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RESULTS

(8)

DISEASE: Drippy gill

HOST: Mushroom

Drippy gill is characterized by small dark spots on gills with drops of bacterial ooze at the centers. Severe infection results in slimy areas and collapse of gills.

DISEASE: Drippy gill

HOST: Mushroom

Close-up of infected gills with bacterial ooze.

DISEASE: Drippy gill

HOST: Mushroom

Another view of small, dark spots on gills.

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.

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.