香蕉丝核腐烂病是由立枯丝核菌侵染香蕉组培苗引起的一种真菌性新病害。近年已在广西南宁、隆安、虽宁、武鸣、田东等县（市）的香蕉组培苗大棚生产基地中发生，造成较大的经济损失。成为香蕉组培苗大棚生产的重要病害。病害初次侵染来源于带病的泥土、肥料及曾被感染的其他植 Banana filamentous rot is a new fungal disease caused by Rhizoctonia solani infection of banana tissue culture seedlings. In recent years, Nanning, Longan, Guangxi, although Ning, Wuming, Tiandong (banana) plantation greenhouse production base in the county, resulting in greater economic losses. Become a banana tissue culture greenhouse production of important diseases. The initial infestation of the disease comes from diseased soil, fertilizers and other plants that have been infected