巴州果树冻害的成因分析

近年来，巴州地区接连不断的发生了几次较大的果树冻害事件，对巴州林果业的发展带来不利影响。本文搜集了巴州地区建国以来果树冻害资料并对其进行了整理和统计，从果树生理、果园管理、气象条件角度对历年来果树冻害进行了分析，结果表明：巴州地区果树冻害发生的频率加快，冻害温度指标上升，与气候变暖有很大的关系。

Analysis of Fruit Tree Freeze Injury in Bazhou Area

Recent years, there are several strong fruit tree freeze injury events to be caused disadvantageous influence on the development of fruit tree in Bazhou Area. Based on the statistics on fruit tree freeze injury data from 1949 to 2008, the physiology of fruit tree and the orchard management as well as weather conditions were analyzed. The results show that the happening frequency of fruit tree freeze injury becomes faster and its temperature index increase, and the climate significant warming has the primary impact on freeze injury.