Old wood
A stem or twig on a bonsai that originated during the previous season's
growth or at an earlier time.
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The old wood can be pruned early in the spring or after flowering. Too much pruning after flowering will have a detrimental effect on the display of fruit.
Budbreak on Old Wood
It is true that A. palmatum will sometimes sprout from adventitious buds (dormant buds between the internodes), but it has a very strong predisposition to bud out only at the nodes.
PRUNING Prune old wood in early Spring or late Summer. After flowering, trim back new growth to shape. On recently repotted or weak trees, dead flowers can be removed to encourage vigour at the expense of berry production.
Difficult to wire old wood.
Collected specimens difficult to re-establish.
CULTURAL HINTS ...
As an exogenous tree grows, it creates growth rings as new wood is laid down concentrically over the old wood.
The major styling challenge for false cypress is the fatal combination of rapid growth, die-back from lack of light, and refusal to bud on old wood.
This plant will grow shoots from old wood so keep this in mind. Also shoots grow in groups of 5 so reduce that to 2 then remove all the leaves but 2 sets on the 2 remaining shoots.
Hardwood: Hardwood cuttings are made from 3-4 year-old wood taken in mid-winter. Leaves are striped off completely, and cuttings are rooted over the course a several months. Bottom heat and growth regulator dips improve rooting.
The tree will produce buds from old wood. You should prune and thin out the new shoots, so that they can divide. It is ideal to allow the shoots to extend 3 or 4 nodes, then prune back 1 or 2 leaves as required.
Apples, as you may know, have a reputation of budding profusely from old wood and that's what mine did. Many of the buds were well placed and those that were not, were immediately rubbed off. (Luck was with me, too, regarding the apex.
Unlike deciduous trees and indeed most other conifers, pines will rarely produce buds back on old wood, that is to say wood which has shed its needles.
Most woody trees and shrubs that back-bud readily produce adventurous buds from old wood can be air-layered with a good chance of success so give it a go. It's a great way to increase your collection quickly.
Pinching of new growth results in short, dense foliage. Although budding back on old wood has been noticed in nature, it has not been seen in bonsai. Fall shedding can be controlled some by timely pruning and pinching in late summer (September).
a)foliage bust be easily reduce - able;
b)good branch ramification;
c)good surface roots; and
d)break back on old wood.
This will cause the tree to burst forth with a multitude of new buds further back on the branches, some even on old wood, the following spring. Using this technique can greatly increase the density of the branches and improve a tree considerably.
You will soon want to move on to more impressive stuff or start to create them yourself. Larch is probably the easiest to try. They are flexible, they rebud on old wood and develop a good size trunk quickly with flakey bark within 15 years.
(Reviewed by Bill Mooney and Max Miller, 01/29/2000)]; takes heavy top pruning; cut a branch off just above a thorn to stimulate new bud growth -- sometimes cutting below a thorn will cause dieback down to the next branch; buds back on old wood; ...
 See also: Bonsai, Species, Pruning, Tree, Growing
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