(2) Promote the plants to enter the flowering and fruiting period as soon as possible, control the flowering period and adjust the fruiting amount.
(3) Inducing senescence plants to renew and rejuvenate. After plant aging, a large number of peripheral branches die, the main branches are incomplete, the crown is irregular, the amount of flowers and fruits decreases, and the ornamental effect decreases or disappears.
(4) Improve the light transmission conditions and improve the ability of plants to resist diseases and insect pests and lodging.
(5) Control the growth direction of branches through modeling, so as to satisfy people's design concept of beautifying modeling.
The basic pruning techniques include thinning, cutting, coring, leaf wiping, bud peeling, peeling and bundling. Among them, thinning, short cutting and coring are the most commonly used methods.