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There are several different viruses that affect tulips, each with slightly different symptoms. Tulip breaking virus causes streaking or marking of purple, pink and red tulips, usually on the late-flowering cultivars. White and yellow tulips aren

Fungal spores attack emerging tulip leaves. They invariably become malformed, with brown spots leading to rotting of both the foliage and flowers, although the buds may well fail to open. If they do open, there will probably be white spots

the affected parts. In a few cases genetic mutation is the cause, and the deformity will be permanent.delphiniums, forsythias, lilies, primulas and other plantsspring, summer, autumn, winterCommon problems affecting plantsReversionMagnesium deficiencyRose rustTulip

pull them out if they appear in the garden. Every two weeks from early spring onwards spray plants with a systemic action fungicide.hollyhocks, mallowall year roundCommon fungal problems affecting plantsIris leaf spotRose blackspotRose rustTulip fire

to an attack. Clear away leaf debris lying on the ground around the plants. Take care not to damage leaves and stems unnecessarily.irisesspring, summer, autumnCommon fungal problems affecting plantsRustRhododendron leaf spotTulip firePrimula leaf spot