<p>a) a stem segment with one node (SN explant) for adventitious buds induction (arrow indicates the nodal region without axillary bud) bar: 0.1 cm; b) adventitious buds induced from SN explants, bar: 1.5 cm; c) direct organogenesis in SN explant, bar: 0.3 cm; d) a regenerated shoot with terminal bud from SN explants for elongation and root induction (arrow indicates excision points of lateral buds), bar: 0.3 cm; e) regenerated plantlet <i>in vitro</i>, bar: 1.0 cm; f) hardened plants, bar: 1.5 cm.</p