you want the cut area to dry-out and harden over ...any humidity will prolong the drying process - and may cause mold & mildew instead ...air dry - in a shady spot
cinnamon is used as a very mild anti fungal powder - that wont kill the user in the process - it also "sops-up" plant sap
the top - same as bottom ..it too needs to dry out - depends on humidity / dew point of how long that will take ...if its super dry maybe 4-5 days ...if its humid 10 or more days ....
when dry / hardened / scabbed over it is time to root ........ rooting will take place faster in damp-sand ...at this stage - keep damp - but not dripping wet -
once rooted - give it 2-3 weeks - to grow a healthy root system - then repot in fast draining potting mix
wait awhile for more branches - top and bottom has just been severed - that's a lot of stress to recover from
to get more branching - and more stem tips ...cut off existing branches at about 1/2 way from main trunk- or cut off the last 2" or so ...this will force more branches to emerge .... you will get anywhere from 1 to 5 new branches ....for best survival of those new branches to survive .. pinch out any new leaves shading out other new branches
don't expect any results quickly - adenium respond to changes like molasses
