We have a voracious Chinese Wisteria, and sometimes it gets ahead of us. Suddenly it makes an appearance in our Juniper border 20' away, and here's how we safely deal with it. A variation of this technique can be used on Ailanthus.
Name: Ric Sanders Dover, Pa. (Zone 6b) And his children Are his flowers ..
If you separate the source and the target plant, yes it will work. I cut about 6"s out of the feeder root of mine. If you do not cut a separation it will feed back and kill the host.
