Old Acer campestre - Field Maple. Airlayering and forming

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Old Acer campestre - Field Maple. Airlayering and forming

Post  Herbert A on 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.



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



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



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



After growing one Season i startet to work with the tree.
First i removed or shorten the branches.




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.


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.



After that i put on Sphagnummoss and closed with plastic.



Last edited by Herbert A on Sun May 21, 2017 10:41 pm; edited 1 time in total
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Re: Old Acer campestre - Field Maple. Airlayering and forming

Post  Herbert A on 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.



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.


In March 2014 i looked again. Now it seems to be successful.



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.



Cut the thik old roots with a saw.



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.






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





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Re: Old Acer campestre - Field Maple. Airlayering and forming

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

In winter 2015 it was time to start with Progression.

One of the trunk must be shortened.





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.









The result after working.


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Re: Old Acer campestre - Field Maple. Airlayering and forming

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

In March 2015 it was time for a rootcheck.



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



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



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

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Re: Old Acer campestre - Field Maple. Airlayering and forming

Post  Herbert A on 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.



I like the autumn coloring.



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.



Wash out all the soil.


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



Now he can be planted in an better pot.
Five years after starting to make a Bonsai.


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

ciao
Herbert

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Re: Old Acer campestre - Field Maple. Airlayering and forming

Post  Vlad on 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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Re: Old Acer campestre - Field Maple. Airlayering and forming

Post  kevin stoeveken on 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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