Biodiv Sci ›› 2000, Vol. 08 ›› Issue (3): 257-261.  DOI: 10.17520/biods.2000036  cstr: 32101.14.biods.2000036

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RAPD analysis of genetic diversity of Cachesium polypinum

ZHANG Xi-Yuan1), SUN Chong1), YAN Ting-Ting1), WU Hai1), ZHENG Yi1), LI Xiao-Ying1), MIAO Wei2), YU Yu-He2), SHEN Yun-Fen2)   

  1. 1) College of Life Sciences ,Wuhan University , Wuhan 　430072
    2) Institute of Hydrobiology , Chinese Academy of Sciences , Wuhan 　430072
  • Received:2000-03-01 Revised:2000-06-19 Online:2000-08-20 Published:2000-08-20
  • Contact: ZHANG Xi-Yuan

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Abstract: Three regional populations (Hankou :CP-1 ,Hanyang :CP-2 ,Wuchang :CP-3) of Cachesium polypinum in Wuhan were analysed using randomly amplified polymorphic DNA ( RAPD) technique. Based on RAPD data , the pairwise genetic similarity of the three populations were 0.6921 on average , ranging from 0.6522 to 0.7385. The genetic similarity (S) between CP-2 and CP-3 was the greatest ,and S between CP-1 and CP-3 was the least . The relationship between variations and environment , and the significance of RAPD analysis of genetic diversity of Cachesium polypinum were discussed.

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