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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 419 Documents
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Perbandingan Simpanan Karbon pada Beberapa Penutupan Lahan di Kabupaten Paser, Kalimantan Timur Berdasarkan Sifat Fisik dan Sifat Kimia Tanahnya Lilik Sugirahayu; Omo Rusdiana
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

The Comparison of Carbon Stocks on Some Land Cover at Paser, East Kalimantan Based on Its Soil Physical and Soil ChemicalForest has a lot of direct and indirectly benefits for life. Direct benefits of forest are timber, non timber forest products and wildlife/fauna. While, indirect benefits of forest are the environment services as the hydrology regulator, aesthetic function, producer of oxygen and carbon absorber. Forest is the largest carbon absorber (sinks) and having an important part in the global carbon cycles, however forest can also produce a carbon emission (source). Forest ecosystem has ability to absorb and store different kinds of carbon even in the natural forest, mangrove, swamp, forest plantation and at the folk’s forest. The differences of carbon sinks are influenced by number and tree density, trees species, biotic factors which consist of radiation, humidity, temperature and soil fertility which affect the rate of photosynthesis. The land fertility was determined by soil physical, soil chemical, and soil biological. Therefore, this research aims to compare carbon stocks on some land cover based on its soil physical and soil chemical.The research was performed at some lands coverings of Paser, East Kalimantan in January to July 2011. Data was processed and analyzed in the Forest Influence Laboratory, Department of silviculture, Faculty of Forestry, Bogor Agriculture University and Land Laboratory, Land Research Hall. Measurement of biomass and carbon sinks were performed by using the diameter data of stand and height in each land covering. Analysis of soil physical temper (texture and soil bulk density) and soil chemical (pH, CEC, Ratio of C/N, P, K, Ca, and Mg) were performed to disturbed and undisturbed soils. The result of research  showed that mangrove forest had the greatest carbon sinks, that was 51.5031 tons/hectares. While, the lowest carbon sinks was on the palm oil plantation for 0.1046 tons/hectares. From soil analysis result was  known that swamp forest tended to be more fertile compared with other land coverings. Whereas, palm oil plantation and agroforestry is indicated the lower of land fertility. The raising of soil physical and soil chemical’s value increase the carbon stocks on each land cover, exception of bulk density that decrease the carbon stocks. The result analysis correlation showed in insignificant value, its indicated by the value of r2 less than 99%(0,99) or 95%(0,95). Need to research about estimation carbon stocks on the other land cover, and compare the carbon stocks based on the other land characteristics, as topography and climate.
Pengaruh Ruang Simpan, Media Simpan dan Lama Penyimpanan terhadap Viabilitas Propagul Rhizophora mucronata Vonnya Liddyannisa P; Cecep Kusmana; Yulianti Bramasto
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

The potention of mangrove forests in Indonesia has been decreasing. Therefore, rehabilitation is necessary in order to maintain sustainability of forest ecosystems. One of the efforts is the replanting of mangrove forest. The success of planting depends on the availability of seed. Seeds can not be obtained any time if needed so that storage seed is necessary for seed viability can be maintained within a certain time period until the time of planting arrives. The problem has been arise because of   Rhizophora mucronata is a recalcitrant seed, which is at certain moisture content that relatively high, the propagule tend to be easy to germinate and if the moisture content is low, the propagule will be die or loss of their viability. This study aims to investigate the influence of storage media, storage room and time of storage on propagules viability of R. mucronata and to compare between  the germination from the rapid test (cutting test) and the germination from the direct test.This study used a factorial experiment with completely randomized design (CRD) factorial 5x2x2 with 3 replicates. The details of the factors are: factor A (time of storage) consists of A0 (0 weeks), A1 (1 week), A2 (2 weeks), A3 (3 weeks), and A4 (4 weeks); factor B (storage room) consists of B1 (AC room) and B2 (living room); and factor C (storage media) consists of C1 (sawdust) and C2 (coconut husk).The data collected is the result of cutting test from propagule, the percentage of rooted propagule (PB), moisture content (MC), germination (DB), germination value (NP), the growth rates (KT), shoot and root ratio (NPA). Based on these results, the influence of interaction between storage time, storage room and storage media caused significant differences on germination propagule R. mucronata. The influence of interaction between storage time and storage room caused significant differences to the percent of rooted from propagule R. mucronata. The influence of storage time and storage media caused significant differences in seedling roots to shoot ratio of R. mucronata. In this study, coconut husk media storage that is placed in the air conditioner room capable to maintaining the viability of propagule R. mucronata until the time of storage for 4 weeks. The result of estimation methods viability propagule R. mucronata with cutting test is relatively similar with the directly propagul germination test results.
Penggunaan Pupuk Organik untuk Peningkatan Produktivitas Daun Murbei (Morus sp.) Sebagai Pakan Ulat Sutera (Bombyx mori L.) Wiwit Setiadi; Kasno Kasno; Noor Farikhah Haneda
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

