１新农药开发的概况 尽管新农药开发的难度越来越大，要求越来越高，但世界不少大型农药公司和从事农药研究开发的研究院所及大专院校仍积极致力于新农药产品的研究与开发，并保持着相当的活力，从而使新的农药产品不断地源源而生。这是由于世界的大型农药公司充分意识到新农药 1 Overview of the Development of New Pesticides Although the development of new pesticides is more and more difficult and the requirements are getting higher and higher, many large-scale pesticide companies in the world and research institutions and tertiary institutions engaged in pesticide research and development are still actively engaged in new pesticide products Of the research and development, and maintain a considerable vitality, so that new pesticide products continue to be born. This is due to the fact that the world’s largest pesticide companies are fully aware of new pesticides