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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
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
08/12/1997 |
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Data da última atualização: |
08/12/1997 |
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Autoria: |
SPEHAR, C. R.; GALWEY, N. W. |
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Título: |
Screening soya beans [Glycine max (L.) Merrill] for calcium efficiency by root growth in low-Ca nutrient solution. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Euphytica, Dordrecht, v.94, p.113-117, 1997. |
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Idioma: |
Inglês |
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Conteúdo: |
There are severe soil constraints for agriculture in many tropical regions of the world. Acidity and low levels of calcium are examples of them in the Brazilian Cerrados (Savannahs). They may prevent deep root growth of cultivated plants, exposing them to moisture stress during dry spells. This study aimed to develop a technique for screening soya beans varieties tolerant to low calcium based on root growth in nutrient solution. The results have shown varietal differences for tolerance to low-Ca stress. The method of screening for response to low-Ca is quick, non-destructive and can be employed in genetic studies and breeding programmes for efficient calcium utilisation by soya beans. It is expected that improved varieties for this character will lead to yield stability and contribute to develop sustainable farming systems in the savannahs. |
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Palavras-Chave: |
Efficiency; Eficiencia. |
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Thesagro: |
Cálcio; Cerrado; Glycine Max; Soja; Variação Genética. |
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Thesaurus NAL: |
calcium; genetic variation; soybeans. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01535naa a2200253 a 4500
001 1553333
005 1997-12-08
008 1997 bl --- 0-- u #d
100 1 $aSPEHAR, C. R.
245 $aScreening soya beans [Glycine max (L.) Merrill] for calcium efficiency by root growth in low-Ca nutrient solution.
260 $c1997
520 $aThere are severe soil constraints for agriculture in many tropical regions of the world. Acidity and low levels of calcium are examples of them in the Brazilian Cerrados (Savannahs). They may prevent deep root growth of cultivated plants, exposing them to moisture stress during dry spells. This study aimed to develop a technique for screening soya beans varieties tolerant to low calcium based on root growth in nutrient solution. The results have shown varietal differences for tolerance to low-Ca stress. The method of screening for response to low-Ca is quick, non-destructive and can be employed in genetic studies and breeding programmes for efficient calcium utilisation by soya beans. It is expected that improved varieties for this character will lead to yield stability and contribute to develop sustainable farming systems in the savannahs.
650 $acalcium
650 $agenetic variation
650 $asoybeans
650 $aCálcio
650 $aCerrado
650 $aGlycine Max
650 $aSoja
650 $aVariação Genética
653 $aEfficiency
653 $aEficiencia
700 1 $aGALWEY, N. W.
773 $tEuphytica, Dordrecht$gv.94, p.113-117, 1997.
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