Smoulder (caused) of Flowering bulbs

Disease Information

Smoulder (caused)

botrytis narcissiola)


The symptoms are the appearance of a mass of grey spores as the leaves emerge from the bulb, causing the leaves to stick together. It is most likely to occur in cold, wet weather.

COMMENTS on disease

The flowers are often spotted and the leaves can be polled away from the bulb revealing a grey mould at the base. It can also occur later in the season in cold conditions when it is less easy to spot. The primary infection usually occurs in the previous year


foliar spray with an appropriate fungicide while the bulbs are in growth. Dead foliage should be removed from the beds that are left down for a second year.


Share this article