The pruning time is mainly in winter, until the leaves fall off naturally and continue to sprout in the next year, this time is OK. The main principle of pruning branches is to remove the weak and weak branches, leave the strong and strong branches, observe the situation of the whole plant, first remove the withered and yellow branches, and do not stay on them. It can't be allowed to grow all the time. In the process of growing, gradually remove the incongruous and unsatisfactory branches, and finally ensure to leave the thick branches.
About the shape aspect pruning, mainly is carries on according to two kinds of tree shape.
1. Clump tree: this kind of tree is suitable for small trees and can adapt to windy places. Annual pruning needs to remove old branches, leave new branches, and remove weak branches, which can ensure ventilation and light transmission, promote the growth of trees, and also deal with withered and yellow branches, Cross branches, which is also helpful for yield.
2. Tree shape: this kind of tree is suitable for flat and windless places. First, determine the shape of the tree body. According to the shape, it can be trimmed into flag shape, spinning vertical shape, cup shape, trunk layered shape, etc..
