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Cluster analysis of wild Brassica juncea germplasm in Tibet
FANG Hua-li, LI Peng, CHENG Hai-hong, CHANG Tian-jun, WANG Jiam-lin
Department of Agriculture, Tibet Agriculture and Animal Husbandry College Linzhi 860000, China
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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 wordsTibet      wild B.juncea      cluster analysis     
Received: 25 April 2008     
:  S565.4  
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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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