DISEASE: Angular leaf spot
HOST: Cucumber
Yellowish diseased cucumbers with bacterial ooze.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: B. Jacobsen, M. Shurtleff
DISEASE: Angular leaf spot
HOST: Cucumber
Cucumber leaves with angular, tan lesions of various sizes.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: M. Goto
DISEASE: Angular leaf spot
HOST: Cucumber
Cucumber leaf with water-soaked lesions. Lesions extend until they meet a secondary vein, resulting in angular appearance.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: S. Thomson
DISEASE: Angular leaf spot
HOST: Cucumber
Cucumber leaf with dark lesions surrounded by halos, another common symptom.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: J. Young
DISEASE: Angular leaf spot
HOST: Cucumber
Leaves with yellowish, angular spots.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: J. Young
DISEASE: Angular leaf spot
HOST: Cucumber
Angular necrotic spots delimited by leaf veins.
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: N. Tisserat, L. Claflin
DISEASE: Bacterial blast
HOST: Pear
The bacterium infects all flower parts and may spread and kill the entire spur.
Bacterial blast | Pear
DISEASE: Bacterial blast
HOST: Pear (Pyrus communis)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: W. Sinclair
DISEASE: Bacterial stem and root rot
HOST: Sweet potato
Collapse of stems and roots caused by systemic activity of the pathogen.
Bacterial stem and root rot | Sweet potato
DISEASE: Bacterial stem and root rot
HOST: Sweet potato (Ipomoea batatas)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: N. Schaad
DISEASE: Bacterial stem and root rot
HOST: Sweet potato
Rot and collapse of stem, petioles, and leaves caused by systemic infection.
Bacterial stem and root rot | Sweet potato
DISEASE: Bacterial stem and root rot
HOST: Sweet potato (Ipomoea batatas)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: N. Schaad