1987年,我场种植的2000余亩玉米普遍发生萎蔫病。经华中农大王铨茂教授鉴定病源为串珠镰刀菌(Fusarium monifirme)。 病株最初白天萎蔫,夜晚恢复,随着病情加重不再恢复,最后全株枯死。剖视茎秆,维管束变褐,用手挤压无菌脓流出;叶部病斑初期呈青枯状,后变枯褐色,似开水烫过, In 1987, more than 2000 acres of corn planted in our field were wilted. The huazhongnongdao Professor Wang Quanmao identified pathogen Fusarium moniliforme (Fusarium monifirme). The diseased plant wilted during the first days of the day, recovered at night, no longer resumed as the disease progressed, and finally the whole plant died. Section stalks, vascular bundles browning, extrusion squeeze sterile pus; leaf lesions early brownish-yellow, after the change of dry brown, like boiling water over,