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Bacterial Wilt

bacteria

Erwinia tracheiphila

Bacterial disease of cucurbits transmitted by cucumber beetles. Blocks water transport causing rapid wilt.

Identification

Rapid wilting of individual vines. Cut stem and press: sticky bacterial ooze strings between halves. Wilt does not recover overnight.

Damage & Symptoms

Rapid, irreversible wilting. Individual vines die within days. Eventually kills entire plant. No fruit from affected vines.

Organic Control

No cure. Remove and destroy infected plants. Control cucumber beetles (the vector). Row covers.

Chemical Control

No effective chemical treatment. Control cucumber beetles to prevent.

Prevention

Control cucumber beetles with row covers. Trap cropping. Resistant cucumber varieties (not widely available). Prompt removal of infected plants.

Data confidence: medium | Source: curated_ipm