冻害是北方落叶果树的主要天气灾害,几乎每年都有不同程度的发生,给果树生产带来一定的影响,有时造成减产甚至绝产。要把预防贯穿于生产管理过程始终,切实做到以防为主,才能把果树冻害损失降到最低程度。根据生产观察,现探讨分析冻害的类型及预防办法如下。冻害的种类1.芽冻害 Frost damage is the main weather disaster of northern deciduous fruit trees, occurring to varying degrees almost every year, bringing some impact to the production of fruit trees and sometimes causing reduced production or even absolute production. It is necessary to put prevention in the process of production and management from the very beginning and make sure that prevention is the priority, so as to minimize the loss of frost damage on fruit trees. According to the production observation, the type of the frost damage and the preventive measures are as follows. Frost damage types 1. Bud frost damage