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Botrytis Blight in Asiatic Lily
How to identify and treat botrytis blight in Asiatic Lily.
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Asiatic Lily care requirements
water
Moderate watering; allow soil to dry slightly between waterings; ensure excellent drainage to prevent bulb rot
soil
Well-draining soil with organic matter; add sand or perlite to heavy clay soils; pH 6.0–6.5 preferred
light
Full sun; requires at least 6–8 hours of direct sunlight daily for optimal flowering
symptoms
Symptoms to look for in Asiatic 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 Asiatic 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 Asiatic 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 Asiatic Lily
Avoid overhead watering and overcrowding, water at soil level, deadhead spent flowers promptly, and ensure good ventilation, especially in humid weather.