| plantsdb

RESULTS

(12)

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 leaf streak

HOST: Oat

Leaf with long, dark red streaks.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass

Lesions on leaves first appear as water-soaked, translucent, long, narrow streaks. They later turn brown and necrotic and often coalesce into blighted areas.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass

Close-up of leaf with brown necrotic streaks.

DISEASE: Elm yellows

HOST: Elm

Symptoms of elm yellows occasionally appear on one branch before others, but more often they involve the entire crown.

DISEASE: Elm yellows

HOST: Elm

Diseased twig (right) with epinasty, chlorosis, and yellowing of leaves. Sometimes both yellow and green leaves occur on same branch. Healthy branch (left).