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RESULTS

(10)

DISEASE: Bacterial leaf spot

HOST: Peanut

The disease causes water-soaked lesions, particularly on upper leaf surfaces. Lesions enlarge and later display brown necrotic areas. Leaflets become chlorotic and shed prematurely.

DISEASE: Bacterial wilt

HOST: Peanut

First sign of disease is slight drooping or curling of leaves. As the plant declines, foliage turns yellow, followed by wilt and death of stems.

DISEASE: Bacterial wilt

HOST: Peanut

Advanced stage of disease with death of plants.

DISEASE: Bacterial wilt

HOST: Peanut

Vascular discoloration of taproot.

DISEASE: Bacterial wilt

HOST: Squash

Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.