玉米细菌性茎腐病发生及防治初报

The Occurrence and Control of Bacteral Stalk Rot of Com

１９９６年在桦甸市大面积发生玉米细菌性茎腐病，严重地块发病率达７１．４％，病情指数为２３．１８，病重植株导致死亡，对产量影响很大。品种间抗病性有很大差异，本育９、吉单１４１发病重。施用未腐熟农家肥或单施氮肥发病重。连作年限越长发病越重，而和地势、土壤种类、是否使用种衣剂、除草剂均无关。发病后用细菌清或农用链霉素防治效果好，不仅可预防还有治疗作用。

In 1996, the bacterial stalk rot occurred in Huadian city, the disease incidence of heavy region reached 71.4%,disease intensity was 23.18,Benyu 9 and Jidan 141 were more severity.When the disease occurred,use the bacterial clean or agricultural streptomycin to control the disease were effective,not only prevent the disease,but also a curative drug.