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MATTOS, THÚLIO PEREIRA. Inheritance of productivity and agronomic characters 2018, 75 p. Dissertation (Master degree in Agronomy) Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil. In order to be successful in the genetic improvement of plants it is necessary the existence of genetic variability in the selection of superior genotypes. The selection of individuals should focus on performance-enhancing characteristics so that market needs are met. The objective of this work was to determine the inheritance of characters related to productivity and agronomic traits in a soybean segregating population from contrasting parents. The experiment was carried out at the experimental station of Fazenda Capim Branco, Federal University of Uberlândia. The cultivars MG / BR46 Conquista and Emgopa 316 were used at the biparental intersection to obtain the F1 and F2 populations. Parental and F1 and F2 populations were evaluated in terms of number of days for flowering and maturity, plant height at maturity, number of nodes at main stem at maturity, total number of pods and grain yield. Genetic and environmental variance, heritability, mean degree of dominance and number of genes were used for mean and variance data. The heritability was high, varying from 80.68 to Number of nodes at maturity to 96.82 for number of days at flowering. It was concluded that the MG / BR 46 Conquista and Emgopa 316 parents present high selection potential, since they provided high selection gains for the agronomic traits number of pods and grain yield.

Herança de caracteres agronômicos e efeito da época de semeadura sobre desempenho da soja