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RESULTS

(10)

DISEASE: Bacterial blight

HOST: Rice

Gradation in blight symptoms. The disease begins as water-soaked streaks on leaves, which increase in length and width, becoming yellow and then white.

DISEASE: Bacterial blight

HOST: Rice

Yellow leaf stripe that later turns white.

DISEASE: Bacterial blight

HOST: Rice

Infected leaves have grayish white lesions with wavy margins.

DISEASE: Bacterial blight

HOST: Rice

Gray leaf lesions typical of bacterial blight.

DISEASE: Bacterial blight

HOST: Rice

Paddy of dead seedlings with white leaves, characteristic of kresek stage of disease.

DISEASE: Bacterial blight

HOST: Rice

The disease causes rolling of leaf tips. In the acute stage, symptoms are wilting and yellowing of leaves, followed by death.

DISEASE: Bacterial leaf spot

HOST: Pumpkin

Leaf with tan to brown, angular lesions with dark margins. They are similar to those caused by angular leaf spot.

DISEASE: Sweet potato little leaf

HOST: Sweet potato

Infected plant (left) and healthy plant (right).

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.