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<p><i>Litsea deccanensis</i> Gamble, a significant tree species from the Lauraceae family, plays a crucial role in the incense stick (agarbatti) industry due to its bark’s excellent binding properties. However, its population has been declining due to over-harvesting and vulnerability to pests. This study investigates effective propagation and conservation strategies for <i>L. deccanensis</i>. The seeds were determined to be recalcitrant, with a critical moisture content of 13–15%. Freshly harvested seeds exhibited a 48% germination rate with a moisture content of 33%. Scarified seeds soaked in GA<sub>3</sub> at 500 ppm for 24&#xa0;h showed an improved germination rate of up to 80%. Seed viability was maintained for up to 10 months, with a 20% germination rate at 16% moisture content. Indole-3-acetic acid (IAA) at 5000 ppm was the most effective among the stem-cutting treatments, resulting in 100% rooting, the greatest number of roots, and the longest root length. In air layering experiments, treatments with Indole-3-butyric acid (IBA), especially at concentrations of 1000 ppm and 3000 ppm, were the most effective in stimulating root development, resulting in 100% rooting and the highest average number of roots per layer. The study further details successful seedling planting in various highland locations in Kerala, contributing to the <i>ex-situ</i> conservation of <i>L. deccanensis</i>. These findings offer valuable insights into optimizing propagation techniques and supporting the sustainable cultivation of <i>L. deccanensis</i> to meet conservation and commercial needs.</p>

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Standardization of Propagation Techniques and Restoration of Litsea deccanensis Gamble- A Jiggat Yielding Plant for Sustainable Utilization

  • 期刊论文

  • 发表日期：

    2025年8月22日

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  • K. B. Sreeraj,
  • S Praveena,
  • V. B. Sreekumar,
  • P. A. Jose

摘要

Litsea deccanensis Gamble, a significant tree species from the Lauraceae family, plays a crucial role in the incense stick (agarbatti) industry due to its bark’s excellent binding properties. However, its population has been declining due to over-harvesting and vulnerability to pests. This study investigates effective propagation and conservation strategies for L. deccanensis. The seeds were determined to be recalcitrant, with a critical moisture content of 13–15%. Freshly harvested seeds exhibited a 48% germination rate with a moisture content of 33%. Scarified seeds soaked in GA3 at 500 ppm for 24 h showed an improved germination rate of up to 80%. Seed viability was maintained for up to 10 months, with a 20% germination rate at 16% moisture content. Indole-3-acetic acid (IAA) at 5000 ppm was the most effective among the stem-cutting treatments, resulting in 100% rooting, the greatest number of roots, and the longest root length. In air layering experiments, treatments with Indole-3-butyric acid (IBA), especially at concentrations of 1000 ppm and 3000 ppm, were the most effective in stimulating root development, resulting in 100% rooting and the highest average number of roots per layer. The study further details successful seedling planting in various highland locations in Kerala, contributing to the ex-situ conservation of L. deccanensis. These findings offer valuable insights into optimizing propagation techniques and supporting the sustainable cultivation of L. deccanensis to meet conservation and commercial needs.