Fig. 4From: Changes in abscisic acid metabolism in relation to the maturation of grapevine (Vitis vinifera L., cv. Mencía) somatic embryosDifferentiation of grapevine cv. Mencía somatic embryo aggregates cultured in DM1 medium over a semipermeable cellulose acetate membrane. a General view of a 9 cm-diameter Petri plate containing DM1 differentiation medium with somatic embryo aggregates just placed over the semipermeable membrane. b Detail of the somatic embryo aggregates cultured on DM1 differentiation medium over the semipermeable membrane. Bar: 0.5 mm. c Growth of the somatic embryo aggregates after 30 days of culture on DM1 differentiation medium over the semipermeable membrane. d Normal development of somatic embryos on DM1 differentiation medium over the semipermeable membrane. Bar: 1 mmBack to article page