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YAN Bo-Qian, QIN Ling, LI Zuo-Zhou, HUANG Hong-Wen. Spatial Autocorrelation of Population Genetic Structure of Cryphonectria parasitica in China[J]. Plant Science Journal, 2003, 21(3): 238-244.
Citation: YAN Bo-Qian, QIN Ling, LI Zuo-Zhou, HUANG Hong-Wen. Spatial Autocorrelation of Population Genetic Structure of Cryphonectria parasitica in China[J]. Plant Science Journal, 2003, 21(3): 238-244.
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Spatial Autocorrelation of Population Genetic Structure of Cryphonectria parasitica in China

  • 1.

    Wuhan Botanical Garden/ Wuhan Institute of Botany, The Chinese Academy of Sciences, Wuhan 430074, China

  • 2.

    Department of Plant Science and Technology, Beijing Agricultural College, Beijing 102206, China

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  • Received Date: March 13, 2003
  • Revised Date: May 29, 2003
  • Published Date: June 23, 2003
    Graphical Abstract
    • Abstract
  • The spatial structure of genetic diversity among 17 populations of Cryphonectria parasitica in China was investigated using RAPD markers with the spatial autocorrelation analysis. The result revealed a lack of spatial structure of genetic variation among populations of C. parasitica indicating a fact that genetic variations of the most polymorphic loci were randomly distributed. However, cline depression, lump, or double cline structures of the genetic variation were found at some RAPD loci with significant Moran's I in several distance classes. The spatial patterns of genetic differentiation in populations appeared to be a combining result of long-distance gene flow, human activities, local effects of geographic isolation and reproduction behaviour of C. parasitica, and it speculated that Southwest China could be a possible center of C. parasitica origin in China based on the cline pattern at some loci.
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