DISEASE: Bacterial blast and black pit
HOST: Citrus (Lemon)
The term "black pit" refers to black lesions on fruit, which may be specks or large, sunken pits as seen here. They also may be light tan, later becoming reddish brown to black.
Bacterial blast and black pit | Citrus (Lemon)
DISEASE: Bacterial blast and black pit
HOST: Citrus (Lemon) (Citrus limon)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: J. Menge
DISEASE: Bacterial blast and black pit
HOST: Citrus (Lime)
Characteristic symptoms of brownish black lesions on twigs and leaves (blast), starting with infection of petioles. Black pit refers to brown to black sunken spots on fruit, 5 to 20 mm in diameter.
Bacterial blast and black pit | Citrus (Lime)
DISEASE: Bacterial blast and black pit
HOST: Citrus (Lime) (Citrus sp.)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: P. Broadbent
DISEASE: Bacterial fasciation
HOST: Geranium
Plant with proliferation of shoots at crown.
Bacterial fasciation | Geranium
DISEASE: Bacterial fasciation
HOST: Geranium (Pelargonium grandiflorum)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Daughtrey
DISEASE: Bacterial fasciation
HOST: Papaya
Fasciation symptoms of papaya. Causal agent is unknown.
Bacterial fasciation | Papaya
DISEASE: Bacterial fasciation
HOST: Papaya (Carica papaya)
PATHOGEN: Causal agent unknown
SOURCE: A. Alvarez
DISEASE: Black rot
HOST: Broccoli
Blight and rot of flower buds.
Black rot | Broccoli
DISEASE: Black rot
HOST: Broccoli (Brassica oleracea var. italica)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: M. Shurtleff
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
DISEASE: Black rot
HOST: Cabbage
V-shaped, yellowish necrotic areas and blackened veins with small lesions at leaf margins .
Black rot | Cabbage
DISEASE: Black rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: A. Alvarez
DISEASE: Black rot
HOST: Cabbage
V-shaped necrotic areas at leaf margins and insect damage caused by diamondback moth.
Black rot | Cabbage
DISEASE: Black rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: M. Goto
DISEASE: Black rot
HOST: Cabbage
Black necrotic vascular bundles in stem tissues.
Black rot | Cabbage
DISEASE: Black rot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: J. Cho