Nicotine contents of flower buds and seeds of tea plants (Yabukita), cultured tea cells and B5 medium before and after 9 days cultivation, and leaves, stems and roots of tea seedlings cultured under aseptic conditions for 90 days.

Nicotine contents of flower buds and seeds of tea plants (Yabukita), cultured tea cells and B5 medium before and after 9 days cultivation, and leaves, stems and roots of tea seedlings cultured under aseptic conditions for 90 days.