Using SSR Markers to Study Popula tion Genetic Structure of Cultivated Apricots Native to Xinjiang

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (4): 809-812.

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Using SSR Markers to Study Popula tion Genetic Structure of Cultivated Apricots Native to Xinjiang

He Tianming^{1, 2};Chen Xuesen^1*;Gao Jiangsheng²;Zhang Dahai³;Xu Lin³;Wu Yan¹

(¹Biological Lab of Pomology, Shandong Agricultural University, Tai'an, Shandong 271018, China; ²College of Plant Science and Technology, Tarim University, Alar, Xinjiang 843300, China; ³Luntai National Pomology Germplasm Garden, Academy of Agricultural Science of Xinjiang, Luntai, Xinjiang 841600, China)

Received:2005-07-20 Revised:2006-04-04 Online:2006-08-25 Published:2006-08-25

Abstract

Abstract: Eleven Prunus simple sequence repeat ( SSR) primer pairs have been used in the molecular characterization of 30 apricot (Prunus armeniaca L. ) varieties from south Xinjiang Uygur Autonomous Region, China. A higher level of genetic diversity was revealed by Neips gene diversity (He = 012364). The Gst (Gene
Divergence) of 0.1508 indicated that genetic variation existed mainly within sub-group s (84.9%). The modest amount of gene flow (Nm =2.3666) based on Gst was discovered. Itwas p roposed that artificial introduction by seeds was probably the main way of gene flow. Consequently, aditional morphological and geographical classification can not completely reflect the genetic relationship between ap ricot varieties native to Xinjiang.

Key words: Apricot, SSR, Genetic diversity, Population genetics, Clustering analysis

He Tianming;;Chen Xuesen;Gao Jiangsheng;Zhang Dahai;Xu Lin;Wu Yan. Using SSR Markers to Study Popula tion Genetic Structure of Cultivated Apricots Native to Xinjiang[J]. ACTA HORTICULTURAE SINICA, 2006, 33(4): 809-812.

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Using SSR Markers to Study Popula tion Genetic Structure of Cultivated Apricots Native to Xinjiang

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