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Jurnal Ilmu Pertanian Indonesia

JIPI
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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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Induksi Kalus Jeruk Kasturi (Citrus microcarpa) Menggunakan Hormon 2,4-D dan BAP dengan Metode in vitro Imam Mahadi; Wan Syafi’i; Yeni Sari
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Calamansi fruits (Citrus microcarpa) or musk lime is one horticulture crops has been known as beverage and food flavorings. This research aimed to determine the effect of 2,4-D and BAP on callus induction of explants calamansi fruits (Citrus microcarpa). Parameters observed is percentage of explants, time appeared callus, callus width, and texture of the callus. Research results and a growing percentage of the width callus explants were analyzed by ANOVA and a further test DMRT at 5% level. The next to appear callus timing parameters and texture of callus analyzed in description. The result shows that a combination of hormones D4B1 and D4B2 produces a callus emerged fastest of 3.3 days after culture. The highest percentage of callus formation that is 100% contained in the treatment of D2B0, D2B0.5-D4B0. The mean width of callus was highest in treatment D4B2with a width of 0.97 cm. Embryogenic callus resulting by treatment of D2B1, D2B2, and D3B0. However, the best a combination of hormones is treatment D2B2 (2 mg/l, 2,4-D, dan 2 mg/l BAP) producing embryogenic callus edvanced to suspension cultures.

Keragaan Pertumbuhan dan Biomassa Varietas Kedelai (Glycine max (L)) di Lahan Sawah dengan Aplikasi Pupuk Organik Cair Eka Widiastuti; Evy Latifah
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Liquid organic fertilizers (POC) is an alternative to the addition of macro and micro nutrients to improve the productivity of soybean. The aim of the research was to determine the effect of varieties and POC Biotek concentration and the interaction on growth and yield of soybean. The experiment was conducted in BPTP East Java experiment field, Malang Karangploso from February-May 2012. Randomized Complete Block Design (RCBD) factorial with three replication was used in this experiment. The first factor is five soybean varieties and the second factor is four POC Biotek concentration. The result of experiment show that varieties significantly different with POC concentration and had interaction varieties and Biotek POC concentration. Burangrang varieties with the Biotek POC concentration 4 ml/l give higher yield (seed weight 17.67 g). Burangrang varieties can be used as a potential alternative to animal feed because it was high dry weight (0.70 kg).

Kebiasaan Makan dan Luas Relung Ikan-Ikan Indigenous yang Ditemukan di Waduk Penjalin Kabupaten Brebes, Jawa Tengah . Elinah; Djamar Tumpal Floranthus Lumban Batu; Yunizar Ernawati
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Knowledge about food habits it is need to see how fish utilize their resources. The objective of this study was to assess feeding habits and niches breath fish species indigenous at Penjalin reservoir. This study was conducted during three months from Maret-Mei 2015. Location of the study were divided into 4 stations and sampling was conducted using gill nets. Feeding habits analysis used of the index of preponderance whereas calculation the niche breath using the method of Levin's Measure. In general, the niches breath of indigenous fish in the Penjalin reservoir ranged between 0.71-3.92. The result showed that uceng (Nemacheilus fasciatus), benteur (Puntius binotatus), and wader padi (Rasbora lateristriata) classified as more freely of other indigenous fish species, because it is able to utilize several different resources as a main food. Selective trait shown by (Dermogenys pusilla) because only use one kind of natural food with a high percentage.

Dampak Pertambangan Nikel Terhadap Daerah Penangkapan Ikan di Perairan Kabupaten Halmahera Timur Deni Sarianto; Domu Simbolon; Budi Wiryawan
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

East Halmahera District is one of the mining central areas Nickel in North Moluccas. This mining had a great impact on water quality changes. The aims of this study were to determine the content of Suspended Particulate Matter in East Halmahera waters, determine the water quality level, and determine fishing ground degradation level. The results showed the suspended solids in East Halmahera waters were above NAB, which had been set by Ministry of Environment those were less than 25 mg/l. While the average of SPM content in East Halmahera waters were above 25 mg/l except Wasile. The content of nickel in waters were known under NAB, but it had approached the NAB value which it means nickel had impacted the waters. Water quality changes had given impact to the fish degradation in waters, which the fish were captured by lift netwere classified in ilegal size (IS), that Stolephorus spp 62%, Loligo spp 67%. The number of IS for anchovy and squid were caused by lift net operation which were located near the coastal area where this area has been pressed by mining activities. This condition did not happen on purse seine and gillnet which legal size (LS) of Decaptrus spp 96% and Rastrilliger spp 90%. It was caused by fishing gear which operated far from coastal area. Based on the analysis, can be concluded that the mines Ni has a considerable effect on the degradation of water quality and reduction in size of a decent fish caught mainly lift nets.

Analisis Pemangku Kepentingan dan Jaringan Sosial Menuju Pengelolaan Multipihak di Kabupaten Solok, Sumatera Barat Qori Pebrial Ilham; Herry Purnomo; Tri Nugroho
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Protected Forest Management Unit (PFMU) of Solok is one of 120 FMU Model that has been set by the government through Ministry of Environment and Forestry (MoEF). Community settlements (Nagari) were around and inside the FMU. Additionally, the existence of the FMU as a new institution in forest management cause different interpretation of the various stakeholders. The objective of this research was to identifying stakeholders and their interest and analyzing the patterns of relationship of stakeholders involved in the management of PFMU Solok. This research was conducted based on stakeholder analysis and social network analysis. Stakeholders involved in management of PFMU Solok have diverse interests and power. There were 22 stakeholders identified, in which 2 were classified as key players, 10 as subject, 4 as context setter, and 6 as crowd. Interaction pattern of stakeholders in the form of information flow was not spread evenly. The result shows that there were many stakeholder in the management of PFMU Solok. Multistakeholder forest management can be an alternative management model to integrate interests of stakeholders and equally distribute information.

