Repetitive somatic embryogenesis and plant regeneration inGarcinia indicachoiss

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SummaryImmature seeds of Garcinia indica Choiss, were exeised from immature fruits and cultured on Lloyd and McCown (1980), woody plant medium (WPM) with different combinations of auxins and cytokinins. Somatic embryos were obtained on the media supplemented with 6-benzy laminopurine (BA; 2.2-22.1 μM) alone or in combination with α-naphthalene acetic acid (NAA; 2.6 μM) with 80% frequency within a period of 2-3 wk. Subculture of embryos on medium containing BA (16.0 μM) supplemented with indole-3-acetic acid (IAA: 2.8-5.7 μM) and/or kinetin (4.6 μM) gave rise to clusters of secondary somatic embryos along with maturation of primary embryos. In subsequent subculture on hormone-free half-strength WPM, the embryo clusters germinated with an increase in the number of secondary somatic embryos. About 70% of somatic embryos germinated into complete plantlets, which were successfully established under greenhouse conditions.

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