“…It has been previously documented that plumbagin production can be enhanced, particularly in the genus Plumbago . Numerous Plumbago culture types, including root, hairy root, callus and cell suspension cultures, have been examined [ 15 , 16 , 17 , 18 , 19 , 20 , 21 , 40 ], but the in vitro-regenerated shoots of P. indica have not been the subject of this kind of investigation. One advantage of application with the regenerated shoots is maintaining genetic stability.…”