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Old Acer campestre - Field Maple. Airlayering and forming

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Old Acer campestre - Field Maple. Airlayering and forming Empty Old Acer campestre - Field Maple. Airlayering and forming

Post  Herbert A Sun May 21, 2017 10:00 pm

Hi
2011 i bought a old Field maple.
I knew that it will be a lot of work to make from this wild tree a Bonsai. So i warn you. It will be a long thread.

Old Acer campestre - Field Maple. Airlayering and forming 001_1810

After buying a tree a make a virtual. This is the Vision of the tree in a few years.

Old Acer campestre - Field Maple. Airlayering and forming 000_vi10

The greatest Problem of this tree was that the trunk gets thinner and that there was no good nebari.

Old Acer campestre - Field Maple. Airlayering and forming 009_1810

The branches where too thick and a lot of them is not to use.

Old Acer campestre - Field Maple. Airlayering and forming 021_3110

After growing one Season i startet to work with the tree.
First i removed or shorten the branches.
Old Acer campestre - Field Maple. Airlayering and forming 035_3110

Old Acer campestre - Field Maple. Airlayering and forming 049_3110

In spring 2012 i started airlayering the tree. I informed me in the Internet but i did not find many results of airlayering a old field maple.
We will see.

First i marked the line.
Old Acer campestre - Field Maple. Airlayering and forming 057_2510

And the i removed the bark. A knew that a Field maple makes al lot of callus, so i remove a wider ring of bark as usual.

Old Acer campestre - Field Maple. Airlayering and forming 063_2510

After that i put on Sphagnummoss and closed with plastic.

Old Acer campestre - Field Maple. Airlayering and forming 065_2510


Last edited by Herbert A on Sun May 21, 2017 10:41 pm; edited 1 time in total
Herbert A
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Post  Herbert A Sun May 21, 2017 10:21 pm

7 Month later in October 2012 i looked it the tree has made now roots.
There were no roots. Nothing! Just a lot of callus.

Old Acer campestre - Field Maple. Airlayering and forming 071_1410

There were two possibilities. If ailayering a tree it is very important that it is warm under the plastic. So the Sphagnummoss was in contact with the soil and it could be that it was to wet and to cold. Oterwise the tree Needs more time to make new roots.

But we will see. Now i made a new tecnique. I put plastic film on the Substrate that there was no contact with the soil and i took just pumice and akadama instead of Shagnummoss.

Old Acer campestre - Field Maple. Airlayering and forming 075_1210
In March 2014 i looked again. Now it seems to be successful.

Old Acer campestre - Field Maple. Airlayering and forming 077_2210

Wouw - what a lot of roots. I was very glad that i put plastic film on the ground. So the new roots could not grow into the soil of the rootball.

Old Acer campestre - Field Maple. Airlayering and forming 079_2210

Cut the thik old roots with a saw.

Old Acer campestre - Field Maple. Airlayering and forming 081_2210

It was not possible to cut as near as i wanted to cut becaus i would damage a lot of the new roots. So it was better to remove the Wood with a machine.
Old Acer campestre - Field Maple. Airlayering and forming 083_2210

Old Acer campestre - Field Maple. Airlayering and forming 084_2210

Old Acer campestre - Field Maple. Airlayering and forming 085_2210

Now after two years airlayering the tree is ready for a trainingspot.

Old Acer campestre - Field Maple. Airlayering and forming 087_2210

Old Acer campestre - Field Maple. Airlayering and forming 088_2210

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Post  Herbert A Sun May 21, 2017 10:30 pm

In winter 2015 it was time to start with Progression.

One of the trunk must be shortened.

Old Acer campestre - Field Maple. Airlayering and forming 0107_110

Old Acer campestre - Field Maple. Airlayering and forming 0109_110

And the top of the tree has to move to the right side. The Wood is very hard, so i had to use a Piece of iron.

Old Acer campestre - Field Maple. Airlayering and forming 0102a_10

Old Acer campestre - Field Maple. Airlayering and forming 0102e_10

Old Acer campestre - Field Maple. Airlayering and forming 0102g_10

Old Acer campestre - Field Maple. Airlayering and forming 0102h_10

The result after working.
Old Acer campestre - Field Maple. Airlayering and forming 0111_110

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Post  Herbert A Sun May 21, 2017 10:39 pm

In March 2015 it was time for a rootcheck.

Old Acer campestre - Field Maple. Airlayering and forming 0130_210

Here you can see a part where no roots have grown while the airlayering.

Old Acer campestre - Field Maple. Airlayering and forming 0133_210

I put Shagnummoss and a plastikfilm on the soil and after one Season the tree made new roots.

Old Acer campestre - Field Maple. Airlayering and forming 0133b_10

The tree four years after i bought him. The base is made. I think the tree is on a good way.

Old Acer campestre - Field Maple. Airlayering and forming 0144_210
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Post  Herbert A Sun May 21, 2017 10:54 pm

Modification of deadwood afer removing a branch. If there would be great wounds i do not cut the branch directly on the stem but leave a piece.
I think it is more beautiful.

Old Acer campestre - Field Maple. Airlayering and forming 0160_110

I like the autumn coloring.

Old Acer campestre - Field Maple. Airlayering and forming 0162_310

In April 2016 it was time to select the roots. We don´t Need all the roots for al good nebari. Just the roots we want to see are important.

Old Acer campestre - Field Maple. Airlayering and forming 0183_010

Wash out all the soil.
Old Acer campestre - Field Maple. Airlayering and forming 0185_010

And cut all roots we do not need for a good Nebari. So the existing roots will thicken.

Old Acer campestre - Field Maple. Airlayering and forming 0196_010

Now he can be planted in an better pot.
Five years after starting to make a Bonsai.
Old Acer campestre - Field Maple. Airlayering and forming 0219_110

The next days i will make a picture how he Looks actually.

ciao
Herbert

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Post  Vlad Mon May 22, 2017 7:59 am

Great educational  thread  Herbert.   I do like the way you have handled the deadwood of the branch remains.  Looks very natural.

On the other side I am a bit confused about the air layering technique.   I do prefer to use a pond backet to a plastic foil any time the location allows.  And a mix of  an airy substrate with a cut sphagnum moss.  I believe one will get much more roots and better spread of them with this method.  So up to this we are on the same line.  When it comes to the temperature and the usage of a plastic foil to cover the soil below the airlayer  it seems we differ.  I believe that the optimum temperature range for the best root development should be somewhere between 18-25 °C( at least in Central Europe ).  The plastic foil on the top of the original root ball reduces the air flow so in my view this is something that makes life of the original root ball even more difficult and reduces the drainage capacity of the air layered location.      The great things is though  that at the end there is a great new rootball Cool .  


Btw I believe you have another great cornus in your garden Very Happy .
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Post  Kevin S - Wisco Bonsai Mon May 22, 2017 5:48 pm

as always, thanks Herbert - many of us really enjoy seeing the process, and thereby learning from it.
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