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INDONESIA
Jurnal Ilmu Pertanian Indonesia
Published by Institut Pertanian Bogor
ISSN : 08534217     EISSN : 24433462     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Artikel yang dimuat meliputi hasil-hasil penelitian, analisis kebijakan, dan opini-opini yang berhubungan dengan pertanian dalam arti luas, seperti agronomi, ilmu tanah, hama dan penyakit tanamam, ilmu kehewanan, kedokteran veteriner, keteknikan pertanian, teknologi industri, teknologi pangan, ilmu gizi, keluarga dan konsumen, biometri, biologi, klimatologi, peternakan perikanan, kelautan, kehutanan, dan sosial-ekonomi pertanian yang telah dipertimbangkan dan disetujui oleh Dewan Editor. Keterangan mengenai peralatan, pengamatan, dan teknik percobaan akan diterima sebagai artikel CATATAN. Pedoman Penulisan dicantumkan pada setiap terbitan tercetak. Indeks Penulisan dan subjek serta daftar penelaan (mitra bestari) dicantumkan di tiap nomor terakhir pada setiap volume.
Arjuna Subject : -
Articles 975 Documents
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Identifikasi Laktoferin Pada Susu Kambing Kacang Dengan Metode Imunodifusi Radial Tunggal Dan Natrium Dodesil Sulfat Poliakrilamida Elektroforesis Gel Rarah Ratih Adjie Maheswari; Joni Setiawan; Slamet Mulyanto; Imas Batubara; Cece Sumantri; Akhmad Farajallah
Jurnal Ilmu Pertanian Indonesia Vol. 12 No. 3 (2007): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Kacang goat is one of Indonesian local goat which has not been optimized in exploration. Kacang goat has potency as a dairy goat. Milk and colostrum from this type of goat is one of lactoferrin sources which has various benefit, such as antimicrobial activity. The milk as a lactoferrin source is expected to be a solution for bacterial 9astrointestinal infection cases which is a major problem in Indonesia. This research described the identification of lactoferrin from milk and colostrum of kacang goat by single radial immunodiffusion (SRID) and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). SRID is based on the diffusion of whey protein from a circular well into a homogeneous gel containing anti-lactoferrin. SDS-PAGE was performed in 7.5%  polyacrylamide gel. Both methods were able to identify lactoferrin in colostrum and milk from the sample, but SRID showed low sensitivity toward low concentration of lactoferrin in both colostrums and milk. The estimation of lactoferrin molecular weight by relative mobility of protein from the bands that perform of colostrum and milk of kacang goat is approximately 74,100 Dalton. Based on the ring diameter of the precipitin, the lactoferin level in colostrum and milk increased until 48 hours after postpartum and subsequently decreased. Keywords: colostrum, milk, kacanggoat, lactoferrin, SRID, SDS-PAGE
Sifat Fisiokimia dan Aroma Ekstrak Vanili Dwi Setyaningsih; Meika Syahbana Rusli; Nurmalia Muliati
Jurnal Ilmu Pertanian Indonesia Vol. 12 No. 3 (2007): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

 The curing process of vanilla beans from dried vanilla to vanilla extract would give added value to vanilla products. Aroma and taste in vanilla extract depend on variety of plants, cultivation methods, and curing process. Indonesian vanilla extract tend to give woody and phenolic aroma because it was harvested too early and it did not cure perfectly. This study was to identify the physicochemical and aroma characteristics of vanilla extracts from importer, exporter, and vanilla extracts from the newest experiment from our laboratory. There  were seven samples, three from importers (Tahiti grade I, Tahiti grade II, Virginia Dare), two from Indonesian Vanilla exporters (Djasula Wangi, Cobra), and two from our laboratory (G11, 57). The  physicochemical characteristics which were analyzed were vanillin content, ash, soluble ash, alkalinity of soluble ash, alkalinity of  total ash, total acidity, and lead number, all compared with the Food and Drugs Administration (FDA) standard. Sensory analysis used aroma description test consist of qualitative descriptive test (in-depth interview and focus group methods) and quantitative descriptive analysis. The result showed that the laboratory's sample from modified curing process (G11) followed the FDA standard in physicochemical characters, but the aroma description was not as strong as the aroma of vanilla extract from exporters, namely Cobra with creamy, sweet, and vanilla aroma; and vanilla extract from importer, namely Virginia with smoky and spicy aroma.   Keywords: vanilla extracts, aroma   
Dampak free trade arrangements (FTA) terhadap ekonomi makro, sektoral, regional, dan distribusi pendapatan di Indonesia Rina Oktaviani; . Widyastutik; Syarifah Amaliah
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 3 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Indonesia's commitment to be involved in the scheme of Free Trade Agreement (FTA) is expected to bring a multiplier effect for the Indonesian economy, including sectoral, regional, and household distributional impact. The study was conducted using recursive dynamic Computable General Equilibrium Model (CGE) with further extension on top-down regional features. In the short term, the impact of the FTA has not seemed to significantly increase the national and regional GOP of each province. Trade liberalization scheme could potentially reduce the real income of households, the largest decline in low-income households in rural areas. Increased household income disparities need to be accounted with a serious community empowerment program to avoid social and economic conflicts. Increased competitiveness on regional and sectoral level is necessary. Improvement on market access is mandatory for several advantageous commodities. By increasing competitiveness, quality of infrastructures, and access to export markets, the export performance can beimproved. From the internal side, an efficient supply chain management is also crucial to meet the desires of consumers with quality, time, price and the right amount.
