Abstract

This experiment was carried out to develop rapid mass propagation via shoot organogenesis system from adventitious roots of Rehmannia glutinosa. The induction of adventitious roots from leaf explants was most favorable to MS solid medium supplemented with 2mg/L IBA. However, the growth of adventitious roots was highest when they were cultured on 1/3 strength MS liquid medium supplemented with 2mg/L IBA. When the adventitious roots were grown in 10L bioreactor, 10g roots as initial inoculum was increased to 225g after 6 weeks of culture. The harvested roots were cultured onto solid medium to induce plant regeneration. The optimal adventitious shoot formation was observed on MS medium supplemented with 2mg/L BA. Rooting of individual shoots was induced after transfer to half strength MS medium without growth regulators. Plantlets after acclimatization were successfully transplanted in the field and no phenotypic variation was observed among them.

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