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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
13/10/2011 |
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Data da última atualização: |
30/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SENETE, C. T.; GUIMARAES, P. E. de O.; PAES, M. C. D.; SOUZA, J. C. de. |
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Afiliação: |
CONSTANTINO TOMAS SENETE, IIAM; PAULO EVARISTO DE O GUIMARAES, CNPMS; MARIA CRISTINA DIAS PAES, CNPMS; JOÃO CÂNDIDO DE SOUZA, UFLA. |
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Título: |
Diallel analysis of maize inbred lines for carotenoids and grain yield. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Euphytica, Wageningen, v. 182, n. 3, p. 395-404, 2011. |
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DOI: |
10.1007/s10681-011-0513-z |
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Idioma: |
Inglês |
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Conteúdo: |
Vitamin A deficiency causes xerophthalmia in preschool-aged children worldwide. The objective of this study was to estimate the genetic parameters that would be useful in selecting parent plants for developing productive hybridswith higher levels of provitamin A in the maize kernel. A complete 7 9 7 diallel mating scheme was used to generate 21 single-cross hybrids. The F1 crosses and check hybrids were evaluated in complete block design across three different Brazilian environments, and carotenoid content was analyzed by high performance liquid chromatography. General combining ability effects were significant for all traits except a-carotene This result indicates that the contribution of the additive effect was more important for provitamin A and other carotenoids and, consequently that there is high chance of improving this trait through recurrent selection methods. Line 3 produced the highest level of kernel provitamin A among the inbred lines evaluated and also demonstrated the potential to contribute to the development of genetic materials with a good performance for provitamin A. Inbred lines 1, 6, and 7 showed a higher concentration of favorable alleles for grain yield, and inbred lines 3 and 6 exhibited a higher concentration of favorable alleles for b-carotene. Hybrid 1 9 3 performed well in terms of provitamin A and grain yield and combination 2 9 3 was the best performer in terms of lutein content. |
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Thesagro: |
Carotenoíde; Grão; Rendimento. |
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Thesaurus NAL: |
Carotenoids; General combining ability; Grain yield; Specific combining ability. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02173naa a2200253 a 4500
001 1902976
005 2017-05-30
008 2011 bl uuuu u00u1 u #d
024 7 $a10.1007/s10681-011-0513-z$2DOI
100 1 $aSENETE, C. T.
245 $aDiallel analysis of maize inbred lines for carotenoids and grain yield.$h[electronic resource]
260 $c2011
520 $aVitamin A deficiency causes xerophthalmia in preschool-aged children worldwide. The objective of this study was to estimate the genetic parameters that would be useful in selecting parent plants for developing productive hybridswith higher levels of provitamin A in the maize kernel. A complete 7 9 7 diallel mating scheme was used to generate 21 single-cross hybrids. The F1 crosses and check hybrids were evaluated in complete block design across three different Brazilian environments, and carotenoid content was analyzed by high performance liquid chromatography. General combining ability effects were significant for all traits except a-carotene This result indicates that the contribution of the additive effect was more important for provitamin A and other carotenoids and, consequently that there is high chance of improving this trait through recurrent selection methods. Line 3 produced the highest level of kernel provitamin A among the inbred lines evaluated and also demonstrated the potential to contribute to the development of genetic materials with a good performance for provitamin A. Inbred lines 1, 6, and 7 showed a higher concentration of favorable alleles for grain yield, and inbred lines 3 and 6 exhibited a higher concentration of favorable alleles for b-carotene. Hybrid 1 9 3 performed well in terms of provitamin A and grain yield and combination 2 9 3 was the best performer in terms of lutein content.
650 $aCarotenoids
650 $aGeneral combining ability
650 $aGrain yield
650 $aSpecific combining ability
650 $aCarotenoíde
650 $aGrão
650 $aRendimento
700 1 $aGUIMARAES, P. E. de O.
700 1 $aPAES, M. C. D.
700 1 $aSOUZA, J. C. de
773 $tEuphytica, Wageningen$gv. 182, n. 3, p. 395-404, 2011.
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