近年来,鲁南地区的滕州市、平邑县等马铃薯种植面积较大的地方,夏玉米细菌性茎腐病发生加重,特别是夏玉米晚播地块(主要是6月下旬至7月上旬播种的、前茬作物为马铃薯的地块),细菌性茎腐病发病率较高,多数地块病株率10%～60%,少数地块达到90%,近乎绝产。夏玉米细菌性茎腐病已成为黄淮海地区夏玉米生产 In recent years, Lunan Prefecture of Tengzhou City, Pingyi County, potato planting area larger places, summer corn bacterial stalk rot occurred, especially the summer corn late sowing plots (mainly in late June to early July Sowing, the former crop of potato plots), the higher the incidence of bacterial stem rot, most of the plots rate of 10% to 60%, a few plots reached 90%, almost abortion. Summer corn bacterial stalk rot has become the summer and summer Huang-Huai-Hai production