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All Journal Jurnal Sylva Lestari Forest and Nature
Nurhasybi
Research Center for Applied Botany, National Research and Innovation Agency (BRIN)
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology

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Seed Quality Description of Kilemo (Litsea cubeba (Lour.) Pers.) Eliya Suita; Hani Sitti Nuroniah; Abdul Hakim Lukman; Danu; Deddy Dwi Nur Cahyono; Aam Aminah; Dida Syamsuwida; Nurhasybi; Darwo; Atfi Indriany Putri; Supatmi
Forest and Nature Vol. 1 No. 1 (2025): January
Publisher : Green Insight Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63357/fornature.v1i1.4

Abstract

Kilemo (Litsea cubeba (Lour.) Pers.), a forest tree species of the Lauraceae family, is naturally distributed in China, Taiwan, and Southeast Asia, including Indonesia. This species is valued for its high-quality essential oils and its potential applications in the biopharmaceutical and chemical industries. However, the semi-recalcitrant nature of kilemo seeds presents challenges in storage and germination, necessitating research to optimize seed quality and propagation methods. This study aims to evaluate the physical and physiological qualities of kilemo seeds sourced from highland regions in West Java and North Sumatra and to determine the best pretreatment methods to enhance germination performance. Seed samples were collected from Ciwidey, Mount Papandayan (West Java), and Aek Nauli (North Sumatra). The study assessed seed moisture content, purity, 1,000-seed weight, and seed viability. Different soaking treatments (plain water, boron solutions, KNO3 solutions, and coconut water) were applied, followed by germination tests under two sowing conditions: open seedbeds and plastic-covered seedbeds. The results indicate that kilemo seeds exhibit moisture content ranging from 13.01% to 14.68%, purity above 96.77%, and a weight of 1,000 seeds varying from 21.36 to 27.86 g. Germination trials revealed that seeds soaked in 100% coconut water for 3 or 6 hours exhibited the highest germination percentages and vigor, particularly in an open seedbed condition. These findings suggest that coconut water pretreatment enhances seed germination and viability, offering an effective method for improving the propagation success of kilemo. The study provides valuable insights into optimizing seed handling techniques to support the conservation and commercial cultivation of this species.
Improving Seed Viability and Vigor of Acacia crassicarpa A. Cunn. Ex Benth. Using Ultrafine Bubbles and Biopriming Based on Dark Septate Endophytes Dede Jajat Sudrajat; Evayusvita Rustam; Mohammad Agus Salim; Yulianti; Nurhasybi; Naning Yuniarti; Surono; Yohanes Aris Purwanto
Jurnal Sylva Lestari Vol. 14 No. 2 (2026): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v14i2.1446

Abstract

Acacia crassicarpa is a fast-growing tree species that has been a mainstay in the establishment of industrial plantation forests in Indonesia. The need for A. crassicarpa seedlings for large-scale planting programs is often hampered by poor seed germination due to strong dormancy and low seed vigor. This study aims to analyze the effects of ultrafine bubbles (UFB) and biopriming with dark septate endophytes (DSE) on the viability and vigor of A. crassicarpa seeds. Before treatment, all seeds were soaked in 98% H2SO4 for 15 minutes as a field procedure for A. crassicarpa seed germination, serving as the positive control in this study. A completely randomized factorial design with two factors, i.e., UFB water (0, 8, and 20 ppm) and DSE isolates (without DSE, MM15 (DSE MM.15), Cladosporium teunissimum (DSE KSP.1), and Dendrothyrium sp. (DSE CPP.114), was used to test the effects of the treatments on seed germination parameters (germination capacity, germination speed, germination value, hypocotyl and radicle length, and vigor index). The germination parameters were analyzed using analysis of variance and Duncan’s Multiple Range Test at the 95% confidence level. The interaction between UFB and DSE treatments significantly affected germination capacity, germination speed, germination value, and vigor index. The optimal result was achieved by soaking seeds in 8 ppm UFB water for 24 hours, combined with soaking in DSE CPP.114 for 24 hours with a germination capacity of 78.5% (increase of 32.5% from control), germination speed of 8.04% day-1 (increase of 38% from control), germination value of 15.39 (increase of 188.7% from control), and vigor index of 11.29 (increase of 80.3% from control). Thus, the UFB water and DSE Dendrothyrium sp. (DSE CPP.114) can increase seed viability and vigor after scarification, thereby directly improving the quality and quantity of A. crassicarpa seedlings for planting programs. Keywords: Acacia crassicarpa, biopriming, dark septate endophyte, seed germination, ultrafine bubbles
Co-Authors Aam Aminah Abdul Hakim Lukman Atfi Indriany Putri Danu Darwo Deddy Dwi Nur Cahyono Dede Jajat Sudrajat Dida Syamsuwida Eliya Suita Evayusvita Rustam Hani Sitti Nuroniah Mohammad Agus Salim Naning Yuniarti Supatmi Surono Yohanes Aris Purwanto Yulianti