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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
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Biophysical Characteristic in Various Conditions of Heath Forest in East Belitung Residence, Province of Bangka Belitung Islands KARAKTERISTIK BIOFISIK PADA BERBAGAI KONDISI HUTAN KERANGAS DI KABUPATEN BELITUNG TIMUR, PROVINSI KEPULAUAN BANGKA BELITUNG Iwan Hilwan
Jurnal Silvikultur Tropika Vol. 6 No. 1 (2015): Jurnal Silvikultur 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.6.1.%p

Abstract

Heath forest is one of forest ecosystem types in Indoensia as protected area and has specific condition and ecological functions. Quartz sands are main component of soil in heat forest floor which is very fragile for any disturbance. The damaged heath forest after quartz sand mined was very difficult to previous condition, therefore study of biophysical characteristics in primary and secondary heat forest are very important to conduct forest rehabilitation. The research result showed primer heath forest has higher plant diversity than secondary heath forest post mined 5 years and 15 years ago. Soil texture mostly sandy and soil chemistry is very acid (pH 3.6-5.3) with low fertility. Gelam (Melaleuca leucadendron) is a main pioneer plant species which can be used in revegetation program on post quartz mine land at Belitung Timur Residence.Key words: Acid soil, heath forest, Melaleuca leucadendron, quartz mining, revegetation
Pathogenicity and Effectiveness of Entomopathogen Nematode Heterorhabditis sp. to Potato Tuber Moth Phthorimaea operculella (Zeller)(Lepidoptera: Gelechiidae) PATOGENISITAS DAN KEEFEKTIFAN NEMATODA ENTOMOPATOGEN Heterorhabditis sp. TERHADAP PENGGEREK UMBI Lufthi Rusniarsyah; Aunu Rauf; Supramana .; Samsudin .
Jurnal Silvikultur Tropika Vol. 6 No. 1 (2015): Jurnal Silvikultur 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.6.1.%p

