In order to gain a deeper understanding on dormancy mechanism of hawthorn seed,endocarp,seed capsule and embryo were soaked in 80% methanol solution to extract inhibitory substances,taking wild hawthorn seeds as materials,and effects of extracts on germination rate of cabbage seed were researched.

In order to learn dormancy mechanism of hawthorn seed,effects of stratification and hormone treatments on physiological and biochemical indexes of hawthorn seeds stratified for one winter were researched,which were treated with 200 mg/L GA3and ABA respectively.

In vitro Propagation of Crataegus monogyna;