Erigeron breviscapus (Vant.)Hand.-Mazz., a wild medicinal plant used as the raw material for breviscapin extraction, nowadays has been endangered due to over-harvesting. Artificial cultivation of E. breviscapus has been tried in Yunnan Province of China, however, difficulties in seedling reproduction and germplasm degraded turn to be a great handicap in large scale cultivation. In this study, firstly, a rapid seedling raise program was developed by germinating sterilized seeds on MSo (Murashige and Skoog) m...