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《Acta Agriculturae Universitatis Jiangxiensis》 2009-04
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A Study on the Genetic Diversity of Foxtail Millet Cultivars by SSR Markers

JIA Xiao-ping1,TAN Xian-jie2,LI Yong-xiang2,WANG Tian-yu2,LI Yu2 (1.Colledge of Agriculture,Henan University of Science and Technology,Luoyang 471003,China;2.Institute of Crop Science,Chinese Academy of Agricultural Sciences/The National Key Facility for Crop Gene Resources and Genetic Improvement(NFCRI),Beijing 100081,China)  
Forty foxtail millet varieties(37 from China,3 from India and Russia) were selected for genetic diversity study by 37 SSR markers.In all 228 alleles were detected for the 37 SSR markers,the allele numbers per locus ranged from 3 to 12,on average 6.16 alleles per locus.The average PIC value per locus was 0.697.The correlation among PIC,allele numbers and numbers of repeat unit for the 37 SSR markers was analyzed by SAS(version 8.0) software.The results showed that extremely significant correlation between PIC and allele numbers was existent,with the coefficient of correlation reaching 0.802(P0.01),the correlation between PIC and numbers of repeat unit was also significant,with the coefficient of correlation reaching 0.429(P0.01).Through clustering of the 40 foxtail millet cultivars based on SSR markers,five groups were obtained at a genetic similar index of 0.79.Almost all the breeding varieties from different regions except Shanxi Province were grouped together.The clustering groups of most landrace varieties were consistent with ecotypes in some extent.
【Fund】: 国家自然科学基金(30571168);; IAEA(10757/R0)资助
【CateGory Index】: S515.035
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