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Evaluation of genetic diversity and linkage disequilibrium in Korean-bred rice varieties using SSR markers Electron. J. Biotechnol.
Wang,Xiao-Qiang; Kwon,Soon-Wook; Park,Yong-Jin.
Background: In order to evaluate the variation among different rice types, the genetic diversity in a rice collection composed by 59 breeding lines, 23 landraces, 18 weedy rice lines, and 35 introduced lines that collected from countries worldwide was analyzed using 134 simple sequence repeat markers. Results: In total, 1264 alleles were identified (average, 9.43 per locus). Rare alleles made up a large portion (58.4%) of the detected alleles, and 29 unique alleles associated with rice accessions were also discovered. A model-based structural analysis revealed the presence of three subpopulations. The genetic relationships revealed by the neighbour-joining tree method were fairly consistent with the structure-based membership assignments for most of the...
Tipo: Journal article Palavras-chave: Landraces; Linkage disequilibrium; Population structure; Rice; Simple sequence repeats.
Ano: 2013 URL:
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