GENETIC TRANSFORMATION OF CUCUMBER BY AGROBACTERIUM RHIZOGENES WITH RI-PLASMID RESEARCH AND APPLICATION OF RI RLASMID IN PLANT GENE ENGINEERING Research of the hairy-root of Rhodiola sachalinensis A.Bor. The Transference of Ri-Plasmid from Agrobacterium rhizogenes to Scopolia lurida Revealed by the Hairy Root Cultivation and the Alkaloids Production