coronavirus

Smut in Sweet Corn

How to identify and treat smut in Sweet Corn.

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Sweet Corn care requirements

water
Deeply and regularly especially when tassels appear.
soil
Rich, moisture-retentive soil.
light
Full sun, sheltered from wind.
symptoms

Symptoms to look for in Sweet Corn

  • fiber_manual_recordSwollen, distorted galls on stems, leaves, or flowers
  • fiber_manual_recordGalls rupturing to release masses of black, powdery spores
  • fiber_manual_recordStunted or malformed growth on infected plant parts
help

Common causes in Sweet Corn

Caused by various smut fungi (Ustilago and related genera) that infect through young tissue or seed, with spores surviving in soil and plant debris to reinfect future crops.

healing

How to treat smut in Sweet Corn

Cut out and destroy galls before they rupture and release spores, and remove severely infected plants entirely to reduce the spore load in the soil.

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Preventing smut in Sweet Corn

Use disease-free seed or planting stock, rotate crops, and clean up and destroy infected plant debris rather than composting it.