The results showed that the ground diameter (D) and the nursery height (H) could he regarded as the indexes of the seedlings quality grading of Zanthxyhum planisnum var. dingtanenesis.

• 结果表明，地径(D)和苗高(H)对顶坛花椒苗木质量有很好的表达，可以作为苗木分级的质量指标。