L.P.M. Pires
Efficiency of selection per se and in single-cross hybrids for disease resistance in maize
Plant breeding strategies are constantly refined to increase efficiency during the selection process. Consequently, the aims of this study were to examine genetic control and efficiency of selection based on the per se performance of maize lines and based on hybrid performance in reaction to white spot, common rust, and ear rot diseases in maize breeding programs. W.. Read More»
Genet. Mol. Res. 16(3): gmr16039716
DOI: 10.4238/gmr16039716
Genome-wide prediction of maize single-cross performance, considering non-additive genetic effects
The prediction of single-cross hybrids in maize is a promising technique for optimizing the use of financial resources in a breeding program. This study aimed to evaluate Genomic Best Linear Unbiased Predictors models for hybrid prediction and compare them with the Bayesian Ridge Regression, Bayes A, Bayesian LASSO, Bayes C, Bayes B, and Reproducing Kernel Hilbert Spaces Regression models, with.. Read More»
Genet. Mol. Res. 14(4): 2015.December.23.35
DOI: 10.4238/2015.December.23.35
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
Maize hybrid stability in environments under water restriction using mixed models and factor analysis
In several crops, the water deficit is perhaps the main limiting factor in the search for high yields. The objective of this study was to evaluate the phenotypic stability of maize hybrids in environments with and without water restriction using the analytical factor (AF) approach. We evaluated 171 maize hybrids in 14 environments, divided into environments with (A1.. Read More»
Genet. Mol. Res. 16(2): gmr16029672
DOI: 10.4238/gmr16029672
Assessing non-additive effects in GBLUP model
Understanding non-additive effects in the expression of quantitative traits is very important in genotype selection, especially in species where the commercial products are clones or hybrids. The use of molecular markers has allowed the study of non-additive genetic effects on a genomic level, in addition to a better understanding of its importance in quantitative t.. Read More»
Genet. Mol. Res. 16(2): gmr16029632
DOI: 10.4238/gmr16029632
Selection of maize inbred lines and gene expression for resistance to ear rot
In recent years, there has been a large incidence of fungi causing “ear rot” in maize in Brazil, the main fungus being Fusarium verticillioides. The most efficient and competitive alternative for control of this disease consists of using maize hybrids resistant to this pathogen. Thus, the aims of this study were to analyze the genetic variability of maiz.. Read More»
Genet. Mol. Res. 16(3): gmr16039415
DOI: 10.4238/gmr16039415
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