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  • From: "R. Keith Etheridge" <goatdoc@ctitech.com>
  • To: <nafex@lists.ibiblio.org>
  • Subject: [nafex] Future of Walnut
  • Date: Fri, 20 Jun 2014 10:05:11 -0500

With the advent of thousand cankers disease will walnut go the way of
American chestnut and ash? It seems most similar to Ash in that an insect is
involved and an insecticide can
be injected and might become cost effective for timber but unlikely for nuts,
Are the adjoining states doing anything special.
Keith
>From Jwlehman@aol.com Sat Jun 21 07:28:10 2014
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Date: Sat, 21 Jun 2014 07:28:09 -0400 (EDT)
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Subject: Re: [nafex] Future of Walnut
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In a message dated 6/20/2014 11:13:40 A.M. Eastern Daylight Time,
goatdoc@ctitech.com writes:

With the advent of thousand cankers disease will walnut go the way of
American chestnut and ash? It seems most similar to Ash in that an insect is
involved and an insecticide can
be injected and might become cost effective for timber but unlikely for
nuts, Are the adjoining states doing anything special.
Keith
Hello Keith,

I forwarded your question to Jim McKenna, Operational Tree Breeder, USDA -
Forest Service, HTIRC - Purdue University. Jim is helping research TCD. He
is also the Editor for the Indiana Nut & Fruit Growers Assoc.

Here is his answer:
"For nut production, you can earn income to cover spraying each year.
Timber is not economical to spray.


Second, the TCD is native to north America, not exotic like chestnut
blight and Dutch elm disease.


Because the disease is native, we have already determined that black
walnut varies in reaction. Thus, resistant trees exist and will be naturally
selected for.


Last, this disease is spotty and fluctuates year to year. It does not look
like it can actually wipe out whole stands or regions."



  • [nafex] Future of Walnut, R. Keith Etheridge, 06/20/2014

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