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RESULTS

(12)

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: Chocolate spot

HOST: Corn (Maize)

Leaf with dark brown, elongated spots surrounded by broad, yellow halos.

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: Halo blight

HOST: Oat

Oat leaves with oval lesions that darken in time and have distinctive yellow halos.

DISEASE: Halo blight

HOST: Oat

Close-up of young and old lesions surrounded by halos.

DISEASE: Purple stain

HOST: Papaya

Purple pigmentation of internal tissues near peduncle end of fruits. Pigmentation and yellow translucence of papaya flesh are more evident of fruit on right.