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Leaf Spot in Leek

How to identify and treat leaf spot in Leek.

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Leek care requirements

water
Provide 1–1.5 inches per week; consistent moisture prevents splitting and improves shaft development
soil
Deep, well-draining, fertile loam with pH 6.0–7.0; incorporate compost; hilling up soil around stems bleaches the white shaft
light
Full sun, 6–8 hours daily for optimal growth and sweetness
symptoms

Symptoms to look for in Leek

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

Common causes in Leek

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

healing

How to treat leaf spot in Leek

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Leek

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

Leaf Spot in Leek — Symptoms & Treatment | GreenScout