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: Angular leaf spot
HOST: Pumpkin
Leaf with lesions surrounded by light greenish halos.

Angular leaf spot | Pumpkin
DISEASE: Angular leaf spot
HOST: Pumpkin (Cucurbita pepo)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: A. Simkus, M. Shurtleff
DISEASE: Bacterial leaf spot
HOST: Alfalfa
Stems with necrotic lesions.

Bacterial leaf spot | Alfalfa
DISEASE: Bacterial leaf spot
HOST: Alfalfa (Medicago sativa)
PATHOGEN: Xanthomonas alfalfae subsp. alfalfae
PATHOGEN SYNONYM: Xanthomonas campestris pv. alfalfae
SOURCE: APS
DISEASE: Bacterial leaf spot
HOST: Alfalfa
Leaves with brown necrotic spots. Stems have water-soaked spots.

Bacterial leaf spot | Alfalfa
DISEASE: Bacterial leaf spot
HOST: Alfalfa (Medicago sativa)
PATHOGEN: Xanthomonas alfalfae subsp. alfalfae
PATHOGEN SYNONYM: Xanthomonas campestris pv. alfalfae
SOURCE: S. Thomson