State Key Laboratory of Tree Genetics and Breeding of Forestry Forestry University;
State Forestry and Grassland Administration Engineering Technology Research Center of Korean Pine;
Laboratory of Forest Genetics and Breeding of the Russian Academy of Sciences.N.Sukachev Institute of Forest Siberian Branch of RAS;
Department of Cell Biology and Institute of Plant Physiology.A.Timiryazev Russian Academy of Sciences;
Department of Plant Physiology Faculty Moscow State University;
Pinus koraiensis Sieb.et Zucc; embryogenic tissue; liquid suspension medium; cell proliferation;