由于农药在果树上的反复使用,害虫越来越易产生抗药性,从而影响了果树的正常生长。我们应采取各种措施以避免害虫产生抗药性。 1.综合防治 在防治害虫过程中,不要单纯依靠化学农药,应采取农业、物理、生物等综合防治措施,使 Due to the repeated use of pesticides on fruit trees, pests are more and more susceptible to drug resistance, thus affecting the normal growth of fruit trees. We should take various measures to prevent pests from developing resistance. 1. Integrated control In the process of pest control, do not rely solely on chemical pesticides, should take agricultural, physical, biological and other integrated control measures so that