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RESULTS

(13)

DISEASE: Bacterial foot rot

HOST: Rice

The disease causes sheaths to turn dark brown and rot; dead leaves droop. Nodes, culms, and crowns also decay, and infected tillers are easily detached from the crown. Culms and internodes turn black.

DISEASE: Bacterial foot rot

HOST: Rice

Decayed culms (right) and healthy culms (left). Leaf sheaths of infected plants exhibit dark brown decay and attached leaves turn yellow and wilt.

DISEASE: Bacterial leaf blight

HOST: Carrot

Blight of flower parts.

DISEASE: Bacterial leaf blight

HOST: Carrot

Leaf lesions begin as water-soaked spots that progress to small, yellow, angular spots and later expand to necrotic lesions with yellow halos.

DISEASE: Bacterial leaf blight

HOST: Carrot

Bacterial ooze on flower stalk from systemic invasion of the pathogen.

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce

Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.

DISEASE: Bacterial stalk and top rot

HOST: Corn (Maize)

Corn at intermediate stage of disease development.

DISEASE: Bacterial stalk and top rot

HOST: Corn (Maize)

Plant with decay of growing point and stalk. Other bacterial species also cause stalk rot, including Pectobacterium carotovorum.

DISEASE: Bacterial stalk and top rot

HOST: Corn (Maize)

Corn with tan, water-soaked, slimy stalk tissue.