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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: |
14/01/2008 |
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Data da última atualização: |
29/08/2023 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
OLIVEIRA, A. A. R.; NISHIJIMA, W.; ZHU, Y. J. |
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Afiliação: |
Antônio Alberto Rocha Oliveira, CNPMF; W. Nishijima, UHM; Y. J. Zhu, HARC. |
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Título: |
Induction of resistance in papaya against Asperisporium caricae by benzothiadiazole (BTH). |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, DF, v. 32, p. 268-269, ago. 2007. Suplemento. |
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Idioma: |
Inglês |
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Notas: |
Edição dos Resumos do XL Congresso Brasiliero de Fitopatologia, Maringá, ago. 2007. |
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Conteúdo: |
Benzo-(1,2,3)-thiazole-7-carbothioic acid S-methyl ester (BHT), a synthetic chemical, was tested at various concentrations for its ability to protect papaya (Carica papaya cv. Rainbow) from black spot following inoculation with Asperisporium caricae. Results obtained with BHT revealed that the level of protection was dose-dependent. No inhibition of the pathogen development was caused by concentrations equal to or lower than 5 uM bht. Maximum reduction of the disease in leaves was obtained with 25-100 uM BHT, with a time interval of 7 days between application of the activator and inoculation with the patogen. In all cases, systemic resistance elicitation was marked by an increase in 2 pathogenesis-related proteins, chitinase and B-1-3-glucanase. By the end of the experiment, plants sprayed with 25 and 100 uM BHT had a significantly greater plant height and stem diameter than controls and seedlings treat with up to 5 uM BHT. These concentrations were not phytoxic suggesting that plant defence activators have potencial for control of black spot disease disease in the field. |
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Thesagro: |
Carica Papaya; Doença de Planta; Fruta Tropical; Mamão. |
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Categoria do assunto: |
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Marc: |
LEADER 01775nam a2200193 a 4500
001 1655110
005 2023-08-29
008 2007 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, A. A. R.
245 $aInduction of resistance in papaya against Asperisporium caricae by benzothiadiazole (BTH).$h[electronic resource]
260 $aFitopatologia Brasileira, Brasília, DF, v. 32, p. 268-269, ago. 2007. Suplemento.$c2007
500 $aEdição dos Resumos do XL Congresso Brasiliero de Fitopatologia, Maringá, ago. 2007.
520 $aBenzo-(1,2,3)-thiazole-7-carbothioic acid S-methyl ester (BHT), a synthetic chemical, was tested at various concentrations for its ability to protect papaya (Carica papaya cv. Rainbow) from black spot following inoculation with Asperisporium caricae. Results obtained with BHT revealed that the level of protection was dose-dependent. No inhibition of the pathogen development was caused by concentrations equal to or lower than 5 uM bht. Maximum reduction of the disease in leaves was obtained with 25-100 uM BHT, with a time interval of 7 days between application of the activator and inoculation with the patogen. In all cases, systemic resistance elicitation was marked by an increase in 2 pathogenesis-related proteins, chitinase and B-1-3-glucanase. By the end of the experiment, plants sprayed with 25 and 100 uM BHT had a significantly greater plant height and stem diameter than controls and seedlings treat with up to 5 uM BHT. These concentrations were not phytoxic suggesting that plant defence activators have potencial for control of black spot disease disease in the field.
650 $aCarica Papaya
650 $aDoença de Planta
650 $aFruta Tropical
650 $aMamão
700 1 $aNISHIJIMA, W.
700 1 $aZHU, Y. J.
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| 2. |  | BRUNES, A. P.; OLIVEIRA, S. de; LEMES, E. S.; MENDONÇA, A. O. de; DIAS, L. W.; AGOSTINETTO, D.; FARIAS, C. R. J. Fungos fitopatogênico para biocontrole de Sagittaria montevidensis e seletividade para a cultura do arroz irrigado. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 50, n. 10, p. 886-894, out. 2015. Titulo em inglês: Pathogenic fungi for biocontrol of Sagittaria montevidensis and selectivity for irrigated rice crop.| Biblioteca(s): Embrapa Unidades Centrais. |
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