Branching power: the buds on the growing branches not only germinate but also have the ability to grow branches, which is called branching power. Tree species with strong germination ability and strong branching ability have dense crowns and fast growth of young trees, such as Platanus acerifolia and peach trees. Closing the crown prematurely will affect ventilation and light transmission. If the shape is improper, it will easily lead to premature aging of internal short branches; On the contrary, the branching ability is weak, the crown is sparse, the molding is slow, the shading effect is poor, but the ventilation and light transmission are good (Ginkgo biloba, Xifu Begonia).

Germination ability: the germination ability of buds on annual branches, called germination ability, is usually expressed by the percentage of germination to total buds. Where more than half of the leaf buds on the branches can germinate, the germination ability is strong or the germination rate is high, such as Platanus acerifolia, peach trees, elms and so on. Otherwise, the germination potential is weak or the germination rate is low, such as Platanus acerifolia and Magnolia grandiflora.