白粉病是植物病害中种类较多,发生普遍和蔓延迅速的病害之一。此类病害种类在本区亦相当丰富,1985年我们对前十年间所采集的标本121号进行了初步整理鉴定,共定出自粉病原8属28种(危害林果的19种,牧草6种,其它3种),涉及寄主34种,其中有些种类也是当前生产中的严重灾害。现将鉴定名录列述如后,供进一步研究及防治 Powdery mildew is one of the diseases with more species, rapid occurrence and spread in plant diseases. The types of such diseases are also very rich in this area. In 1985, we first conducted preliminary identification of 121 samples collected from the past ten years, and identified 28 species of 8 genera (powdery mildew, 19 species and 6 species of pasture) , Three other species) involving 34 species of hosts, some of which are also serious catastrophes in current production. Now the identification list is listed as after for further study and prevention