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Lily Disease


Lily Disease

Usually appear in

Spring to Autumn.

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Caused By:-     The Grey Mould Botrytis Elliptica


Lily Disease is caused by the grey mould (Botrytis elliptica). There are two related Botrytis that can be found on lilies at the same time. B.elliptica and B.cinerea, both attack the above ground plant parts. B.elliptica is the more destructive of the two and both species can be found on the same plant at the same time. B.cinerea attacks the leaves, open flowers and seed pods in cool summer weather and late Autumn. The leaves typically show dark green water soaked spots. The affected leaves soon turn brown or bleached and die off. Leaves wither from the bottom upwards and wilt on the stem. Flower buds are killed or become distorted and fail to open. If the disease enters the stem the plant keels over, but the bulb often remains healthy, but my start to rot. The spores of this fungus is in the air and is encouraged by wet humid conditions.
See these other Grey Moulds and Botrytis fungi Bean Chocolate Spot, Botrytis, Grey Mould, Lettuce Grey Mould, Onion Neck Rot, Peony Wilt, Rose Grey Mould, Snowdrop Grey Mould, Strawberry Grey Mould.


Spraying with a fungicide will control this mould, but most important is the right planting conditions. This means good drainage to prevent the bulb remaining too wet during the winter dormant period and throught the year. Water only when there is time for the leaves to dry quickly as prolonged wetness of the leaves encourages Botritis spores to germinate. Avoid damaging the bulbs during planting, transplanting or weeding. Any damage could be and entrance for the fungi.

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