DISEASE: Bacterial leaf spot and blight
HOST: Fern
Leaf with small lesions that coalesced into large, reddish brown necrotic area.
Bacterial leaf spot and blight | Fern
DISEASE: Bacterial leaf spot and blight
HOST: Fern (Asplenium nidus)
PATHOGEN: Burkholderia gladioli pv. gladioli
PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli
SOURCE: APS
DISEASE: Bacterial leaf spot
HOST: Fern
Leaf with large, dark, longitudinal necrotic areas that differ from symptoms normally described for this disease.
Bacterial leaf spot | Fern
DISEASE: Bacterial leaf spot
HOST: Fern (Asplenium nidus)
PATHOGEN: Pseudomonas asplenii
SOURCE: R. Raabe
DISEASE: Bacterial soft rot
HOST: Orchid
Oncidium orchid with translucence and rot of central leaves.
Bacterial soft rot | Orchid
DISEASE: Bacterial soft rot
HOST: Orchid (Oncidium sp.)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: R. McMillan
DISEASE: Bacterial spot
HOST: Plum
Shot-hole phase of disease.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: T. Burr
DISEASE: Bacterial spot
HOST: Plum
Dark, sunken area on blossom end of fruit.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: S. Thomson
DISEASE: Bacterial spot
HOST: Plum
Dark brown necrotic lesions along main leaf vein. Lesions may drop off, leaving shot-hole effect.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: S. Thomson
DISEASE: Bacterial stem rot
HOST: Orchid
Oncidium orchid with rot at base of stem.
Bacterial stem rot | Orchid
DISEASE: Bacterial stem rot
HOST: Orchid (Oncidium sp.)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: A. Alvarez
DISEASE: Plum leaf scald
HOST: Plum
Leaf with large necrotic area.
Plum leaf scald | Plum
DISEASE: Plum leaf scald
HOST: Plum (Prunus domestica)
PATHOGEN: Xylella fastidiosa
SOURCE: B. Raju, M. Davis