Blotches on Japanese Kerria Leaves

musicinthegarden(z6-7MD)July 10, 2010

A friend has a kerria bush that is suffering from something- see the picture- the newest leaves look fine but most of the established leaves have brown blotches throughout the leaves. Is this a sign of some nutrient deficiency in the soil or a disease? The hydrangea bush nearby seems to be doing fine.

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IanW Zone 5 Ont. Can.

The kerria has a Leaf and twig blight (caused by a fungus).
Stem cankers can develop if the blight spreads. You can treat it with a fungicide to try to control the spread or prune out the affected areas......This fungus will not spread to your hydrangeas.....but hydrangeas have their own leaf spot (cercospora)

    Bookmark   July 10, 2010 at 7:52PM
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