Quote:
Originally Posted by J-Bog
When is it better to use Air Layering as opposed to cuttings or other propagation techniques?
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Air layers are normally used to reduce the overall height of a given tree at some interesting point, or to produce a radial root mass at the trunks base.
They are also used on mature garden trees where an interesting junction exist and you wish to turn this (large cutting) into a bonsai while keeping the donor intact.