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近年来,由于推广抗大、小斑病以及丝黑穗病的玉米和种植面积的不断扩大,玉米茎基腐病已由次要病害上升为主要病害。此病又称青枯病、茎腐病和黑束病,全世界已有20余个国家进行过报道,其中发生较重的有美国、加拿大、印度、法国等,病区发生率常年在10—20％左右。近年来,该病在我国山东、山西、广西、云南、河北、陕西、辽宁、吉林、黑龙江以及河南等地也有不同程度的发生,发病率多在10—20％左右,重者可达50％以上。
In recent years, due to the promotion of resistance to large and small leaf spot and head smut corn and planting area continues to expand, corn stem rot has increased from a minor disease to a major disease. The disease, also known as bacterial wilt, stalk rot and black bundle disease, has been reported in more than 20 countries in the world. Among them, the United States, Canada, India and France are the heaviest ones. The incidence of wards is 10 -20% or so. In recent years, the disease in our country Shandong, Shanxi, Guangxi, Yunnan, Hebei, Shaanxi, Liaoning, Jilin, Heilongjiang and Henan and other places also have varying degrees of occurrence, the incidence of more than about 10-20%, severe cases up to 50% the above.