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Bark grafting question

 
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klemmd
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Posted: Sat 30 Nov, 2013 2:43 pm

In this pretty good tutorial on Bark Grafting, it was unfortunate that the slit into which the graft was placed was away from the camera...toward the backside of the rootstock.

link

So my question is, do both flaps of the bark cover the piece of scion?

In other words, if one were to view it on cross section, would it look like this prior to wrapping?


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mrtexas
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Posted: Sat 30 Nov, 2013 5:20 pm

klemmd wrote:

So my question is, do both flaps of the bark cover the piece of scion?


Could but not necessary
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klemmd
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Posted: Sat 30 Nov, 2013 8:02 pm

Is it preferable?

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Millet
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Posted: Sat 30 Nov, 2013 9:24 pm

Yes, especially if both sides line up well. - Millet
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klemmd
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Posted: Mon 02 Dec, 2013 2:26 pm

[quote="Millet"]Yes, especially if both sides line up well. - Millet[/quote]

Not sure I understand your comment. Since the bark OVERLAPS the scion, there is really nothing to 'line up'. Can you elaborate?

Thanks in advance!

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mrtexas
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Posted: Mon 02 Dec, 2013 3:12 pm

When I bark graft I make two slits in the bark, just the width of the scion and pull back the bark flap to insert the scion. I then make two chisel points on the scion, one long and one shorter. I trim the bark flap to match the short chisel. It work work with one slit or two, your choice.

https://sites.google.com/site/mrtexascitrus/home/barkinlaygraft
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klemmd
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Posted: Mon 02 Dec, 2013 5:17 pm

Thanks. I do not understand: 'two chisel points'

dave

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klemmd
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Posted: Tue 03 Dec, 2013 12:11 pm

Here's a method I saw on You Tube for doing a bark graft onto a rootstock of fairly large diameter. He said a scion with two buds is ideal.

Ideally, the exposed green part of the scion should only be 1/3 the length of the cut part which slips under the bark.

It looks to me like this method might allow easier forcing than a bud graft.

Has anyone tried this?



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mrtexas
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Posted: Tue 03 Dec, 2013 2:25 pm

klemmd wrote:
Thanks. I do not understand: 'two chisel points'

dave


On one side of the scion I make a long cut that goes to the branch side of the rootstock. On the other side of the scion I make a shorter cut and that goes on the flap side. I cut off the flap to match the short cut. Bark must be slipping for this graft.

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mrtexas
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Posted: Tue 03 Dec, 2013 2:27 pm

klemmd wrote:
Here's a method I saw on You Tube for doing a bark graft onto a rootstock of fairly large diameter. He said a scion with two buds is ideal.

Ideally, the exposed green part of the scion should only be 1/3 the length of the cut part which slips under the bark.

It looks to me like this method might allow easier forcing than a bud graft.

Has anyone tried this?


This is just another variation of the bark graft.

http://aggie-horticulture.tamu.edu/propagation/inlay/inlay.html
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klemmd
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Posted: Tue 03 Dec, 2013 3:15 pm

Mr Texas, thanks for the diagram. Illustrations always help. Words are sometimes inadequate for explaining three dimensional processes.

Looks like there are many, many ways to do bark grafting.

Question: Does the cambium 'layer' adhere to the inner surface of peeled bark as well as to the inner core of the rootstock? Not sure if that makes sense. In other words, should I expect cambium 'welding' on both cut sides (surfaces) of the scion?

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mrtexas
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Posted: Tue 03 Dec, 2013 6:58 pm

klemmd wrote:
Mr Texas, thanks for the diagram. Illustrations always help. Words are sometimes inadequate for explaining three dimensional processes.

Looks like there are many, many ways to do bark grafting.

Question: Does the cambium 'layer' adhere to the inner surface of peeled bark as well as to the inner core of the rootstock? Not sure if that makes sense. In other words, should I expect cambium 'welding' on both cut sides (surfaces) of the scion?


yes
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klemmd
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Posted: Wed 04 Dec, 2013 1:19 pm

Mr Texas, what is the rationale for creating such a relatively small cut (exposed area) on the scion that faces the bark side (vs. the wood side of the rootstock)?

I thought one wanted to maximize exposing the scion to cambium?

Does it have to do with preserving the vigor of the scion?

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mrtexas
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Posted: Wed 04 Dec, 2013 7:52 pm

Don't know the reason. You could just stick with a cut on one side like on the A&M link. Bonnie Childers showed me how to do the short/long cut.
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