Summary
Suspension cultures initiated from calluses derived from seedling leaf explants of Acacia sinuata (Lour.) Merr. produced somatic embryos. Embryogenic callus was induced on semisolid MS (Murashige and Skoog, 1962) medium supplemented with 4.52 μM 2,4-dichlorophenoxyacetic acid (2,4-D) and 2.22 μM 6-benzylaminopurine. A high frequency of somatic embryos was induced in MS liquid medium supplemented with 4.52 μM 2,4-D and 10% coconut water. Further studies on ontogeny of somatic embryos showed that the cells destined to become somatic embryos divided into spherical proembryos. Subsequent development led to the formation of globular, heart, torpedo-shaped and cotyledonary-stage embryos. The conversion of somatic embryos occurred on auxin-free MS medium. Effects of various auxins, cytokinins, carbohydrates and amino acids in enhancing productin, of somatic embryos were studied. MS medium supplemented with 87.64 mM sucrose and 342.46 μM glutamine promoted higher somatic embryo production whereas cytokinin had no effect and led to recallusing of embryos. About 8–10% of embryos converted into plants.
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Vengadesan, G., Ganapathi, A., Anbazhagan, V.R. et al. Somatic embryogenesis in cell suspension cultures of Acacia sinuata (Lour.) Merr.. In Vitro Cell.Dev.Biol.-Plant 38, 52–57 (2002). https://doi.org/10.1079/IVP2001256
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DOI: https://doi.org/10.1079/IVP2001256