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《Journal of Sichuan Forestry Science and Technology》 2002-01
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Variations in Characters of Plus Trees in Natural Stands of Picea asperata and Definition of Elected Standards

Sichuan Pulpwood Group in Picea asperata (Sichuan Research Institute of Forestry,Chengdu,610081)  
Twenty-two characters of 75 plus trees,which had been phenotypically selected in natural stands of Picea asperata Mast.were analysed on their variation with ages of the trees and potential for selecting plus trees was evaluated.For fourteen characters elected standards were defined,up to which were 47 trees that corresponded to a selection accruacy of 77.4%.It is suggested that Picea asperata Mast.managed as pulpwood stands should be stepwise improved on quantitative traits and wood characters.
【Fund】: 国家“九五”攻关项目“云杉纸浆材树种良种选育及培育技术研究”内容之一 (专题号 :95 0 11 0 1 0 6 )
【CateGory Index】: S791.18
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