DISEASE: Bacterial leaf spot
HOST: Hibiscus
Hibiscus leaves with large, black spots with chlorosis occurring near some lesions.
Bacterial leaf spot | Hibiscus
DISEASE: Bacterial leaf spot
HOST: Hibiscus (Hibiscus sp.)
PATHOGEN: Xanthomonas campestris pv. esculenti
SOURCE: R. Raabe
DISEASE: Bunch disease
HOST: Hickory
Bunch disease of shagbark hickory caused by a phytoplasma.
Bunch disease | Hickory
DISEASE: Bunch disease
HOST: Hickory (Carya sp.)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: P. Fenn
DISEASE: Halo blight
HOST: Coffee
Leaf with blackish lesions surrounded by yellow halos.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Young blighted coffee plant.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Stem blight stage of disease.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Coffee leaf with lesion on margin.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Halo blight infection of young seedlings.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan