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  • From: Matt Demmon <mdemmon@gmail.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Ash and Ash Borer
  • Date: Sun, 27 Mar 2011 21:48:36 -0400

Geoff, seems like you didn't get your question answered, maybe because some
people haven't heard of the Emerald Ash Borer, or don't live in an area
where it's a problem. Here in SE Michigan, it's completely decimated the ash
trees. Pretty much 100% mortality of all ash species. Some do sprout. I
wouldn't say they're the best coppice species, but the white and green ash
I've seen do tend to sprout and sometimes die anyways. The EAB doesn't seem
to like trunks under about 4" in diameter, but it will eat into them
sometimes. I've got a couple white ash seedlings in my yard that are under
2" and doing fine.

I think once the first wave passes through, it will hopefully turn out to be
like Dutch Elm disease, where some prove slightly resistant and get big
enough to produce seeds, and while we'll never have 3 foot diameter white
ash again, they should become a minor component of the forest again. Keep
your fingers crossed. And those in the Midwest, be warned, it's heading your
way soon.

-matt

On Sat, Mar 26, 2011 at 7:27 PM, Geoffrey Tolle <Gtolle0709@wowway.com>wrote:

> Folks:
>
> This may not be the best group to ask this question but at least I know
> that any answers that I do get will be thought-out.
>
> 1) Does anyone know if ash trees are a good coppicing crops?
>
> 2) Does anyone know if ash borers require a minimum trunk diameter for
> effective survival?
>
> I know that there are some insect pests that simply don't survive as
> well in small diameter branches and trunks as they do in large diameter
> ones. It occurred to me that, if this is the case with emerald ash borer and
> if ash trees coppice well, then it might be possible to keep some ashes
> alive by coppicing them on a regular schedule. Admittedly, it's a survival
> tactic but it might help some of us keep some ashes alive until a more
> thorough solution is developed.
>
>
> Thanks,
>
> Geoffrey Tolle
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