一、农药创制的特点1.需要考虑作用对象的生物多样性;2.需要考虑生态环境的多样性;3.需要考虑产品的高效性、安全性、经济性;4.需要考虑产品抗性问题;5.创制过程三高一长:(l)高投入:创制一个新品种,需要投入约2亿美元左右; First, the characteristics of pesticide creation 1. Need to consider the role of biological diversity; 2. Need to consider the diversity of the environment; 3. Need to consider the product’s efficiency, safety, economy; 4. Need to consider the issue of product resistance ; 5 the creation process of three high and one long: (l) high input: create a new variety, need to invest about 200 million US dollars;