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Blotches on Japanese Kerria Leaves

Posted by musicinthegarden z6-7MD (My Page) on
Sat, Jul 10, 10 at 19:37

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.

Image link: Blotches on Japanese Kerria Leaves (48 k)

Follow-Up Postings:

RE: Blotches on Japanese Kerria Leaves

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)

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