DISEASE: Bacterial leaf blight
HOST: Carrot
Bacterial ooze on flower stalk from systemic invasion of the pathogen.
Bacterial leaf blight | Carrot
DISEASE: Bacterial leaf blight
HOST: Carrot (Daucus carota)
PATHOGEN: Xanthomonas hortorum pv. carotae
PATHOGEN SYNONYM: Xanthomonas campestris pv. carotae
SOURCE: APS
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion
The disease is characterized by dark spots on wrapper scales and/or reddish brown discoloration of inner scales.
Bacterial leaf streak and bulb rot | Onion
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion (Allium cepa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion
Onion with dead and rotted leaf at base of stem. Typical symptoms are water-soaked, dark green lesions that become oval with time, along with streaks and tipburn.
Bacterial leaf streak and bulb rot | Onion
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion (Allium cepa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: H. Schwartz
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion
Browning and decay of bulb following inoculation with Pseudomonas viridiflava.
Bacterial leaf streak and bulb rot | Onion
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion (Allium cepa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion
Close-up of diseased leaves.
Bacterial leaf streak and bulb rot | Onion
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion (Allium cepa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion
Bulb rot with gray, bluish symptoms. Reddish brown discolorations also may occur.
Bacterial leaf streak and bulb rot | Onion
DISEASE: Bacterial leaf streak and bulb rot
HOST: Onion (Allium cepa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: R. Gitaitis
DISEASE: Bacterial soft rot
HOST: Carrot
Carrots with advanced stage of soft rot. Lesions on taproots are sunken and dull orange. The epidermis may stay intact in early stages of disease.
Bacterial soft rot | Carrot
DISEASE: Bacterial soft rot
HOST: Carrot (Daucus carota)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: APS
DISEASE: Bacterial soft rot
HOST: Onion
Soft rot infection of leaves.
Bacterial soft rot | Onion
DISEASE: Bacterial soft rot
HOST: Onion (Allium cepa)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: S. Mohan
DISEASE: Bacterial soft rot
HOST: Onion
Onion with bulb, stem, and leaf infections.
Bacterial soft rot | Onion
DISEASE: Bacterial soft rot
HOST: Onion (Allium cepa)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: S. Mohan