Abstract
Due to increasing demand to meet out industrial requirement as a raw material , soft wood forest species are under tremendous pressure across the globe. The demand of fast growing Melia dubia is one of them. The usual approach of regeneration for this plant is through seed is unable to produce large scale plants. The present investigation aimed to develop the Standard Operating Procedure through Tissue culture method for mass multiplication of M.dubia using nodal segment . Results showed that the highest shoot initiation response (86.6%) was recorded in Murashige and Skoog medium supplemented with additives, NAA (0.1 mg l-1) and Kinetin (0.5mg l-1). Maximum response of shoot multiplication with highest shoot length of 5.5 cm was obtained in MS medium supplemented with combinations of Ascorbic acid (50 mg l-1) and Kinetin 1 mgl-1. For rhizogenesis, MS + 3.0 mgl-1 IBA (93.3 %) demonstrated superior in terms of the percentage of cultures with root induction, the average number of roots, and the average length of roots per explant. In conclusion present study ensures the successful mass multiplication of M. dubia, demonstrating the importance of tissue culture in the expansion of this economically significant multipurpose tree.
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