That happened to me with my apricot-peach
hybrids – both died suddenly. The culprit was peach borer.
There was a gelatinous muck around the base of the trees. When I finally
did some digging, I found some maggots.
Lori
Lori
Rizzo, RN
BSN MBA
Health Care Quality
Improvement
Pet Training &
Behavior Improvement!
Maryville, TN
larizzo@charter.net
From:
nafex-bounces@lists.ibiblio.org [mailto:nafex-bounces@lists.ibiblio.org]
On Behalf Of Lon J. Rombough
Sent:
Wednesday, September 02, 2009 12:36
AM
To:
North American Fruit Explorers
Subject:
Re: [NAFEX] Sudden Apricot Death
Syndrome?
If you peeled the bark
off near that gummy spot, you'd likely find the cambium dead all the way around
the trunk. That kind of gummosis is common in the NW. It grows during the cool,
wet weather of spring, then dries up in the summer. If can girdle limbs and
trunks 3 inches or so in diameter or less, and makes oozing cankers on larger
diameter wood of susceptible trees. The old treatment was to cut out the canker
and paint the wound.
The disease is most common on apricots, peaches, European plums, and some
American and hybrids. Also on Prunus tomentosa (bush cherry) and P. besseyi,
the Sand Cherry of the plains.
You can replant in the same hole. The disease is spread through the air.
Serious spraying and resistant varieties are your best bets.
-Lon Rombough
NEW grape pruning video:
http://www.bunchgrapes.com/dvd.html
View a short, low resolution clip here:
http://www.youtube.com/watch?v=8Q58zFY0B1M
/color>Grapes, writing, consulting, my book, The Grape Grower, at http://www.bunchgrapes.com
Winner of the Garden Writers Association "Best Talent in Writing"
award for 2003.
A video about The Grape Grower : http://cookingupastory.com/index.php/2008/04/18/the-grape-grower/
/color>/fontfamily>On Sep 1, 2009, at 9:21
PM, Ginda Fisher wrote:
I planted an apricot tree a few years ago. It's looked healthy until
a couple of weeks ago, when quite suddenly the leaves all wilted and
turned brown. It is now covered with dead leaves. (Not dropping
yellow leaves, as the healthy tree did in the fall.) Any ideas what
happened to it?
I saw a little bit of gum on the bark, but nothing that looked
terrible. I did not see any other damage. We had a very cool wet
summer until shortly before it died, when suddenly the weather turned
hot and dry. But the apricot started to look dead before the
raspberries looked even a little wilted. (They are within a few feet
of each other, on similar soil.) It had a decent crop this year, but
I thinned it pretty heavily, and I don't think the crop should have
stressed the tree.
I suppose I'll leave it in the ground until next spring - weirder
miracles have happened than it coming back into leaf. But it
certainly looks dead. I'm debating buying another and replanting in
the same spot. Any reason not to?
Thanks.
Ginda
eastern MA, zone 6
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