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Natural selection in common bean microsatellite alleles and identification of QTLs for grain yield Electron. J. Biotechnol.
Leite,Monik Evelin; Santos,João Bosco dos; Carneiro,Flávia Fernandes; Couto,Karla Rodrigues.
Natural selection acts to select better adapted individuals or alleles in segregating population and help plant breeding. The objective of this work was to verify the effect of natural selection on microsatellite alleles as indicators of better adaptation and identification of quantitative trait loci (QTLs) for grain yield. This study evaluated 107 progenies from the F8 and 107 from the F24 generation derived from crossing Carioca MG and ESAL 686 lines, carried out by the bulk method, and evaluated in three different seasons: winter 2001; rainy 2001 and dry 2002. It was utilized 22 polymorphic markers and the natural selection acted in all of them. The frequency of the alleles of the parent Carioca MG, the most adapted, was increased in all of the 22 loci...
Tipo: Journal article Palavras-chave: Bulk method; Fitness coefficient; Phaseolus vulgaris; SSR markers.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000100005
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