2015•Hebei Nongye Daxue xuebaoRequires access
Genetic diversity analysis of 84Chinese jujube varieties by SSR makers
LA Fei-fe
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Abstract
Polymorphisms of 84 Chinese jujube were detected with 11 pairs of SSR primers.Totally,37 polymorphic alleles were revealed.Polymorphism information content values of the primer pairs ranged from 0.19 to 0.67,with an average of 0.48.The 84 Chinese jujube were divided into four populations by their place of origin,and their Nei′s genetic identity ranged from 0.928 6to 0.993 5.The parametric level of genetic diversity was:North ChinaCentral ChinaEast ChinaNorthwest,and the genetic relationship between the North China and the East China was the closest.UPGMA cluster analysis showed that 82.3% of Chinese jujube were distinguished,and the genetic distance among cultivars ranged from 0.00 to 0.52,with an average of 0.15.However,these varieties were not distinguished according to the method of origin classification.