Abstract
The effect of thidiazuron (TDZ) was studied on in vitro axillary shoot proliferation from nodal explant of Psoralea corylifolia - an endangered medicinal plant. Proliferation of shoots was achieved on Murashige and Skoog (MS) medium supplemented with 0.5, 1, 2, 3, 4 and 5 μM TDZ. The maximum number (13.6 ± 1.4) of shoots per explant were obtained from nodal segment cultured on 2 μM TDZ for 4 weeks and this increased to 29.7 ± 2.1 on hormone free MS medium after 8 weeks. The in vitro proliferated and elongated shoots were transferred individually on a root induction medium containing 0.5 μM indole-3-butyric acid (IBA) and within 4 weeks 4.5 ± 0.5 roots per shoot were produced. The regenerated plantlets were transferred to 1:1 soil and vermiculite mixture and acclimatized with 80 % survival rate. Fully acclimatized plants were grown in garden soil in greenhouse and their morphological and physiological parameters were comparable with seedlings.
Abbreviations
- IBA:
-
indole-3-butyric acid
- MS:
-
Murashige and Skoog medium
- PFD:
-
photon flux density
- PGR:
-
plant growth regulator
- PN :
-
net photosynthetic rate
- SFC:
-
shoot forming capacity
- TDZ:
-
thidiazuron
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Faisal, M., Anis, M. Thidiazuron induced high frequency axillary shoot multiplication in Psoralea corylifolia . Biol Plant 50, 437–440 (2006). https://doi.org/10.1007/s10535-006-0064-7
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DOI: https://doi.org/10.1007/s10535-006-0064-7