Mode of spread and survival :
- Found upon the bulbs at the time of harvest
- Affected scale tissue become soft
- Dense layer of grey mould appear at the neck
- Infection progresses most rapidly down the scales which have been originally infected
- Survive as sclerotia
- Requires cool and moist weather
- Temp -15 to 20 ° c
- Promoting rapid drying at harvest and good aeration in storage is best for managing Botrytis on bulbs
- Additionally, cooler storage temperatures may help control the disease
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| Neck rot | Rotten neck | Grey mould on clove | Black sclerotia on bulb |