Estimate of genetic gain in popcorn after cycles of phenotypic recurrent selection

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorEmatné, H. J.-
Autor(es): dc.creatorNunes, J. A. R.-
Autor(es): dc.creatorDias, K. O. G.-
Autor(es): dc.creatorPrado, P. E. R.-
Autor(es): dc.creatorSouza, J. C.-
Data de aceite: dc.date.accessioned2026-02-09T11:40:37Z-
Data de disponibilização: dc.date.available2026-02-09T11:40:37Z-
Data de envio: dc.date.issued2018-09-14-
Data de envio: dc.date.issued2018-09-14-
Data de envio: dc.date.issued2016-05-20-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/30431-
Fonte completa do material: dc.identifierhttps://www.geneticsmr.com/articles/6447-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1144965-
Descrição: dc.descriptionPopcorn is widely consumed in Brazil, yet there are few breeding programs for this crop. Recurrent selection (RS) is a viable breeding alternative for popcorn; however, the gains achieved must be frequently checked. The aim of this study was to assess the effect of selection for grain type (round and pointed) after four cycles of phenotypic RS on the main agronomic traits of popcorn, to estimate the genetic gain achieved for the trait of expansion volume (EV), and to obtain estimates of phenotypic correlations for the main traits of the crop in the UFLA E and UFLA R populations. The zero, one, two, and three cycles of the UFLA E and UFLA R populations, the fourth cycle, and the controls IAC-112 and IAC-125 were used. The experiments were conducted at the experimental farm of Universidade Federal de Lavras (UFLA; Environment 1) and at the experimental area of the Genetics and Plant Breeding Sector of the Department of Biology at UFLA (Environment 2) in the 2010/11 crop season. Nine agronomic traits were evaluated, including EV and grain yield (GY). The UFLA R and UFLA E populations showed similar behavior for all evaluated traits. The type of grain did not affect the genetic gain for EV, which was 5 and 3.7% in each cycle carried out in the UFLA E and UFLA R population, respectively. Phenotypic selection carried out during recombination for EV is an effective method for increasing expression of the trait. EV and GY did not show a linear association.-
Idioma: dc.languageen-
Publicador: dc.publisherFundação de Pesquisas Científicas de Ribeirão Preto (FUNPEC-RP)-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceGenetics and Molecular Research (GMR)-
Palavras-chave: dc.subjectRecurrent selection-
Palavras-chave: dc.subjectGain from selection-
Palavras-chave: dc.subjectExpansion volume-
Título: dc.titleEstimate of genetic gain in popcorn after cycles of phenotypic recurrent selection-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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