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Beech bark disease resistance handout

I've created a pdf showing the different stages of beech bark disease, and explaining where and how to look for resistance. http://www.oldgrowth.ca/wp-content/uploads/Beech-Bark-Disease-Resistance.pdf. Feel free to share it, any way you like.

I've found that most forests with a lot of beech in them (especially old-growth forests) have one or more resistant trees, but I often have to walk around, and look closely at a number of trees, to find them. I never noticed any resistant trees until I started looking for them specifically - but they're out there.

Posted on December 18, 2018 15:19 by oldgrowthforest oldgrowthforest | 0 comments | Leave a comment

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Disease-free beech trees have been observed in infested stands throughout the range of beech bark disease (BBD). If you see a beech tree at least 20-30 cm (8-12 inches) in diameter that appears healthy and free of beech scale, while trees around are dead and dying of the disease, it may be a resistant tree. Locating these trees will be important for American beech breeding programs, or for in ...more ↓

oldgrowthforest created this project on March 20, 2017
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