君子兰腐烂病是由叫做欧氏杆菌的一类细菌侵入君子兰体内引起的。病菌在生病的叶片和腐烂后的病叶残体上越冬。春暖后,病菌靠雨水溅到叶片上,从伤口或其它孔口侵入叶片组织中的导管内,在温暖、潮湿、通风不良的条件下,细菌大量繁殖,破坏导管壁并向四周浸润,初期表现为水渍状的小斑, Clitocypris decay is caused by a species of bacteria called Europaea that invades Clivia. Germs in wintering leaves and decomposed diseased leaf winters. After the warm spring, the bacteria splashed on the leaves by rainwater and invaded into the ducts in the tissue of the leaves from wounds or other orifices. Under warm, humid and poorly ventilated conditions, the bacteria multiply, destroying the catheter wall and infiltrating into the periphery, and the initial performance Water-like small spots,