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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
04/06/1998 |
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Data da última atualização: |
20/07/2010 |
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Autoria: |
ZHANG, X. P.; RHODES, B. B.; BAIRD, W. V. |
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Título: |
Development of genic male-sterile watermelon lines with delayed-green seedling marker. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
HortScience, v.31, n.1, p.123-126, 1996. |
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Idioma: |
Inglês |
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Conteúdo: |
Hybrid seed production can be facilitated by using male sterility coupled with a seedling marker. This research was initiated to combine the ms male sterility and dg delayed-green seedling marker into watermelon [Citrullus lanatus (Thunb.) Matsum & Nakai] lines. Male-sterile plants of the male-sterile line GI74B were crossed with plants of delayed green breeding line Pale90, which has yellow cotyledons and pale-green, newly developed, true leaves. The double-recessive recombinants, male sterile and delayed green, from the F2 population were backcrossed to the male-fertile plants of GI7AB. The pedigree method was used for selection in the progenies. The segregation ratios obtained from F2 and BC1F2 populations suggest that the male-sterile and delayed-green traits are inherited independently and that delayed green is inherited as a single recessive nuclear gene. Two male-sterile watermelon lines with delayed-green seedling marker have been developed. These lines will provide a convenient way to introduce male sterility and the delayed-green seedling marker into various genetic backgrounds. These two lines can be used for testing the efficiency of a new, hybrid, watermelon, seed production system. |
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Palavras-Chave: |
Backcross; Hybrid; Seed production. |
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Thesagro: |
Citrullus Lanatus; Germoplasma; Melão; Melhoramento; Produção; Semente. |
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Thesaurus Nal: |
breeding; germplasm; pedigree. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01944naa a2200289 a 4500
001 1054889
005 2010-07-20
008 1996 bl --- 0-- u #d
100 1 $aZHANG, X. P.
245 $aDevelopment of genic male-sterile watermelon lines with delayed-green seedling marker.
260 $c1996
520 $aHybrid seed production can be facilitated by using male sterility coupled with a seedling marker. This research was initiated to combine the ms male sterility and dg delayed-green seedling marker into watermelon [Citrullus lanatus (Thunb.) Matsum & Nakai] lines. Male-sterile plants of the male-sterile line GI74B were crossed with plants of delayed green breeding line Pale90, which has yellow cotyledons and pale-green, newly developed, true leaves. The double-recessive recombinants, male sterile and delayed green, from the F2 population were backcrossed to the male-fertile plants of GI7AB. The pedigree method was used for selection in the progenies. The segregation ratios obtained from F2 and BC1F2 populations suggest that the male-sterile and delayed-green traits are inherited independently and that delayed green is inherited as a single recessive nuclear gene. Two male-sterile watermelon lines with delayed-green seedling marker have been developed. These lines will provide a convenient way to introduce male sterility and the delayed-green seedling marker into various genetic backgrounds. These two lines can be used for testing the efficiency of a new, hybrid, watermelon, seed production system.
650 $abreeding
650 $agermplasm
650 $apedigree
650 $aCitrullus Lanatus
650 $aGermoplasma
650 $aMelão
650 $aMelhoramento
650 $aProdução
650 $aSemente
653 $aBackcross
653 $aHybrid
653 $aSeed production
700 1 $aRHODES, B. B.
700 1 $aBAIRD, W. V.
773 $tHortScience$gv.31, n.1, p.123-126, 1996.
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Embrapa Meio-Norte (CPAMN) |
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