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RESULTS

(10)

DISEASE: Bacterial seedling blight

HOST: Rice

Dead and light brown, infected seedlings in nursery tray.

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.

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.

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Comparison of normal, dark cherries (in hand) with infected, immature cherries with less pigmentation.

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Healthy cherry shoot (left) and stunted shoot (right).

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Infected trees on 'Mazzard' rootstock (right) may live for years, producing fruit with symptoms. Trees on 'Mahaleb' rootstock (left) usually die rapidly in year of infection, about time of fruit ripening.