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nafex - RE: [NAFEX] Cleft graft vs bark.

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  • From: "Gordon Nofs" <gc_nofs@hotmail.com>
  • To: nafex@lists.ibiblio.org
  • Subject: RE: [NAFEX] Cleft graft vs bark.
  • Date: Wed, 17 Mar 2004 12:16:33 -0500



I agree with Jerry.

In the cleft graft you only have the one side for cambium. and you have to choose the widest side to the outside to match the cambium. You must be very careful on only covering the cut across and not filling it.


Gordon C. Nofs

Flint, MI.

************************************************************************

From: Jwlehman@aol.com
Reply-To: North American Fruit Explorers
To: nafex@lists.ibiblio.org
Subject: [NAFEX] Cleft graft vs bark.
Date: Wed, 17 Mar 2004 11:57:09 EST

> Does anyone still make cleft grafting tools?
> If not what do most people use now?

The cleft graft is another old method that does work, but bark grafting is
better and easier. Although I've not made a study of it, my guess would be twice
the success rate of bark grafting over cleft. I've visited many University
test plots and see very very few cleft grafts. Bark is the preferred method. One
of the problems with the cleft graft is normally only two can be placed on
the understock that has been cut off, one on each side. Last summer at the
annual NNGA meeting in Michigan we saw chestnuts top worked on trees with 5 and 6
inch diameter trees. They recommended to help heal over the wounded area faster
that one scion be placed for every inch of diameter. So a 6 inch understock
would have 6 scions evenly placed around it. This promotes healing over the
exposed area faster while a cleft graft would only have 2 grafts and would take
much longer to completely heal. Then after healing over is completed, one by
one the grafts are cut off.

Most bark grafting I do is on persimmon two and three inches across. Two
scions placed across from each other is much better than one. It normally
completely heals across in the second year. Then in the third year I cut off the
poorer of the two grafts, leaving one. If anyone wants pictures I can take and e/m
on the net. One other thing that reduces the success rate in cleft grafting is
the extremely small area of cambium to cambium contact. Jerry Lehman

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