First report of Eggplant mottled dwarf virus causing flower breaking and vein clearing in Hydrangea macrophylla in Germany

摘要

In May 2013, an unknown disease was observed in hydrangea (Hydrangea macrophylla) in a nursery in North Rhine-Westphalia, Germany. Symptoms observed consisted of flower breaking (Fig. 1) and vein clearing/banding (Fig. 2). Hydrangea, native to Japan, is a deciduous shrub which is mainly used in landscaping as bedding plant or at borders. Many cultivars are of economic importance mainly due to the decorative flowers.