Title: Assessment of Genetic Diversity and Populations Genetic Structure in Wild Chinese Cherry from Sichuan Province Using SSR Markers
Abstract:Genetic diversity and genetic structure of five wild Chinese cherry(Prunus pseudocerasus Lindl.)populations from Sichuan were investigated using ten SSR markers selected from 31 markers.A total of 78 ...Genetic diversity and genetic structure of five wild Chinese cherry(Prunus pseudocerasus Lindl.)populations from Sichuan were investigated using ten SSR markers selected from 31 markers.A total of 78 alleles were successfully amplified,and the number of alleles per locus ranged from 5 to 10,with an average of 7.8.The relatively high levels gene diversity(H:0.6112-0.6689)and Shannon's diversity(I:1.1984-1.3786)revealed relatively rich genetic diversity in the five wild Chinese cherry populations.The AMOVA analysis revealed low genetic differentiation among populations,with only 7.47% of total variability partitioned among populations(P0.001).This consisted with genetic distance (GD 0.2416),genetic identity(GI0.7854),genetic differentiation(F st=0.0844)and strong gene flow(N m=2.7125).Five populations showed inbreeding and deviated from Hardy-Weinberg Equilibrium at most loci.Based on these results,the possible formation of the high level genetic diversity and the low genetic differentiation were discussed,and further strategies and suggestions for utilization and conservation of these resources were also proposed.Read More
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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Cited By Count: 7
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