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Genetic gain estimated by different selection criteria in guava progenies Bragantia
Paiva,Claudia Lougon; Viana,Alexandre Pio; Santos,Eileen Azevedo; Freitas,Josie Cloviane Oliveira; Amaral Junior,Antonio Teixeira do.
Abstract Guava plays an important role in Brazilian agribusiness. Among other goals, guava breeding programs aim to achieve more productive cultivars and improved fruit quality. Thus, the present study aimed to investigate genetic variability in full-sib progenies of Psidium guajava (guava) and estimate the genetic progress obtained from different selection criteria in order to select the most promising genotypes. This is the first work that uses these criteria of selection to guava. The experiment was conducted in randomized block design with 2 replicates, and 10 progenies were assessed, with 12 plants per plot. Direct and indirect selection and the classic index with 2 economic weights were used for predicting the genetic gain between and within...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Psidium guajava; Genetic correlations; Direct and indirect selection; Selection index.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052016000400418
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