冬季棚（室）生产黄瓜常常受低温冷害袭击,轻则造成黄瓜减产,重则整株死亡,造成严重的经济损失。据调查:造成冷害的直接原因是骤然降温和持续阴天得不到光照,失去热量来源造成的。其防治方法是:一、及时揭盖草苫在外界气温发生较大变化时,覆盖草苫可以起到保温作用。当天气晴转 Winter shed (room) production of cucumber is often attacked by cold damage, ranging from the cucumber cut, while the whole plant died, causing serious economic losses. According to the survey: the direct cause of chilling injury is a sudden cooling and continuous lack of light on the cloudy day, resulting from the loss of calories. The prevention and cure methods are as follows: First, in time, when the temperature of the external climate changes greatly, the grass cover can play the role of heat preservation. When the weather is clear