Analysis of Genetic Diversity and Relationship of Glycine soja in Northeast China(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2011年03期

Page:

388-392,396

Research Field:

Publishing date:

Info

Title:

Analysis of Genetic Diversity and Relationship of Glycine soja in Northeast China

Author(s):

WEI Miao¹;  LI Jian-dong¹;  YAN Xue-fei¹;  WANG Guo-jiao¹;  HU Yi-ning²; TIAN Feng-zhi³

1.College of Agronomy, Shenyang Agricultural University, Shenyang 110866,Liaoling;

2.Beijing Milu Ecological Experimental Center, Beijing100076;

3.Zhangwu County Xinglongbao Township Agricultural Machinery Station, Zhangwu County 123200,Liaoning,China

Keywords:

Glycine soja;  SSR;  Genetic diversity;  Relationship

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2011.03.0388

Abstract:

The genetic diversity of 52 northeast wild soybeans were analyzed by 60 pairs of SSR primers.The results showed that: 408 alleles were detected by 40 pairs of SSR markers, with an average of 12.5 alleles for each locus. Shannon-Weaver diversity indexes varied from 1.2203 to 2.6392 with averaged 2.0560, wild soybean has a rich genetic variation in northeast China; wild soybean in 41~43°N×124~126°E area have the richest accessions and genetic diversity, thus the Liaohe plain might be the newborn genetic diversity centre. Wild soybean in 39~41 °N × 120~122 °E region have higher genetic diversity index, but fewer resources were collected, thus the Liaodong hilly area might be the secondary genetic diversity centre of the northeast China. It proved that the formation of two uneven wild soybean centers of diversity in northeast China. Based on SSR data, 52 wild soybeans were clustered into six categories, the results of clustering was related with the geographical distribution of wild soybeans.

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