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RESULTS

(9)

Search term: Pseudomonas syringae pv. Syringae

DISEASE: Angular leaf spot

HOST: Tobacco

Leaf with light brown, angular spots. The difference between this disease and wildfire of tobacco is that wildfire is caused by a strain that produces tabtoxin. It causes conspicuous halos around lesions and large parts of a leaf may turn yellow .

DISEASE: Angular leaf spot

HOST: Tobacco

Yellowing of adjacent tissues occur as spots age (midseason). It causes conspicuous halos around lesions. Large parts of a leaf may turn yellow.

DISEASE: Angular leaf spot

HOST: Tobacco

Severely diseased leaf with extensive yellowing.

DISEASE: Bacterial blight

HOST: Pea

Pea pod with diseased seeds and infection along the suture.

DISEASE: Bacterial blight

HOST: Pea

Pea plant with water-soaked lesions on stems and leaves with some bacterial exudate evident. Irregular lesions turn dark brown with light tan centers. Severe distortion of stems, petioles, and growing points may occur.

DISEASE: Bacterial blight

HOST: Pea

Dark lesions on pods and dorsal sutures.

DISEASE: Bacterial blight

HOST: Pea

Severely diseased plant with array of blight symptoms.

DISEASE: Bacterial blight

HOST: Pea

Leaves with typical blight symptoms. The disease also affects nodes, stipules, floral parts, stems, and pods.

DISEASE: Wildfire (Angular leaf spot)

HOST: Tobacco

Characteristic symptoms are necrotic, brown spots with angular margins surrounded by distinct yellow halos. The halos are caused by the production of tabtoxin.