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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
24/06/2005 |
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Data da última atualização: |
24/06/2005 |
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Autoria: |
WORDELL FILHO, J. A.; VALE, F. X. R.; PRESTES, A. M.; ZAMBOLIM, L. |
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Afiliação: |
Epagri |
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Título: |
Resistance of barley genotypes to brown leaf spot. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Euphytica, v.142, p. 217-225, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
Resistance of 59 barley cultivars to three distinct isolates of Bipolaris sorokiniana, causing brown leaf spot was tested on seedlings and adult plants in a screen hause and in a growth room, by determination of disease incidence, disease severity, and rate of lesion expansion. The disease reaction and severety at the seedling stage differed among cultivars. The cultivars MNS Brite, NDB 112, Kindred, Parkland, and Oderbrucke were moderately resistant to brown leaf spot, but the resistance was partial to all three isolates. None genotype with complete resistance was found. The cultivars CI 9539, Svanhals, and Chevron, considered as sources of resistance, were classified as moderately susceptible, and suscptible, respectible. Disease severity, desease reaction, and incidence of B. sorokiniana in grains also differed among the cultivars at the adult plant stage. Neverthleless, none of the genotypes was resistant to B. sorokiniana. The rate of lesion expansion different among cultivars BR 2, MN 698, Kitchin, Svanhals, and NDB 112, with NDB 112 having the slowest expansion rate (0.194-0.205 mm²/day). |
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Palavras-Chave: |
Barley; Cevada; Doenca de planta; Hordeum vulgare; Resistance; Sources of resistance; Variedade resistente. |
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Categoria do assunto: |
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Marc: |
LEADER 01734naa a2200241 a 4500
001 1036960
005 2005-06-24
008 2005 bl --- 0-- u #d
100 1 $aWORDELL FILHO, J. A.
245 $aResistance of barley genotypes to brown leaf spot.
260 $c2005
520 $aResistance of 59 barley cultivars to three distinct isolates of Bipolaris sorokiniana, causing brown leaf spot was tested on seedlings and adult plants in a screen hause and in a growth room, by determination of disease incidence, disease severity, and rate of lesion expansion. The disease reaction and severety at the seedling stage differed among cultivars. The cultivars MNS Brite, NDB 112, Kindred, Parkland, and Oderbrucke were moderately resistant to brown leaf spot, but the resistance was partial to all three isolates. None genotype with complete resistance was found. The cultivars CI 9539, Svanhals, and Chevron, considered as sources of resistance, were classified as moderately susceptible, and suscptible, respectible. Disease severity, desease reaction, and incidence of B. sorokiniana in grains also differed among the cultivars at the adult plant stage. Neverthleless, none of the genotypes was resistant to B. sorokiniana. The rate of lesion expansion different among cultivars BR 2, MN 698, Kitchin, Svanhals, and NDB 112, with NDB 112 having the slowest expansion rate (0.194-0.205 mm²/day).
653 $aBarley
653 $aCevada
653 $aDoenca de planta
653 $aHordeum vulgare
653 $aResistance
653 $aSources of resistance
653 $aVariedade resistente
700 1 $aVALE, F. X. R.
700 1 $aPRESTES, A. M.
700 1 $aZAMBOLIM, L.
773 $tEuphytica$gv.142, p. 217-225, 2005.
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| 1. |  | BOFF, P.; FONTES, P. C. R.; ZAMBOLIN, L.; VALE, F. X. R. do. Controle da mancha-de-estenfilio e da pinta-preta, em tomateiro conduzido pelo sistema tutorado vertical. Horticultura Brasileira, Brasilia, v. 10, n. 2, p. 92-94, nov. 1992.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: -- - -- |
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