秋末以后,果树上的各种害虫,以不同的虫态,陆续选择适宜自己生存的条件,安居下来越冬。来年春季,随着温度的增高,又陆续出蛰为害。因此,做好冬季病虫害的防治工作,减少病原菌及害虫的越冬基数十分重要。如果冬季防治工作做的好,就会有效的控制翌年病虫害的大量发生。具体 After the fall of the end of the year, all kinds of pests on the fruit trees, in different insect states, one after another to choose their own conditions for survival, live in winter. Spring next year, with the increase of temperature, but also one after another stung harm. Therefore, it is very important to prevent winter pests and diseases and reduce the overwintering base of pathogens and pests. If winter prevention and control work is done well, it will effectively control the mass pests and diseases of the following year. specific