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RESULTS

(8)

DISEASE: Bacterial blight

HOST: Mulberry

Leaf with numerous small, dark brown lesions with chlorotic halos.

DISEASE: Bacterial blight

HOST: Mulberry

Foliage with small, dark lesions with large, yellowish halos.

DISEASE: Bacterial blight

HOST: Mulberry

Blighted foliage with yellowing and curling of leaves.

DISEASE: Bacterial seedling blight

HOST: Rice

Dead and light brown, infected seedlings in nursery tray.

DISEASE: Grain rot

HOST: Rice

Close-up of diseased grain. Infected portions of lemma and palea are purplish to dark brown.

DISEASE: Grain rot

HOST: Rice

Discolored and withered hulls of infected panicles. A brown margin between the infected and healthy parts of the grain is a diagnostic feature.

DISEASE: Pink disease

HOST: Pineapple

Infected pineapple slices; effect of heating (right) and not heating (left).

DISEASE: Pink disease

HOST: Pineapple

Two clones (A and D) showing different stages of infection. Second and fourth fruits (left to right) have been heated. Disease originally attributed to Gluconobacter oxydans and Enterobacter agglomerans and later to Pantoea citrea.