吐鲁番地区葡萄发生冻害的原因及预防措施

The Reason and Prevent Measure on Jelly Harm of Grape in Turpan

葡萄作为世界性的重要经济水果,价值很高,也是我国六大水果之一,长江南北普遍种植。随着气候的变化,葡萄的冻害也时有发生。它有外部因素和内部因素之分,发生冻害主要外部因素是管理水平、较长时间的低温和温度变化剧烈而引起的,其内部因素是植物体内的各种分泌激素、营养成分对葡萄有一定的抗性影响,植物体的不同部位和不同的品种间其受害程度也有所不同,还有一个直接原因是寒潮侵入的时间、强度、持续的时间长短,以及当时气象上的综合因素都是造成冻害较重的重要直接原因。

World and important and economic fruit in conduct and actions in grape, the value is very high, is also one of the flood fruits, Yangtze River south the north is widespread to plant the grapy jelly to harm. As the change of climate, grape＇s frost damage also occurs frequently. It has different from the cent of the internal factor, the occurrence jelly harms the main exterior factor is to manages the different from the temperature changes violently and cause of, its internal factor is a plant inside every kind of to secrete hormone, nourishment composition to the grape contain certain anti-affect, plant of part in level, long-playing low temperature with species in factor in exterior a time for its victimizing degree too having differently, still having a direct reason is every year cold wave invading, strength, time length and at that time weathers that keep on ascend of synthesize the factor to all result in the jelly harm the heavier and important direct reason.