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what killed this eastern pine???

Posted by jaansu 6 (My Page) on
Fri, Jul 25, 14 at 7:25

I have a row of mature eastern pines in my yard and 5 years ago one browned and died. I couldn't discover any reason so I had it cut down and the stump ground up. Took out as much wood as possible and planted a new tree.

Three years after that, this tree now ~10' tall, browns and dies as well. I don't see any reason but I did notice when I cut it down that the wood seemed unusually lightweight and that the interior wood seemed to have a gray infestation. Is this gray stuff something to be worried about in regards to the mature pines nearby?

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RE: what killed this eastern pine???

With no picture, a guess: the pine sawyer beetle is the vector for a problem called "pine wilt" that is caused by nematodes. Pine wilt usually works very fast. Trees that die from this problem often have a bluish/grayish discoloration in the wood. Might be the cause.

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