我国部分白菜型油菜RAPD的研究  

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

作　　者：朱莉[1,2] 李汝刚[1,2] 伍晓明[1,2] 伍宁丰[1,2] 范云六[1,2] 钱秀珍[1,2] 

机构地区：[1]中国农业科学院生物技术研究中心 [2]中国农业科学院油料作物研究所

出　　处：《生物多样性》1998年第2期99-104,共6页Biodiversity Science

基　　金：国家劳动人事部留学回国人员择优资助

摘　　要：本研究用ＲＡＰＤ技术和统计学方法，对以湖南和湖北省油菜为主的３４个白菜型油菜品种的遗传多样性进行了分析。根据离差平方和，用Ｗａｒｄ’ｓ聚类方法进行聚类。结果表明：白菜型油菜的遗传变异与生态地理分布有密切的关系；湖南和湖北两省的白菜型油菜品种存在广泛的遗传变异；在ＤＮＡ水平上可将所分析的３４个品种分成８个类群。作者对研究结果在遗传育种中的应用进行了讨论。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.

关 键 词：遗传多样性 白菜型油菜 RAPD 

分 类 号：S565.403.2[农业科学—作物学]