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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com rosangela.lacerda@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
06/08/2012 |
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Data da última atualização: |
28/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FRANZONI, J.; SCAPIM, C. A.; BEVILÁQUA, M. R. R.; MACHADO, M. de F. P. da S.; PACHECO, C. A. P.; MANGOLIN, C. A. |
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Afiliação: |
CLESO ANTONIO PATTO PACHECO, CNPMS. |
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Título: |
Application of microsatellite markers to evaluate the heterozygosity from the popcorn composite CMS-43 (Zea mays L.) during eight cycles of selection. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Plant Breeding, Berlin, v. 131, n. 4, p. 479-485, 2012. |
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DOI: |
10.1111/j.1439-0523.2012.01981.x |
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Idioma: |
Inglês |
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Conteúdo: |
Maize breeders in Brazil developed the popcorn cultivar BRS Angela after eight cycles of recurrent selection using the composite CMS-43. We extracted the genomic DNA from the leaves of the BRS Angela,and we used 20 microsatellite markers to assess both the genetic distance and variability of this variety along the eight cycles (C0, CI, CII, CIII, CIV, CV, CVIA and CVIB) of the composite CMS-43. Sixty-nine alleles were detected in the popcorn cultivar BRS Angela with an average of 3.45 alleles per polymorphic locus. There was significant effect (P £ 0.01) only for D allele at the Umc 2343 locus and for the alleles A and B at the Umc 2226 locus. There was no tendency in the changes in the allele frequencies, presumably, because of selection for grain yield and popping expansion. The observed heterozygosity along these cycles ranged from 38.67% (CIII) to 26.67% (CVIB). These values indicate the presence of heterozygosity in the breeding cycles, and therefore, the "BRS Angela" can participate in new cycles of recurrent selection. |
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Palavras-Chave: |
Genetic diversity; Recurrent selection cycles. |
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Thesagro: |
Zea Mays. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 01825naa a2200229 a 4500
001 1930517
005 2018-05-28
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1439-0523.2012.01981.x$2DOI
100 1 $aFRANZONI, J.
245 $aApplication of microsatellite markers to evaluate the heterozygosity from the popcorn composite CMS-43 (Zea mays L.) during eight cycles of selection.$h[electronic resource]
260 $c2012
520 $aMaize breeders in Brazil developed the popcorn cultivar BRS Angela after eight cycles of recurrent selection using the composite CMS-43. We extracted the genomic DNA from the leaves of the BRS Angela,and we used 20 microsatellite markers to assess both the genetic distance and variability of this variety along the eight cycles (C0, CI, CII, CIII, CIV, CV, CVIA and CVIB) of the composite CMS-43. Sixty-nine alleles were detected in the popcorn cultivar BRS Angela with an average of 3.45 alleles per polymorphic locus. There was significant effect (P £ 0.01) only for D allele at the Umc 2343 locus and for the alleles A and B at the Umc 2226 locus. There was no tendency in the changes in the allele frequencies, presumably, because of selection for grain yield and popping expansion. The observed heterozygosity along these cycles ranged from 38.67% (CIII) to 26.67% (CVIB). These values indicate the presence of heterozygosity in the breeding cycles, and therefore, the "BRS Angela" can participate in new cycles of recurrent selection.
650 $aZea Mays
653 $aGenetic diversity
653 $aRecurrent selection cycles
700 1 $aSCAPIM, C. A.
700 1 $aBEVILÁQUA, M. R. R.
700 1 $aMACHADO, M. de F. P. da S.
700 1 $aPACHECO, C. A. P.
700 1 $aMANGOLIN, C. A.
773 $tPlant Breeding, Berlin$gv. 131, n. 4, p. 479-485, 2012.
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Embrapa Milho e Sorgo (CNPMS) |
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