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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
24/05/1996 |
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Data da última atualização: |
24/05/1996 |
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Autoria: |
SPEHAR, C. R. |
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Título: |
Screening soybean germplasm for aluminium tolerance using cluster analysis. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.29, n.1, p.113-122, 1994. |
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Idioma: |
Inglês |
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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. |
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Palavras-Chave: |
Adaptacao; Adaptation; Aluminium; Selection; Tolerance; Tolerancia. |
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Thesagro: |
Alumínio; Análise Estatística; Cerrado; Glycine Max; Melhoramento Genético Vegetal; Seleção Genética; Soja. |
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Thesaurus NAL: |
genetics; plant breeding; soybeans; statistical analysis. |
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Categoria do assunto: |
-- |
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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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