Utilization of Organic Fertilizer to Productivity Mulberry (Morus alba) Leaf’s Quality as Silkworm (Bombyx mori) FeedOne of effort, to obtain maximum cocoon production by feeding silkworms with mulberry leaves are sufficiant. Fertilizing by using organic fertilizer was one of effort to improve mulberry productivity. Organic fertilizer used in this research was animal manure, liquid organic fertilizer and compost. Measurement of parameters of mulberry productivity were leaf total, leaf weight, leaf area, plant height, branch length, and branch total; while observed parameters of silkworm cocoon quality were mortality percentage, cocoon weight, cocoon skin weight, cocoon skin percentage, and cocoon quality class.ANOVA test result shows that application fertilizers has an insignificant effect to leaf total, leaf weight, plant height, and branch length. Treatment by using a liquid organic fertilizer had the highest values for all parameters measured. Adversely, fertilizing has a significant effect to leaf area, branch total, cocoon weight, cocoon skin weight and cocoon skin percentage. Highest mortality percentage was resulted from control treatment that was amounted 13.75%; while lowest mortality percentage was resulted from compost fertilizer treatment that amounted 4.75%. Highest cocoon weight, cocoon skin weight and cocoon skin percentage was resulted from animal manure treatment. Best cocoon quality was B class for control, animal manure and liquid organic fertilizer, while for treatment using compost fertilizer has a C class cocoon quality. In an outline granting manure, liquid organic fertilizer and fertilizer compost sequentially give increase production of leaves at 2,39 tons/ha, 3,49 tons/ha and 2,94 tons/ha.Fertiler application by using liquid organic fertilizer produced highest profit, which amounted Rp.2.672.900, compared with normal income (without fertilizing) after reduced by production cost and other expenditures such as fertilized and fertilizing application cost (detail attached).
Ketahanan Kayu Sengon terhadap Pycnophorus sanguineus dan Pleurotus djamor untuk Uji Standar Nasional Indonesia (SNI) 01-7207-2006 Elis Nina Herliyana; Nifa Hanifa; Yusuf Sudo Hadi; Ariana Ariana; Kunio Tsunoda
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

The Resistance of Sengon against Pycnoporus sanguineus and Pleurotus djamor Using the SNI Methods (Standar Nasional Indonesia) 01-7207-2006Fungi is a organism which does not have chlorophyll and receives the energy resources by absorption system to the organic matters. A wood contains cellulose, hemicelluloses, and  lignin which in the wood decay fungi is very good needs. The kind of tree which the most acquainted with commercial trading till now is about 400 kinds of botanical (species). Around 80 – 85% of Indonesian woods had low class which it’s very easy attacked by wood decay fungi for instance Sengon. Kinds of it which potentially most decaying off the woods are Schizophyllum commune, Pycnoporus sanguineus, Dacryopinax spathularia, and Pleurotus djamor. This study was purposed to determine the potential of two kinds wood decay fungi to Sengon based on SNI Method (Standar Nasional Indonesia : SNI 01-7207-2006). Based on SNI 01-7207-2006 point out of wood weight loss percentage by the wood decay fungi knows that Sengon belong to IV - V resistance class (not resistant till very not resistant). The wood weight loss percentage was Sengon by P. sanguineus breed (31,09%) belong to V resistance class (very not resistant) and the wood weight loss percentage by P. djamor (20,51 %) belong to IV (not resistant).
Schizophyllum commune Fr. Sebagai Jamur Uji Ketahanan Kayu Standar Nasional Indonesia pada Empat Jenis Kayu Rakyat : Sengon (P. falcataria), Karet (H. brasiliensis), Tusam (P. merkusii), Mangium (A. mangium) Elis Nina Herliyana; Laila Fithri Maryam; Yusuf Sudo Hadi
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

