Аннотация:The article presents the results of three-year
studies on microclonal propagation of climbing roses
«PalaisRoyal», «Camelot»and «Nahema». At the stage of
proliferation the optimum concentration of cytokinin 6-
benzylaminopurine (6-BAP) in the Murashige and Skoog
medium (MSO) for three varieties of roses was 1.0 mg/L. With
an increase in the cytokinin content to 2.0 mg/l, a tendency to
the proliferation coefficient increase was observed. Positive
average correlation dependence of the proliferation coefficient
on the size of a cutting was revealed. The use of the commercial
product "Siliplant" as trace elements had a positive effect on
lengthening of the microcuttings of three rose varieties. The
proliferation coefficient was not significantly different from the
control one. In order to prepare for the rhizogenesis stage,
glucose is the best carbohydrate in the composition of the
nutrient medium compared to sucrose, as evidenced by a
statistically valid improvement in the quality of the cuttings.
The optimal cultivation soil for the adaptation of rose seedlings
is a physico-chemical-balanced soil mixture based on highmoor
and transitional peat.