North American Fruit Explorers mailing list at ibiblio

[Scott Smith <scott@cs.jhu.edu>]

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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