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Bambang Hero Saharjo
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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 5 Documents
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Search results for , issue "Vol. 1 No. 1 (2010): Jurnal Silvikultur Tropika" : 5 Documents clear
Identification the Potential Types of Fungi on Establishment Agarwood Stem of Aquilaria spp. Sri Wilarso Budi R.; Erdy Santoso; Akhmad Wahyudi
Jurnal Silvikultur Tropika Vol. 1 No. 1 (2010): 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.1.1.%p

Abstract

One of tree genus that becomes the main source of agarwood producer is Aquilaria. The formation of agarwood was believed as response of agarwood trees to many factors, likes plant physiological and pathogenic fungi infection. A number of isolates that have the potential to induce agarwood has been isolated from wood samples from different areas such as Bangka, Bogor, Bohorok, Gorontalo, East Kalimantan, Lampung, Mentawai, Papua, and Sukabumi. This study aimed to obtain information on the types of fungi isolated from stem-forming agarwood Aquilaria spp that successful collection of Microbiology Laboratory of Forestry Research in Bogor. Identification was done by observing morphological features from cultured isolates on PDA and BLA. The results of identification of isolates collection include species of Fusarium solani (Mart.), Appell and Walenw, F. tricinctum (corda) Sacc, F sambucinum Fuckel, and F. Moniliformae.
Study of Vegetative Propagation on Intsia bijuga (Colebr.) O.K. with Grafting andi Sukendro; Irdika Mansur; Risna Trisnawati
Jurnal Silvikultur Tropika Vol. 1 No. 1 (2010): 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.1.1.%p

Abstract

Vegetative propagation by grafting is an alternative method for merbau [Instia bijuga (Colebr.) O.K] propagation. One of the advantages of grafting that is  mostly used in seed production  that will be planted in seed orchard and it is useful for saving the merbau genetics. The research used Top Cleft Grafting method and completely randomized design with two factors. The first  factor is rootstock treatment which has diameter between 4-6 mm and 6.1-8 mm. The second factor is a scion phase type treatment which has dormant type and active type. Based on ANOVA, it is known that the rootstock and scion phase type treatments do not have significant influence on survival percentage and disease resistance percentage. But, interaction between them have a significant influence on a disease resistance percentage. According to the result of research, it is  known that the average of survival percentage of  Merbau grafting is 21.67%.
Utilization of Rhizoplane Bacteria and Arbuscular Fungi Mycorrhizal (AFM) to Improve Growth of Jelutong Seedling (Dyera polyphylla Miq. Steenis. Irnayuli R. Sitepu; Irdika Mansur; Rifa’ Atunnisa
Jurnal Silvikultur Tropika Vol. 1 No. 1 (2010): 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.1.1.%p

Abstract

Nontimber forest products (NTFPs) represent sources of income from tropical forest, but some NTFP species have decreased in population and become endangered due to overexploitation. There is increasing concern that the planting stock of Dyera polyphylla is not sufficient to sustain the yield of NFTPs. The beneficial root colonizing rhizosphere bacteria, the so-called plant growth-promoting rhizobacteria have been known to carry out many important ecosystem processes, such as those involved in the nutrient cycling and/or seedling establishment. The roots of most plant species associate with certain soil fungi and establish what are known as mycorrhiza. The objective of this study was to determine the effect of two arbuscular miycorrhizal (AMF) fungi, Glomus sp., Gigaspora sp. and thirteen strains of hizoplane bacteria (CK32, FL.13.2.1, JW1, JW6, JW9, JW13, JW14, CK26, CK4, JW3a, SB, NT, CR.R1), on the early growth of D. polyphylla, under greenhouse condition. Percentage of AMF colonization, plant growth, and nitrogen (N) and phosphorus (P) concentration were measured after 150 days of planting. The results showed that the percentage of AM colonization of D. polyphylla was 100%. Colonization by Glomus sp. significanly increased plant height by 18,95% and diameter by 16,16% compared to those non AMF. Combination of bacterial and AMF inoculant between JW13 and Glomus sp. increased shoot weight by as much as 36,28% from control and increased N concentration by 69,59% compared to those of non inoculate a seedlings. Combination of JW1 and Gigaspora sp. increased P concentration by as much as 42,05% compared to those of non inoculate seedlings. Despite the difficulty of selecting a multifunctional microbial consortia, appropriate microbial combinations can be recommended for a biotechnological input related to improvement of plant performance. 
Utilization of Rice-Hush Charcoal to Improve Growth of Jabon Seedlings (Anthocephalus cadamba (Roxb.) Miq) on Subsoil Media. Supriyanto Supriyanto; Fidryaningsih Fiona
Jurnal Silvikultur Tropika Vol. 1 No. 1 (2010): 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.1.1.%p

Abstract

Bio-charcoal has been used widely in agriculture and forestry, especially in seedling production. It is not only as a source of fuel energy but the charcoal can also be used as a soil amandment for improving soil properties as an effort to improve crop growth and land rehabilitation. The purpose of this study was to determine the effect of adding rice-husk charcoal amendment to Jabon seedlins  grown in the subsoil media. Treatment was provided in the form of five doses of rice-husk charcoa lthose were 0% (control), 2.5%, 5%, 7.5% and 10% (v / v) with 10 replicates, each treatment consisted of  3 units. The number of media (subsoil)treatment was 2 / 3 the volume polybag size 10 x 15 cm. Observations showed that the amandment of rice-husk charcoal to the subsoil improved significantly on height and the total dry weight (biomass) of Jabon seedlings compared to controls. The amandment of rice-husk charcoal 5% (v / v) in the subsoil produced the best growth of Jabon seedlings or increasd  from  27.42% to 65.64% for total dry weight (biomass) compared to control.
Growth of Gmelina arborea Roxb. in Several Agroforestry Patterns Nurheni Wijayanto; Mokhamad Rifa’i
Jurnal Silvikultur Tropika Vol. 1 No. 1 (2010): 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.1.1.%p

Abstract

Combination of cultivated plants conducted in RHLP program in Cikanyere village enable for differences response occurrence to main plant growth. The purpose of this research is to examine the main plant growth of Gmelina arborea Roxb. in several agroforestry patterns in Cikanyere Village, Sukaresmi District, Cianjur Regency. Main plant growth parameters (height, diameter and crown projection) measured in the census in each agroforestry patterns. Physical and chemical soil analyzed from each agroforetsri patterns in the laboratory. Traced the history of land management by conducting interviews with managers of farmers each selected agroforestry patterns. The data obtained were analyzed descriptively. Agroforestry pattern wasa developed by the farmers is AF 1 (Gmelina, corn, cassava, banana), AF 2 (Gmelina, corn, coffee, bananas), AF 3 (Gmelina, mahogany, cassava, petai), AF 4 (Gmelina, mahogany, corn, chili peppers) and AF 5 (Gmelina, mahogany, dry land rice, cassava, corn). The pattern of AF 3 has the lowest of growth, while the pattern of AF 1  and AF 4 showed the most growth compared with other patterns. The pattern of AF 3 have small LCR and LAI, while the pattern of AF 1 and AF 4 have the largest LCR and LAI so that photosynthesis function optimal and main plant growth are better than the other patterns. The phosphorus (P) on the pattern of AF 3 suspected to be a limiting factor for plant growth gmelina. P and K needed cassava plants in sufficient numbers to form the root and tuber enlargement so that suspected as the cause of the low content of P elements in AF 3 pattern. Basic plant growth G.arborea Roxb. influenced by the interaction between components and land management systems that do farmers in each agroforestry patterns.

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