By soaking Oriental Lilium siberia seed balls with GA3 solutions of different concentration,combined with cold storage,the effects of external gibberellins on bulb carbohydrate metabolism and endogenous hormone balance were studied.The results showed that the concentration of GA3 was high all long during the process of breaking dormancy,ZR was opposite;the concentration of soluble total sugar,IAA,GA3 and ZR were all higher than cold storage in initial stage,and starch and ABA were decreased.By correlation a...