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RESULTS

(23)

DISEASE: Angular leaf spot

HOST: Strawberry

Early stage of disease begins as water-soaked, angular lesions, often with yellow ooze. There also are blight and vascular collapse stages.

DISEASE: Angular leaf spot

HOST: Strawberry

Advanced stage of disease with dry, brownish necrotic lesions on upper leaf surface.

DISEASE: Angular leaf spot

HOST: Strawberry

Diseased sepals.

DISEASE: Angular leaf spot

HOST: Strawberry

Vascular collapse stage occurs from systemic invasion of crown region.

DISEASE: Bacterial black leaf spot

HOST: Clover

White clover with brown necrotic spots.

DISEASE: Bacterial black leaf spot

HOST: Clover

White clover leaves with brownish spots and some yellowing occurring at the margins.

DISEASE: Bacterial blight

HOST: Gypsophila (Baby's breath)

Gypsophila (baby's breath) with light brown, marginal leaf lesions and distortion.

DISEASE: Bacterial decline

HOST: Papaya

Bacterial decline of papaya, historically called St. Croix decline, was thought to be caused by a fungus. This picture shows a papaya with dead top and side branches, a severe stage of the disease.

DISEASE: Bacterial decline

HOST: Papaya

Water-soaked papaya stem in St. Croix. Dark, water-soaked, greasy lesions occur on stems and leaves. The causal agent differs somewhat from descriptions of Erwinia papayae D strains in Micronesia.