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Mika Lestaria
UPTD BSPTH Dinas Kehutanan Provinsi Sumatera Barat
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Physics Transportation

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Pengaruh Cahaya dan Penyiraman Terhadap Kualitas Pembibitan Tanaman Bayur (Pterospermum javanicum) di UPTD BSPTH Dinas Kehutanan Provinsi Sumatera Barat Lala Deswita; Moralita Chatri; Mika Lestaria
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 4 (2026): April - Juni
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

The bayur tree (Pterospermum javanicum) is a forestry species that is relatively easy to cultivate and adapts well to local climatic conditions, making it an ideal choice for large-scale nursery programs. Land rehabilitation efforts require a supply of high-quality seedlings, as these seedlings are better able to adapt and thrive in sites that match the characteristics of their tree species, thereby improving the success of planting efforts in rehabilitation projects This study aims to determine the effects of lighting and watering on the quality of Bayur (Pterospermum javanivum) seedlings. The study was conducted from January 5 to February 18, 2026, as part of an internship at the UPTD Forest Tree Certification and Seed Production Center, Department of Forestry, West Sumatra Province. The study employed direct observation and field practice methods, presenting descriptive data in the field of forest tree seedling propagation. The results indicate that plants with optimal lighting and regular watering exhibit high-quality seedling growth when proper procedures are followed. This activity provided students with practical experience in applying biological science and supported biodiversity conservation and reforestation programs in West Sumatra.
Teknik Pembibitan Tanaman Kemiri (Aleurites moluccana L.) Di UPTD BSPTH Dinas Kehutanan Provinsi Sumatera Barat Annisa Fauziah; Violita Violita; Mika Lestaria
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 4 (2026): April - Juni
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

A professional internship was conducted at the Forest Plant Certification and Seedling Center (UPTD BSPTH) of West Sumatra Provincial Forestry Service from January 5 to February 18, 2026, focusing on the seedling techniques of candlenut (Aleurites moluccana L.). This article aims to describe the seedling stages applied at UPTD BSPTH, including seed selection, pre-germination treatment, sowing, germination observation, transplanting to polybags, and seedling maintenance. The method used was participative observation and direct field observation. Results showed that the nursery medium consisted of a mixture of mineral soil, fine sand, organic compost, and rice husks. Mechanical scarification treatment was effective in increasing germination percentage. Seeds germinating in the center of the seedbed tended to sprout earlier due to more even moisture and temperature distribution. The produced candlenut seedlings showed good quality, characterized by strong taproots, erect dark-green stems, and normally developed leaves. The seedling technique applied at UPTD BSPTH is in accordance with the principles of forest plant nursery management, producing seedlings suitable for land rehabilitation and reforestation programs in West Sumatra.
Co-Authors Annisa Fauziah Lala Deswita Moralita Chatri Violita Violita