| plantsdb

RESULTS

(9)

DISEASE: Bacterial mushy canker

HOST: Papaya

This disease (Micronesia) differs from bacterial decline by causing blackish, water-soaked, mushy cankers near or in leaf axils or on young stems.

DISEASE: Bacterial wilt

HOST: Alfalfa

Longitudinal section of defined brown gum pockets on inner surface of root bark.

DISEASE: Bacterial wilt

HOST: Alfalfa

Infected plant (left) with typical symptoms of stunting and chlorosis. Other characteristic symptoms are spindly stems and small distorted leaflets. Healthy plant (right).

DISEASE: Bacterial wilt

HOST: Alfalfa

Diseased plant with chlorotic leaves.

DISEASE: Bacterial wilt

HOST: Alfalfa

Cross sections of diseased roots with defined brown gum pockets on inner surface of bark. Healthy root (upper left). Other sections represent increases in disease severity.

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.