Struktur Komunitas Fitoplankton di Danau Toba, Sumatera Utara Arif Rahman; Niken Tunjung Murti Pratiwi; Sigid Hariyadi
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Lake Toba is the largest lake in Indonesia, located in the Province of North Sumatra. Lake Toba is used to aquaculture, agricultural, tourism, and residential areas. These activities will produce organic and anorganic matter that can affect water quality and can cause eutrophication. Some indicators of eutrophication are an increase in phytoplankton biomass and changes in phytoplankton community structure. The aim of this study was to describe the phytoplankton community structure in Lake Toba. This study was conducted on 20-24 October 2014 at 23 stations around the Samosir Island, Lake Toba. The results showed that the phytoplankton abundance ranged 216-68.319.716 cells/m3. The phytoplankton composition consists of 35 genera from four classes: Cyanophyceae, Chlorophyceae, Bacillariophyceae, and Dinophyceae. Chyanophyceae is a dominant phytoplankton groups based on the composition of abundance (>40%). Structure of phytoplankton communities in Lake Toba dominated by Anabaena.

Uji Toksisitas Letal Cr6+ Terhadap Ikan Nila (Oreochromis niloticus) Nanik Mustikaning Tyas; Djamar Tumpal Floranthus Lumban Batu; Ridwan Affandi
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Chromium is a risk pollutant through their carcinogenic character non degradable by organisms and accumulate into the environment. The aims to find LC50-96h of chromium on test organism. The test organism used are Oreochromis niloticus, these organisms may represent the actual condition of the environment. This study was divided into 2 steps i.e. basic and lethal toxicity (LC50-96 h) tests, being run in triplicates. Lethal toxicity test data were probity analyzed. The result showed that LC50-96h of Cr6+ on Oreochromis niloticus was 61.2 ppm.

Manipulasi Agronomi Bunga Iles-iles (Amorphophallus muelleri Blume) untuk Meningkatkan Produksi Biji Edi Santosa; Ani Kurniawati; Maryati Sari; Adolf Pieter Lontoh
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Corm of iles-iles (Amorphophallus muelleri Blume) is extracted for glucomannan production, a material that is widely used in medicinal, food, and beverage industries. Increasing demand on glucomannan promotes fast expansion of planting area in Indonesia, however, seed availability is limited. The objective of the experiment was to study corm age, planting distance, and planting depth in order to enhance seed production in A. muelleri. Two experiments were conducted under paranet of 65% in Leuwikopo Experimental Farm, Bogor Agricultural University (IPB) from June-November 2015. First experiment used 0- (bulbils), 1-, 2-, 3-, and 4-year-old corms. Second experiment used flowering 3-year-old corms, arranged by factorial of planting distance (0 × 0 cm and 50 × 50 cm) and planting depth (0 and 5 cm in depth). Results showed that flowering of A. muelleri was dependent on corm age, 96% of 3-year-old corms produced flower but none of the 1- and 4-years-old corms produced flower, whereas 8% of 2-year-old corms produced flower. Planting distance did not affect flower growth, while planting at a depth of 5 cm enhanced seed production. Present experiments imply that application of large 3-year-old corms, planting in dense population and at depth of 5 cm could enhance seed production of A. muelleri. It needs further investigation on seed quality from flowering of present treatments.

Kualitas Kayu Meranti Merah (Shorea leprosula Miq.) Hasil Budi Daya Imam Wahyudi; Julius Johansen Sitanggang
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Wood quality of five year-old of cultivated Red Meranti (Shorea leprosula Miq.) was studied in order to assure its proper utilization. The evaluation was conducted based on fiber dimension and physical properties of wood. Fiber dimension was measured through maceration specimen, while green moisture content, wood density, and specific gravity were measured following the modification of BS 373.75. Result shows that quality of Red Meranti wood studied was similar to that of naturally grown, except for its fibers which were shorter and thinner than those of naturally grown. It was found that wood quality of each tree was homogenous and even. Result also shows that average values of fiber length, cell wall thickness, moisture content in green condition, wood density and SG are 968.12 µm, 2.72 µm, 104.57%, 0.81 g/cm3, and 0.50, respectively. The wood is categorized as strength class of III, therefore, this Shorea leprosula wood is potential as raw material for plywood and furniture manufacturing, as well as for the 3-rd class of structural and other purposes. The trees unfortunately have not produce the mature wood yet, and the wood produced is not suitable for the highest quality of pulp and paper manufacturing.

Lingkungan Biofisik dan Emisi Gas CO2 Lahan Gambut Untuk Produksi Biomassa yang Berkelanjutan Yudi Chadirin; Satyanto Krido Saptomo; . Rudiyanto; Kazutoshi Osawa
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Environmental biophysics of peatland has high fluctuating by time and its affected on soil CO2 emission. Therefore it is necessary to develop a system for monitoring the biophysical environment and CO2 emissions that can measure continuously to obtain accumulation annual carbon emissions more accurately. The objective of this research was to develop a monitoring system of the environmental biophysics of peatland and CO2 emissions from bare peatlands open. The system of measurement and monitoring of environmental biophysics that have been developed have been able to function properly which includes weather parameters and soil biophysical environment (temperature, soil moisture, and groundwater levels). Carbon emission was measured on an open peat land without vegetation amounting to 62.25 tonnes of CO2/ha/year. Carbon emissions have a positive relationship with soil temperature but has a negative relationship with soil moisture and rainfall.

Page 29 of 98 | Total Record : 975

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