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(1)软腐病:此病多从伤口侵染,一般发生在下层的叶鞘部位。开始时病斑就象在叶片上洒了几滴油,色淡黄,呈水渍状病斑。向四周扩散后往往连成一片,呈不规则状,逐渐变褐软腐。在环境条件适宜时病害发展迅速,病叶腐烂枯死。夏季高温多湿,空气不流通,施入未腐熟肥料等都易发病。此病是由细菌侵染后引起的。防治方法:加强栽培管理,不要施用未腐熟肥料;
(1) soft rot: the disease mostly from wound infection, usually occurs in the lower part of the leaf sheath. Lesions at the beginning like a few drops of oil sprinkled on the leaves, color yellow, was water stain-like lesions. After the spread to the surrounding often one piece, was irregular, gradually brown soft rot. When the environmental conditions suitable for the rapid development of disease, sick leaves decay dead. High temperature and humidity in summer, the air is not circulated, applied to the maturity of fertilizer are easy to disease. The disease is caused by bacterial infection. Prevention and treatment methods: strengthen cultivation and management, do not apply not rotten fertilizer;