Objective:To investigate the effects of top pruning on fruiting characters of Platycodon grandiflorum,and find the suitable stage,in which seed growth and development furtherly.

• 目的:探讨不同时期剪枝处理对桔梗结实特性的影响,找出促进桔梗种子生长发育的适宜时期,为桔梗的繁种提供参考。