Abstract
Genetic structure of 142 parent lines of sorghum [Sorghum bicolor (L.) Moench] was analyzed using model-based approach based on SSR markers. Forty-one selected from 103 SSR markers were used to analyze the parent lines, which generated 189 alleles revealed by each marker ranging from 2 to 11 with an average of 4.6 per marker. The polymorphic information content (PIC) value was 0.543 with a range of 0.089 to 0.850. All the parent lines were assigned to 7 subgroups, named Kafir, Kaoliang, Feterita, Shallu, Hegari, Milo and Durra. Parent lines without clear pedigree record were clustered into their corresponding groups, and genetic components of each line were estimated by Q-values. Information of this study would be useful for breeders to conclude their genetic background and select appropriate parents for germplasm improvement and hybrid breeding, and thus improve the efficiency of breeding programs.
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Wang, L.M., Jiao, S.J., Jiang, Y.X. et al. Genetic Structure Analysis of Sorghum Parent Lines Based on SSR Markers. CEREAL RESEARCH COMMUNICATIONS 41, 359–365 (2013). https://doi.org/10.1556/CRC.2013.0018
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DOI: https://doi.org/10.1556/CRC.2013.0018