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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
18/08/2005 |
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Data da última atualização: |
06/10/2005 |
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Autoria: |
MOURA, M. F.; PINHEIRO, J. B.; MORAIS, L. K. de; MOURA, N. F.; AGUIAR, A. V.; CHAVES, L. J.; VENCOVSKY, R.; ZUCCHI, M. I. |
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Título: |
Interaction genotypes x sowing periods in experimental F9:2 soybean lines. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 4, n. 4, p. 452-458, Dec. 2004. |
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Idioma: |
Inglês |
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Conteúdo: |
The magnitude of G x S interaction was measured by different biometric techniques to draw inferences on improvement strategies for soyabean. Twenty-five highly homozygotic (F9:2) soyabean lines were evaluated in three sowing periods (11 September, 21 October, and 12 November 1998) in Goias, Brazil. The controls IAC-100, OCEPAR-4, MTBR-45, and EMGOPA-313 were used. Number of days to flowering and to maturity, grain filling period, stained seeds, weight of a hundred seeds and the grain yield (GY) were evaluated. The complex part was predominant in the partition of this interaction. In relation to the selection gain for GY, a mean reduction of 10% is expected in comparison to a selection realized in period 2 only with specific selections per period, admitting a selection intensity of 40%. A reduction of 28% is expected under a selection intensity of 20%. The selection of more generalist genotypes is possible, although it leads to losses in mean terms.
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Palavras-Chave: |
Juvenile period; Período juvenil; Produtividade de grãos; Resistance to insects; Resistência a insetos. |
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Thesagro: |
Glycine Max; Soja. |
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Thesaurus Nal: |
grain yield. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01821naa a2200301 a 4500
001 1213562
005 2005-10-06
008 2004 bl uuuu u00u1 u #d
100 1 $aMOURA, M. F.
245 $aInteraction genotypes x sowing periods in experimental F9$b2 soybean lines.
260 $c2004
520 $aThe magnitude of G x S interaction was measured by different biometric techniques to draw inferences on improvement strategies for soyabean. Twenty-five highly homozygotic (F9:2) soyabean lines were evaluated in three sowing periods (11 September, 21 October, and 12 November 1998) in Goias, Brazil. The controls IAC-100, OCEPAR-4, MTBR-45, and EMGOPA-313 were used. Number of days to flowering and to maturity, grain filling period, stained seeds, weight of a hundred seeds and the grain yield (GY) were evaluated. The complex part was predominant in the partition of this interaction. In relation to the selection gain for GY, a mean reduction of 10% is expected in comparison to a selection realized in period 2 only with specific selections per period, admitting a selection intensity of 40%. A reduction of 28% is expected under a selection intensity of 20%. The selection of more generalist genotypes is possible, although it leads to losses in mean terms.
650 $agrain yield
650 $aGlycine Max
650 $aSoja
653 $aJuvenile period
653 $aPeríodo juvenil
653 $aProdutividade de grãos
653 $aResistance to insects
653 $aResistência a insetos
700 1 $aPINHEIRO, J. B.
700 1 $aMORAIS, L. K. de
700 1 $aMOURA, N. F.
700 1 $aAGUIAR, A. V.
700 1 $aCHAVES, L. J.
700 1 $aVENCOVSKY, R.
700 1 $aZUCCHI, M. I.
773 $tCrop Breeding and Applied Biotechnology, Viçosa, MG$gv. 4, n. 4, p. 452-458, Dec. 2004.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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| 1. |  | PORTO FILHO, F. de Q.; SOUSA, P. S. de S.; MEDEIROS, J. F. de; MESQUITA, T. de O.; OLIVEIRA, C. J. da S.; FIGUEIREDO, V. B.; DIAS, J. M. Componentes de rendimento da mamoneira irrigada com diferentes lâminas de irrigação. In: CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 18., 2008, São Mateus. O equilíbrio do fluxo hídrico para um agricultura irrigada sustentável: anais. São Mateus: ABID, 2008. 5 p. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
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