"Doug Kanter" writes in article dated Wed, 11 May 2005 20:53:14 GMT:
I've never used a gel, but I've had good results from Rootone powder.

Dragone rooting hormone is also good.

Dip the bottom 1-2" of the cutting in water, shake off the drops, dip it in
powder (which sticks because it's wet), and jam it into a "peat pellet".

-- spud_demon -at- thundermaker.net
The above may not (yet) represent the opinions of my employer.