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Departemen Silvikultur, Fakultas Kehutanan - Institut Pertanian Bogor Jl. Ulin Kampus IPB Darmaga, Bogor 16680 INDONESIA Telp./Fax.: +62-251-8626806 /+62-251-8626886
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Jurnal Silvikultur Tropika (JST)
Published by Institut Pertanian Bogor
ISSN : 20868227     EISSN : 28073282     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Environmental Science Social Sciences
JURNAL SILVIKULTUR TROPIKA (JST) atau Journal of Tropical Silviculture adalah jurnal yang terbit tiga kali dalam setahun. JST menerbitkan artikel tentang sains dan teknologi silvikultur yang berhubungan dengan hutan tropika seperti botani, fisiologi, ekologi, tanah, genetika, proteksi, patologi, entomologi, kebakaran, daerah aliran sungai, biodiversitas, bioteknologi, agroforestri, reklamasi dan restorasi. Tulisan-tulisan ilmiah diterbitkan dalam bentuk artikel hasil-hasil penelitian (article), ulas balik (reviews), catatan penelitian (notes), hipotesa (hypothesis), maupun komunikasi (communication) di bidang silvikultur hutan tropika.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 500 Documents
 36   37   38   39   40 
Structure, Diameter Increment, and Cutting Cycle of Residual Stand in Logged-Over Forest in East Kalimantan M. Taufan Tirkaamiana; Lailan Syaufina
Jurnal Silvikultur Tropika Vol 13 No 01 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.01.79-86

Abstract

This study aims to determine the structure, diameter increment, and cutting cycle estimation of residual stand for commercial species at log over forest managed with a selective cutting and line planting system (TPTJ) at PT Balikpapan Wana Lestari East Kalimantan, Indonesia. The residual stand parameter (tree amount, diameter, and increment) measurement was conducted at the log over area for 1 year, 2 years, and 3 years at the inter-planting line in TPTJ block from 3 PUP (Permanent measuring plot) which each with a size of 100 m x 100 m (1 ha). The result presents residual stand structure at the inter-planting line based on diameter class in the 'J' upside-down form indicates the larger diameter class, the smaller tree amount. The average diameter increment of the residual stand at the inter-planting line for commercial species is 1.04 cm/yr, and non-commercial is 0.65 cm/yr. The estimated cutting cycle is 19 years for commercial species with a cutting diameter limit of 40 cm up. The potential of stands in the inter-planting line can be expected to produce logging at the end of the cycle, besides the stand in the planted line, including superior species and having significant increments. Keywords: cutting diameter limit, diameter increment, nucleus tree, stand structure
Vegetative Propagation of Peat Forest Tree’s Geronggang (Cratoxylon arborescens (Vahl) Blume.) By Shoots Cutting Istomo Istomo; Atok Subiakto; Yuniar Safitri
Jurnal Silvikultur Tropika Vol 13 No 01 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.01.87-93

