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Knowledgebase record #789
We purchased a gooseberry last year. It got powdery mildew and lost its leaves. This spring it came back with lush leaf growth and has not had the mildew, but it has brown spots that just developed. Some leaves are turning completely brown. Any suggestions? On the east coast in NY we had huge prolific berried bushes that didn't seem to have any of the problems we are having here in Snohomish County.
Powdery mildew is certainly a known problem for gooseberries here, but there are other diseases that show up as spotting on the leaves. The Royal Horticultural Society describes mildew on gooseberries. Cornell University's Department of Horticulture has a guide to currants and gooseberries which describes several other problems affecting the leaves of these plants.
We can't diagnose the problem remotely, but compare your plant's symptoms with this information about anthracnose from Washington State University's HortSense website:
It would be worth having a your local county extension agent test the affected foliage before you attempt to treat the problem.
Just as an aside, gooseberries do well in areas that have good winter chilling and humid summers, which sounds more like parts of the East Coast than our winter wet/summer dry Northwest. The website of California Rare Fruit Growers describes the native ranges of gooseberries:
|Keywords||Ribes, Fruit--Diseases and pests|
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July 22 2016 16:00:06