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 heart rot
HOST: Palm
Palm with advanced stage of heart rot. Symptoms of mature palms include rapid browning and desiccation of foliage, rot of roots and buds, and aborted fruits.

Bacterial heart rot | Palm
DISEASE: Bacterial heart rot
HOST: Palm (Cocos nucifera)
PATHOGEN: Phytomonas sp.
SOURCE: R. McCoy, M. Davis
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