Three viruses causing mosaic symptoms on Dahlia pinnata cav. in Beijing 北京引致大丽菊花叶症的三种病毒
Dahlia ( Dahlia pinnata Cav) possess good ornamental characteristics for abundant shapes and colors of the petal, so it is widely used for landscape plants cultivation and cut flower. 大丽菊(DahliapinnataCav)因花型丰富、花色多样及色彩鲜艳而极具观赏性,在园林植物栽培与鲜切花中被广泛运用。