Kultur in vitro internodus melastoma malabathricum (l.) pada medium murashige & skoog (1962) (MS) dengan penambahan thidiazuron (TDZ) dan asam 2,4-diklorofenoksiasetat (2,4-D) = In vitro culture from internode Melastoma malabthricum (l.) on murashige & skoog (1962) (MS) modified medium with thidiazuron (TDZ) and 2,4-dichlorophenoxyacetic (2,4-D)