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| Registros recuperados : 243 | |
| 121. |  | REISDORFF, C.; LIEBREI, R.; GASPAROTTO, L.; ARAUJO, R. C.; MORAES, C. R. A. The development of cupuacu plants (Theobroma grandiflorum Willd. ex Spreng Schum.) in different mixed cultivation system and the effect of topographic features. In: LIEBEREI, R.; BIANCHI, H.; VOB, K., ed. Proceedings of the third SHIFT-Workshop, Manaus march 15-19, 1998. Bonn: Bundesministerium fur Bildung und Forschung, 1998. p.329-339.| Biblioteca(s): Embrapa Florestas. |
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| 125. | | MENDONCA, R. C. S.; TEIXEIRA, M. A.; MORAES, C. A.; PEREIRA, A. S.; SIQUEIRA, R. S. Efeito da ativacao da cultura latica sobre o crescimento de staphylococcus aureus em salame tipo italiano. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 17.; SIMPOSIO NACIONAL DE FERMENTACAO, 10.; ENCONTRO NACIONAL DE MICROBIOLOGIA AMBIENTAL,4.; SIMPOSIO BRASILEIRO DE MICROBACTERIAS, 5.; SIMPOSIO ESPECIAL SOBRE COLERA, 1993, Santos.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 131. | | JESUS, V. S de; MORAES, C. F de; TELES, F. F. F.; SEDIYAMA, C. S. Teor de acido ciandrico nas folhas e raizes de dez variedades de mandioca manihot esculenta Crantz, durante o primeiro ciclo. Revista Brasileira de Mandioca, v.5, n.2, p.83-90, Cruz das Almas, 1986.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 132. | | JESUS, V. S de; MORAES, C. F. de; TELES, F. F. F.; SEDIYAMA, C. S. Teor de carboidrato em raizes e caules de dez variedades de mandioca (Manihot esculenta Crantz), durante o primeiro ciclo. Revista Brasileira de Mandioca, v.5, n.2, p.91-98, Cruz das Almas, 1986.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 135. | | DAHER, R. F.; MORAES, C. F. de; CRUZ, C. D.; PEREIRA, A. V.; XAVIER, D. F. Selecao de caracteres morfologicos discriminantes em capim elefante (Pennisetum purpureum Schum.). Revista Brasileira de Zootecnia, Vicosa, v.26, n.2, p.247-254, 1997.| Biblioteca(s): Embrapa Gado de Leite. |
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| 139. | | MORAES, C. L.; MARINI, P.; FERNANDO, J. A.; MORAES, D. M. de; CASTRO, L. A. S. de; LOPES, N. F. Alterações fi siológicas e ultraestruturais de plântulas de tomate induzidas por chumbo. Iheringia Série Botânica, Porto Alegre, v. 69, n. 2, p. 313-322, dez. 2014.| Biblioteca(s): Embrapa Clima Temperado. |
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| 140. | | PILLON, C. N.; SCIVITTARO, W. B.; POTES, M. da L.; MORAES, C. da S.; MICHELS, G. H.; PEREIRA, J. S. Acúmulo de carbono orgânico por sistemas de cultura sob plantio direto em terras baixas. CONGRESSO BRASILEIRO DE AGROECOLOGIA, 2.; SEMINÁRIO INTERNACIONAL SOBRE AGROECOLOGIA, 5.; SEMINÁRIO ESTADUAL SOBRE AGROECOLOGIA, 6., 2004, Porto Alegre. Agrobiodiversidade: base para sociedades sustentáveis: anais... Porto Alegre: EMATER - RS, 2004. 1 CD-ROM| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 243 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
08/02/2008 |
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Data da última atualização: |
16/08/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
DITA, M. A.; BROMMONSCHENKEL, S. H.; MATSUOKA, K.; MIZUBUTI, E. S. G. |
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Afiliação: |
Miguel Angel Dita, CNPMF; S. H. Brommonschekel, UFV; K. Matsuoka, UFV; E. S. G. Mizubuti, UFV. |
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Título: |
Histopathological study of the Alternaria solani infection process in potato cultivars with different levels of early blight resistance. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Journal Phytopathology, Berlin, n. 155, p. 462-469, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
Histopathological analyses of the infection process of Alternaria solani were accomplished in three potato cultivars with different levels of early blight resistance. Leaflets of Aracy (resistant), Delta (moderately resistant) and Bintje (susceptible) cultivars were inoculated at the beginning of the flowering stage. In order to study the effect of leaf age, leaf samples were collected separately, in the lower, middle and upper third of the plants. Conidia germination, appressoria formation, penetration and number of penetration sites exhibiting hypersensitive response (HR) were qualitatively and quantitatively assessed at 6, 12, 24, 48 and 72 h after inoculation. Penetration occurred most frequently through the junctions of the epidermal cells. Penetrations through stomata were rarely observed. There was no association between the events and the resistance levels, except for the number of penetration sites showing HR that was highest in Aracy, intermediate in Delta and lowest in Bintje. Similarly, the number of sites with HR was the only event associated with the leaf age. Regardless of cultivar resistance levels, the number of the penetration sites with HR was higher in leaves in the upper part of the plant. These results suggest that HR may be one of the mechanisms associated with age-related and genetic resistance to early blight in potato. |
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Palavras-Chave: |
Disease. |
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Thesaurus NAL: |
histopathology. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/654595/1/Alternaria-solani-infection-process-in-potato.pdf
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|
Marc: |
LEADER 01940naa a2200181 a 4500
001 1654595
005 2022-08-16
008 2007 bl uuuu u00u1 u #d
100 1 $aDITA, M. A.
245 $aHistopathological study of the Alternaria solani infection process in potato cultivars with different levels of early blight resistance.
260 $c2007
520 $aHistopathological analyses of the infection process of Alternaria solani were accomplished in three potato cultivars with different levels of early blight resistance. Leaflets of Aracy (resistant), Delta (moderately resistant) and Bintje (susceptible) cultivars were inoculated at the beginning of the flowering stage. In order to study the effect of leaf age, leaf samples were collected separately, in the lower, middle and upper third of the plants. Conidia germination, appressoria formation, penetration and number of penetration sites exhibiting hypersensitive response (HR) were qualitatively and quantitatively assessed at 6, 12, 24, 48 and 72 h after inoculation. Penetration occurred most frequently through the junctions of the epidermal cells. Penetrations through stomata were rarely observed. There was no association between the events and the resistance levels, except for the number of penetration sites showing HR that was highest in Aracy, intermediate in Delta and lowest in Bintje. Similarly, the number of sites with HR was the only event associated with the leaf age. Regardless of cultivar resistance levels, the number of the penetration sites with HR was higher in leaves in the upper part of the plant. These results suggest that HR may be one of the mechanisms associated with age-related and genetic resistance to early blight in potato.
650 $ahistopathology
653 $aDisease
700 1 $aBROMMONSCHENKEL, S. H.
700 1 $aMATSUOKA, K.
700 1 $aMIZUBUTI, E. S. G.
773 $tJournal Phytopathology, Berlin$gn. 155, p. 462-469, 2007.
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