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Quantitative trait loci associated with resistance to gray leaf spot and grain yield in corn Ciência e Agrotecnologia
Veiga,Adriano Delly; Pinho,Renzo Garcia Von; Resende,Luciane Vilela; Pinho,Édila Vilela de Resende Von; Balestre,Márcio; Pereira,Laís Andrade.
The main objectives of hybrid development programs include incorporating genetic resistance to diseases and increasing grain yield. Identification of Quantitative Trait Loci (QTL) through the statistical analysis of molecular markers allows efficient selection of resistant and productive hybrids. The objective of this research was to identify QTL associated with resistance to gray leaf spot and for grain yield in the germplasm of tropical corn. We used two strains with different degrees of reaction to the disease; the genotypes are owned by GENESEEDS Ltda, their F1 hybrid and the F2 population. The plants were evaluated for gray leaf spot resistance, for grain yield and were genotyped with 94 microsatellite markers. Association of the markers with the QTL...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Maximum likelihood; Microsatellites; Regression.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000100004
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