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RESULTS

(9)

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Blighted leaves and stems.

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Poinsettia with diseased stem. Woody stems may have a yellowed cortex and dark vascular tissues. The stem tip may curve with deformed terminal leaves.

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Leaves with small, dark spots, an early stage of disease.

DISEASE: Bacterial leaf spot

HOST: Laurel (California laurel)

Leaf with dark brown, angular spots.

DISEASE: Bacterial leaf spot

HOST: Peanut

The disease causes water-soaked lesions, particularly on upper leaf surfaces. Lesions enlarge and later display brown necrotic areas. Leaflets become chlorotic and shed prematurely.

DISEASE: Bacterial leaf spot

HOST: Verbena

Leaf with purple-brown necrotic spots.

DISEASE: Bacterial seedling blight

HOST: Rice

Brown, desiccated seedlings in nursery exhibiting basal chlorosis and withering of second and third leaves.

DISEASE: Bacterial seedling blight

HOST: Rice

Dead seedlings in half of nursery tray. Symptoms are basal chlorosis and withering of second and third leaves. Infected seedlings become reddish brown and desiccated in time.

DISEASE: Bacterial seedling blight

HOST: Rice

Basal chlorosis and withering of second and third leaves. Seedlings become reddish brown with a dry appearance over time. Root growth is retarded and seedlings easily lodge.