| plantsdb

RESULTS

(9)

DISEASE: Bacterial stem rot

HOST: Poinsettia

Water-soaked and rotted stem and leaf tissues.

DISEASE: Bacterial stem rot

HOST: Poinsettia

The disease causes translucence, discoloration, and rot of stems.

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.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Water-soaked stage of leaf streak.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Interveinal brown streaks and blotches on wheat leaves, a late stage of disease. Symptoms may be confused with other diseases.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Brownish black streaks and blotches on glumes.

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Leaves with blighted leaf tips, and blades with brownish red streaks.

DISEASE: Pseudomonas leaf spot

HOST: Primrose

Leaf with brownish red spots and reddening of adjacent areas. Disease begins as small, water-soaked lesions that later coalesce into large necrotic spots.