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  • From: <dmnorton@royaloakfarmorchard.com>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Freeze damage follow-up
  • Date: Wed, 25 Apr 2007 10:55:02 -0500

Mark is right, prune them now. Especially stone fruits. Any dead or damaged branch can be a host for disease, especially after a weather incident like a freeze or hail storm. It has pretty much been a standard orchard practice to do a strep (streptomycin) spray after hail damage due to injuries to the trees created by the hail. By the way, we have blossoms on our peach trees now and our apple trees are at pink. I have some peach trees that are so loaded with blossoms I am going to have to heavily thin them. After the temps of 75 Saturday and 77 on Sunday, the peach trees came to life. I do have some winter injury and some dead branches, but most would have been pruned out anyway. The trees we had already pruned have really come back to life. Sometimes stress can be a good thing!

Dennis Norton
Royal Oak Farm Orchard
http://www.royaloakfarmorchard.com
http://www.theorchardkeeper.blogspot.com
http://www.revivalhymn.com
----- Original Message ----- From: "Mark & Helen Angermayer" <hangermayer@isp.com>
To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
Sent: Tuesday, April 24, 2007 10:24 PM
Subject: Re: [NAFEX] Freeze damage follow-up


My two cents would be to prune them now. Scratch the bark to make sure it's
dead. I did that on the persimmon and paw paw. The paw paws turned out to
be alive, the persimmon (at least toward the end of the whips) are dead.

I would also prune back to the bud you wanted. The trees shouldn't have
much trouble replacing the few inches of growth lost to pruning, especially
if their pruned before they put their energy into re-foliating.

Mark
Kansas

----- Original Message ----- From: "William C. Garthright" <>
To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
Sent: Tuesday, April 24, 2007 8:29 AM
Subject: Re: [NAFEX] Freeze damage follow-up


>

All of my fruit trees had 100%, or nearly so, foliage damage (they're
all pretty young), but my Japanese plums have come out of it the best
here, too. Of course, they hadn't sprouted out as much as the others,
either. My Asian pears still look the worst, but one of them is
sprouting out again.

You mentioned twig dieback. One problem I've noticed is that almost all
of the end buds (next to my pruning cuts) seem to be dead. At least,
there are very few trees where these have started sprouting new leaves,
even when the rest of the branch is greening up again. One branch on a
young peach tree even split lengthwise at the tip. Maybe the sap froze
and split it?

Should I re-prune these trees now, to cut off the dead stub? Or wait and
prune it off later, if it really is dead, either later this season or
with my normal dormant pruning next year? I'm still learning how to
prune. Though I've read a lot about it, I need experience. But if the
end buds on my pruned branches are dead, the next one is going to be on
the opposite side of the branch - exactly the opposite of where I'd
planned. So perhaps I should prune back even further, to a better
choice? Although, considering how bad my trees look, I suppose I
shouldn't stress them any further right now.

Advice, anyone?

Bill
Lincoln, NE (zone 5a)

--
The only freedom which deserves the name, is that of pursuing our own
good in our own way, so long as we do not attempt to deprive others of
theirs, or impede their efforts to obtain it. - John Stuart Mill
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