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Development of superior lines of papaya from the Formosa group using the pedigree method and REML/Blup procedure Bragantia
Cortes,Diego Fernando Marmolejo; Santa-Catarina,Renato; Vettorazzi,Julio Cesar Fiorio; Ramos,Helaine Christine Cancela Ramos; Viana,Alexandre Pio; Pereira,Messias Gonzaga.
ABSTRACT Developing superior lines based on a simultaneous response from many traits of agronomic importance is a fundamental strategy to expand papaya cultivar supply, mainly the much-needed cultivars belonging to group Formosa. Our goal was to associate the pedigree method with REML/Blup procedure to select plants of progenies F2:3 with superior agronomic performance. The variance components and genetic parameters were estimated using REML approach, and the genetic values were predicted using Blup methodology. The combined selection was performed using the IG2 selection index based on weights associated with agronomic values to indicate the best progenies and lines. The heritability estimates of progeny mean were high in most traits and evidenced...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carica papaya; Combined selection; Segregating populations.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000300350
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