| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Arroz e Feijão. |
|
Data corrente: |
05/10/2004 |
|
Data da última atualização: |
14/10/2004 |
|
Autoria: |
REIS, E. F. dos; REIS, M. S.; CRUZ, C. D.; SEDIYAMA, T.; TEIXEIRA, R. de C. |
|
Título: |
Predicted and realized gains of different selection strategies in soybean populations: a comparative study. |
|
Ano de publicação: |
2002 |
|
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 2, n. 1, p. 61-69, Mar. 2002. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Genetic gains from selection on yield were predicted in three soybean populations using original data and data corrected by the variation in agronomic traits of check cultivars. Predicted gains were compared to realized gains after correction for agricultural season effects - caused by environmental differences during the prediction and checking growing seasons - to indicate the best selection strategy and check the influence on yield of selection on the other traits assessed in the field. Individual selection, selection among and within families and combined selected were used for grain yield alone and for simultaneous selection on grain yield, plant height and number or days to maturity traits. Selection was made on F5 generation platns grown in an experimental field in Viçosa, Minas Gerais State during the 1997/98 agricultural season. The experiment used intercalated check cultivars. The results indicated lower within family heriitabilities compared to the other types. Little variation was detected in gain prediction due to data correction. At field level, simultaneous selection performed better for grain yield improvement. Simultaneous gains for number of pods per plant, number of seeds per pod and mean weight of one seed, which arfe primary yield components, were obtained only when selection for the three components was balanced. |
|
Palavras-Chave: |
Gain from selection; Melhoramento genético. |
|
Thesagro: |
Glycine Max; População; Seleção; Soja. |
|
Thesaurus Nal: |
heritability. |
|
Categoria do assunto: |
-- |
|
Marc: |
LEADER 02101naa a2200253 a 4500
001 1212528
005 2004-10-14
008 2002 bl uuuu u00u1 u #d
100 1 $aREIS, E. F. dos
245 $aPredicted and realized gains of different selection strategies in soybean populations$ba comparative study.
260 $c2002
520 $aGenetic gains from selection on yield were predicted in three soybean populations using original data and data corrected by the variation in agronomic traits of check cultivars. Predicted gains were compared to realized gains after correction for agricultural season effects - caused by environmental differences during the prediction and checking growing seasons - to indicate the best selection strategy and check the influence on yield of selection on the other traits assessed in the field. Individual selection, selection among and within families and combined selected were used for grain yield alone and for simultaneous selection on grain yield, plant height and number or days to maturity traits. Selection was made on F5 generation platns grown in an experimental field in Viçosa, Minas Gerais State during the 1997/98 agricultural season. The experiment used intercalated check cultivars. The results indicated lower within family heriitabilities compared to the other types. Little variation was detected in gain prediction due to data correction. At field level, simultaneous selection performed better for grain yield improvement. Simultaneous gains for number of pods per plant, number of seeds per pod and mean weight of one seed, which arfe primary yield components, were obtained only when selection for the three components was balanced.
650 $aheritability
650 $aGlycine Max
650 $aPopulação
650 $aSeleção
650 $aSoja
653 $aGain from selection
653 $aMelhoramento genético
700 1 $aREIS, M. S.
700 1 $aCRUZ, C. D.
700 1 $aSEDIYAMA, T.
700 1 $aTEIXEIRA, R. de C.
773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 2, n. 1, p. 61-69, Mar. 2002.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 1 | |
| 1. |  | SEDIYAMA, T.; GOMES, J. L. P.; TEIXEIRA, R. de C.; ROCHA, V. S.; SEDIYAMA, C. S.; REIS, M. S.; DUTRA, J. H.; ARANTES, N. E.; YAMANAKA, C. H.; ANDRADE, M. A. S.; BRITO, S. A. de; VILARINHO, F. M. A. 'Capinopolis' ('UFV-16'): comportamento em Minas Gerais. Capinopolis: CEPET / UFV, 1995. 1 folder.| Tipo: Folder/Folheto/Cartilha |
| Biblioteca(s): Embrapa Soja. |
|    |
| Registros recuperados : 1 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
