DISEASE: Bacterial fasciation (Leafy gall)
HOST: Gladiolus
Bacterial fasciation of gladiolus.

Bacterial fasciation (Leafy gall) | Gladiolus
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Gladiolus (Gladiolus hortulanus)
PATHOGEN: Rhodococcus fascians
SOURCE: H. van Hoof, M. Geesteranus
DISEASE: Crown gall
HOST: Aspen
Aspen with large, encrusted gall.

Crown gall | Aspen
DISEASE: Crown gall
HOST: Aspen (Populus sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: S. Thomson
DISEASE: Fire blight
HOST: Photinia
Fire blight cankers on photinia.

Fire blight | Photinia
DISEASE: Fire blight
HOST: Photinia (Photinia fraseri)
PATHOGEN: Erwinia amylovora
SOURCE: M. Schroth