Title: Simple Sequence Repeats Polymorphism Analysis of Different Sweet Sorghum Varieties
Abstract: Simple sequence repeats(SSRs) were used to detect genetic diversity among 32 sweet sorghum cultivars.11 SSR primers selected from 30 primers gave stable profiles amplified in sample of 32 cultivars.11 primers produced 112 amplified fragments of which 91(81.3%) were polymorphic.The average number of allele per SSR locus was 10.2 with a range from 5 to 16.The polymorphism information content(PIC) for the SSR loci varied from 0.429 to 0.926 with an average of 0.708.Genetic similarity coefficient among the 32 cultivars ranged from 0.583 to 0.969 with an average of 0.724,it indicated that the genetic relationships were close between them.The UPGMA cluster analysis showed that the 32 cultivars could be classified into three distinct groups when genetic similarity coefficient was 0.730.The closest relationship was HL1 and HL2,and SART was highly divergent from L-32.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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