DISEASE: Bacterial dieback of nectarine
HOST: Nectarine
Discolored tissues of crown and roots were caused by systemic invasion of the pathogen.

Bacterial dieback of nectarine | Nectarine
DISEASE: Bacterial dieback of nectarine
HOST: Nectarine (Prunus persica 'Fantasia')
PATHOGEN: Pseudomonas syringae pv. persicae
SOURCE: J. Young
DISEASE: Bacterial leaf spot and blight
HOST: Parsley
Blighted leaves with large, brown necrotic areas.

Bacterial leaf spot and blight | Parsley
DISEASE: Bacterial leaf spot and blight
HOST: Parsley (Petroselinum crispum)
PATHOGEN: Pseudomonas syringae pv. apii
SOURCE: APS
DISEASE: Oak leaf scorch
HOST: Oak
Leaf with brown, marginal necrosis resembling a burn.

Oak leaf scorch | Oak
DISEASE: Oak leaf scorch
HOST: Oak (Quercus rubra)
PATHOGEN: Xylella fastidiosa
SOURCE: W. Sinclair