论文部分内容阅读
１我国农业害虫防治现状６０年代末至今，我国农业害虫的治理主要以化学防治为主。化学农药在较长的一个时期内曾有效地控制住农业害虫的危害，为农业高产、稳产作出了巨大贡献。然而，长期使用农药已产生严重副作用：（１）使具有抗性基因的生理种群成为害虫优势种群，抗药性
1 Current Situation of Agricultural Pest Control in China Since the late 1960s, the control of agricultural pests in our country mainly consists of chemical control. Chemical pesticides have effectively controlled the harm of agricultural pests over a long period of time and have made tremendous contributions to high-yielding agriculture and stable production. However, long-term use of pesticides has had serious side effects: (1) making the physiological populations with resistance genes predominant pests, resistance