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thikwizz

Strange blister on Northern red Oak

ThikWizz
10 years ago

I have a newly transplanted (1.5" caliper) Northern Red oak that I bought form a nursery in 2011 and planted in my front yard.
This spring i noticed some very strange blisters on a few leaves. There seems to be some white particles in the blister. i tried looking it up and could not find anything that resembles it .
Please advice

Thanks for you help

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