Research Article

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Crop Production; Edible Grain; Genotype; Glycine max; Phenotype; Quantitative Trait, Heritable; seeds

The goals of this research were to evaluate the phenotypic and genotypic correlations between agronomic traits, to perform path analysis, having as main character grain yield, and to identify indirect selection criteria for grain yield. The experiment was carried out in an experimental area located at Capim Branco farm, which belongs to Federal University of Uberlândia, during the growing ... more

B.Q.V. Machado; A.P.O. Nogueira; O.T. Hamawaki; G.F. Rezende; G.L. Jorge; I.C. Silveira; L.A. Medeiros; R.L. Hamawaki; C.D.L. Hamawaki
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E.V. Zambiazzi; A.T. Bruzi; S.R. Guilherme; D.R. Pereira; J.G. Lima; A.M. Zuffo; F.O. Ribeiro; A.E.S. Mendes; S.H.M. Godinho; M.L.M. Carvalho
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The objective of this study was to evaluate the effects of multicollinearity under two methods of canonical correlation analysis (with and without elimination of variables) in maize (Zea mays L.) crop. Seventy-six maize genotypes were evaluated in three experiments, conducted in a randomized block design with three replications, during the 2009/2010 crop season. Eleven agronomic variables ( ... more

B.M. Alves; C. Filho; C. Burin
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Genetic improvement is essential to achieve increments in maize (Zea mays L.) grain yield components. It may be obtained through crosses, which enable to exploit the effects of intervarietal heterosis, allelic complementarity, as well as gene actions and effects. This study estimated the components of variance and genetic parameters (REML/BLUP) of an intervarietal diallel to select and predict ... more

I.R. Carvalho; A.J. de Pelegrin; V.J. Szareski; M. Ferrari; T.C. da Rosa; T.S. Martins; N.L.Dos Santos; M. Nardino; V.Q. de Souza; A.C. de Oliveira; L.C. da Maia
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Mocó cotton belong to the same species as the cultivated species, Gossypium hirsutum, and cultivated forms were mainly landraces but also developed as cultivars, bearing good fiber quality and drought tolerant when cropped as a perennial species. The northeast Brazil crop system based on this cotton type is finished, with a few small area planted in the three main States, where it was ... more

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Flowers; Genes, Dominant; Genetic variation; Phaseolus; Plant breeding; Quantitative trait loci; Quantitative Trait, Heritable; seeds

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E.S. Martins; R.A.Pinto Júnior; A.F.B. Abreu; M.A.P. Ramalho
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Acclimatization; Edible Grain; Glycine max; Plant breeding; Quantitative Trait, Heritable; Selection, Genetic

This study aimed at verifying the adaptability and stability of soybean cultivars, considering the grain yield and quality of seeds, adopting univariate and multivariate approaches. The experiments were conducted in two crops, three environments, in 2013/2014 and 2014/2015 crop seasons, in the county of Inconfidentes, Lavras, and Patos de Minas, in the Minas Gerais State, Brazil. We evaluated ... more

K.B. Silva; A.T. Bruzi; E.V. Zambiazzi; I.O. Soares; J.L.A.R. Pereira; M.L.M. Carvalho
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Genetic variation; Genotype; Glycine max; Models, Genetic; Plant breeding; Quantitative Trait, Heritable

The genetic diversity study has paramount importance in breeding programs; hence, it allows selection and choice of the parental genetic divergence, which have the agronomic traits desired by the breeder. This study aimed to characterize the genetic divergence between 24 soybean genotypes through their agronomic traits, using multivariate clustering methods to select the potential genitors for ... more

M.M. Oliveira; L.B. Sousa; M.C. Reis; E.G.Silva Junior; D.B.O. Cardoso; O.T. Hamawaki; A.P.O. Nogueira
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Glycine max; Hypocotyl; Models, Genetic; Neural Networks, Computer; Phenotype; Plant breeding; Quantitative Trait, Heritable

Classification using a scale of visual notes is a strategy used to select erect bean plants in order to improve bean plant architectures. Use of morphological traits associated with the phenotypic expression of bean architecture in classification procedures may enhance selection. The objective of this study was to evaluate the potential of artificial neural networks (ANNs) as auxiliary tools ... more

V.Q. Carneiro; G.N. Silva; C.D. Cruz; P.C.S. Carneiro; M. Nascimento; J.E.S. Carneiro
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Genotype; Glycine max; Plant breeding; Quantitative Trait, Heritable; Selection, Genetic; Selective breeding

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 Uberlândia. A total of 37 soybean ... more

F.G. Teixeira; O.T. Hamawaki; A.P.O. Nogueira; R.L. Hamawaki; G.L. Jorge; C.L. Hamawaki; B.Q.V. Machado; A.J.O. Santana

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