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nafex - Re: [nafex] Fire blight from apple pruning cuts

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  • From: "Idell Weydemeyer" <iwgarden@earthlink.net>
  • To: "'nafex mailing list at ibiblio'" <nafex@lists.ibiblio.org>
  • Subject: Re: [nafex] Fire blight from apple pruning cuts
  • Date: Thu, 9 May 2013 16:44:25 -0700

An excellent article on fire blight-- most of their "Pest Notes" are.
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7414.html >you might check your
own state or local county extension information since this is dry
California.

Idell Weydemeyer

-----Original Message-----
From: nafex-bounces@lists.ibiblio.org
[mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of Scott Smith
Sent: Thursday, May 09, 2013 12:01 PM
To: alany@semparpac.org; nafex mailing list at ibiblio
Subject: Re: [nafex] Fire blight from apple pruning cuts

Al, I had a horrible problem with fireblight this winter, and I never had
such a problem until this year. I painted over all the big winter cuts
once I saw the problem in midwinter. I did my main pruning in spring and
did not paint over those cuts but have also not had problems with it - so
far I have no fireblight this spring.

If you want to paint over every cut get some of that spray paint sealer, its
fast to hit every cut with it with a little blip of a spray.

I admit I don't really understand whats going on since there is no standard
guideline I have heard about painting over cuts to prevent fireblight. My
thinking now is there were some warm streaks of rainy weather in late fall /
early winter that caused an unusual outbreak of fireblight.

Scott z7 MD

On May 9, 2013, at 1:04 PM, Alan Yelvington <alany@semparpac.org> wrote:

> Help? I'm am being vexed by fire blight
> resulting from winter pruning cuts.
>
> I use alcohol to sanitize my shears, and I
> seal the wounds when damp weather is imminent
> using grafting sealer.
>
> Frankly, it's causing me to be far less
> aggressive in my pruning than I should be,
> and my trees are a mess.
>
> Somebody R.S.V.P.
>
> Al in Russell, PA
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