Only do major actions on healthy plants. If you dig up a tree, do not do anything after the initial chop and potting for at least a year, often longer. After a good wiring and pruning job, it is not time to repot. Defolation is only needed on plants with a full head of foliage, that is so dense that innerr banches start to die off.
Although it feel counter-intuitive, working slowly with large intervals will give you faster results. Defoliating a living but weak tree might result in branch dieback, whereas that same tree in optimal health may through buds everywhere. I have seen this time and again, also on my own trees. Top health makes for fast development. THis includes letting the plant grow for a year after major work has been done.
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