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Leaf mould can develop rapidly to cause significant yield loss in greenhouse-grown tomatoes. It is rarely seen on outdoor crops.
Tomato leaf mould
Leaf mould is a fungal disease that affects the foliage of tomatoes, particularly those grown in greenhouses. Symptoms are sometimes confused with those of other foliar diseases such as grey mould or tomato blight.
The first symptoms of leaf mould can develop in April or May, but it is more usually found in June or July and can develop quite suddenly. You may see the following symptoms:
No fungicides are available to home gardeners for the control of tomato leaf mould.
Disposing of diseased material
Potato and tomato blight
Tomatoes: fruit ripening problems
Tomatoes: fruit splitting and cracking
Tomatoes: leaf problems
Tomatoes: stem problems
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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.