在防治果树病虫害的方法上,化学防治是很重要的一环。目前东北果树区虽然每年有大批的药剂用在防治果树病虫害上,但常常由于使用方法上存在着一些技术问题,不但不能很好的发挥药剂的杀虫杀菌作用,反有造成药害的现象。为此,将我们混合使用几种药剂的经验介绍在下面供各地参考。 In the prevention and control of fruit tree pests and diseases, chemical control is a very important part. At present, although there are a large number of pesticides used in fruit tree pests and diseases prevention and control in northeast China’s fruit tree area each year, there are some technical problems that often result from the use of pesticides. Not only do they fail to exert their insecticidal and bactericidal effects but also cause phytotoxicity. For this reason, we have mixed the experience of several agents introduced below for reference.