A.F.B. Abreu
Genetic control of number of flowers and pod set in common bean
This article aimed to study the genetic control of some flowers and pod set of common bean and to verify if its estimate varies with environmental conditions and gene pool. A complete diallel was used among six lines, but no reciprocal ones. The treatments were evaluated in three harvests/generations - F2, F3, and F4 - in 2015/2016, in a randomized complete block de.. Read More»
Genet. Mol. Res. 16(3): gmr16039723
DOI: 10.4238/gmr16039723
Genotype x environment interaction and its implication in identification of common bean populations with high calcium content
The common bean is a food with high mineral content. Of the various types of beans cultivated in Brazil, carioca type beans are the most consumed. The aim of this study was to identify promising common bean populations with an emphasis toward the selection of carioca type bean lines with high calcium content. We also aimed to verify whether and how the crop season a.. Read More»
Genet. Mol. Res. 15(2): gmr.15028053
DOI: 10.4238/gmr.15028053
Aggressiveness of Pseudocercospora griseola strains in common bean genotypes and implications for genetic improvement
The fungus Pseudocercospora griseola, the causal agent of angular leaf spot in the common bean (Phaseolus vulgaris L.), exhibits a broad pathogenic variability that complicates the development of resistant cultivars. For breeding programs to successfully obtain common bean cultivars with durable resistance, knowing the aggressiveness of different strains, as well as the mechanisms of genetic re.. Read More»
Genet. Mol. Res. 14(2): 2015.May.12.7
DOI: 10.4238/2015.May.12.7
Genetic progress estimation strategy for upright common bean plants using recurrent selection
Common bean producers in Brazil tend to grow plants as upright as possible. Because the control of this trait involves a large number of genes, recurrent selection (RS) is the best approach for successful plant improvement. Because plant architecture (PA) is evaluated using scores and usually has high heritability, RS for PA is performed through visual selection in .. Read More»
Genet. Mol. Res. 16(1): gmr16019494
DOI: 10.4238/gmr16019494
Epistasis in intra- and inter-gene pool crosses of the common bean
Epistasis has been shown to have an important role in the genetic control of several quantitative traits in the common bean. This study aimed to investigate the occurrence of epistasis in intra- and inter-pool gene crosses of the common bean. Four elite lines adapted to Brazilian conditions were used as parents, two from the Andean gene pool (ESAL 686; BRS Radiante) and two from the Mesoamerica.. Read More»
Genet. Mol. Res. 15(1): gmr.15017573
DOI: 10.4238/gmr.15017573
Strategies in identifying individuals in a segregant population of common bean and implications of genotype x environment interaction in the success of selection
The objective of this study was to compare the BLUP selection method with different selection strategies in F2:4 and assess the efficiency of this method on the early choice of the best common bean (Phaseolus vulgaris) lines. Fifty-one F2:4 progenies were produced from a cross between the CVIII8511 x RP-26 lines. A randomized block design was used with 20 replicatio.. Read More»
Genet. Mol. Res. 11(2): 2012.April.10.3
DOI: 10.4238/2012.April.10.3
Implications of the progeny x environment interaction in selection index involving characteristics of the common bean
Breeders normally select simultaneously for several traits in various environments. We investigated the effects of the progeny x environment interaction on success in selection for several traits. The population used was obtained from a cross between the CVIII-85-11 line, which has a semi-erect to prostrate plant architecture and a cream with brown streaks bean type, and the BRS-Supremo cultiva.. Read More»
Genet. Mol. Res. 11(4): 2012.September.19.5
DOI: 10.4238/2012.September.19.5
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