[Objective]The research was to study effects of SA on endogenous hormone content and preservation effect of Dong jujube.[Method]Dong jujube was spayed with SA at different concentrations(20,40,80 and 120 mg/L),and clear water was used as control.During the storage at 10℃,contents of gibberellin(GA),auxin(IAA),zeatin riboside(ZR),abscisic acid(ABA) and indexes of storage quality of Dong jujube were determined at day 1,5,9,13,17and 21 respectively.[Result]Suitable concentration of SA could increase GA,IAA and...