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RESULTS

(33)

DISEASE: Bacterial leaf spot

HOST: Rice

Stripes on leaves and leaf sheaths, which turn brown in time. They occur interveinally, along midribs and leaf margins.

DISEASE: Bacterial leaf streak

HOST: Rice

Severely diseased leaves with light brown streaks.

DISEASE: Bacterial leaf streak

HOST: Rice

Brownish lesions with tiny droplets of bacterial ooze, resulting from artificial inoculation of the pathogen.

DISEASE: Bacterial leaf streak

HOST: Rice

Copious droplets of bacterial ooze on infected leaf margin (right), typical of advanced stage of disease. Healthy part of leaf (left) has clear guttation fluid.

DISEASE: Bacterial palea browning

HOST: Rice

Early stage of disease with browning of palea.

DISEASE: Bacterial palea browning

HOST: Rice

Browning of palea begins with water-soaked lesions that later turn dark brown. Infected grains become brown after milling.

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.