DISEASE: Bacterial brown spot
HOST: Bean
Bean with water-soaked and necrotic lesions on pods and leaves.
Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Common bean with necrotic lesions on upper and lower surfaces of leaves. Lesions often are surrounded by bright yellow zones (not shown).
Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Leaves of common bean with shot-holes, a late stage of disease.
Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Leaves of dwarf bean exhibiting late stage of disease.
Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: J. Young
DISEASE: Bacterial brown spot
HOST: Mallotus
Leaf with small, rustylike lesions.
Bacterial brown spot | Mallotus
DISEASE: Bacterial brown spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Xanthomonas campestris pv. malloti
SOURCE: M. Goto
DISEASE: Bacterial brown spot
HOST: Mallotus
Leaf with tiny, light brown spots surrounded by chlorotic zones.
Bacterial brown spot | Mallotus
DISEASE: Bacterial brown spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Xanthomonas campestris pv. malloti
SOURCE: M. Kobayashi, M. Goto
DISEASE: Bacterial fasciation
HOST: Geranium
Plant with proliferation of shoots at crown.
Bacterial fasciation | Geranium
DISEASE: Bacterial fasciation
HOST: Geranium (Pelargonium grandiflorum)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Daughtrey
DISEASE: Bacterial fasciation
HOST: Papaya
Fasciation symptoms of papaya. Causal agent is unknown.
Bacterial fasciation | Papaya
DISEASE: Bacterial fasciation
HOST: Papaya (Carica papaya)
PATHOGEN: Causal agent unknown
SOURCE: A. Alvarez
DISEASE: Brown line and decline
HOST: Almond
Stunted and yellowish diseased tree. Such trees produce little to no growth and decline rapidly.
Brown line and decline | Almond
DISEASE: Brown line and decline
HOST: Almond (Prunus dulcis)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: B. Teviotdale