DISEASE: Bacterial leaf blight
HOST: Konjac (Devil's tongue)
Severely blighted leaves of konjac.

Bacterial leaf blight | Konjac (Devil's tongue)
DISEASE: Bacterial leaf blight
HOST: Konjac (Devil's tongue) (Amorphophallus konjaci)
PATHOGEN: Acidovorax konjaci
PATHOGEN SYNONYM: Pseudomonas avenae subsp. konjaci
SOURCE: N. Hayashi, M. Goto
DISEASE: Bacterial leaf spot
HOST: Ivy
English ivy leaves with typical chlorotic halos around spots.

Bacterial leaf spot | Ivy
DISEASE: Bacterial leaf spot
HOST: Ivy (Hedera helix)
PATHOGEN: Xanthomonas hortorum pv. hederae
PATHOGEN SYNONYM: Xanthomonas campestris pv. hederae
SOURCE: S. Thomson
DISEASE: Foamy canker
HOST: Koa
Foamy canker of koa is associated with bacteria and yeast. The causal agent has not been identified.

Foamy canker | Koa
DISEASE: Foamy canker
HOST: Koa (Acacia koa)
PATHOGEN: Causal agent unknown
SOURCE: H. Keyser