Genetic Diversity and Genetic Structure of Prunus pseudocerasus Populations from China as Revealed by SSR Markers

doi:10.16420/j.issn.0513-353x.2015-0815

ACTA HORTICULTURAE SINICA ›› 2016, Vol. 43 ›› Issue (6): 1148-1156.doi: 10.16420/j.issn.0513-353x.2015-0815

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Genetic Diversity and Genetic Structure of Prunus pseudocerasus Populations from China as Revealed by SSR Markers

GAO Tian-xiang1，CAI Yu-liang1,*，FENG Ying1，and ZHAO Xiao-jun2

（1College of Horticulture，Northwest Horticultural Plants Genetic and Breeding Key Laboratory of Ministry of Agriculture，Northwest A & F University，Yangling，Shaanxi 712100，China；2Fruit Industry Bureau of Tongchuan City，Tongchuan，Shaanxi 727100，China）

Online:2016-06-25 Published:2016-06-25

Abstract

Abstract:

Simple sequence repeat（SSR）markers were employed to investigate the genetic diversity and genetic structure of 280 individuals sampled from 14 natural populations of Prunus pseudocerasus. A total of 80 alleles of 11 loci were detected，and the number of alleles per locus ranged from 4 to 13. The relatively high levels of gene diversity（h，0.5431–0.7151）and Shannon’s diversity（I，0.9057–1.4684） revealed relatively rich genetic diversity among the 14 Prunus pseudocerasus populations. The hierarchical analysis of molecular variance（AMOVA）revealed the genetic differentiation mainly within populations（70.00%）. Mantel test revealed a significant correlation between geographic and genetic distances（r = 0.472，P = 0.011）. Therefore，the genetic diversity was high both at the population level（PPL = 100%，h = 0.643，I = 1.207）and the species level（PPL = 100%，h = 0.743，I = 1.591）.

Key words: Prunus pseudocerasus, SSR, genetic diversity, genetic differentiation

CLC Number:

S 662.5

GAO Tian-xiang1，CAI Yu-liang1,*，FENG Ying1，and ZHAO Xiao-jun2 . Genetic Diversity and Genetic Structure of Prunus pseudocerasus Populations from China as Revealed by SSR Markers[J]. ACTA HORTICULTURAE SINICA, 2016, 43(6): 1148-1156.

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Genetic Diversity and Genetic Structure of Prunus pseudocerasus Populations from China as Revealed by SSR Markers

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