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RESULTS

(20)

DISEASE: Bacterial stem rot

HOST: Tomato

Stem with long necrotic lesions. The pathogen often enters plants following pruning injuries.

DISEASE: Bacterial stem rot

HOST: Tomato

Wilt is first symptom of disease. Later, the pith usually disintegrates, causing hollow and blackened stems.

DISEASE: Bacterial wilt

HOST: Grass

Initial symptom is a lime-green, yellow, or blue-green appearance of the grass. The next symptom is small, reddish brown spots on leaf blades.

DISEASE: Bacterial wilt

HOST: Grass

Infected turf grass with patches of yellowing, wilted, and dead grass.

DISEASE: Bacterial wilt

HOST: Grass

Late stage of disease development. Dead grass has a light brown or bleached tan appearance.

DISEASE: Bacterial wilt

HOST: Grass

Wilted and dead patches of diseased creeping bent grass (Toronto grass) on golf green.

DISEASE: Bacterial wilt

HOST: Grass

Irregular disease patterns on golf green. The cultivars Toronto, Cohansey, and Nimisilia are primary hosts of the disease.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Barley

Black chaff is characterized by water-soaked and darkened glumes on barley heads and streaks and stripes on leaves.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Barley

Leaf with linear, water-soaked lesions that turn necrotic and brown. Flakes of dry bacterial exudate are apparent on the lesions. The pathogen also causes black glume of barley.