In vitro Micro Propagation of Soybean (Glycine max) BARI-5 Variety

Nadira Begum1, Elina A. Zenat1, Mohammad K.I. Sarkar2, *, Chapol K. Roy1, John L. Munshi1, Miskat A. A. Jahan1
1 Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
2 Independent University,(IUB), Dhaka, Bangladesh

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© 2019 Begum et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Independent University, Bangladesh (IUB); Tel: +8801711230892; Emails: and



The present research work was undertaken with a view to developing a suitable protocol for in vitro plant regeneration of economically important plant (Glycine max) (Bangladesh Agricultural Research Institute BARI- 5) variety, via both direct and indirect organogenesis from in vitro grown seedlings.


For micropropagation explants were cultured on MS and half strength Murashige and Skoog (MS) medium supplemented with various plant growth regulators (cytokinins and auxins). In the present study for inducting of callus, among 3 different hormone combinations, the suitable medium was 3.32 mg/L 2, 4-D containing MS medium and the callus was deep green in color. Different type of media like MS, 1/2 MS and MS with different (6-Benzyl Amino Purine) BAP concentration was used for seed germination of Glycine max. 100% of seed germination was observed in MS +1 mg/L BAP containing the medium.


In the present investigation, different concentration of cytokinins and auxins{BAP, 2, 4-D, and Naphthalene Acetic Acid (NAA)} were used individually or in combinations with MS medium to observe their effect on multiple shoot regeneration from the cotyledonary nodal segment. 100% shoot formation from cotyledonary nodal segment was recorded in 1.5 mg/L BAP and 0.15 mg/L BAP + 0.025 mg/L NAA containing MS medium, the best number of shoot was 10.9±2.0 found in MS + 1.5 mg/L BAP containing medium and highest length of shoot was 2 cm recorded in 1.5 mg/L BAP + 0.3 mg/L (different concentrations of Giberrellic acid) GA3 containing MS medium. In addition, for root induction in vitro raised well developed and elongated shoots were excised and cultured on MS and 1/2 MS medium supplemented with various concentration of Indole-3-Butyric acid (IBA). It was observed that MS medium containing 0.1 mg/L IBA and 1/2 MS medium containing 0.25 mg/L IBA was optimal for root induction. In which 100% shoots rooted well within 13 days of culture. The highest average number of roots per shoot was 6 recorded in MS +0.5 mg/L IBA containing the medium and highest average length of root was 8 cm recorded in 0.1 mg/L IBA containing MS medium.


The most effective surface sterilization treatment for explants of Glycine max has been found in 0.1% HgCl2 solution for 15 minutes.

Keywords: Micro propagation, Regeneration, MS medium, Glycine max, Soybean, Seed germination.