North American Fruit Explorers mailing list at ibiblio

["loneroc" <loneroc@mwt.net>]

Jim and Dave,

My old Macintosh had a big hollow that held water.  I filled it with that
insulating urethane foam stuff.  I removed most of the punky wood first and
sprayed the cavity with a concentrated Kocide (copper) solution.  The tree
is starting to heal over the opening.  Painting didn't work.  Since the foam
keeps expanding for quite a while after application you've got to slice off
the excess.  Paint didn't form a nice topcoat so you see some foam through
it.  I suppose that I could've  figured out a better coating, but it wasn't
worth the trouble at the time.

The only down side I could see before I tried the foam was potentially
faster rotting of the heartwood--hence the copper.  In hindsight I can't
imagine that the tree would have been better off filled with water.

Steve Herje, Lone Rock, WI  -20ish is the low here thus far this winter, but
Hamemelis vernalis was peeking out when we reached 50 this past weekend.

----- Original Message ----- 
From: "Dave Griffin" <griffingardens@earthlink.net>
To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
Sent: Tuesday, February 08, 2005 9:07 AM
Subject: RE: [NAFEX] Loquat Tree Damage


> Jim,
>
> I like the thought of "Great Stuf" type foam filler for tree cracks and
> cavities - it sticks tight, try using it without having to wear it for the
> rest of the useful life of that shirt, and hardens up well so I would
think
> it would be insect proof. It does decay in sunlight but I suppose paint
> might help.
>
> Dave
> Central MN
> zone 4a
> (where everybody knows a thing or two about Great Stuf.)
>
>
> > [Original Message]
> > From: Jim Fruth <jfruth@uslink.net>
> > To: <nafex@lists.ibiblio.org>
> > Date: 2/8/05 8:54:20 AM
> > Subject: [NAFEX] Loquat Tree Damage
> >
> >     Responding to Rob Hamilton's request about saving his loquat tree, I
> had
> > a similar thing happen to one of my best maple sap producing maple
trees.
> > It had three main top branches.  A storm broke one off and the remaining
> two
> > were split apart 6' down the trunk.  I winched the two together as tight
> as
> > possible to close the gap between them.  Then I wrapped a 3/8" steel
cable
> > around the two securing the ends with (two) cable clamps.  Wherever
there
> > was a still open gap, I sprayed it full using spray foam.  It worked.
> >
> > Jim Fruth
> > Pequot Lakes, MN
> >
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