论文部分内容阅读
以红松无性系种子园各无性系结实量指标和生长指标为据,利用灰色关联度分析了结实与生长的关系。结果表明,与结实量关联度较大的3个因子依次是:胸径、侧枝粗、树高。
Based on the indexes of climax and growth index of clones in the climatic seed orchard of Pinus koraiensis, the relationship between seed setting and growth was analyzed by the gray relational degree. The results showed that the three factors associated with the seed setting were: DBH, thick branches and tree height.