摘要
采用权重法计算15个杨树新品系,16个性状的综合主成分值,并对其进行聚类及邓肯新复极差检验分析,结果表明:中M、53、J、50、B、A号杨综合主成分值较大,处在生长速度快及抗寒性强的第Ⅴ和第Ⅳ类群,属于综合性状表现优良的品系,且分析结果与原始数据直观反映结果一致。
16 traits were calculated by weight to form a principal component value, and cluster analysis and Deng Kenxin multiple range test analysis were done. The result showed that new poplar strains 中 M, 53, J, 50, B, A had high principal component value, and are clustered to cluster V and cluster IV which was of fast - growing and high ability against cold each. And those new strains performed well in the test by the analysis and invest data both.
出处
《林业科技》
2013年第1期5-8,共4页
Forestry Science & Technology
基金
中央财政林业科技推广示范资金项目(200901)资助
关键词
杨树
新品系
多性状
主成分
Poplar
New strain
Multiple trait
Principal component
