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Registros recuperados : 227 | |
Registros recuperados : 227 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
24/05/1996 |
Data da última atualização: |
24/05/1996 |
Autoria: |
SPEHAR, C. R. |
Título: |
Screening soybean germplasm for aluminium tolerance using cluster analysis. |
Ano de publicação: |
1994 |
Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.29, n.1, p.113-122, 1994. |
Idioma: |
Inglês |
Conteúdo: |
Principal component and cluster analyses were carried out to assess diversity on soybean germplasm selected to cultivation in the Brazilian Savannas (cerrados). The results indicated that aluminium tolerance was attained in the breeding material which showed variability when tested in the high-Al environment. The ample tolerance may have been a consequence of breeding and selecting soybeans in improved soils that were still Al-rich in deeper layers, although the varieties were homogeneous for agronomic characters, as shown by the analysis of data from the low-Al environment. This method can be successfully employed in genetic studies and in breeding programmes for crop improvement when parents of different clusters are chosen for crossing. |
Palavras-Chave: |
Adaptacao; Adaptation; Aluminium; Selection; Tolerance; Tolerancia. |
Thesagro: |
Alumínio; Análise Estatística; Cerrado; Glycine Max; Melhoramento Genético Vegetal; Seleção Genética; Soja. |
Thesaurus NAL: |
genetics; plant breeding; soybeans; statistical analysis. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01615naa a2200325 a 4500 001 1551683 005 1996-05-24 008 1994 bl --- 0-- u #d 100 1 $aSPEHAR, C. R. 245 $aScreening soybean germplasm for aluminium tolerance using cluster analysis. 260 $c1994 520 $aPrincipal component and cluster analyses were carried out to assess diversity on soybean germplasm selected to cultivation in the Brazilian Savannas (cerrados). The results indicated that aluminium tolerance was attained in the breeding material which showed variability when tested in the high-Al environment. The ample tolerance may have been a consequence of breeding and selecting soybeans in improved soils that were still Al-rich in deeper layers, although the varieties were homogeneous for agronomic characters, as shown by the analysis of data from the low-Al environment. This method can be successfully employed in genetic studies and in breeding programmes for crop improvement when parents of different clusters are chosen for crossing. 650 $agenetics 650 $aplant breeding 650 $asoybeans 650 $astatistical analysis 650 $aAlumínio 650 $aAnálise Estatística 650 $aCerrado 650 $aGlycine Max 650 $aMelhoramento Genético Vegetal 650 $aSeleção Genética 650 $aSoja 653 $aAdaptacao 653 $aAdaptation 653 $aAluminium 653 $aSelection 653 $aTolerance 653 $aTolerancia 773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.29, n.1, p.113-122, 1994.
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