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Leaf Spot in Crab Apple

How to identify and treat leaf spot in Crab Apple.

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Crab Apple care requirements

water
Moderate watering during growing season; water deeply but infrequently; drought-tolerant once established.
soil
Well-drained loam or sandy soil; pH 6.0–7.5; tolerates slightly acidic to neutral conditions.
light
Full sun; requires at least 6 hours of direct sunlight for optimal flowering and fruiting.
symptoms

Symptoms to look for in Crab Apple

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

Common causes in Crab Apple

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

healing

How to treat leaf spot in Crab Apple

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Crab Apple

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