在我国已发现的七十多种植物病原细菌中,引起严重植物病害的就有十几种。无论是大田作物还是果树、蔬菜,都有一种或几种细菌病害,其中以禾本科、豆科和茄科植物发生最多,有时一种作物可以发生三、四种以上,例如我们经常见到的马铃薯环腐病、黑胫病,小麦的黑颖病、密穗病,高粱条纹病,粟褐条病,玉米萎蔫病,蔬菜上的软腐病、青枯病、菜豆疫病,甜菜上的斑点病,果树上的溃疡病、根癌病、毛根病、穿孔病等。 More than seventy kinds of plant pathogenic bacteria that have been found in our country have caused dozens of serious plant diseases. There are one or more bacterial diseases in field crops, fruit trees and vegetables. Among them, Gramineae, Leguminosae and Solanaceae plants occur the most. Sometimes three crops or more crops can occur. For example, we often see Potato ring rot, black shank, wheat black feather, spike, sorghum streak, corn streak, corn wilt disease, soft rot on vegetables, bacterial wilt, bean disease, spots on beets Diseases, fruit tree ulcer disease, root cancer, hair root disease, perforation and so on.