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RESULTS

(16)

DISEASE: Papaya dieback

HOST: Papaya

Dieback is characterized by terminal necrosis and death of the young and old plants.

DISEASE: Papaya dieback

HOST: Papaya

Death of growing point, a symptom of the disease.

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.

DISEASE: Purple stain

HOST: Papaya

Purple pigmentation of internal tissues.

DISEASE: Purple stain

HOST: Papaya

Another view of purple discoloration at peduncle end. Bacteria are found in vascular tissues and latex ducts.

DISEASE: Purple stain

HOST: Papaya

Cross section of fruit exhibiting purplish discoloration in latex ducts.

DISEASE: Witches'-broom

HOST: Citrus (Lime)

Lime tree with compact, small leaves (witches'-broom). Leaves on older brooms dry out and eventually drop, leaving dead, bare branches. There are no flowers or fruit on brooms.