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| Registros recuperados : 11 | |
| 11. |  | RIBEIRO, C. B.; PRADO, P. E. R. de; CAMARGOS, R. B.; CASTRO, C. E. C. de; GUEDES, F. L.; REZENDE, B. A.; BOTEGA, N.; TEIXEIRA, D. H. L.; SOUZA, J. C. de. Relações de causa e efeito em relação à contribuição dos componentes de rendimento na produtividade de grãos de milho. In: CONGRESSO BRASILEIRO DE MELHORAMENTO DE PLANTAS, 7., 2013, Uberlândia. Variedade melhorada: a força da nossa agricultura: anais. Viçosa, MG: SBMP, 2013. 4 f.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
21/09/2018 |
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Data da última atualização: |
21/09/2018 |
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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: |
REZENDE, B. A.; ABREU, A. de F. B.; RAMALHO, M. A. P.; SOUZA, E. A. de. |
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Afiliação: |
BRENO A. REZENDE, UFLA; ANGELA DE FATIMA BARBOSA ABREU, CNPAF; MAGNO ANTONIO PATTO RAMALHO, UFLA; ELAINE A. DE SOUZA, UFLA. |
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Título: |
Severity evaluation methods in common bean recurrent selection programme for resistance to angular leaf spot. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Journal of Phytopathology, v. 162, n. 10, p. 643-649, Oct. 2014. |
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ISSN: |
1439-0434 |
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DOI: |
10.1111/jph.12238 |
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Idioma: |
Inglês |
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Conteúdo: |
The objectives of this study were to identify which method and period of evaluation of angular leaf spot (ALS) of common bean, caused by the fungal pathogen Pseudocercospora griseola, allow better discrimination among common bean lines derived from seven cycles of recurrent selection for resistance to this pathogen. For that reason, 35 lines of the first seven cycles of the programme were assessed for disease severity on leaves and pods using a rating scale. For leaves, the methods used were severity in field plots (SF), severity in sampled leaflets (SS) and percentage of the sampled leaf area with symptoms (%LAS). Leaf assessments were performed at 7, 14, 21, 28, 33 and 41 days after flowering (DAF), and area under the disease progress curve (AUDPC) was calculated. On pods, severity was evaluated at 41 DAF. It was observed that the SF using a rating scale is the most efficient method for selection of resistant lines, and the best time period for evaluating the disease is around 33 DAF |
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Thesagro: |
Doença de Planta; Feijão; Mancha Angular; Melhoramento Genético Vegetal; Phaseolus Vulgaris; Resistência Genética; Seleção Recorrente. |
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Thesaurus NAL: |
Beans; Disease resistance; Leaf spot; Plant breeding; Pseudocercospora; Recurrent selection. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
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001 2096124
005 2018-09-21
008 2014 bl uuuu u00u1 u #d
022 $a1439-0434
024 7 $a10.1111/jph.12238$2DOI
100 1 $aREZENDE, B. A.
245 $aSeverity evaluation methods in common bean recurrent selection programme for resistance to angular leaf spot.$h[electronic resource]
260 $c2014
520 $aThe objectives of this study were to identify which method and period of evaluation of angular leaf spot (ALS) of common bean, caused by the fungal pathogen Pseudocercospora griseola, allow better discrimination among common bean lines derived from seven cycles of recurrent selection for resistance to this pathogen. For that reason, 35 lines of the first seven cycles of the programme were assessed for disease severity on leaves and pods using a rating scale. For leaves, the methods used were severity in field plots (SF), severity in sampled leaflets (SS) and percentage of the sampled leaf area with symptoms (%LAS). Leaf assessments were performed at 7, 14, 21, 28, 33 and 41 days after flowering (DAF), and area under the disease progress curve (AUDPC) was calculated. On pods, severity was evaluated at 41 DAF. It was observed that the SF using a rating scale is the most efficient method for selection of resistant lines, and the best time period for evaluating the disease is around 33 DAF
650 $aBeans
650 $aDisease resistance
650 $aLeaf spot
650 $aPlant breeding
650 $aPseudocercospora
650 $aRecurrent selection
650 $aDoença de Planta
650 $aFeijão
650 $aMancha Angular
650 $aMelhoramento Genético Vegetal
650 $aPhaseolus Vulgaris
650 $aResistência Genética
650 $aSeleção Recorrente
700 1 $aABREU, A. de F. B.
700 1 $aRAMALHO, M. A. P.
700 1 $aSOUZA, E. A. de
773 $tJournal of Phytopathology$gv. 162, n. 10, p. 643-649, Oct. 2014.
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Embrapa Arroz e Feijão (CNPAF) |
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