Thanks very much for the info.ive never tried, but this chap seemed to have success
Old Acer campestre - Field Maple. Airlayering and forming
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 buibonsaiclub.forumotion.com