ISSN : 2663-2187

Vegetative propagation of Bruguieragymnorrhiza: An effort to conserve the rare degrading black mangrove of Indian West Coast

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Sreeram Sudhir1, VelmaniSanakara Vel1and Arumugam Arunprasath2*
» doi: 10.33472/AFJBS.6.5.2024. 3939-3946

Abstract

Climatic fluctuations and other anthropogenic activities are apprehending West Coast mangroves. The present work focuses on the vegetative propagation of Bruguieragymnorrhiza through the cut-propagule method. The B. gymnorrhiza is a species having timber value and can be grown in half-submerged conditions along the edges of waterways and ponds. Vegetative propagation by the cut-propagule method is an alternate and cost-effective mode of enhancing the production of Bruguiera. The potting mixture comprised on-site soil, sand, coir dust and compost mixed in equal amounts. The average root length, the number of roots, leaves, chlorophyll content and vigor was determined. The propagules were also utilised for the study and the cut-propagule method was employed, the growth hormone IBA was found to be efficient in the development of propagules. The shoot length was high in the propagule treated with 2000ppm of IBA (20+1.0 cm). Also, the highest root length was recorded at 2000ppm NAA (8.7+0.435cm). Other hormones such as NAA and a combination of NAA & IBA didn’t have much effect when compared with IBA alone. This study will provide insight into the conservation of B. gymnorrhiza on the west coast of Kerala through cost-efficient means and large-scale multiplication can be done to unlock the pharmaceutical importance of the plant.

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