Biodiversity Science ›› 1998, Vol. 06 ›› Issue (2): 99-104.doi: 10.17520/biods.1998015

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Genetic diversity among Chinese oilseed accessions of Brassica rapa as determined by RAPD markers

ZHU Li1), LI Ru-Gang1), WU Xiao-Ming2), WU Ning-Feng1), FAN Yun-Liu1), QIAN Xiu-Zhen2)   

  1. 1) Biotechnology Research Center , Chinese Academy of Agricultural Sciences , Beijing  100081
    2) Institute of Oil Crop , Chinese Academy of Agricultural Sciences , Wuhan  430062
  • Received:1996-07-09 Revised:1997-08-04 Online:1998-05-20

The genetic diversity among 34 Chinese oilseed accessions ( mainly from Hunan and Hubei Provinces) of B . rapa was analyzed by RAPD technique and statistical methods. A general molecular method for assessment of genetic diversity was established from this research. Cluster analysis showed that the genetic variation among oilseed accessions of B . rapa was closely related with their eco-geographic distribution ; extensive variation existed among the accessions from Hunan and Hubei Provinces ; 34 accessions were divided into eight groups at DNA level. The application of results to selection of parents in breeding program was discussed.

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