Abstract

Sistem stek merupakan sistem perbanyakan tanaman yang relatif sederhana dan menghasilkan bahan tanaman yang berkualitas baik dengan karakteristik yang sama dengan induknya dan membutuhkan waktu yang lebih singkat. Penelitian ini bertujuan untuk mendapatkan persentase stek hidup Cratoxylon arborescens dan mempelajari pengaruh zat pengatur tumbuh IBA 100 ppm, NAA 100 ppm dan IBA 50 ppm+NAA 50 ppm terhadap pertumbuhan stek pucuk Cratoxylon arborescens. Materi yang digunakan adalah pucuk bibit Cratoxylon arborescens dengan tinggi <1–1,5 m, IBA 100 ppm, NAA 100 ppm, IBA 50 ppm+NAA 50 ppm, dan alkohol 70% dengan media berupa cocopeat, sekam dan vermikulit. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan empat perlakuan yaitu IBA 100 ppm, NAA 100 ppm, IBA 50 ppm+NAA 50 ppm, dan kontrol. Setiap perlakuan terdiri dari 3 ulangan (masing-masing 50 stek). Hasil penelitian menunjukkan bahwa persentase pertumbuhan stek hidup Cratoxylon arborescens berkisar antara 51,11–70,37%. Perlakuan tidak menunjukkan pengaruh yang nyata terhadap lima parameter yaitu persentase stek hidup, panjang stek, berat basah akar, berat kering akar, dan berat kering pucuk. Namun pengaruh nyata ditunjukkan pada jumlah akar dan berat basah pucuk. Uji jarak berganda Duncan yang dilakukan untuk jumlah akar dan NAA 100 ppm menunjukkan pengaruh yang lebih baik daripada kontrol, sedangkan untuk berat basah pucuk pada IBA 100 ppm memiliki pengaruh yang sama dengan kontrol. Kesimpulan dari penelitian ini adalah persentase hidup stek Cratoxylon arborescens mencapai 70,37% dan penggunaan NAA 100 ppm dapat meningkatkan jumlah akar. Kata kunci: Cratoxylon arborescens (Vahl) Blume.), IBA, NAA, perbanyakan tanaman secara vegetative, sistem pemotongan
Respon Pertumbuhan Stek Pucuk Kenanga (Cananga odorata) terhadap Pemberian Media Tanam dan Zat Pengatur Tumbuh Irdika Mansur; Taufan Nugraha
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.95-102

Abstract

Essential oil which is contained on most trees is one of the promising Non-Timber Forest Products (NTFPs) that need to be explored and developed further, for the oil is relatively safe and stores major benefits for local people. There are around 9 -12 types of essential oil that is being developed and one of them is cananga oil, which is available through distillation process of the flowers. The research aims to investigate the ability of cananga to be propagated trough shoot cuttings method, to discover the effects of growing media and plant growth regulators toward the shoot cuttings’ growth and to determine the suitable growth media and plant growth regulators for the cuttings’ development. The collected data were survival rate in percentage, root growth in percentage, height growth, numbers of developed leaf, numbers of developed primary and secondary roots, and also the length of primary roots. The addition of plant growth regulators gave a significant effect toward survival rate (in percentage), height growth and the numbers of developed leaf of the species whereas the addition of growing media and the interaction between the treatments did not give significant effect on the observed traits. All type of media options could be used for cananga shoot cuttings method and the best growth regulator identified in live percentage parameters, high growth and number of leaves on cananga shoot cutting is Rotoone-F. However, in case of rooting, the best growth regulator is found in addition of Rapid root. Keywords: Cuttings, Cananga, Media, Plant Gowth Regulator
Kesesuaian Lahan Jenis Tanaman Kehutanan Pada Areal Lahan Terbuka Di Kawasan Hutan Pendidikan Gunung Walat (Hpgw), Sukabumi Jawa Barat Supriyanto Supriyanto; Muhammad Hasan Sayid
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.103-110

Abstract

Gunung Walat Education Forest is a Special Purpose Forest for Education. At present many areas have lost their vegetation cover (trees) or become opened areas in the GWEF area. Land suitability by looking at topography, soil and climate factors needs to be done to find out the type of forestry plant that is suitable for planting on the open areas. Stages of land suitability, is consisted of image processing, visual interpretation of satellite imagery, ground checks, soil and litter observations, data collection on soil physical and chemical properties and climate, land characteristic observations, and matching processes. The results of matching with Liebeg's minimum law and scoring system showed that eucalypt (E. grandis), sengon (F. moluccana), caliandra (C. calothyrsus), mahagoni (S. mahagoni), pine (P. merkusii), lamtoro (F. moluccana), cajuput (M. leucadendron), damar (A. loranthifolia), acacia (A. auriculiformis), and rasamala (A. excelsa) are suitable for planting in open areas in the Gunung Walat Education Forest (GWEF). While teak (T. grandis) is not suitable for planting in opened areas in the GWEF. Keywords: Forest tree, GWEF, land suitability, opened area.
Growth Response of Gamal (Gliricidia sepium) Stem Cutting with Various Material Size and Administration of Monosodium Glutamate (MSG) Andi Sukendro; I Putu Wita Wardana Dharma Dikari
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.111-114

