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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
26/04/2014 |
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Data da última atualização: |
25/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, A. A. R.; NISHIJIMA, W. |
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Afiliação: |
ANTONIO ALBERTO ROCHA OLIVEIRA, CNPMF; W. NISHIJIMA, University of Hawaii. |
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Título: |
Induction for resistance to Papaya Black spot elicited by acibenzolar-S-Methyl. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Plant Pathology Journal, 2014. |
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ISSN: |
1812-5387 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the effect of acibenzolar-S-methyl tested at 5 concentrations (O, 1, 5, 25 álld 100 flM a.i.) for its ability to protect papaya (Carica papaya) cv. Rainbow from black spot (Asperisporium caricae) followmg inoculation W1th the fungus. Effects of resistance induction treatrnent against black spot disease were evaluated by measuring the plant height and stem diameter. Disease symptoms were scored weekly by visually estimating disease severity of plants on the basis of a 5-class visual scale of O (no symptoms) to 4 (extensive lesions on leaves). Accumulation of defence-related proteins in papaya leaves were also analysed and compared. Results revealed that the leveI of protection againstA. Caricae was dose-dependent. Maximum reduction of the disease in leaves was obtained with 25-100 flM acibenzolar-S-methyl, with a time interval of 3 days between application of the activator and inoculation with the pathogen. The systemic resistance elicitation was characterized by an increase in 2 pathogenesis-related protems, chitinase and ~-1, 3-glucanase. These results md1cate that acibenzolar-S-methyl induces partial resistance in papaya against black spot disease which may provide the grower a new option for integrated management of the disease. |
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Thesagro: |
Carica Papaya; Mamão. |
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Thesaurus Nal: |
Asperisporium. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1985161
005 2023-05-25
008 2014 bl uuuu u00u1 u #d
022 $a1812-5387
100 1 $aOLIVEIRA, A. A. R.
245 $aInduction for resistance to Papaya Black spot elicited by acibenzolar-S-Methyl.$h[electronic resource]
260 $c2014
520 $aThe objective of this study was to evaluate the effect of acibenzolar-S-methyl tested at 5 concentrations (O, 1, 5, 25 álld 100 flM a.i.) for its ability to protect papaya (Carica papaya) cv. Rainbow from black spot (Asperisporium caricae) followmg inoculation W1th the fungus. Effects of resistance induction treatrnent against black spot disease were evaluated by measuring the plant height and stem diameter. Disease symptoms were scored weekly by visually estimating disease severity of plants on the basis of a 5-class visual scale of O (no symptoms) to 4 (extensive lesions on leaves). Accumulation of defence-related proteins in papaya leaves were also analysed and compared. Results revealed that the leveI of protection againstA. Caricae was dose-dependent. Maximum reduction of the disease in leaves was obtained with 25-100 flM acibenzolar-S-methyl, with a time interval of 3 days between application of the activator and inoculation with the pathogen. The systemic resistance elicitation was characterized by an increase in 2 pathogenesis-related protems, chitinase and ~-1, 3-glucanase. These results md1cate that acibenzolar-S-methyl induces partial resistance in papaya against black spot disease which may provide the grower a new option for integrated management of the disease.
650 $aAsperisporium
650 $aCarica Papaya
650 $aMamão
700 1 $aNISHIJIMA, W.
773 $tPlant Pathology Journal, 2014.
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| 1. |  | MORAIS, M. dos S.; DOMICIANO, T. A. de O.; MIRANDA, A. S.; MORAIS, E. de; PASSOS, L. T.; NERES, L. de S.; LIMA, S. C. G. de; NAHUM, B. S.; SILVA, A. G. M. e; LOURENÇO JUNIOR, J. de B. Produção de leite e consumo de concentrado em búfalas lactantes suplementadas com concentrado à base de torta de cupuaçu (Theobroma grandiflorum) e torta de murumuru (Astrocaryum murumuru). In: CONGRESSO BRASILEIRO DE BUIATRIA, 10.; SEMANA DO MÉDICO VETERINÁRIO DO PARÁ, 37.; SIMPÓSIO PARAENSE DE MEDICINA VETERINÁRIA, 5., 2013, Belém, PA. Anais... Belém, PA: Associação Brasileira de Buiatria, 2013. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
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