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RESULTS

(16)

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce

Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.

DISEASE: Bacterial wilt

HOST: Cantaloupe

Cantaloupe field with severe destruction from bacterial wilt (left), less on right.

DISEASE: Bacterial wilt

HOST: Muskmelon

Severely diseased plants as noted by dying runners.

DISEASE: Bacterial wilt

HOST: Muskmelon

Wilt-devastated muskmelon field.

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.