西藏野生芥菜型油菜种质资源的聚类分析

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Abstract

27 mustard materials were collected around Tibet and cluster analysis based on height of plant,stem diameter,branch position,amount of branch and numbers of siliqua properties was done in the present study.The results showed that: 1) At the threshold of 0.94,wild B.juncea germplasm in Tibet could be divided into 3 groups,mainly including branching type of above plant,branching type of below plant and average type,and the above results would be useful in rapeseed breeding;2)At the threshold of 0.61,they could be divided into 7 subgroups,namely SG1,SG2,SG3,SG4,SG5,SG6 and SG7,therefore,they could be considered as referenced markers of regional microclimate studing on crop growth environment in Tibet;3)It indicated that the agronomic characters of Tibet mustard germplasm were abundant,and their properties displayed significant differences.

Key words： Tibet wild B.juncea cluster analysis

Received: 25 April 2008

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	Articles by authors
	FANG Hua-li
	LI Peng
	CHENG Hai-hong
	CHANG Tian-jun
	WANG Jiam-lin

Cite this article:

FANG Hua-li,LI Peng,CHENG Hai-hong, et al. Cluster analysis of wild Brassica juncea germplasm in Tibet[J]. , 2008, 27(2): 77-84.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2008/V27/I2/77

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