@fruitnut Steven, but it appears that there is an application of bending to plums & derivatives thereof to address excess vigor. My Sweet Treat pluerry is out of control despite summer and winter pruning for ‘size control’. Yeah well, that didn’t work, LOL. For every cut, five more vigorous shoots resulted. From @thecityman’s reference and others I’ve read, it seems to have a serious hormone imbalance 
. I fed it no nitrogen. Burgundy plum and Flavor Supreme pluot are not as unruly and flowered and set fruit inversely proportional to vegetative vigor, with Sweet Treat setting least.
I considered girdling and got the special knife but bending seemed less violent. Girdling seems to have a similar effect on the distribution of hormones. I may do a little of both.
So my conclusion is that trees other than apples might benefit. Yes?
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