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RESULTS

(8)

DISEASE: Bacterial leaf blight and stalk rot

HOST: Corn (Maize)

Corn husk leaves with brownish red streaks and blotches. The leaves turn brown but may later become gray or white. Symptoms vary depending upon genotype.

DISEASE: Bacterial leaf blight and stalk rot

HOST: Corn (Maize)

Leaves with whitish streaks.

DISEASE: Bacterial leaf blight and stalk rot

HOST: Corn (Maize)

Lesions may vary from brown to red, sometimes gray or white, and some genotypes have red borders around lesions.

DISEASE: Blood disease

HOST: Banana

Yellow leaves of dying plant.

DISEASE: Blood disease

HOST: Banana

Cross sections of diseased fruit with reddish discoloration and bacterial ooze.

DISEASE: Blood disease

HOST: Banana

Longitudinal sections (right) exposing reddish brown discoloration of infected fruit.

DISEASE: Blood disease

HOST: Banana

Diseased plant with wilt and yellowing of leaves. The disease occurs in Indonesia and is characterized by bright red discoloration of vascular tissues. It is caused by strains in the Ralstonia solanacearum species complex.

DISEASE: Marginal leaf blight

HOST: Lettuce

Marginal leaf blight first appears as slimy wilting of leaf margins. Small, reddish lesions may be seen on leaf blades. Infected tissues turn brown to black in time.