Bacterial disease
Bacterial leaf spot
How to recognise it
Small water-soaked spots turning dark and angular, often with a yellow halo.
What helps
Remove affected leaves, water at the base, keep tools clean, rotate crops.
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?
LeafChecker compares your photo with every disease and pest on our list and tells you honestly how sure it is. No sign-up, no subscription.
Check a photo – freeTypical organisms: Xanthomonas campestris, Xanthomonas vesicatoria, Pseudomonas syringae, Xanthomonas hortorum