This paper investigated the evaluation on seed stability index based on the experimental observation,and provided a useful result for reselection of the clone.

• 本文以安徽省西田林场杉木种子园6年分系固定样株为观测材料，探讨杉木无性系稳定性指标的评价方法，为无性系再选择提供了有益的参考。