I would like to know, if somebody, is working in this subject.
Besides the manual of Donald J. Holeman, is there any updated
or newest information ?
Thank you !
Here is some of my experience
https://www.rosebreeders.org/forum/viewtopic.php?f=2&t=56684
Dear Moongoose 72,
Thank you very much for sharing your experience. I appreciated it very much !