Abstract: Exogenous hormones in medium for propogation of Pyrus.spp plantlet caused endogenous hormones changed and led to subculture plantlet proliferating and growing.

• 摘 要：砀山酥梨脱病毒苗培养基中添加外源激素能通过调节内源激素的含量，从而控制脱病毒苗的增殖和生长。