Journal
PLANT CELL TISSUE AND ORGAN CULTURE
Volume 145, Issue 2, Pages 457-460Publisher
SPRINGER
DOI: 10.1007/s11240-021-02016-3
Keywords
Adventitious roots; Anthraquinone; Light; Nuna
Funding
- Science and Engineering Research Board, Department of Science and Technology, New Delhi, Government of India
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This study showed that induction of adventitious roots from in vitro raised leaves of Morinda coreia was most favorable with half-strength MS medium augmented with 4.0 mg/L indole-3 butyric acid (IBA) under dark conditions, resulting in negligible callus formation. The protocol can be used for large scale proliferation of roots and enhanced production of dye (anthraquinones).
The present communication reports, induction of adventitious roots (AR) from the in vitro raised leaves of Morinda coreia as affected by auxins and their varying concentrations. The roots of this plant possess anthraquinone, a preferable natural dye, explored well in pharmaceuticals. The AR from the leaves were induced under light and dark conditions within 5 weeks on half-strength Murashige and Shook's (MS) medium. Among the various auxins and their concentrations tested, half-strength MS medium augmented with indole-3 butyric acid (IBA) at 4.0 mg/L was recorded most favorable in induction of AR (0.7997 gm fresh weight and 0.0698 gm dry weight) with negligible callus under dark conditions. The present study aimed to analyze the combined effect of light/dark and auxins on the induction of AR from the in vitro raised leaves of M. coreia. The protocol can be used for large scale proliferation of roots and enhanced production of dye (anthraquinones).
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