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Borba,Tereza Cristina de Oliveira; Brondani,Rosana Pereira Vianello; Breseghello,Flávio; Coelho,Alexandre Siqueira Guedes; Mendonça,João Antônio; Rangel,Paulo Hideo Nakano; Brondani,Claudio. |
Association analysis was applied to a panel of accessions of Embrapa Rice Core Collection (ERiCC) with 86 SSR and field data from two experiments. A clear subdivision between lowland and upland accessions was apparent, thereby indicating the presence of population structure. Thirty-two accessions with admixed ancestry were identified through structure analysis, these being discarded from association analysis, thus leaving 210 accessions subdivided into two panels. The association of yield and grain-quality traits with SSR was undertaken with a mixed linear model, with markers and subpopulation as fixed factors, and kinship matrix as a random factor. Eight markers from the two appraised panels showed significant association with four different traits,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Association analysis; Core collection; Genetic structure. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000300023 |
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