Disease on crop

fungal

Damping Off on cucumber

Pythium and Rhizoctonia species

Soil-borne complex of water molds and fungi that kill seedlings before or shortly after emergence. The single most common cause of seed-starting failures.

Disease: Damping Off
Pathogen type: Fungal
Crop: Cucumber
Scientific name: Pythium and Rhizoctonia species

Damping Off on cucumber

Detailed guidance for this section is being prepared. Check back soon.

Symptoms on cucumber

▸ Seedlings collapsing at the soil line
▸ Stems pinched and dark at base
▸ Failure to emerge ('pre-emergence' damping-off)
▸ Whole flats of seedlings dying suddenly

IPM controls

✓ Use sterile seed-starting mix (do not reuse old potting soil)
✓ Bottom-water rather than top-water seedlings
✓ Provide good air circulation (small fan)
✓ Avoid overwatering — soil should dry between waterings
✓ Sterilize containers between uses with 10% bleach solution

Other crops affected by damping off

Tomato Sweet Pepper Hot Pepper Cabbage Broccoli Cauliflower Lettuce Spinach Summer Squash Winter Squash Bush Bean Pole Bean

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