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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
12/04/1999 |
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Data da última atualização: |
12/04/1999 |
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Autoria: |
TUINSTRA, M. R.; GROTE, E. M.; GOLDSBROUGH, P. B.; EJETA, G. |
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Título: |
Identification of quantitative trait loci associated with pre-flowering drought tolerance in sorghum |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Published in crop Sci. v.36, p.1337-1344, 1996 |
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Idioma: |
Inglês |
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Conteúdo: |
Drought tolerance is an important agronomic trait but the genetic and physiological mechanisms that condition its expression are poorly understood. Molecular genetics and quantitative trait loci analysis provide a new and powerful approach to understand better the inheritance and expression of this trait. The purpose of this study was to use molecular markers to identify genetic loci associated with the expression of pre-flowering drought tolerance in sorghum [Sorghum bicolor (L.) Moench]. Two genotypes with contrasting drought reactions, TX7078 (pre-flowering tolerant, post-flowering, susceptible) and B35 (pre-flowering susceptible, post-flowering tolerant), were selected as parents for a sample of recombinant inbred (RI) lines. Ninety-eight RI lines were evaluated in two different years under conditions of pre-flowering drought and full irrigation. |
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Palavras-Chave: |
Estresse hidrico; Ploruering; QTL; QTL reflorescimento; RAPD; RFLP; Sorahum; Tolerance. |
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Thesagro: |
Sorgo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01555naa a2200265 a 4500
001 1648087
005 1999-04-12
008 1996 bl --- 0-- u #d
100 1 $aTUINSTRA, M. R.
245 $aIdentification of quantitative trait loci associated with pre-flowering drought tolerance in sorghum
260 $c1996
520 $aDrought tolerance is an important agronomic trait but the genetic and physiological mechanisms that condition its expression are poorly understood. Molecular genetics and quantitative trait loci analysis provide a new and powerful approach to understand better the inheritance and expression of this trait. The purpose of this study was to use molecular markers to identify genetic loci associated with the expression of pre-flowering drought tolerance in sorghum [Sorghum bicolor (L.) Moench]. Two genotypes with contrasting drought reactions, TX7078 (pre-flowering tolerant, post-flowering, susceptible) and B35 (pre-flowering susceptible, post-flowering tolerant), were selected as parents for a sample of recombinant inbred (RI) lines. Ninety-eight RI lines were evaluated in two different years under conditions of pre-flowering drought and full irrigation.
650 $aSorgo
653 $aEstresse hidrico
653 $aPloruering
653 $aQTL
653 $aQTL reflorescimento
653 $aRAPD
653 $aRFLP
653 $aSorahum
653 $aTolerance
700 1 $aGROTE, E. M.
700 1 $aGOLDSBROUGH, P. B.
700 1 $aEJETA, G.
773 $tPublished in crop Sci.$gv.36, p.1337-1344, 1996
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Embrapa Mandioca e Fruticultura (CNPMF) |
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