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Somatic seeds of Plantago asiatica L.

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Somatic seeds of Plantago asiatica L. were produced for the first time. Shoot-tips isolated from in vitro obtained 4-week shoots were encapsulated using sodium alginate and calcium chloride. Capsules with or without sucrose and with and without cytokinin - indole-3-butyric acid (IBA) were used. Sucrose presence in capsules very distinctly influences somatic seeds of Plantago asiatica germination and their conversion into plants. However, addition of IBA to capsules has not clear influence on the ability of plant regrowth. Plantlets transplanted to soil grew to phenotypically normal plants.
White yam was fortified with cassava and plantain flours to develop a traditional food called ‘amala’. The fortified amala were subjected to organoleptic and chemical evaluations. Results showed that the protein and water absorption capacity of the fortified amala increased significantly. The panelists found yam fortified with plantain more acceptable. The samples stored in the refrigerator produced low pH values, remained fresh and maintained their attractive organoleptic attributes for a longer period than those stored at the room temperature.
An efficient protocol was developed for in vitro mass propagation of the commercial cultivar Musa acuminata cv. Dwarf Cavendish through shoot apices culture. Shoot apices with 2-3 pairs of leaf primordia were induced from sliced rhizome explants on Murashige and Skoog (1962) medium supplemented with 6.0 mg/l BA, 150 mg/l Ads and 3% (w/v) sucrose. Multiple shoots were induced from meristematic domes on the same medium. Addition of 1.0-1.5 mg/l IAA to the culture medium and incubation in continuous light (24 h) increased the yield of multiple shoots. The high multiplication coefficient was maintained stable up to the 5th subculture; thereafter it declined. Rooting was readily achieved upon transferring the shoots onto half-strength MS medium supplemented with 500 mg/l activated charcoal and 2% (w/v) sucrose. Micropropagated plantlets were hardened in a polyethylene house and successfully established in soil. There was no morphological variation among the micropropagated plants.
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