Анотація:
Transplantation methods of Sorbus L. and Quercus L. species, methods of improved copulation (cleft-grafting and copulation) in particular were studied. The most effective method for wiggen grafting is improved copulation when innergeneric transplantating. Cleft-grafting and intergeneric grafting being of less effect. Copulation is the effective method for oak-trees while the improved copulation technique is ineffective.