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RESULTS

(9)

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: Foamy canker

HOST: Almond

White, macerated tissues near cambium region is characteristic of disease. Foam is usually associated with cankers. The disease is suspected to be bacterial but the causal agent has not been identified.

DISEASE: Foamy canker

HOST: Almond

Amber red-colored ooze sliding down the trunk. The causal agent has not been identified.

DISEASE: Foamy canker

HOST: Koa

Foamy canker of koa is associated with bacteria and yeast. The causal agent has not been identified.

DISEASE: Foamy canker

HOST: Koa

Dieback of koa tree. The causal agent has not been identified.

DISEASE: Hollow stalk

HOST: Tobacco

Hollow stalk may appear at time of topping and suckering. Top leaves wilt and the stalk becomes bare as the disease moves downward.

DISEASE: Hollow stalk

HOST: Tobacco

Infection of flue-cured tobacco stalks occur at wound sites caused by topping. After top infection, browning of pith occurs and tissues rot.