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农作物病虫害一直是人类的大敌,全世界每年因此损失的粮食约占总产量的50％以上,经济作物受损情况更是难以数计。千百年来,人们防治病虫害的手段不断更新。农药防治在一段时间内曾是一种行之有效的灭虫方法。
Crop pests and diseases have always been the enemy of mankind. As a result, the annual food losses in the world account for more than 50% of the total output and the damage to cash crops is even more difficult to count. For thousands of years, people’s means of pest control have been constantly updated. Pesticide control has been an effective pest control method for a period of time.