减少农药残留及提高农药应用安全性的重要手段之一,是减少农药的用量。在施药过程中,人们一般都努力使药剂覆盖整个害虫栖境,由于雾滴飘移和其它环境因素的影响,到达生物靶体的农药量极低。在长期研究昆虫与植物的关系过程中,徐汉虹教授提出了导向农药的概念,即农药有效活性成分(活性弹头)与导向载体偶联后,能在植 One of the important means to reduce pesticide residues and improve the safety of pesticides is to reduce the amount of pesticides. In the application process, people generally try to make the agent cover the entire pest habitat. The amount of pesticide reaching the biological target body is extremely low due to the influence of the droplet drifting and other environmental factors. In the long-term study of the relationship between insects and plants, Professor Xu Hanhong proposed the concept of pesticide-oriented, that is, the effective pesticide active ingredient (active warhead) coupled with the targeting vector, can plant