果树日烧病的发生与防治￥河北沧州农业学校＠贾召庆＠韩淑贞果树日烧病的发生与防治果树日烧病，是因温度剧烈变化，致使相应组织细胞受伤，乃至死亡，苹果、梨、桃、葡萄均易发生，而且一年四季均可发生。一般冬春季日烧发生在枝干及大枝杈向阳面，由于白天升温解冻，晚上急剧... Fruit trees on the occurrence and prevention of burning ¥ Cangzhou Hebei Agricultural School @ Jia Zhaoqing Han Shuzhen fruit trees on the occurrence and prevention of disease Burning disease is due to dramatic temperature changes, resulting in the corresponding tissue injury, and even death, apple, pear, peach Grapes are easy to occur, and can occur throughout the year. The general winter spring burn occurs in the branches and large twigs to the sunny side, due to heat thaw during the day and night sharp ...