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
Fronds with diseased tips.
Bacterial leaf spot | Fern
DISEASE: Bacterial leaf spot
HOST: Fern (Davallia fejeensis)
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 leaf spot
HOST: Fern
Frond with brown necrotic spots.
Bacterial leaf spot | Fern
DISEASE: Bacterial leaf spot
HOST: Fern (Platycerium bifurcatum)
PATHOGEN: Burkholderia gladioli pv. gladioli
PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli
SOURCE: APS
DISEASE: Bacterial leaf spot
HOST: Nephthytis
Leaf with concentric rings of dark tissues. There has been confusion of the causal agent with Dickeya sp., which also causes mushy leaf spots.
Bacterial leaf spot | Nephthytis
DISEASE: Bacterial leaf spot
HOST: Nephthytis (Syngonium podophyllum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: A. Chase
DISEASE: Bacterial leaf spot
HOST: Nephthytis
Water-soaked tissues and large, dark brown necrotic areas at leaf margins. Healthy (center leaf).
Bacterial leaf spot | Nephthytis
DISEASE: Bacterial leaf spot
HOST: Nephthytis (Syngonium podophyllum)
PATHOGEN: Pseudomonas cichorii
SOURCE: S. Thomson
DISEASE: Gumming disease
HOST: Sugarcane
Symptoms include brownish red streaks on leaves with apical chlorosis. Streaks become necrotic with time. Plants are stunted with reddening of vascular bundles.
Gumming disease | Sugarcane
DISEASE: Gumming disease
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas axonopodis pv. vasculorum
PATHOGEN SYNONYM: Xanthomonas campestris pv. vasculorum
SOURCE: APS
DISEASE: Leaf scald
HOST: Sugarcane
Leaf symptoms of chlorosis and white, "pencil-line" streaks.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch
DISEASE: Leaf scald
HOST: Sugarcane
Early stage of disease with white, "pencil-line" streaks on leaf.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch