七、抗性问题的解决途径我们应当尽力避免病原物对正在使用或将要使用的杀菌剂产生抗药性。基于抗性研究的现有成果和抗性产生的一般原理,美国佐治亚大学的 Littrell 提出了一个方案,其要点如下:①测定杀菌剂的一般作用方式; Seven, the solution to the problem of resistance We should try our best to avoid the pathogen against the fungicides being used or to be used. Based on the current results of resistance studies and the general principles of resistance generation, Littrell of the University of Georgia in the United States proposed a scheme that includes the following: (1) Determining the general mode of action of the bactericide;