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Influence of formulated organic Plant tissue culture medium in the shoot regeneration study of Brassica juncea (l.) - Indian mustard
J Plant Biotechnol 2019;46:114-118
Published online June 30, 2019
© 2019 The Korean Society for Plant Biotechnology.

Suman Kashyap · Seema Tharannum · Taarini R

Department of Biotechnology, PES University, Bengaluru 560085, Karnataka, India
Correspondence to: e-mail: sumkash925@gmail.com
Received March 18, 2019; Revised May 22, 2019; Accepted June 14, 2019.
cc This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Efficient protocol for plant shoot regeneration of Brassica juncea L. CZERN was established by using organic media components and growth stimulating factors of the vermicompost and coelomic fluids. Formulated organic plant tissue culture media (Vermicompost (30%) extracts supplemented with 20 mL/L coelomic fluid) have shown maximum shoot regeneration when compared with the Murashige and Skoog (MS) medium, which were supplemented with 1 mg/L 6-benzyladenine (BA) and 0.1 mg/L of Naphthaleneacetic acid (NAA). Cotyledon explants produced the highest shoot regeneration frequency from fourday- old germinated seedlings in comparison with non-germinated seedlings. The vermicompost extracts have proved to be the best organic plant growth media to induce shoots from cotyledons compared to the MS media. Statistically significant difference (P = 0.008) for the root length, shoot length (P =0.000350) and the leaves (P=0.375) of the mustard plantlets were analyzed successfully. The survival rate was 98% in the mustard cotyledons on the Vermicompost extract media and 63% on MS media respectively. The coelomic fluid also is much suitable to induce shoots from cotyledons at lower concentrations. It was also shown that the vermicompost extract, which comprised of humic acids along with coelomic fluid, affected shoot regeneration from the cotyledons. An efficient and organic shoot regeneration study was standardized and it can be applicable in the improvement of the economically important crops.
Keywords : Mustard, Brassicca juncea (L.) Czern, Vermicompost extract, Coelomic fluid, formulated organic media, Plant tissue culture media


June 2019, 46 (2)
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