Pengembangan metode penanda genetika molekuler untuk lacak balak (studi kasus pada jati) Iskandar Z. Siregar; Ulfah J. Siregar; Lina Karlinasari; Tedi Yunanto
Jurnal Ilmu Pertanian Indonesia Vol. 13 No. 2 (2008): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Tracking timber on teak and teak wood products can be conducted using different methods, such as DNA finger printing, chemical composition of the wood, Near Infra Red spectra (NIR) and stable isotopes. Samples were collected from wood material and leaves in Java (9 Forest Management Units district) of Perhutani to determine: i) pattern of genetic variation within and among populations, ii) to determine the protocol for DNA extraction from wood, and iii) to study the feasibility of DNA marker for timber tracking in the field. Results show that: i) genetic variation of cpDNA (PCR-RFLP) is low, while RAPD variation is moderate, ii) there are differences in chemical composition of wood among the Forest Management Units (FMUs) of Perhutani, iii) variation of isotopic carbon and oxygen in Central and East Java were higher than from of West Java, iv) absorbtion intensity of NIR in West Java was higher than for Central and East Java, and iv) testing of DNA marker showed that genetic structure in the forest site is not significantly different from that in log yards, indicating that the timber flow is still according to the procedure. RAPD marker also is able to determine the origin of illegal timber and wood in industry without clear identity. Keywords: genetik marker, teak, timber tracking
Produksi kolostrum antivirus avian influenza dalam rangka pengendalian infeksi virus flu burung A. Esfandari; I. WT. Wibawan; S. Murtini; SD. Widhyari; B. Febram
Jurnal Ilmu Pertanian Indonesia Vol. 13 No. 2 (2008): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

This experiment was conducted to study the prospect of bovine colostrum utilization to produce specific antibody as passive immunotherapy against avian influenza. Pregnant Frisian Holstein cows were injected with commercial killed Avian Influenza (AI) vaccine given double doses subcutaneously three times every two weeks. Prior to vaccination, the cows were given immunomodulator 0.1 mg.kg-1 BW administered orally for three days. The animals then were injected by inactive H5N1 antigent without adjuvant intravenously to meet the dose of 104 HAU. Blood samples were collected to detect anti AI antibody using Enzyme Linked Jmmunosorbent Assay technique. Colostral samples were analysed to detect antibody against AI using Haemagglutination Inhibition technique. IgG stabilities were tested against enzyme, pH, and spray dried prosessing with inlet dan outlet temperature of 1400C and 520C.repectively. The colostral lgG efficacy on neutralizing H5N1 virus activity was determined in vitro (by using Serum Neutralization Test and protective titer measurement) and in ovo (challenge test by using Embryonic Chicken Egg). The result indicated that serum antibody against H5N1 was detected one week after the second vaccination. Titer of colostral antibody against H5N1 was high (28 ). Biological activity of colostral IgG remain stable at pH 5-7 and after spraying-drying prosessing, but decreased after treatment by trypsin and pepsin enzymes. The neutralization test showed that the fresh and spray dried colostral IgG against H5N1 were able to neutralize 107 EID50 AI virus H5N1 with neutralization index of 1.1 and 1.0, respectively. In conclusion, pregnant Frisian Holstein cows injected with commercial killed Avian Influenza (AI) vaccine were able to produce colostral lgG against AI H5Nl. Keywords: avian influenza, bovine colostrum, lgG, passive immunotherapy
Jejaring Sosial dan Resolusi Konflik Masyarakat di Pedesaan (Kasus di Pulau Saparua Provinsi Maluku) Lala Mulyowibowo Kolopaking; Djuara Pangihutan Lubis; August Ernest Pattiselanno
Jurnal Ilmu Pertanian Indonesia Vol. 12 No. 3 (2007): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Social networking and conflict understanding in rural community is the important step in finding strategy of conflict resolution. Through qualitative research technique, it is known that there is a relation between the flow of people who were going out-in Saparua Island to fill their needs, change into flow and networking of people who were coming home to rural areas which create conflict. All villages, so called negeri, which are known by Saparua Island community, get the impact of social networking which creates conflict. Social conflict which first based on agrarian problem then developed and added with the impact of religion and politic problem, just like conflict source in Ambon Island. Although, in the next development kinship and adat relation are taking important role in taking care of community rules. The strategy needs to be followed by establishment of natural resources and land property rights existence of society. Without this step, rural community in Saparua Island still has conflict potential. Process of this step needs to be done equal with adat relation development in Latupati Association level. With that step, rural community of this island will have social institution as a forum to have root communication. An institution which can be potency of society prevents sustainable and  long  reconflict.   Keywords: Social Networking, Conflict Resolution, Conflict in Rural Area, Saparua
Pengaruh pemberian pupuk NPK dan kompos terhadap pertumbuhan semai jabon (Anthocephalus cadamba Roxb Miq) pada media tanah bekas tambang emas (tailing) Basuki Wasis; Dwita Noviani
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Tailings is one of the waste generated in the gold mining activities that contain nutrients are low. One of the principles for the management of tailings is merevegetasi land disturbed so that the necessary selection of the type that can be developed, in this case Jabon (Anthocephalus cadamba Roxb Miq.) Is one type that is recommended to be developed in the post-mine land revegetation because it is a type of fast-growing and has a high adaptability to various soil types. Experimental design used in this study was factorial design with two factors. The first factor is fertilizer NPK with 4 level and the second factor is the compost with 4 level. The best dose of the combination of the two fertilizer on the growth of seedlings jabon is high NPK fertilizer with compost dose of 15 grams and 10 grams and diameter growth for seedlings jabon, the best dose is the dose of 15 grams of NPK fertilizer and compost 0 grams.
