
Development of an efficient callus proliferation system for Rheum coreanum Nakai, a rare medicinal plant growing in Democratic People’s Republic of Korea
Keywords: 2,4-D, 2,4-dicholorophenoxy acetic acid; BAP, 6-benzylaminopurine; IAA, indole-3-acetic acid; IBA, indole-3-butyric acid; KT, kinetin; MS, Murashige and Skoog culture medium; NAA, a-naphthalene acetic acidAnthraquinone; Plant growth regulators; Rheum core