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nafex - Re: [nafex] Treating Fire Blight organically

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  • From: david.maxwell@dal.ca
  • To: Dan Nave <nave1@comcast.net>, nafex mailing list at ibiblio <nafex@lists.ibiblio.org>
  • Subject: Re: [nafex] Treating Fire Blight organically
  • Date: Sun, 08 Apr 2012 21:57:08 -0300

You have tweaked an interesting thought in my head. I don't know how
effective copper paint
would be for fire blight, (which is actually a bacterial infection, with a
Pseudomonas), but
copper is unquestionably effective against fungal infections, such as
cankers. We sailors
use a copper bottom paint as an antifouling on the bottoms of our boats, to
inhibit the growth
of marine creatures, (barnacles, seaweeds, etc.). I wonder whether this
would work to kill off
cankers? (It would be a lot more persistent than painting the canker with
Bordeaux solution).
Anybody ever tried this?

> Jim,
>
> Interesting. Sounds like the paint seals the bacteria in and keeps it
> from spreading.
>
> How about trying something like a metallic Rustoleum enamel paint with
> copper compounds in it. It may give the same protection you are
> getting now, and the copper compounds may have an effect on the
> bacteria causing the problem.
>
> Dan
>
> On 4/7/2012 8:17 PM, Jim Fruth wrote:
> > Al Yelvington said/asked, "I'd certainly appreciate any
> > comments and
> > recommendations. I do NOT have a spray license, so un-restricted
> > organic solutions (proven) would be greatly appreciated."
> >
> > I treat Fire Blight with enamel paint! My Yellow Transparent
> > Apple tree
> > was infected with Fire Blight over a dozen years ago. I tried the
> > recommended spray first, then pruning. Neither worked so I sprayed
> > the infected bark with enamel paint (enamel finds its way into bark
> > folds better than latex). The paint didn't cure anything but it
> > stopped (slowed?) branches from dying. Every year I lose a couple
> > inches in height and every year I add more paint. Production has
> > been going up every year because the side branches keep growing.
> > Fire Blight will (probably?) eventually kill the tree, but had I
> > done nothing, it would have already died.
> > I side effect of painting the infection is that the paint
> > prevents the
> > disease from spreading to other trees.
> >
> > Jim Fruth
> > Brambleberry Fruit Farm
> > 4002 Davis Street
> > Pequot Lakes, MN 56472
> >
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