Breaking the Seed Dormancy and Stimulating the Seed Germination of Gleditsia sinensis

The results showed that the seed dormancy of Gleditsia sinensis could be broken through corrosion with high concentrated H_2SO_4 for 8 hours and then with the seeds were soaked in solution of gibberellin for 36 h. The germination results were obtained through culturing the seeds in darkness under 15 ℃,in light under 8 h,and in humidity under 90%.The bud rate,the average time of the bud,the bud index,the germinate rate and the simple vigor index were 93.30%,5.61 d,2.66,64.47%,1.66 respectively.