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'Royal Bonica' rose Reviews & Comments
most recent 15 JAN 24  
Initial post 19 OCT 15 by Michael Garhart
Has anyone tested the ploidy for this rose? I have wondered if it is a tetraploid mutation.
Reply #1 posted 2 JAN 24 by A Rose Man
David Zlesak reported it as being triploid in 'Pollen diameter and guard cell length as predictors of ploidy in diverse rose cultivars, species, and breeding lines'
Reply #2 posted 15 JAN 24 by Michael Garhart
Thanks. Interesting. Makes me wonder what exactly mutated for the new phenotype to spring up. Usually sports are less novel, like strictly a change in color for one genetic reason or another.
most recent 2 JAN 24  
Initial post 2 JAN 24 by A Rose Man
This cultivar is listed as triploid in the paper 'Pollen diameter and guard cell length as predictors of ploidy in diverse rose cultivars, species, and breeding lines'
most recent 8 JUN 10  
Initial post 8 JUN 10 by morgan
Two roses I have had no luck with are Cherry Mediland and Royal bonica. I live in central florida and I suppose the nematodes ate their roots. Not into pot culture so unless I find these varieties on Fortuniana rootstock I suppose I'l just have to suffer. Any ideas on this matter as to how I could raise them here???
most recent 29 JAN 09  
Initial post 28 JAN 09 by Unregistered Guest
Available from - cooks
Reply #2 posted 29 JAN 09 by HMF Admin
who is Cooks ?