DISEASE: Bacterial leaf spot
HOST: Fern
Fronds with diseased tips.
Bacterial leaf spot | Fern
DISEASE: Bacterial leaf spot
HOST: Fern (Davallia fejeensis)
PATHOGEN: Burkholderia gladioli pv. gladioli
PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli
SOURCE: APS
DISEASE: Crown gall
HOST: Euonymus
Dark, rough galls at base of euonymus.
Crown gall | Euonymus
DISEASE: Crown gall
HOST: Euonymus (Euonymus sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: L. Claflin
DISEASE: Pierce's disease
HOST: Grape
Late-season wood on diseased canes fail to mature, leaving green "islands" of tissue surrounded by dark brown, mature wood.
Pierce's disease | Grape
DISEASE: Pierce's disease
HOST: Grape (Vitis vinifera 'Fiesta')
PATHOGEN: Xylella fastidiosa
SOURCE: S. Purcell