Sorry to be the bearer of bad news but odds are it won't take.
You would have to graft it back on and you will have better luck just rooting the broken off portion.

On a brighter note you now have a possible clone.

Good Luck
Dreadscale Reviewed by Dreadscale on . wow...bad luck streak ok... i dont want to compleatly get into it but my indoor grow has turned into a outdoor grow with a few weeks left of flowering, add that stress to the fact that my friend just compleatly broke off the main stem of my bagseed plant:mad::mad::mad:. will a splint and tape work if its compleatly off??? please help and is there anything more i can do for it Rating: 5