| abstract |
(57) [Summary] [Structure] Fritillaria plant tissue pieces are cultured to form cultured tissue pieces, and (1) the cultured tissue pieces are divided and cultured in an auxin-containing medium to differentiate follicle cells. Mass production of seedlings of the genus Fritillaria, comprising a step of forming a follicle and a step of (2) culturing the follicle in a medium that does not substantially contain auxin to form an enlarged follicle. Method. [Effect] Compared with the conventional breeding method, it is possible to grow a large amount of Fritillaria spp. |