Fungal leaf spot disease
mediumThe dark, ringed spots on the leaves are consistent with a fungal or bacterial leaf spot, often spread by water sitting on foliage.
Favorable conditions
- •Watering the leaves directly instead of the soil
- •Poor air circulation around the plant
- •Infected leaf debris left in the pot
Management
- 1Remove and discard affected leaves — don't compost them.
- 2Water at the soil line only, avoiding wetting the foliage.
- 3Improve air circulation around the plant.
- 4Apply a copper-based fungicide if spotting continues to spread.
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