Botrytis

Botrytis

Description

Botrytis (Grey Mould) is a plant disease often found on indoor cyclamen and outdoor flowers such as dahlia and chrysanthemum kept in humid conditions.

Symptoms

A grey fluffy mould found on leaves, petals and the base of stalks.

Treatment and control

General tips: Pick off affected part of the plant and reduce humidity by increasing space between plants and air movement. Burn plants that are severely affected. Avoid over-feeding with a high nitrogen fertiliser as this encourages soft lush growth that is more susceptible to attack. No fungicide treatments are available to amateur gardeners.

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