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用向日葵锈病病菌(Puccinia helianthi Schw)和25%粉锈宁WP为供试材料,采用单株(单叶片)施药法,人工接种病原菌,作农药药效试验。结果表明,这种方法简便宜行,是一种测定农药药效的可选方法。
The pathogen was artificially inoculated with Puccinia helianthi Schw. And 25% Fenixin WP by single (single leaf) application method, and the pesticide efficacy test was conducted. The results show that this method is simple and inexpensive, is an optional method to determine the efficacy of pesticides.