North American Fruit Explorers mailing list at ibiblio

["Rodney Eveland" <reveland@collinscom.net>]

While searching for black tip I came across this site which tells how
to clone. Thought you might be interested.

http://www.hydroponicsbc.com/propogation.html

You would probably have to modify a bit to suit your own situation and
perhaps someone can come up with a surefire method if these people's
isn't good enough.