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Leaf Spot in Avocado

How to identify and treat leaf spot in Avocado.

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Avocado care requirements

water
Water deeply but allow soil to dry between waterings. Reduce watering in winter. Drought-tolerant once established.
soil
Well-draining, fertile soil with pH 6.0–6.5. Add peat moss or compost to improve drainage and organic matter.
light
Full sun (6–8 hours daily). Tolerates partial shade but fruiting improves with more light.
symptoms

Symptoms to look for in Avocado

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

Common causes in Avocado

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

healing

How to treat leaf spot in Avocado

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Avocado

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