Fungal disease
Scab (apple/pear)
How to recognise it
Olive to black velvety spots on leaves and fruit.
What helps
Remove fallen leaves in autumn, prune for an open crown, plant resistant varieties.
Often a care issue is behind it (watering, light, placement) – the care check in the app helps narrow it down.
Not sure it's this?
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Check a photo – freeTypical organisms: Venturia inaequalis, Venturia pirina