M.D.V. Resende
Estimates of repeatability coefficients and the number of the optimum measure to select superior genotypes in Annona muricata L.
The aim of this study was to evaluate repeated measures over the years to estimate repeatability coefficient and the number of the optimum measure to select superior genotypes in Annona muricata L. The fruit production was evaluated over 16 years in 71 genotypes without an experimental design. The estimation of variance components and the prediction of the permanent.. Read More»
Genet. Mol. Res. 16(3): gmr16039753
DOI: 10.4238/gmr16039753
Multi-trait BLUP model indicates sorghum hybrids with genetic potential for agronomic and nutritional traits
The breeding of sorghum, Sorghum bicolor (L.) Moench, aimed at improving its nutritional quality, is of great interest, since it can be used as a highly nutritive alternative food source and can possibly be cultivated in regions with low rainfall. The objective of the present study was to evaluate the potential and genetic diversity of grain-sorghum hybrids for traits of agronomic and nutrition.. Read More»
Genet. Mol. Res. 15(1): gmr.15017071
DOI: 10.4238/gmr.15017071
Genomic selection for slaughter age in pigs using the Cox frailty model
The aim of this study was to compare genomic selection methodologies using a linear mixed model and the Cox survival model. We used data from an F2 population of pigs, in which the response variable was the time in days from birth to the culling of the animal and the covariates were 238 markers [237 single nucleotide polymorphism (SNP) plus the halothane gene]. The .. Read More»
Genet. Mol. Res. 14(4): 2015.October.19.5
DOI: 10.4238/2015.October.19.5
Estimating additive and dominance variances for complex traits in pigs combining genomic and pedigree information
Knowledge of dominance effects should improve genetic evaluations, provide the accurate selection of purebred animals, and enable better breeding strategies, including the exploitation of heterosis in crossbreeds. In this study, we combined genomic and pedigree data to study the relative importance of additive and dominance genetic variation in growth and carcass traits in an F2 pig population... Read More»
Genet. Mol. Res. 14(2): 2015.June.11.4
DOI: 10.4238/2015.June.11.4
Selection between and within full-sib sugarcane families using the modified BLUPIS method (BLUPISM)
The objective of this study was to assess the efficiency of a modification of the simulated individual best linear unbiased prediction (BLUPIS) procedure, which is used for the approximation of classic individuals (BLUPI) for selection between and within sugarcane families. A total of 110 full-sib families were employed in an experiment initiated in 2007 using a randomized block design with fiv.. Read More»
Genet. Mol. Res. 15(1): gmr.15017334
DOI: 10.4238/gmr.15017334
New accuracy estimators for genomic selection with application in a cassava (Manihot esculenta) breeding program
Genomic selection is the main force driving applied breeding programs and accuracy is the main measure for evaluating its efficiency. The traditional estimator (TE) of experimental accuracy is not fully adequate. This study proposes and evaluates the performance and efficiency of two new accuracy estimators, called regularized estimator (RE) and hybrid estimator (HE.. Read More»
Genet. Mol. Res. 15(4): gmr.15048838
DOI: 10.4238/gmr.15048838
Genetic evaluation of Jatropha curcas: an important oilseed for biodiesel production
Jatropha curcas, internationally and locally known, respectively, as physic nut and pinhão manso, is a highly promising species for biodiesel production in Brazil and other countries in the tropics. It is rustic, grows in warm regions and is easily cultivated. These characteristics and high-quality oil yields from the seeds have made this plant a priority for.. Read More»
Genet. Mol. Res. 10(3): vol10-3gmr1146
DOI: 10.4238/vol10-3gmr1146
Genomic prediction for additive and dominance effects of censored traits in pigs
Age at the time of slaughter is a commonly used trait in animal breeding programs. Since studying this trait involves incomplete observations (censoring), analysis can be performed using survival models or modified linear models, for example, by sampling censored data from truncated normal distributions. For genomic selection, the greatest genetic gains can be achie.. Read More»
Genet. Mol. Res. 15(4): gmr15048764
DOI: 10.4238/gmr15048764
Comparison of dimensionality reduction methods to predict genomic breeding values for carcass traits in pigs
A significant contribution of molecular genetics is the direct use of DNA information to identify genetically superior individuals. With this approach, genome-wide selection (GWS) can be used for this purpose. GWS consists of analyzing a large number of single nucleotide polymorphism markers widely distributed in the genome; however, because the number of markers is.. Read More»
Genet. Mol. Res. 14(4): 2015.October.9.10
DOI: 10.4238/2015.October.9.10
Breeding of Acrocomia aculeata using genetic diversity parameters and correlations to select accessions based on vegetative, phenological, and reproductive characteristics
Macaw palm (Acrocomia aculeata) is a promising species for use in biofuel production, and establishing breeding programs is important for the development of commercial plantations. The aim of the present study was to analyze genetic diversity, verify correlations between traits, estimate genetic parameters, and select different accessions of A. aculeata in the Macaw.. Read More»
Genet. Mol. Res. 15(4): gmr15048820
DOI: 10.4238/gmr15048820
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