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Kinnikinnick fungal disease #205500

Asked August 08, 2014, 3:22 PM EDT

What sprays will help control fungal disease in kinnikinnick? I know the problem is created by the trapped moisture and lack of air flow under the dense growth (24 years old)that has grown 2 feet tall. This is an extensive area (over 5000 SF) on a steep bank that I can't effectively prune easily.

Marion County Oregon

Expert Response

Hello:

Although this is a common problem, there are no fungicides registered for disease control on kinnikinnick. One of the more common disease problems is Phytopthora dieback. Below is a link to the discussion of this disease from the PNW Disease Management Handbook. I will be away until Aug 19th, but please email me and I will be happy to discuss this with you further on my return.
http://pnwhandbooks.org/plantdisease/kinnikinnick-arctostaphylos-uva-ursi-phytophthora-dieback
Neil Bell Replied August 10, 2014, 9:20 AM EDT

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