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Creating a Nebari can be done using two methods; by regularly pruning the downward growing
roots or by applying a propagation technique; air layering.
Both methods will be described in detail now.
Regular root pruning
By removing downward growing roots every time you repot a tree you shift growth to the sideward
growing roots (see photo 1). In doing so, over time these roots will grow thicker and ultimately
create a natural looking Nebari.
The tourniquet method
This method involves tightly wrapping copper wire around the base of the trunk, partially blocking the stream of nutrients from the roots. When the trunk grows thicker the stream of nutrients will decrease more and more, forcing it to grow new roots just above the wire. Apply a tourniquet during the spring.
Step-by-step plan for applying the tourniquet method
1. Wrap a piece of copper wire all the way around the trunk right at the point where you like new
roots to grow (see photo 2). The wire should cut about halfway into the bark; the thicker the trunk
the thicker the wire should be.
2. Dust some rooting hormone (available at Bonsai shops) around the ‘wound’ and cover it with
normal soil. Do not cut off the part underneath the wire until enough roots have developed above
the wire; this will take one or two years. When cutting off the lower part, seal the wound with wound
paste.
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