Schizophyllum commune Fr. As Indonesian National Standard Wood Resistance Test Fungi on Four Kinds of Community Wood : Sengon, Rubber, Tusam, and MangiumSchizophyllum commune Fr. is a vicious wood decaying fungi that in several cases could cause to 70 % weight loss. These fungi could attack various kind of woods (more than 25 wood species). It has been widely distributed especially in tropical area, and could easily grow in many conditions. This wood decaying fungi has an ability to decompose cell components of the woods through enzymatic processes from a complex to simpler form. Resistance of wood is strongly influenced by the content of extractive substances, although not all of these extractive substances are nocuous to wood destroying organisms. Based on the resistance, most common community woods have a low grade of resistance (grade III, IV, and V). This study aimed to determine the resistance of the four kind community woods which are sengon wood (P. falcataria), rubber (H. brasiliensis), tusam (P. merkusii), and mangium (A. mangium) against S. commune based on SNI 01.7202-2006. Parameters of the wood resistance against S. commune attack could be seen from the sample of weight loss. Based on the results of testing, it was known that sengon wood resistance was classified to a class IV-V (weak to extremely weak resistance to fungal attack) with the weight loss of longitudinal sengon and cross sengon respectively 32.2 and 15.7 %. Rubber wood resistance was classified to a class IV (weak resistance) with the weight loss value of longitudinal rubber and cross rubber respectively 13.8 and 12.0 %. Tusam and mangium wood’s resistance was clasified to a class III (moderate resistance) with the weight loss value of longitudinal tusam and cross tusam respectively 8.0 and 9.3 %. As for the mangium, the weight loss of longitudinal mangium and cross mangium respectively 6.3 and 6.3 %. Thus, the recommended wood as the control for the test of resistance against S.commune attack was sengon wood with the longitudinal direction of fiber. Fungi S. communne could use as the standard and was a recommended fungi for the the resistance test of the wood as it could cause the weight loss up to 3.2 % on sengon wood with the longitudinal direction of fiber.
Respon Pertumbuhan Semai Tancang (Bruguiera gymnorrhiza (L.) Lamk.) Terhadap Tingkat Penggenangan di Kawasan Mangrove Jalan Tol Sedyatmo, Jakarta Utara Indah Permatasari; Cecep Kusmana
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

The Growth Responses of Tancang (Bruguiera gymnorrhiza (L.) Lamk.) Seedlings on Inundation Level in Mangrove Area of Sedyatmo Highway, North JakartaIndonesia as a mega biodiversity country has the mangrove forests, mainly growing in the protected coastal areas. In relation to the global warming, those mangroves are threatened by the raising of  sea level. So that, the information about the response of mangroves to the inundation should be explored. This study is aimed to elaborate the growth response of mangrove seedlings of Bruguiera gymnorrhiza  to the degree of inundation and to determine the degree of inundation which gives the best effect to the growth of seedlings. This research used Randomized Complete Block Design with inundation level as the treatment which is divided into three treatment stages, that are inundation until limit of the root neck, inundation between ¼ seedling height and ½ seedling height, and inundation between ½ seedling height and ¾ seedling height. Mangrove species that is used in this research is six months years old seedling of tancang  (Bruguiera gymnorrhiza (L.) Lamk.). The research results showed that inundation level which gave the best effect to the growth of B. gymnorrhiza seedling is inundatoion until limit of the root neck. However, B. gymnorrhiza can adapt and having good growth at the inundation up to ½ seedling height.
Pretreatment dengan Phanerochaete chrysosporium dalam Hidrolisis Asam Encer Sludge Kertas Elis Nina Herliyana; Ai Rosah Aisah; Isroi Isroi
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

Pretreatment with Phanerochaete chrysosporium in Paper Sludge  Dilute Acid HidrolisisFungi Phanerochaete chrysosporium is one of Basidiomycetes, which is able to degrade lignocelluloses materials, such as paper sludge. The cellulose from paper sludge could been as bioethanol raw materials, so there is need a delignification process in order to remove lignin. The delignification process could be performed by utilizing fungi P. chrysosporium as lignin degrading agent. In this work, duration of incubation (6 days, 12 days and control) and acid concentration (2.5 %, 5 % and control) factors were used to determine the reducing sugar content of paper sludge. The contents of cellulose and hemicelluloses exhibited increase as compared with those of control namely between 3.5-4.5% and 0.4-1.7% respectively, whereas kappa number exhibited decrease as compared to control namely between 10.2-15%. The enzyme activities of LiP, MnP and cellulase of 6 days incubation as much as 0.789 and 0.062, and 0 U/ml, whereas those of 12 days incubation as much as 0, 0.069 and 0.165 U/ml. The reducing sugar produced was still relatively low, namely between 0.3x10-2-2.6 g/l.  Factor of acid concentration gave significant effect on reducing sugar produced, and on the basis of Duncan advanced test, each level of the acid concentration differed significantly from each other.
Evaluasi Aplikasi Fungi Mikoriza Arbuskula (FMA) dan Respon Pertumbuhannya Terhadap Jati (Tectona grandis Linn. F.) di Persemaian Jenny Rumondang; Yadi Setiadi
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

