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RESULTS

(24)

DISEASE: Bacterial fruit blotch

HOST: Watermelon

Symptoms of external disease of mature watermelon.

DISEASE: Bacterial fruit blotch

HOST: Watermelon

Diseased watermelon with copious white foam.

DISEASE: Citrus canker

HOST: Citrus (Grapefruit)

Grapefruit with corky, raised lesions.

DISEASE: Citrus canker

HOST: Citrus (Lemon)

Lower leaf with raised, corkylike lesions surrounded by dark brown halos, one of the diagnostic symptoms of citrus canker.

DISEASE: Citrus canker

HOST: Citrus (Orange)

Leaf with leaf miner tunnels and numerous cankerlike lesions.

DISEASE: Citrus canker

HOST: Citrus (Orange)

Upper side of leaves with corky, raised lesions surrounded by yellow halos, a late stage of disease. Such infections usually are visible on lower sides of leaves first and soon after on upper sides.

DISEASE: Citrus canker

HOST: Citrus (Orange)

Yellowish halos are seen around lesions on the upper leaf surface, whereas lesions on the lower surface are more corky in appearance and have sunken centers without halos.

DISEASE: Citrus canker

HOST: Citrus (Orange)

Leaves with necrotic lesions and yellow halos.

DISEASE: Citrus canker

HOST: Citrus (Orange)

Fruit with corky, raised lesions surrounded by yellow tissues. Cankers on leaves also have yellow halos.