Interaksi Antara Jumlah Nitrogen Dan Cara Panen pada Pertumbuhan dan Persentase Minyak Nilam yang Dihasilkan pada Panen Pertama Stefani Daryanto; Sandra Arifin Aziz
Jurnal Ilmu Pertanian Indonesia Vol. 12 No. 3 (2007): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Patchouli oil is one of major components in perfumery industries as well as incense. Its smell is heavy and strong due to the presence of its major component called patchoulol or patchouli alcohol. However, the production has not stabilized yet because of several factors including cultivation. Experiment was conducted from November 1999-May 2000. Patchouli cuttings were grown in randomized complete block design with four replications. Nitrogen rates for this experiment were 0, 45, 90, and 135 kg ha-1 and three harvesting methods, which were three pairs of youngest leaves, 20 em from the tip and by leaving 20 em stubble from ground. Plant height and number of branches continued to increase significantly linear at higher N rates. There was significant interaction between N rate and harvesting method on wet and dry harvest mass. Effect of N on composite percentage differed for each harvesting method. The yield from three youngest leaves was higher than harvesting 20 em from the tip and leaving 20 em stubble from the ground for 45, 90, and 135 kg ha-1 respectively. Keywords: patchouli oil, nitrogen level, harvesting method
Studi metode invigorasi pada viabilitas dua lot benih kedelai yang telah disimpan selama sembilan bulan . Nurmauli; Yayuk Nurmiaty
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Invigoration  is one method to solve the problem of overdue seeds.  Seeds are treated before planting to stimulate the metabolism activities inside the seeds so that seeds are equipped to emerge. Invigoration method could be applied using osmo-conditioning (Polyethylene Glycol (PEG-6000) solution) or matriconditioning, and hydrate-dehydrate treatment. Invigoration started when seeds imbibe in a solution with low water potential until seed water content could be reserved after its equilibrium.This study was conducted in Seed technology and breeding laboratory, Faculty of Agriculture, Lampung University in June 2009. Seeds testing with osmo-conditioning including: (1) hydrate-dehydrate treatment with aqua bides and (2) immersed into Polyethylene Glycol (PEG) with 10 and 20% concentration.  Observations were including: seeds emerge ability, sprout identical growth, dry mass of normal seeds, and electrical conductance.  All data were analyzed, described and presented with statistical methods and with histogram.  The results showed that: (1) Anjosmoro soybean seeds status which were overdue during storage were moderate stability which were showed by emerge viability observation (<70%) and (2) viability restoration and anjosmoro soybean seeds vigor which were overdue during storage using invigoration method tended to be the highest which were showed by observing seeds emerged ability, sprout identical growth, and sprout dry mass together with low electrical conductance.
Pencirian Mananase Streptomyces costaricanus 451-3 Anjani Meryandini; Dwi Ambarawati; Nisa Rachmania
Jurnal Ilmu Pertanian Indonesia Vol. 13 No. 1 (2008): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Major component of hemicelluloses are mannans (softwoods) and xylans (hardwoods). Hemicclluloses arc used by microbes as a carbon sources. Mannanase and xylanasc arc enzyme complex that are able to degrade hemicelluloses. Mannanase activity from Streptomyces costarianus 451-3 was tested in locust bean gum 0.5% and coconut meal 0.5% medium and was detected by dinitrosalysilic acid method. Protein concentration was measured using Bradford method. Mannanase and xylanase activity were also detected using birchwood xylan and oatspelt xylan medium. The optimum temperature and pH of Streptomyces mannanase strain 451-3 was 40 oC and 6,0, respectively. The addition 1mM of Mg2+ and Zn2+ at final concentration increased the mannanase activity for about 30% and 80%, while 1mM Mn2+, Ca2+ and Co2+ decreased its activity for about 67%, 100%, and 60%, respectively. The addition of I mM ethylene diamine tetraacetic acid tend to decreased the enzyme activity to 30%. The medium which contain birchwood xylan dan oatspelt xylan could induce mannanase activity, hut in a lower degree then that of xylanase. Keywords: mananase, streptomyces, xilanasc 

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