coronavirus

Leaf Spot in Radicchio

How to identify and treat leaf spot in Radicchio.

potted_plant

Radicchio care requirements

water
Keep soil consistently moist but not waterlogged. Water 2–3 times weekly; reduce frequency as heads mature.
soil
Well-draining, fertile loam with pH 6.0–7.5. Add compost before planting for best head development.
light
Full sun (6–8 hours daily) for head formation and color development; some shade in intense heat.
symptoms

Symptoms to look for in Radicchio

  • fiber_manual_recordCircular brown or black spots
  • fiber_manual_recordYellow halos around spots
  • fiber_manual_recordPremature defoliation
help

Common causes in Radicchio

Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.

healing

How to treat leaf spot in Radicchio

Remove affected leaves. Apply appropriate fungicide or bactericide.

shield

Preventing leaf spot in Radicchio

Water at soil level. Improve air circulation. Practise crop rotation.