树木和其它生物一样,许多重要的经济性状(如胸径、树高、材积等)大都为数量性状。数量性状一般受微效多基因的控制,由于基因间的连锁、互换等多种效应,使性状间多少存在着某种程度的相关性。这种相关性是在长期系统发育过程中形成的,因此往往会遗传。本文用聚类分析方法研究福建柏(Fokie-nia hodginsii)数量性状间的相关性。所调查的 Trees and other organisms, many of the important economic traits (such as DBH, tree height, volume, etc.) are mostly quantitative traits. Quantitative traits are generally controlled by the microscopic multi-gene, and due to multiple effects such as inter-gene linkage and exchange, there is a certain degree of correlation between the traits. This correlation is formed during long-term phylogeny and is often inherited. In this paper, cluster analysis was used to study the correlation between quantitative traits of Fokie-nia hodginsii. Investigated