[NAFEX] Black walnuts dry in shell
Docshiva at Docshiva.org
Sun Dec 19 14:32:13 EST 2010
I'm not going to be any help. Somehow, that's not stopping me from posting.
I've had one black walnut tree, and every once in a while same nutmeats
would be shriveled and inedible. I also had several filberts where 100% of
the meats were in the same condition.
If you're suspecting a pathogenic cause for your walnut problem - whether a
pest, fungus, or other - I'm with you. I've also had no success figuring
out what the problem was. When it was a few nuts, my guess was an insect;
with the whole/tree problem with the filberts, I guessed something
microbial. Either a pest or disease problem could be associated with
weather. It's interesting that the reports seem to be of dry, rather than
I suppose if I just wanted production I'd treat for about everything:
inoculating with some of the new biological controls for fungus/some
bacteria; using Surround for difficult borers; using neem through the season
as a general control - etc. If I wanted to track down the problem and had a
few trees to play with, I might try a differential diagnosis by applying
separate control measures to each; I might also get busy with making
cultures. I would think someone would already have done so, though. If I
had gumption, I'd research how common the problem was, if it were really
undiagnosed, see if there was anyone looking specifically at it, and maybe
get a grant. Maybe that would be too much gumption.
From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of Lee Reich
Sent: Saturday, December 18, 2010 8:00 PM
To: North American Fruit Explorers
Subject: Re: [NAFEX] Black walnuts dry in shell
Last year the nutmeats were a little shriveled and may have been a tad
sweeter. This year, though, totally black, totally dried out, totally
inedible. The water table is not that far down. My well is only 10' deep so
I'd think the big, old tree could get water.
Lee Reich, PhD
Books by Lee Reich:
A Northeast Gardener's Year
The Pruning Book
Uncommon Fruits for Every Garden
Landscaping with Fruit
On Dec 18, 2010, at 9:27 PM, Jwlehman at aol.com wrote:
In a message dated 12/18/2010 4:24:42 PM Eastern Standard Time,
6ducks at gmail.com writes:
In a very warm dry summer we would get some shriveled nuts, but I remember
thinking that the nut meats tasted a little sweeter when just slightly
shriveled. just a thought.
I have observed the same thing.
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