Abstract

Potato tuber moth, Phthorimaea operculella Zell. (Lepidoptera: Gelechiidae) is one of the important potato pest. Damage occurs in the field as well as in the storage warehouses. If control is not performed well, the potential loss will reach almost 100%. The effectiveness of entomopathogenic nematodes of the Heterorhabditis has been studied to control several crop pests. Infective juveniles (IJ’s) of nematodes are capable to seek and infect insects that live in soil and in plant tissues. The objectives of the research are to study the pathogenicity of the Heterorhabditis sp. against P. operculella in the laboratory in direct treatment and in the potato tuber. The experiment was employed a completely randomized design with 6 treatments and 4 replications. The treatment tested are the density level of nematodes Heterorhabditis sp. (100, 200, 300, 400, and 500 IJ/ml) and the control. The results showed that P. operculella infected by Heterorhabditis sp. has symptoms of decreasing motion and feeding activity. Dead insects have change color to dark brown and the body become soft. Heterorhabditis sp. can kill P. operculella within 12 hours after application (HAA). At density level 100 IJ/ml it can control P. operculella by 85% within 24 HAA. The mortality rates of P. operculella in the tubers was 35% at doses of 1000 IJ/tubers, although the ANOVA test was not significantly different.Key words: Phthorimaea operculella, entomopathogenic nematodes, Heterorhabditis sp.
Performance of Biophysical Mangrove Ecosystems in Birem Bayeun and Rantau Selamat Sub-District, East Aceh KERAGAAN BIOFISIK EKOSISTEM MANGROVE DI KECAMATAN BIREM BAYEUN DAN KECAMATAN RANTAU SELAMAT, ACEH TIMUR Nurlailita .; Cecep Kusmana; Widiatmaka .
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Mangrove ecosystem has role of interface ecosystem between land and sea. Some anthropogenic factors are responsible for the damage of mangrove ecosystem. The purposes of this research are to explore the performance of the biophysical mangrove ecosystems at Birem Bayeun and Rantau Selamat Sub-District, East Aceh. Some analyses done in this study are: the analysis of vegetation, environment properties, and analysis of area and distribution of mangrove. The results show that mangroves in the study area consist of 10 species, in which R. apiculata and B. gymorrhiza have dominant species in the study area, Importance Value Index (IVI) that is higher than the other species. Based on the interpretation of citra image, width of mangroves in the study area has been reduced. Biophysical properties of the mangrove area were suitable for mangrove growth (Physical-chemical properties of the soil, the chemical properties of water (salinity), inundation class and the frequency of tidal).Key words : anthropogenic, biophysical, ecosystem, mangrove.
Soybean Productivity in Agroforestry Nyamplung (Callophylum inophylum) Pattern in Sandy Soil Coastal Area in Pangandaran, West Java PRODUKTIVITAS KEDELAI PADA POLA AGROFORESTRI NYAMPLUNG (Callophylum inophylum) DI LAHAN PANTAI BERPASIR PANGANDARAN, JABAR Aditya Hani
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Coastal land area are potential as a source of fulfillment of food. Environmental conditions in the coastal area generally have a high temperature, saline, sandy soil, strongs winds, and high evaporation. One of the coastal land reclamation method is to use the presence of trees combined with the type of legume crops through agroforestry patterns. This study aims to determine soybean varieties adaptive to the beach area. Experiments using Completely Randomized Design Group. Varieties of soybean in the test consists of four varieties: derings 1 (drought-tolerant), dena 2 (shade tolerant), deram 1 (saline soil tolerant) and local (control). The seeds of each variety were planted in plots measuring 4 x 3 m of 7 replicates. Character of nyamplung plant observed were height and diameter and character of soybean plants observed were: plant height and root length (cm) were taken destructif sampling as many as 10 samples (at 60 days old), number of branches, number of pods, seed weight per plant, seed weight, based weight of 100 grains, and heavy yields. The data were analyzed by using analysis of variance. The results showed that soybean varieties that give the lowest to the highest production is dena (2.37 ton.ha-1), thunder (1.31 ton.ha-1), local (1.13 ton.ha-1) and the ring (0.81 ton.ha-1).Key words : Agroforestry, coastal area, soybean, varieties
Resistency of White and Red Jabon Seedlings (Anthocephalus spp.) to Botryodiplodia theobromae (Pat.) Causing Dieback Disease UJI RESISTENSI BIBIT JABON PUTIH DAN MERAH (Anthocephalus spp.) TERHADAP Botryodiplodia theobromae (Pat.) PENYEBAB PENYAKIT MATI.. Lola Adres Yanti; Achmad .; Nurul Khumaida
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Dieback disease on jabon seedlings is caused by Botryodiplodia theobromae decreased seedlings quality and economic benefits of nurseries. This is still sparse research for resistance test between white and red Jabon. This research aimed to test B. theobromae attacked with non wounded and wounded stem infection methods in Jabons and to obtain the most resistance of Jabons to B. theobromae attacked. The results showed that the disease incidence and the disease severity on both control of Jabon seedlings were 0% and 0%. But on treatment, white jabon seedlings non-wounded and wounded stem infection were 30% and 100%. For red jabon seedlings non-wounded and wounded stem infection were 80% and 100%. The disease severity on white jabon seedlings non-wounded and wounded stem infection were 12% and 62%. For red jabon seedlings non-wounded and wounded stem infection were 16% and 38%. The disease incidence on red Jabon seedlings were wider than white Jabon seedlings, but for the disease severity, white Jabon seedlings were worse than red Jabon seedlings. Botryodiplodia theobromae attacked non-wounded and wounded stem infection on Jabons.Key words: nursery, stem infection methods, the disease incidence, the disease severity
Growth of Jabon Seedling (Anthocephalus cadamba) on Medium of Ex-Sand Mining with the Addition of Sub Soil and Charcoal of Coconut Shell PERTUMBUHAN SEMAI JABON (Anthocephalus cadamba) PADA MEDIA BEKAS TAMBANG PASIR DENGAN PENAMBAHAN SUB SOIL DAN ARANG... Basuki Wasis; Dadan Mulyana; Bayu Winata
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Sand mining is a natural resources exploitation. The effects of sand mining are environmental degradation and reduction of soil physical, chemical and biological quality. The land of ex-sand mining could be marginal land and constitutes a barrier for revegetation. Soil amendment is a necessary phase for overcoming this problem i.e. additional of sub soil and charcoal of coconut shell on the soil. Species selection also determines the success of revegetation. Jabon (Anthocephalus cadamba) is a pioneer, adaptive and fast growing species. The aims of this reasearch are to analyze the effects of sub soil and coconut shell charcoal addition on the growth of jabon seedlings on ex-sand mining soil, and to find out the optimum dose of sub soil and coconut shell charcoal addition. The results of this research showed that sub soil and coconut shell charcoal addition on ex-sand mining soil, increased the positive effect. The combination of 500 g of sub soil and 20 g of coconut shell charcoal gave the best growth for jabon seedling on ex-sand mining soil.Key words : Anthocephalus cadamba, charcoal, coconut shell, sand mining, sub soil.
Early Detection of Aluminum Toxicity on Bridelia monoica Merr. to Post Coal Mined Land in PT. Jorong Barutama Greston, South Kalimantan DETEKSI DINI KERACUNAN ALUMINIUM TANAMAN Bridelia monoica Merr. PADA TANAH PASCA TAMBANG BATU BARA PT. JORONG BARUTAMA Yadi Setiadi; Fiona Citra Anira
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

