先正达(中国)投资有限公司植保产品安全管理经理王雯娟:开发一个新的农药品种要耗费几千万、甚至上亿美元,但农药对有害生物的作用靶标是有限的,可以开发的农药种类也是有限的。如果一个农药品种因为抗药性增长而很快失去使用价值,或者当某种农药抗药性效果下降时,属于同一种类的农药品种的药剂效果也会下降,无疑对于研发和生产这种农药的投入来说是一种巨大的浪费。因此,培训指导农民安全科学 Wang Wenjuan, manager of plant protection product safety management at Syngenta (China) Investment Co., Ltd .: Developing a new pesticide variety can cost tens of millions or even hundreds of millions of dollars. However, pesticide targets for pests are limited. Pesticide types that can be developed It is also limited. If a pesticide variety quickly loses its value because of resistance growth or when the pesticidal resistance of a pesticide decreases, the effectiveness of the pesticides belonging to the same type of pesticide will also decrease, undoubtedly for the R & D and production of such pesticides That is a huge waste. Therefore, training guides peasant safety science