DISEASE: Bacterial blight
HOST: Parsnip
Parsnip with severe blight symptoms. There also is browning of the vascular system. Rot may progress from the crown into roots.
Bacterial blight | Parsnip
DISEASE: Bacterial blight
HOST: Parsnip (Pastinaca sativa)
PATHOGEN: Pseudomonas viridiflava
SOURCE: J. Hunter
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover
Leafy gall on stem.
Bacterial fasciation (Leafy gall) | Clover
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover (Melilotus officinalis)
PATHOGEN: Rhodococcus fascians
SOURCE: H. van Hoof, M. Geesteranus
DISEASE: Bacterial leaf spot
HOST: Cabbage
Cabbage leaves with irregular, brownish lesions. The bacterium does not invade vascular tissues.
Bacterial leaf spot | Cabbage
DISEASE: Bacterial leaf spot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. armoraciae
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf spot
HOST: Cabbage
Water-soaked lesions on underside of leaf (left), and water-soaked, large necrotic lesions on upper side (right).
Bacterial leaf spot | Cabbage
DISEASE: Bacterial leaf spot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. armoraciae
SOURCE: R. Campbell
DISEASE: Bacterial leaf spot
HOST: Cabbage
Leaf with various stages of lesion development, including water-soaked lesions.
Bacterial leaf spot | Cabbage
DISEASE: Bacterial leaf spot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. armoraciae
SOURCE: R. Campbell
DISEASE: Bacterial leaf spot
HOST: Cabbage
Cabbage leaves with many irregular, dark, water-soaked lesions.
Bacterial leaf spot | Cabbage
DISEASE: Bacterial leaf spot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. armoraciae
SOURCE: R. Gitaitis
DISEASE: Bacterial soft rot
HOST: Cabbage
Soft rot of cabbage is characterized by water-soaked, rotted tissues and bad odor.
Bacterial soft rot | Cabbage
DISEASE: Bacterial soft rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: L. Fucikovsky
DISEASE: Bacterial soft rot
HOST: Cabbage
Rot of cabbage caused by Pseudomonas marginalis pv. marginalis. Rot caused by P. viridiflava has similar symptoms of water-soaking and blackening of cabbage heads. Both diseases occur mainly during the winter season.
Bacterial soft rot | Cabbage
DISEASE: Bacterial soft rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Pseudomonas marginalis pv. marginalis
SOURCE: M. Goto
DISEASE: Black rot
HOST: Cabbage
Typical yellow, V-shaped necrotic areas at leaf margins.
Black rot | Cabbage
DISEASE: Black rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: R. Gitaitis