State: best when inactive or dormant
to winter injury: for plants easily damaged by winter freezes
of flower bud formation on flowering plants:
pruning should be to equalize root/shoot ratio, thus, decrease transplanting
after cold of winter
remove all winter killed tissue
you may need to allow some spring
growth to tell if tissue is dead or not.
equalize root/shoot ratio:
immediately after or at the time of transplanting
prune before transplanting (months to years).
Chemicals that selectively
kill or disrupt shoot tips to remove apical dominance.
3) Maleic hydrazide
4) Emgard 2007