感染叶斑病、疫病、炭疽病或叶枯病的大花蕙兰,除药物防治外,及时清除病斑十分重要。割除病斑并不复杂,但需仔细、认真地按操作规程进行。夏季露天栽培的,割病叶要避开阴雨天和早晨露水未干时。晴天的上午至下午4点进行最好。温室内栽培的,要避免浇水、喷水加湿前后操作,以免病菌传播。用双面或单面刀片都可以,长度 Cymbidium infected leaf spot, disease, anthracnose or leaf blight, in addition to drug control, the timely removal of the lesion is very important. Excision of lesion is not complicated, but need to be carefully and carefully according to the rules. Summer open-air cultivation, cutting sick leaves to avoid rainy days and morning dew did not dry. Sunny morning to 4 pm for the best. Cultivation in the greenhouse, to avoid watering, water spray humidification before and after operation, so as to prevent the spread of germs. With double-sided or single-sided blade can be, length