Tips of emerging leaves appear brown and scorched, and often shrivel and rot.

Brown spots appear on the leaves and flowers, both of which may also rot.

Masses of grey fungal spores, which are spread by wind or rain, appear on infected plants in damp weather. Later the fungus forms hard, black, pin-head sized bodies (sclerotia) on the outer scales of affected bulbs and these can remain dormant in the soil for up to two years awaiting the next tulip host.

Control
All diseased plants must be removed immediately to prevent rapid spread of the disease.
Do not replant in infested soil with tulips for at least two years.
At the end of every season lift bulbs and discard, or treat with sulphur (Vitax Green or Yellow Sulphur) and dry before storing.