Figure 1.

Direct adventitious regeneration from immature peach cotyledons: (a–c) Bud regeneration observed in immature cotyledons of “Starlite”, “Bailey”, and “Guardian”, respectively, under no selection regime and controls after 5–6 weeks from the beginning of the experiment (bar = 0.5 cm). (d) Rooted shoots after 4 weeks in rooting medium prepared for acclimatization (bar = 1 cm). (e) Potted plant cultured in a greenhouse after the rooting and acclimatization process. (f) Scheme of the methodology followed for regeneration of transformed shoots.