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RESULTS

(7)

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: Halo blight

HOST: Bean

Leaves of highly susceptible 'Red Kidney' dry bean with typical water-soaked lesions with halos.

DISEASE: Halo blight

HOST: Bean

'Red Kidney' (dry bean) exhibiting tolerant reaction after inoculation with a halo blight strain. The small, dark lesions dry up in a few days and disease does not progress further.

DISEASE: Halo blight

HOST: Bean

Pods of 'Red Kidney' (dry bean) with brown lesions, a late stage of disease.

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.