近年来由于种植结构的调整和气候变化,玉米细菌性茎腐病已由常年的偶发性病害,上升为玉米生产的重要病害,并且有逐年加重的趋势。该病一旦发生即发展迅速,危害重,发生后轻者减产10%~30%,重者达50%以上。玉米茎腐病又称茎基腐病,成株期茎基部腐烂是该病的主要特征,现将其发生症状与防治方法介绍如下。病害症状。该病是细菌引起的一种病害,其发生症状类型较多,田间常见的是软腐型和晚枯型两种,软腐型早于 In recent years due to the adjustment of planting structure and climate change, corn bacterial stalk rot has risen from perennial accidental diseases to maize production, and has been increasing year by year. The rapid development of the disease once it occurs, endangering heavy, after the occurrence of light 10% to 30%, severe cases of more than 50%. Corn stalk rot, also known as stem rot, adult stem base rot is the main feature of the disease, now its symptoms and prevention methods are described below. Disease symptoms. The disease is caused by a disease of bacteria, the occurrence of symptoms are more common in the field are soft rot and late dry two, soft rot early than