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Quercus alba branch canker

treeseer

By treeseer,
in Fungi Pictures

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treeseer Veteran

treeseer

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This poor guy got trenched 12' N of trunk 2 years ago. Climbed first time yesterday to crown clean and check for dieback and prune accordingly. Branch cankers all over--no pattern noted. A few branches <2" were girdled and died.

 

no fb seen. if dissected, i'm wondering what where to look for ID clues.

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Gary Prentice Grand Master

Gary Prentice

Posted
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This poor guy got trenched 12' N of trunk 2 years ago. Climbed first time yesterday to crown clean and check for dieback and prune accordingly. Branch cankers all over--no pattern noted. A few branches <2" were girdled and died.

 

no fb seen. if dissected, i'm wondering what where to look for ID clues.

 

Any pic's?

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treeseer Veteran

treeseer

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that batch was not so descriptive: here the first is a subdominant leader with canker, next the dominant leader without. Third shows dead bark shedding in sinus that is pinched by the parallel buttress roots. Bark not removed--doing more in protection than would be gained by cleaning. 4th N view of crown.

IMG_7742.jpg.13168e73bcc1a30cca4ecdc9e797b5cc.jpg

IMG_7743.jpg.21109e3b803fb63c266fcb5dc54a6ef4.jpg

IMG_7744.jpg.e2bc3cb4753d398599ce76598d46ea0e.jpg

IMG_7745.jpg.ee500bd4a4e3ac5972e23e8cb493dd0e.jpg

IMG_7746.jpg.18d1cfe8b8cb6b8cec6fc8c211c7181f.jpg

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