Jujube,Zizyphus jujuba Mill belong to Generus Zizyphus jujuba Mill of Rhamnaceae.Fresh jujube,which is thin pericarp,has abundant syrup and particular flavor.It has been hotspot in the development of fruit tree in rencent years. In this study, Zizyphus Jujuba Var.inermis Lubei-Dongzao, Zizyphus Jujuba Var.inermis Beijing-Jidanzao and Zizyphus Jujuba Var.inermis Xianyou-3 are selected as test material,which carried out during May to October in2009. Their photosynthesis、leaf anatomical characteristics and chl...