Chinese Science Bulletin

, 53:3559 | Cite as

Geographical genetic diversity and divergence of common wild rice (O. rufipogon Griff.) in China

  • MeiXing Wang
  • HongLiang Zhang
  • DongLing Zhang
  • DaJian Pan
  • DaoYuan Li
  • ZhiLan Fan
  • YongWen Qi
  • JunLi Sun
  • QingWen Yang
  • Chen Li
  • ZiChao Li
Articles/Crop Germplasm Resources


Using 36 SSR markers and 889 accessions of common wild rice in China, the genetic diversity and the divergence among different geographical populations are investigated. Guangdong Province has the largest number of alleles, which account for 84% of the total alleles detected in the study, followed by Guangxi Province. The Nei’s gene diversity indices, from high to low, are in the sequence of Hainan, Guangdong, Guangxi, Fujian, Hunan, Jiangxi, and Yunnan provinces. Two genetic diversity centers of Chinese common wild rice are detected on the basis of geographic analysis, i.e., the region covering Boluo, Zijin, Lufeng, Haifeng, Huidong and Huiyang counties of Guangdong Province and the region covering Yongning, Longan, Laibin and Guigang counties of Guangxi Province. The common wild rice in Yunnan, Hunan, Jiangxi, and Fujian provinces are diverged into respectively independent populations with relatively large genetic distances, whereas, those in Hainan, Guangdong and Guangxi provinces have relatively low genetic divergence. Under the condition of geographic separation, natural selection is considered as one of the primary forces contributing to the divergence of common wild rice in China.


common wild rice genetic diversity genetic difference SSR 


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Copyright information

© Science in China Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  • MeiXing Wang
    • 1
    • 5
  • HongLiang Zhang
    • 1
  • DongLing Zhang
    • 1
  • DaJian Pan
    • 2
  • DaoYuan Li
    • 3
  • ZhiLan Fan
    • 2
  • YongWen Qi
    • 1
  • JunLi Sun
    • 1
  • QingWen Yang
    • 4
  • Chen Li
    • 2
  • ZiChao Li
    • 1
  1. 1.Key Laboratory of Crop Genomics & Genetic Improvement of Ministry of Agriculture and Beijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijingChina
  2. 2.Rice Research InstituteGuangdong Academy of Agricultural SciencesGuangzhouChina
  3. 3.Rice Research InstituteGuangxi Academy of Agricultural SciencesNanningChina
  4. 4.Institute of Crop ScienceCAASBeijingChina
  5. 5.Institute of Crops and Utilization of Nuclear TechnologyZhejiang Academy of Agricultural SciencesHangzhouChina

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