Fig. 3From: Development of a highly efficient virus-free regeneration system of Salvia miltiorrhiza from Sichuan using apical meristem as explantsCallus growth of different secondary materials (cutted from directly regenerated buds) on B6 media under the light condition with 16 h light/ 8 h dark. A Callus from secondary apical meristem, B culture effect of secondary leaf in B6, and C culture effect of secondary petiole in B6. Three replication of each group were laid. Data were collected after 3 weeksBack to article page