It's not the BEST way to make own root cuttings. You may get some rooted, but it depends on the varieties. The sure way is to make cuttings from NEW growth. Check out my web-sites gallery for "OWN Root Cuttings Setup" with 30 images and lots of tips and info.
Good luck
George Mander

Here is a link that might be useful: Roses of Excellence

I disagree I want only roses grown on their own roots.I have tons of sites to grow roses from cuttings.Here are just a few.
http://www.bmi.net/roseguy/cuttings.html
http://www.rooting-hormones.com/rose.htm
http://members.fortunecity.com/cnetter/rose_tour/rose_cut.html#
http://www.goldcoastrose.org/shared/rooting-roses.htm
http://www.rooting-hormones.com/hudson.htm
http://gardening-articles.com/20-rooting%20cuttings.htm
http://planttraders.ipbhost.com/index.php?showtopic=12116
I hope this helps you,If you fail the first time try again,I failed several times before I got it down pat and still mess up sometimes.