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RESULTS

(8)

DISEASE: Bacterial foot rot

HOST: Rice

The disease causes sheaths to turn dark brown and rot; dead leaves droop. Nodes, culms, and crowns also decay, and infected tillers are easily detached from the crown. Culms and internodes turn black.

DISEASE: Bacterial foot rot

HOST: Rice

Decayed culms (right) and healthy culms (left). Leaf sheaths of infected plants exhibit dark brown decay and attached leaves turn yellow and wilt.

DISEASE: Oleander knot

HOST: Oleander

Oleander with small knots/galls on leaf and stems.

DISEASE: Oleander knot

HOST: Oleander

Young stem with knots/galls.

DISEASE: Oleander knot

HOST: Oleander

Leaf with early stage of knot/gall formation.

DISEASE: Oleander knot

HOST: Oleander

Infected flowers with small knots/galls and necroses.

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.