Research Article

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Crops, Agricultural; Glycine max; Quantitative Trait, Heritable; seeds

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Brazil; Crops, Agricultural; Manihot; Models, Genetic; Quantitative Trait, Heritable

The aim of this study was to select morphoagronomic descriptors to characterize cassava accessions representative of Eastern Brazilian Amazonia. It was characterized 262 accessions using 21 qualitative descriptors. The multiple-correspondence analysis (MCA) technique was applied using the criteria: contribution of the descriptor in the last factorial axis of analysis in successive cycles (SMCA ... more

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Using commercial cultivars to compose crossing blocks in cotton is a promising strategy, because these materials have desirable agronomic and technological characteristics. The objective of this study was to evaluate the genetic diversity among 16 cotton cultivars cultivated in two environments in the State of Mato Grosso, the largest national producer, using agronomical and technological ... more

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Capsicum; Fruit; Gene-Environment Interaction; Hybridization, Genetic; Quantitative Trait, Heritable

In Brazil, cultivation of hybrid plants comprise near 40% of the area grown with vegetables. For Capsicum, hybrids of bell and chili peppers have already exceeded 50% and over 25% of all are commercialized seeds. This study aimed to evaluate new pepper hybrids in two environments, Cáceres, MT, and Campos dos Goytacazes, RJ, Brazil. Nine experimental hybrids of C. baccatum var. pendulum were ... more

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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

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Genetic variation; Hybridization, Genetic; Plant breeding; Quantitative Trait, Heritable; Silage; Zea mays

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Analysis of variance; Annona; Data Interpretation, Statistical; Fruit; Genetic variation; Phenotype; Plant breeding; Quantitative Trait, Heritable

Repeatability studies on fruit species are of great importance to identify the minimum number of measurements necessary to accurately select superior genotypes. This study aimed to identify the most efficient method to estimate the repeatability coefficient (r) and predict the minimum number of measurements needed for a more accurate evaluation of soursop (Annona muricata L.) genotypes based ... more

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The cultivated garlic (Allium sativum L.) displays a wide phenotypic diversity, which is derived from natural mutations and phenotypic plasticity, due to dependence on soil type, moisture, latitude, altitude and cultural practices, leading to a large number of cultivars. This study aimed to evaluate the genetic variability shown by 63 garlic accessions belonging to Instituto Agronômico de ... more

E.S.S. Hoogerheide; J.A.Azevedo Filho; R. Vencovsky; M.I. Zucchi; B.W. Zago; J.B. Pinheiro
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Breeding; Crosses, Genetic; Quantitative Trait, Heritable; Zea mays

The REML/BLUP statistics are analyses that can be used as selective criteria in the routine of maize breeding programs. The present study aims to determine the genetic potential in crosses of landrace populations applying the REML/BLUP methodology, and to identify populations for the synthesis of new populations and intrapopulation selection for family farming systems, as well as genetic ... more

D. Baretta; M. Nardino; I.R. Carvalho; A.J. de Pelegrin; M. Ferrari; V.J. Szareski; W.S. Barros; V.Q. de Souza; A.C. de Oliveira; L.C. da Maia
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Knowledge of genetic diversity among genotypes and relationships among elite lines is of great importance for the development of breeding programs. Therefore, the objective of this study was to evaluate genetic variability based on the morphoagronomic and molecular characterization of 18 elite popcorn (Zea mays var. everta) lines to be used by Universidade Estadual de Maringá breeding programs ... more

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