Fig. 1

Plant material at different stages during the germination and growth. Seeds separated from mesocarp and endocarp (a); embryos extracted from seeds previously activated by water imbibition for 24 h (b); seedlings grown in vitro under chamber conditions until they were two months old (c); three-month-old seedlings in pots (d); growth data of seedlings from the in vitro culture of zygotic olive embryos at 3 and 6 months from induction of germination (e)