DISEASE: Angular leaf spot
HOST: Cucumber
Yellowish diseased cucumbers with bacterial ooze.
![](/sites/default/files/plant_disease/images/0348.jpg)
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.
![](/sites/default/files/plant_disease/images/0349.jpg)
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.
![](/sites/default/files/plant_disease/images/0350.jpg)
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.
![](/sites/default/files/plant_disease/images/0351.jpg)
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.
![](/sites/default/files/plant_disease/images/0352.jpg)
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.
![](/sites/default/files/plant_disease/images/0353.jpg)
Angular leaf spot | Cucumber
DISEASE: Angular leaf spot
HOST: Cucumber (Cucumis sativus)
PATHOGEN: Pseudomonas syringae pv. lachrymans
SOURCE: N. Tisserat, L. Claflin
DISEASE: Pear decline
HOST: Pear
'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.
![](/sites/default/files/plant_disease/images/0697.jpg)
Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis 'Bartlett')
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: C. Smart