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: Hawaiian ticktrefoil
Hawaiian ticktrefoil with orange-yellow lesions surrounded by broad yellow halos.

Bacterial leaf spot | Hawaiian ticktrefoil
DISEASE: Bacterial leaf spot
HOST: Hawaiian ticktrefoil (Desmodium sandwicense)
PATHOGEN: Xanthomonas axonopodis pv. desmodii
PATHOGEN SYNONYM: Xanthomonas campestris pv. desmodii
SOURCE: I. Buddenhagen
DISEASE: European stone fruit yellows
HOST: Almond
The disease causes yellowing and rolling of leaves (right). Leaves become thick and rough in texture. Healthy leaves (left).

European stone fruit yellows | Almond
DISEASE: European stone fruit yellows
HOST: Almond (Prunus dulcis)
PATHOGEN: 'Candidatus Phytoplasma prunorum'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: E. Seemueller