DISEASE: Bacterial blight
HOST: Iris
Iris with irregularly shaped, water-soaked lesions and blighted leaves.

Bacterial blight | Iris
DISEASE: Bacterial blight
HOST: Iris (Iris tectorum)
PATHOGEN: Xanthomonas campestris pv. tardicrescens
SOURCE: M. Goto
DISEASE: Blister spot
HOST: Apple
Late stage of blister spot. The purplish black lesions are associated with lenticels and stomata.

Blister spot | Apple
DISEASE: Blister spot
HOST: Apple (Malus domestica 'Crispin')
PATHOGEN: Pseudomonas syringae pv. papulans
SOURCE: T. Burr
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