High solubility of Aluminium (Al) and toxic on post coal mined land cause low level of growth plant. Soil analysisused to ensure toxic level, thus the plant growth failure can be minimized. On the other hand, soil analysis is timeconsuming and costly. A simple and effective method to detect the existence of Al in the soil is needed. Bridelia monoicais a dominant pioneer tree which grow around mine location. This plant can survive on the dry land with low fertility, hasmany utility and easily found around mining area. It is expected that B. monoica can be used as biologic indicator of Altoxicity. The aim of this research was to determine the B. monoica response to Al toxicity on the post coal mined land atPT. Jorong Barutama Greston. This research conducted at four different colours of soil (three colours from post coalmined and original soil as control) with three replication. The data observed were root length, shape of root, amount ofleaf, leaf colour, and dry weight. This research resulted Al toxicity can decrease root length, amount of leaf, and dryweight, and changing the root shape on B. monoica. The research concluded B. monoica can be used as biologicindicator of Al toxicity.Key words: Aluminium, Bridelia monoica, post coal mined soil
Relationship Transpiration Ability with Growth Dimension of Seedling Acacia decurens Inoculated with Glomus etunicatum and Gigaspora margarita HUBUNGAN KEMAMPUAN TRANSPIRASI DENGAN DIMENSI TUMBUH BIBIT TANAMAN Acacia decurrens TERKOLONISASI Glomus etunica Arif Budi Setiawan; Sri Wilarso Budi R.; Cahyo Wibowo
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Transpiration plays very important role in ensuring good plant metabolism. However, techniques/methods used for its assessment are difficult and also quite demanding in terms of resources and technical know-how. Again, the results from transpiration measurements are not applicable to different samples and locations. Therefore it is necessary to study the relationship between transpiration ability with growth dimension of seedlings for predicting transpiration ability by a simple method. The research design was the completely randomized design with mycorrhizae arbuscular inoculants. This study used inoculants from silviculture laboratory identified as Glomus etunicatum (M1) and Gigaspora margarita (M2). Regression model analysis was used to determine the relationship between transpiration ability with growth dimension of Acacia decurrens seedling. There was a positive effect of mycorrhizae symbiosis which increased the transpiration ability with a strong relation for increasing seedling growth dimension. Transpiration ability is superior in G. etunicatum of 0.002863 mol m-2 s-1. The transpiration ability in control and G. etunicatum could be predicted with regression equation of R2 >70%, but in M2 intervention the model could not be predicted it was because of multi-colonization between the independent variable.Key words: Acacia decurrens, Gigaspora margarita, Glomus etunicatum, Regression, Transpiration
Early Growth Enhancement of Calliandra calothyrsus Meissn By Arbuscular Mycorrhizae Fungi and Coconut Shells Charcoal at Marginal Soil FUNGI MIKORIZA ARBUSKULA DAN ARANG TEMPURUNG KELAPA MEMPERCEPAT PERTUMBUHAN AWAL BIBIT Calliandra calothyrsus MEISSN Sri Wilarso Budi R.; Sabti Indah Purwanti; Maman Turjaman
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

One of the characteristic of marginal soil is low nutrient avaibility due to their low pH and low organic content. Such conditions become limiting factor for plant growth and development. In order to support optimal growth of plant, soil treatment is needed AMF and coconut shells charcoal have a potential to improve plant growth in marginal soil. This study aimed to examine the effect of AMF, coconut shells charcoal and their interaction on C. calothyrsus seedling grown in marginal soil. This study conducted split plot design in completely randomized design that consists of two factors. AMF factor as main plot consists of three levels, charcoal factor as sub plot consists of three levels. There were five replications for each treatment. The results showed that AMF and coconut shells charcoal significantly increased C. calothyrsus seedling growth. The best treatment was found at Gigaspora sp. combined with 20 % coconut shells charcoal increased height and diameter by 397.1 and 107.7% respectively (compared to control).Key words: AMF, Charcoal, Calliandra calothyrsus, growth
The Diversity of Undergrowth Species in The Eastern Part of Gunung Papandayan, Garut, West Java KEANEKARAGAMAN JENIS TUMBUHAN BAWAH DI GUNUNG PAPANDAYAN BAGIAN TIMUR, GARUT, JAWA BARAT Iwan Hilwan; Idealisa Masyrafina
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur 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.6.2.%p

Abstract

Gunung Papandayan has the potential of various types of fauna and flora that has become the unity in its natural environment. The objectives of this research was to determine the composition, diversity and potential of undergrowth that are found in the eastern part of Gunung Papandayan. The total of undergrowth species on Gunung Papandayan approximately 101 species of 34 families. The level of undergrowth diversity on five sites vary with a value of highest H’ at Supabeureum (3.36), while Tegal Mariuk has the smallest value of H’ (2.40). The low level of vegetation dominance indicated that undergrowth in five sites spreadon a lot of species. Undergrowth vegetation communities in five sites are differs with IS score was < 75 %. Undergrowth species which are found on Gunung Papandayan has potential as food, medicinal plants, ornamental plants, and livestock feed.Keywords: analysis of vegetation, diversity, Gunung Papandayan, undergrowth

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