This study reports the effects of thidiazuron (TDZ) on the endogenous levels of
indoleacetic acid (IAA), zeatin, zeatin riboside ([9R]Z), isopentenyladenine and
isopentenyladenosine ([9R]iP) as well as structural changes in the apical meristem of
Dendrobium Second Love shoots during flower induction and initial development in
vitro.