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RESULTS

(9)

DISEASE: Bacterial blight

HOST: Cassava

Leaf with angular, water-soaked, vein-delimited lesions.

DISEASE: Bacterial blight

HOST: Cassava

Cassava with angular leaf spots and yellow ooze. Symptoms include leaf spots, wilt, and dieback. The bacterium frequently invades systemically.

DISEASE: Bacterial fruit blotch

HOST: Cantaloupe

Early stage of disease with discolored blotches on the surface.

DISEASE: Bacterial fruit blotch

HOST: Cantaloupe

View of disease path from rind to internal rotting of melon.

DISEASE: Bacterial fruit blotch

HOST: Cantaloupe

Leaf spot stage. Lesions start small and may coalesce, forming large, brown necrotic areas.

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with yellowish leaves and water-soaked, angular spots. The disease is primarily on foliage, although the pathogen may invade stem buds and young branches.

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with brownish lesions and blackish edges. Leaves turn yellow with multiple infection sites.

DISEASE: Bacterial wilt

HOST: Cantaloupe

Cantaloupe field with severe destruction from bacterial wilt (left), less on right.

DISEASE: Bacterial wilt

HOST: Squash

Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.