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What's killing my Red Oak tree?

Posted by maury1965 north Texas (My Page) on
Sat, May 3, 14 at 12:41

Attached are a couple of photos. Last year big chunks of bark came off on the trunk. It started as dark spots on the trunk. I covered it with pruning seal and it has survived thus far. What is it and how do I save my tree?


Follow-Up Postings:

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RE: What's killing my Red Oak tree?

looks like somekind of canker...possibly from a fungus


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RE: What's killing my Red Oak tree?

Post a picture of the bottom of the trunk. The root flare should be visible and dramatically larger than the trunk. You should be able to step on the root flare. If not, there is likelya girdling root, or a constantly moist flare, which will put the tree in a great deal of stress. The stress will make the tree vulnerable to disease and pest attack. That is always the first thing to look at whenever a tree is sick. You hear me, all fellow tree peeps? :) M


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