DISEASE: Bacterial leaf spot
HOST: Snapdragon
Leaves with large necrotic areas with brownish centers and purplish margins. Lesions are slightly sunken.
![](/sites/default/files/plant_disease/images/0846.jpg)
Bacterial leaf spot | Snapdragon
DISEASE: Bacterial leaf spot
HOST: Snapdragon (Antirrhinum majus)
PATHOGEN: Pseudomonas syringae pv. antirrhini
SOURCE: R. Raabe
DISEASE: Halo blight
HOST: Bean
Chlorotic, systemic symptoms with necrotic lesions on leaves of 'Romano' common bean.
![](/sites/default/files/plant_disease/images/0121.jpg)
Halo blight | Bean
DISEASE: Halo blight
HOST: Bean (Phaseolus vulgaris 'Romano')
PATHOGEN: Pseudomonas syringae pv. phaseolicola
PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola
SOURCE: M. Schroth
DISEASE: Halo blight
HOST: Bean
Chlorotic, systemic symptoms with no visible lesions on leaves of 'Romano' common bean.
![](/sites/default/files/plant_disease/images/0123.jpg)
Halo blight | Bean
DISEASE: Halo blight
HOST: Bean (Phaseolus vulgaris 'Romano')
PATHOGEN: Pseudomonas syringae pv. phaseolicola
PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola
SOURCE: M. Schroth