A.P.O. Nogueira
Genetic parameters and selection of soybean lines based on selection indexes
Defining selection criteria is important to obtain promising genotypes in a breeding program. The objective of this study was to estimate genetic parameters for agronomic traits and to perform soybean line selection using selection indices. The experiment was conducted at an experimental area located at Capim Branco farm, belonging to the Federal University of Uberl.. Read More»
Genet. Mol. Res. 16(3): gmr16039750
DOI: 10.4238/gmr16039750
Correlations between traits in soybean (Glycine max L.) naturally infected with Asian rust (Phakopsora pachyrhizi)
Soybean (Glycine max L.)-breeding programs aim to develop cultivars with high grain yields and high tolerance to Asian soybean rust (Phakopsora pachyrhizi). Considering that the traits targeted for breeding are mainly quantitative in nature, knowledge of associations between traits allows the breeder to formulate indirect selection strategies. In this study, we investigated phenotypic, genotypi.. Read More»
Genet. Mol. Res. 14(4): 2015.December.21.45
DOI: 10.4238/2015.December.21.45
Adaptability and stability of soybean genotypes in off-season cultivation
The oil and protein contents of soybean grains are important quantitative traits for use in breeding. However, few breeding programs perform selection based on these traits in different environments. This study assessed the adaptability and stability of 14 elite early soybean breeding lines in off-season cultivation with respect to yield, and oil and protein contents. A range of statistical met.. Read More»
Genet. Mol. Res. 14(3): 2015.August.14.26
DOI: 10.4238/2015.August.14.26
Resistance of soybean genotypes to Sclerotinia sclerotiorum isolates in different incubation environments
Sclerotinia sclerotiorum is an important soybean pathogen. The objectives of this study were to evaluate levels of resistance of soybean genotypes to the fungus, and to determine the effects of different incubation environments on host resistance and pathogen aggressiveness. Two experiments were conducted using 103 genotypes from the seed collection of Laborat&oacut.. Read More»
Genet. Mol. Res. 15(4): gmr15049061
DOI: 10.4238/gmr15049061
Analysis of the genetic divergence of soybean lines through hierarchical and Tocher optimization methods
This study aimed to evaluate the clustering pattern consistency of soybean (Glycine max) lines, using seven different clustering methods. Our aim was to evaluate the best method for the identification of promising genotypes to obtain segregating populations. We used 51 generations F5 and F6 soybean lines originating from different hybridizations and backcrosses obta.. Read More»
Genet. Mol. Res. 15(4): gmr.15048836
DOI: 10.4238/gmr.15048836
Inheritance of Precocity and of Agronomic Characters in Soybean
Precocious soybean cultivars enable crop rotation and low pressure to the biotic and abiotic factors. This study aimed to determinate the inheritance of characters related to precocity and agronomic characters in soybean segregating population, coming from contrasting genitors to cycle. The experiment was conducted at a greenhouse located at Capim Branco farm, be.. Read More»
Genet. Mol. Res. 16(4): gmr16039842
DOI: 10.4238/gmr16039842
Evaluation of soybean lines and environmental stratification using the AMMI, GGE biplot, and factor analysis methods
In the final phases of new soybean cultivar development, lines are cultivated in several locations across multiple seasons with the intention of identifying and selecting superior genotypes for quantitative traits. In this context, this study aimed to study the genotype-by-environment interaction for the trait grain yield (kg/ha), and to evaluate the adaptability an.. Read More»
Genet. Mol. Res. 14(4): 2015.October.19.10
DOI: 10.4238/2015.October.19.10
Behavior of soybean genotypes in three locations in the Triângulo Mineiro
Soy is an important legume for global economy. The objectives of this study were evaluated soybean genotypes in different growing environments as for their agronomic characters and resistance to leaf spots, and determine the adaptability and phenotypic stability of materials in relation to the place of cultivation. Experiments were conducted in the cities of São Gotardo, Uberaba and Uber.. Read More»
Genet. Mol. Res. 18(3):
Adaptability and Stability of Soybean Genotypes in the States of MaranhÃ?£o, PiauÃ?Â, Tocantins and Bahia
The soybean crop has a substantial importance for Brazil’s agribusiness and economy. Besides, breeding programs have contributed to the development of the crop in the country allowing grain yield increase and, at the same time, intensifying the production of new cultivars that show both yield predictability and wide adaptation. This study was aimed at evaluati.. Read More»
Genet. Mol. Res. 17(1): gmr16039895
DOI: 10.4238/gmr16039895
Phenotypic, genotypic, and environmental correlations between characters in onion segregate populations obtained under different generations
Onion (Allium cepa L.) is the third most valuable vegetable crop worldwide and the third most produced in Brazil. The knowledge of the nature and the value of the relationship between the traits of interest is very important, since it is possible to select a main trait, with low heritability or difficult measurement, obtaining higher genetic gain faster than with di.. Read More»
Genet. Mol. Res. 16(4): gmr16039838
DOI: 10.4238/gmr16039838
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