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Botrytis Blight in Oriental Lily
How to identify and treat botrytis blight in Oriental Lily.
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Oriental Lily care requirements
water
Moderate watering; allow soil to dry between waterings; excellent drainage essential to prevent bulb rot and fungal disease
soil
Well-draining, slightly acidic to neutral soil (pH 6.0–6.8); amend clay soils with sand, perlite, or compost
light
Full sun to light shade; prefers 6–8 hours of direct sunlight, with afternoon shade in hot climates
symptoms
Symptoms to look for in Oriental Lily
- fiber_manual_recordFuzzy grey-brown mould on flowers, leaves, or stems
- fiber_manual_recordWater-soaked spots that turn brown and mushy
- fiber_manual_recordBlighted flower buds that fail to open
help
Common causes in Oriental Lily
Caused by the fungus Botrytis cinerea (grey mould), which thrives in cool, humid conditions with poor air circulation, often spreading rapidly on damaged or ageing plant tissue.
healing
How to treat botrytis blight in Oriental Lily
Remove and destroy all affected plant material immediately, improve airflow around the plant, and apply a fungicide labelled for Botrytis if the infection is spreading.
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Preventing botrytis blight in Oriental Lily
Avoid overhead watering and overcrowding, water at soil level, deadhead spent flowers promptly, and ensure good ventilation, especially in humid weather.