用乙醇温浸法提取瑞香狼毒根的活性物质,对11种常见植物病害的病原菌,采用生长速率法进行抑菌活性测定。结果表明,乙醇提取液中存在抑菌活性物质,对油菜菌核病菌、辣椒疫病菌、番茄早疫病菌、草莓灰霉病菌的抑制效果较好,对其他几种病菌也表现出一定的抑制作用。 The active substances of root of Stellera chamaejasme were extracted by ethanol soaking method. The pathogenic bacteria of 11 kinds of common plant diseases were determined by growth rate method. The results showed that there was antibacterial active substance in ethanol extract, which had good inhibitory effect on Sclerotinia sclerotiorum, Phytophthora capsici, Alternaria solani and Botrytis cinerea, but also inhibited some other pathogens. .