Evaluation of Arbuscula Mycorrizhae Fungi (AMF) Application to Teak (Tectona grandis Linn. F.) Seedling and Its Growth Responses in NurseryTeak  (Tectona grandis Linn. F.) was one of Verbenaceae family that categorized into luxurious goods commodity. One of difficulties in meeting of teak woods demands was the growth of teak in the nursery that takes long enough time, thus need efforts to accelerate the growth and improve the quality of teak in the nursery. Arbuskula Mycorrizhae Fungi (AMF) was one of endomycorrizhae that could associate with teak. Mycorrizhae could provide phospor that has important role for (Adenosin Triphospate) ATP creation in the plant. The objective of this research was to collect and provide information from many performed research for evaluating and analyzing the effect of endomycorrizhae inoculation to teak seedling growth. Result of this evaluation about application AMF of teak seddling that  G. aggregatum dan  G.manihotis-3 could improve the growth of teak seddling. G. manihotis-3 was effective AMF that improve the growth of teak seedling. The addition of M-Dext on 10 cc/l and 30 cc/l doses, and 3 gr of NPK could support the improvement of teak seedling growth that inoculated with AMF. Used utilization of growing media from sterilized mixture of sand and soil could support the growth of teak seedling that inoculated with AMF in nursery. Inoculation technique with hole-system or layering system could used to application teak seedling with AMF in nursery.
Pengaruh Tegakan Mahoni (Swietenia macrophylla King) Terhadap Pertumbuhan dan Produksi Jarak Pagar (Jatropha curcas Linn.) Nurheni Wijayanto; Anindita Kusumaningrum
Jurnal Silvikultur Tropika Vol. 2 No. 3 (2011): 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.2.3.%p

Abstract

The Influence of the Mahogany Stands (Swietenia macrophylla King.) On The Growth and Production of Jatropha curcas (Jatropha curcas Linn.)Agroforestry of mahogany and jatropha in Babakan Madang RPH was established. Jatropha were planted under mahogany stands of 3 years old (young mahogany stands), and 17 years (old mahogany stands). The difference of ages of mahogany may give influence on the growth and production of jatropha. The purpose of this research was to determine the influence of the mahogany stands (S. macrophylla) on the growth and seed production of Jatropha (J. curcas).The growth parameters of jatropha consisting of height, diameter, length, width tree crown were measured. These growth parameters were used to determine the tree crown width, as well as root length.  Jatropha curcas plant height measurement was done by using graft-scale, while for measuring the widht, length and width of the crown, band meter was used. In this case, census method was applied. In every mahogany stand, 15  J. curcas trees  were chosen for sampling. Root length of jatropha was measured by digging method. Horizontal and vertical roots were measured. The result showed that the growth of jatropha was significantly affected by the stand age of mahogany. Young mahogany stands produced better effect on height, diameter, length, width, and crown width of Jatropha than in old mahogany stnads. It was also strengthen by the results of the t-test (p
Pengaruh Tingkat Penggenangan terhadap Pertumbuhan Semai Pedada (Sonneratia caseolaris (L.) Engler) di Kawasan Mangrove Tol Sedyatmo Angke Kapuk, Jakarta Utara Yuda Purnama; Iwan Hilwan; Cecep Kusmana
Jurnal Silvikultur Tropika Vol. 3 No. 1 (2012): 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.3.1.%p

Abstract

Influence of Inundation Level Toward The Growth of Pedada Seedling (Sonneratia caseolaris (L.) Engler) in Mangrove Area Tol Sedyatmo Angke Kapuk, North Jakarta.Global warming that causing the melting of iceberg in the pole have an impact on rising of level sea which impact on mangrove forest ecosystems. So that, we need to know the information about species of mangroves that can be adapted to increasing sea level and also species that can support for mangrove rehabilitation. Purpose of this research is to elaborate the effect of inundation on seedling growth and determine the level of inundation that support the good seedling growth. This research used randomized block design with inundation level as a treatment. There were three treatments consisting of inundation until the limit of the root neck, inundation between ¼ stem height and ½ stem height, and inundation between ½ stem height and ¾ stem height. Mangrove species that is used in this research is 2 and 4 months years old seedling of S. caseolaris. The research results showed that the level of inundation of the root neck gives the best effect to seedling growth. However, S. caseolaris can adapt and having good growth at inundation up to ½ stem height. In general, the influence of inundation level give effect to the growth variable responses, except in height, length of internode, and height increment of seedling.

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