果树病虫害的发生,大都遵守植物“物候期”这一规律。运用这一规律,做好果园的病虫害防治工作是非常重要的。一、芽鳞萌动期。刮老果树粗皮、除病源,查找腐烂病,把病斑刮成菱形、立茬,用“843”康复剂液涂治。 Pest occurrence of fruit trees, most comply with the plant “phenology ” this rule. Using this law, it is very important to do a good job in pest control of orchards. First, bud scales sprout period. Scrape the bark of the old fruit tree, in addition to the source of the disease, look for the rot disease, the lesion shaved diamond, stubble, with “843 ” rehabilitation agent solution coating.