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| 11. |  | BETTIOL, W.; MAFFIA, L. A.; CASTRO, M. L. M. P. Control biológico de enfermedades de plantas en Brasil. In: BETTIOL, W.; RIVERA, M. C.; MONDINO, P.; MONTEALEGRE, J. R.; COLMENÁREZ, Y. (Ed.). Control biológico de enfermedades de plantas en América Latina y el Caribe. Montevidéo: Facultad de Agronomia, Universidad de la Republica, 2014. p. 91-138.| Biblioteca(s): Embrapa Meio Ambiente. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
14/11/2013 |
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Data da última atualização: |
18/12/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
HADDAD, F.; SARAIVA, RODRIGO M.; MIZUBUTI, EDUARDO S. G.; ROMEIRO, R. S.; MAFFIA, L. A. |
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Afiliação: |
FERNANDO HADDAD, CNPMF; RODRIGO M. SARAIVA, UFV; EDUARDO S. G. MIZUBUTI, UFV; REGINALDO S. ROMEIRO, UFV; LUIZ A.MAFFIA, UFV. |
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Título: |
Antifungal compounds as a mechanism to control Hemileia vastatrix by antagonistic bactéria. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Tropical Plant Pathology, v. 38, n.5, p.398-405, 2013. |
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Idioma: |
Inglês |
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Conteúdo: |
Pseudomonas putida P286 and Bacillus thuringiensis B157 controlled coffee rust under greenhouse and field conditions. Now we studied the mechanism(s) of antagonism of both bacteria to Hemileia vastatrix. Bacterial effects on urediniospore germination and disease severity were evaluated in experiments with six treatments: (i) growth broth, (ii) supernatant centrifugation, (iii) bacterial cell centrifugation and re-suspension, (iv) UV inactivation of the bacteria, (v) 523 medium, and (vi) saline solution. The treatments i to iii reduced both spore germination and disease severity. Each isolate was applied at different concentrations and time periods before inoculation of H. vastatrix. The efficiency in controlling rust was reduced at the lowest concentrations and at the largest intervals between applications. In spatial separation experiments, both bacteria did not induce systemic protection, whereas protected locally the coffee plants against H. vastatrix. Therefore, the mechanism of both isolates against H. vastatrix is attributed to the production of antifungal compound (s). |
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Thesagro: |
Bacillus Thuringiensis; Café; Coffea Arábica; Controle biológico; Ferrugem; Pseudomonas Putida. |
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Thesaurus NAL: |
Biological control. |
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Categoria do assunto: |
-- |
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Marc: |
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100 1 $aHADDAD, F.
245 $aAntifungal compounds as a mechanism to control Hemileia vastatrix by antagonistic bactéria.
260 $c2013
520 $aPseudomonas putida P286 and Bacillus thuringiensis B157 controlled coffee rust under greenhouse and field conditions. Now we studied the mechanism(s) of antagonism of both bacteria to Hemileia vastatrix. Bacterial effects on urediniospore germination and disease severity were evaluated in experiments with six treatments: (i) growth broth, (ii) supernatant centrifugation, (iii) bacterial cell centrifugation and re-suspension, (iv) UV inactivation of the bacteria, (v) 523 medium, and (vi) saline solution. The treatments i to iii reduced both spore germination and disease severity. Each isolate was applied at different concentrations and time periods before inoculation of H. vastatrix. The efficiency in controlling rust was reduced at the lowest concentrations and at the largest intervals between applications. In spatial separation experiments, both bacteria did not induce systemic protection, whereas protected locally the coffee plants against H. vastatrix. Therefore, the mechanism of both isolates against H. vastatrix is attributed to the production of antifungal compound (s).
650 $aBiological control
650 $aBacillus Thuringiensis
650 $aCafé
650 $aCoffea Arábica
650 $aControle biológico
650 $aFerrugem
650 $aPseudomonas Putida
700 1 $aSARAIVA, RODRIGO M.
700 1 $aMIZUBUTI, EDUARDO S. G.
700 1 $aROMEIRO, R. S.
700 1 $aMAFFIA, L. A.
773 $tTropical Plant Pathology$gv. 38, n.5, p.398-405, 2013.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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