Diseases of Delphinium

1060. Delphinium caucasicum C.A.Mey: Ranunculaceae

“…delphinii ), causing tar‐like irregular pots on the foliage; Downy Mildew ( Peronospora ficariae ), causing large light green patches on leaves, turning dark‐blackish green; and various root and crown rots. A number of viruses causing mottling, mosaic and chlorosis symptoms are also well documented on Delphinium spp., greatly affecting plant vigour (Wegulo, 2018). Thankfully few of these diseases have been experienced within the collections at Kew; however, it is important to be aware of them and to monitor the plants carefully.…”