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RESULTS

(29)

DISEASE: Bacterial finger-tip rot

HOST: Banana

Cross sections of fruit with internal discoloration and rot. This disease is also known as Mokillo disease.

DISEASE: Bacterial finger-tip rot

HOST: Banana

Longitudinal sections of fruit with internal discoloration and rot. Healthy (right).

DISEASE: Bacterial finger-tip rot

HOST: Banana

Diseased banana hand with external discoloration.

DISEASE: Bacterial wilt

HOST: Alfalfa

Longitudinal section of defined brown gum pockets on inner surface of root bark.

DISEASE: Bacterial wilt

HOST: Alfalfa

Infected plant (left) with typical symptoms of stunting and chlorosis. Other characteristic symptoms are spindly stems and small distorted leaflets. Healthy plant (right).

DISEASE: Bacterial wilt

HOST: Alfalfa

Diseased plant with chlorotic leaves.

DISEASE: Bacterial wilt

HOST: Alfalfa

Cross sections of diseased roots with defined brown gum pockets on inner surface of bark. Healthy root (upper left). Other sections represent increases in disease severity.

DISEASE: Bunch disease (Witches'-broom)

HOST: Butternut

Bunch disease of butternut.

DISEASE: Bunch disease

HOST: Pecan

Pecan exhibiting bunch symptoms at ends of branches. This disease is thought to be caused by a phytoplasma similar to the walnut bunch pathogen in the X-disease group.