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RESULTS

(8)

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 scab

HOST: Beet

Bacterial scab of table beet.

DISEASE: Bacterial scab

HOST: Gladiolus

Gladiolus bulb with brownish to dark brown, sunken scabs.

DISEASE: Citrus stubborn disease

HOST: Citrus (sp. unknown)

Characteristic symptoms of thickened peel at peduncle end and aborted seeds.

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange)

Severely stunted sweet orange tree. Foliage is dense and abnormally upright. Leaves may be cupped and unusually thick. They also may be chlorotic and mottled.

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange)

Fruit from a diseased tree are frequently lopsided or acorn-shaped, usually few and small. They may not color at stem end.

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange)

Sweet orange exhibiting off-season flowering and crop heterogeneity. Diseased trees generally have shoots with shortened internodes, which lead to rosettes with cupped leaves.