Somatic embryogenesis of the banana hybrid cultivar FHIA-18 (AAAB) in liquid medium and scaled-up in a bioreactor
2002
Kosky, R.G. | Silva, M. de F. | Perez, L.P. | Gilliard, T. | Martinez, F.B. | Vega, M.R. | Milian, M.C. | Mendoza, E.Q.
The development of somatic embryos in liquid culture medium has a number of advantages for large-scale propagation of plants. This paper describes an improved system for the mass propagation via somatic embryogenesis of the banana hybrid cultivar FHIA-18 (AAAB). Explants from immature male flowers were used to form high frequency embryogenic tissue, this tissue was then used to establish embryogenic cell suspensions in a basic MS medium plus 1.0 mg l-1 biotin, 100 mg l-1 glutamine, 100 mg l-1 malt extract (Sigma), 1.0 mg l-1 2,4-D and 45 g l-1 sucrose. Secondary multiplication of somatic embryos was achieved in liquid media in rotary shaker and in bioreactors. The number of embryos per litre obtained with 80.0% DO2 and effects of pH were also studied. A high regeneration percentage of plants were obtained (89.3%) in only 1 month of culture, somatic embryos were then placed to germinate in temporary immersion systems and field testing of somaclonal variation.
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