Abstract

Gliricidia sepium merupakan tanaman yang memiliki banyak manfaat baik secara ekologi, ekonomi maupun sosial. Tujuan penelitian adalah menganalisis respons pertumbuhan stek batang gamal (G. sepium) pada berbagai ukuran panjang bahan dan pemberian MSG, serta mengetahui ukuran panjang stek terbaik untuk gamal (G. sepium). Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan 2 faktor, yaitu MSG dan ukuran bahan. Hasil penelitian menunjukan bahwa interaksi pemberian MSG dan perbedaan ukuran bahan tidak berpengaruh nyata pada setiap parameter yang diuji. Perlakuan MSG secara tunggal juga tidak berpengaruh, sedangkan perlakuan perbedaan ukuran bahan secara tunggal berpengaruh nyata terhadap parameter panjang tunas dan panjang akar. Stek batang G. sepium tumbuh optimal menggunakan panjang bahan 70 cm. Kata kunci : Gliricidia sepium, MSG, stek batang, ukuran bahan
Respon Pertumbuhan Bibit Ylang-Ylang Terhadap Persaingan Rumput Signal dan PenambahaN NPK Irdika Mansur; Ega Diany
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.115-122

Abstract

The application of silvopasture between the ylang-ylang (Cananga odorata forma enuine) plant and the signal grass (Brachiaria decumbens) has the potential to produce large economic value. The purpose of this study was to determine the response of ylang-ylang seedling growth to competition with grass signals without or with the addition of NPK, and to find out the optimal dose of NPK fertilizer that could help the growth of ylang-ylang seeds planted with grass signals. This study was conducted using a factorial pattern in a complete randomized design with the first factor being planting signal grass and the second factor was adding NPK fertilizer. The results of this study indicate that planting signal grass and adding NPK as much as 0,75 g significantly affected to the growth of ylang-ylang seedlings. The presence of signal grass in the same media showed no inhibition of the growth of ylang-ylang seedlings. The addition of NPK with the dose used did not significantly affect the growth of ylang-ylang seeds. Keywords: Brachiaria decumbens, Cananga odorata, NPK fertilizer dosage, silvopasture
The Effect of Types and Doses Compost Fertilizer on Ylang Ylang (Cananga odorata forma genuina) Seedling Growth Istomo Istomo; Ariyani Pramudita Utami
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.123-130

Abstract

Savanna is the icon of Baluran National Park. The endemic species of Bekol Savana is bekol or bidara (Ziziphus mauritiana Lamk.). Emerge complication instant exotic like Acacia nilotica spread in Savanna for nature fire burning partition plant. Growth of A. nilotica is invasive so can be change nature conditition of savanna. The goals are to know composition structure and pattern distribution of Z. mauritiana in raise savanna and invasive savanna. Examination did with rectangular plot of analisis vegetation as purposive sampling in wide 20 m x 60 m in 10 plot each location. The result shows the structure in raise savanna is opened area and have density of grass is abundant than density tree is low and the invasive savanna is change to be closed A. nilotica forest. Density of Z. mauritiana in raise savanna is more which 3 364/ind/ha than invasive savanna is 260 ind/ha. Pattern distribution of Z. mauritiana in Bekol Savanna is clumped. Biofisic factors can be straddling of Z. mauritiana are open area, clay loam teksture, alkaline pH and arid season. Keywords: Bekol Savanna in Baluran National Park, Bidara (Z. mauritiana), pattern distribution, structure
Growth of Local Sengon (Paraserianthes falcataria (L.) Nielsen) and Productivity of Upland Rice (Oryza sativa L.) Inpago LIPI Go2 Variety in Agroforestry Systems Nurheni Wijayanto; Nurhayati Nurhayati
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.148-154

