Therefore, cultivating resistant rice and making use of predatory insect were considered as two effective measures, the basic demand of IPM is bringing into play controlling pest to cooperate with the two measures.

• 因此，培育抗性品种与利用天敌作为控制害虫的两大重要措施，发挥两者对害虫的协同控制作用是害虫综合治理的基本要求。