORRES, E.; HUNGRIA, M. Avaliacao da populacao e da biomassa microbianas em plantio direto e convencional. In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 28., 2001, Londrina. Ciencia do solo: fator de produtividade e competitividade com sustentabilidade. Londrina: Sociedade Brasileira de Ciencia do Solo, 2001. p.88.| Biblioteca(s): Embrapa Soja. |
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| 4. | | PICCININ, J. L.; TORRES, E.; ZOTARELLI, L.; SARANVA, O. F.; ESPINDOLA, C. R. Crop yield and physical attributes of a clayey oxisol under diferent soil management systems and crop rotation. In: WORLD CONGRESS OF SOIL SCIENCE, 18., 2006, Philadelphia. Abstracts... Madison: ASA-CSSA-SSSA, 2006. 1 CD-ROM. Nome correto do quarto autor SARAIVA, O. F.| Biblioteca(s): Embrapa Soja. |
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| 6. | | SARIDAKIS, G. P.; BRANDAO JUNIOR, O.; ALBERTON, P.; BROWN, G. G.; ESPINDOLA, C. R.; TORRES, E.; HUNGRIA, M. Comunidades da macrofauna edafica em plantio direto e convencional na Embrapa Soja. In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 28., 2001, Londrina. Ciencia do solo: fator de produtividade e competitividade com sustentabilidade. Londrina: Sociedade Brasileira de Ciencia do Solo, 2001. p.71.| Biblioteca(s): Embrapa Soja. |
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| 7. | | BRANDÃO JUNIOR, O.; SARIDAKIS, G. P.; FERREIRA, M. C.; SARIDAKIS, H. O.; ESPÍNDOLA, C. R.; HUNGRIA. M.; ALBERTON, O.; TORRES, E. Avaliação da população e biomassa microbianas em diferentes sistemas de preparo do solo. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 21., 2001, Foz do Iguaçu-PR. Resumos... Foz do Iguaçu: Sociedade Brasileira de Microbiologia, 2001. Trab. MS-076.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 7 | |
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