Abstract

Sengon (Paraserianthes falcataria (L.) Nielsen) is a fast-growing and widely cultivated species in Indonesia. In addition, sengon is a type that is easy to adapt to the environmental conditions in which it grows. Upland rice (Oryza sativa L.) is a type of rice that is tolerant to drought. Sengon and upland rice in agroforestry can be an alternative in more effective land use. This study aims to measure local sengon growth, determine the productivity of upland rice in Inpago LIPI Go2 variety and light intensity in the sengon 1.5 m x 1.5 m and 1.5 m x 3 m line planting in agroforestry systems. Data analysis was performed by testing variance at the level of 0.05% and if the treatment had a significant effect, it was tested further using the Tukey Test. The results of this study indicate that sengon in the 6 months after planting is not affected by pathway treatment, but line planting treatment has a significant effect on upland rice productivity results. Beside age factor of sengon, it can be several other factors such as pest and disease attacks on sengon or upland rice. Keywords: agroforestry, light intensity, sengon, upland rice
Arrangement of Identification Key for Seedling on Genus Shorea Roxb. ex Gaertner f Iwan Hilwan; Dhafin Maulidiyan
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.155-161

Abstract

Tingginya keanekaragaman jenis pohon menjadikan manusia sejak lama memanfaatkan sumberdaya hutan tersebut baik untuk keperluan pangan, sandang, maupun papan. Untuk memudahkan kegiatan pemanfaatan tumbuhan, perlu adanya pengetahuan mengenai pengenalan identitas jenis pohon. Jenis-jenis pohon andalan Indonesia salah satunya berasal dari suku Dipterocarpaceae, yaitu kayu meranti dari marga Shorea. Pengelolaan kawasan hutan penghasil kayu meranti perlu dilakukan agar produktivitas kayu tetap terjaga, salah satunya melalui pengelolaan regenerasi alaminya. Identifikasi jenis dalam tingkat anakan menjadi sangat penting agar tidak terjadi kesalahan pemeliharaan jenis yang tidak diinginkan. Penelitian dilakukan dengan mencatat data morfologi dari 43 jenis Shorea spp. pada fase semai dan pancang yang sudah teridentifikasi hingga nama spesiesnya. Penelitian dilaksanakan mulai bulan Januari hingga April 2019 di Persemaian Kantor Pusat Penelitian dan Pengembangan Hutan, Kota Bogor. Selanjutnya data diolah sehingga dihasilkan kunci identifikasi marga Shorea. Ciri morfologi khusus dari anakan marga Shorea yaitu memiliki pertulangan tersier daun tangga (scalariform veination), ditemukannya kelenjar (gland) yang menyebar pada lamina, terdapat stipule atau daun penumpu, dan mayoritas bentuk petiole yang membengkak (swollen) dan melutut (geniculate). Kata kunci: anakan, Dipterocarpaceae, kunci identifikasi, morfologi, Shorea
Potential of Forest Fire in BKPH Dander, KPH Bojonegoro, East Java Bambang Hero Saharjo; Rizkia Ajeng Setya Wintanti
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.131-139

Abstract

The potential of forest fires in BKPH Dander KPH Bojonegoro can be assessed based on forest fires sourse, the control efforts, and rainfall. This study aims to analyze the source of forest fires and the control efforts done by BKPH Dander, and analyze the level of vulnerability of forest fires based on rainfall. The data used is divided into primary data and secondary data. Average annual rainfall in last 5 years is 1 788.8 mm/years with total area of forest fires 44.66 Ha and total loss approximately Rp5.645.300. The potential of forest fires based on land clearing in BKPH Dander are medium, meanwhile the potential by conflict caused of the burning activity by some perpetrator with their own circumstances and for thair needs. Optimalization the control effort of forest fires showing good result, it caused by the cooperation of community's high awarness and participation to protect and sustaining forest environment. Keywords: Community participation, Forest fire, KPH Bojonegoro, prevention, potency.

Page 38 of 50 | Total Record : 500

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