Archives of Biological Sciences 2003 Volume 55, Issue 3-4, Pages: 77-80
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Callus induction and plant regeneration in the moss Aloina Aloides (Schultz) Kindb. (Pottiaceae, Bryopsida)

Bijelović Aneta, Sabovljević Marko S.

Callus induction of moss species Aloina aloides (Schultz) Kindb. was obtained on Murashige and Skoog (MS) medium supplemented with 1.0 mg/L 2,4-dichlorophenoxyacetic acid (2,4-D) or with 1.0 mg/L 2,4-D and 1.0 mg/L kinetin (KIN) or with 0.2 mg/L indole-3-butyric acid (IBA) and 2.0 mg/L 6-benzylaminopurine (BAP) or with 7.5 g/L of sucrose or with 15 g/L of sucrose or hormone - free and sugar free MS basal medium. The callus can be maintained for a long period of time without bud formation subcultured on the above media, at 16 h day/8 h night, 25 ± 2ºC, 60-70% air humidity and irradiance of 50 μmol m-2s-1. To obtain plant regeneration pieces, calli were transferred onto MS media supplemented with different concentrations of auxins and cytokinins (1.0 mg/L 2,4-D and 2 mg/L KIN; 0.2 mg/L IBA and 2 mg/L KIN; or 0.2 mg/L IAA and 2 mg/L BAP). In these media after subculturing, callus enlarges and turns to gametophytes with buds. Except for a smaller size, the plants obtained on the callus did not differ morphoanatomically from the shoots in the nature.

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