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百合丛簇病毒(Lily rossete virus)在兰州和北京市郊栽培的兰州百合(Cilium davidi var.unicolor)常有发生。发病率一般为2—8.5%,最高达18%。茎呈扁平状,直径约5cm,最窄可达8cm左
Lily rossete virus Cilium davidi var. Unicolor cultivated in Lanzhou and the suburbs of Beijing often occurs. The incidence is generally 2-8.5%, up to 18%. Stem was flat, diameter of about 5cm, the narrowest of up to 8cm left