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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.

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Articles 975 Documents

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Pengaruh Kombinasi Pemangkasan Akar dan Sumber Inokulum Ektomikoriza Terhadap Pertumbuhan Bibit Melinjo (Gnetum gnemon) Arum Sekar Wulandari; . Supriyanto; Hannum Wulan Febrianingrum
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Root pruning technique may improve new lateral growth. The purposes of this research are to analyse the combined effect of root pruning and inoculum ectomycorrizal types on the growth of gnetum seedling (Gnetum gnemon). This research using split plot design. The source of ectomycorrizhal inoculum as main plot consist of 3 types: control, infected seedling of ectomycorrhizal, and soil inoculum. The root pruning level as sub plot also consist of 3 types: 0, 30, and 50%. Observation is conducted on month 5th and 6th after treatment. The result of this research indicates that root pruning technique on 7 month seedling able to enhance melinjo seedling’s growth and increase ectomycorrhizal colonization (Scleroderma spp.) after 6 months observation. The source of inoculum was able to enhance ectomyrorrhizal colonization but had no significant to gnetum seedling’s growth on month 6th after treatment. Interaction between root pruning 30% and fungal inoculation with soil inoculum source can improve gnetum seedling growth.

Efek Senyawa Saponin pada Sapindus rarak dengan Pakan Berbasis Jerami Padi dalam Mitigasi Gas Metana Nanang Krisnawan; Asep Sudarman; Anuraga Jayanegara; Yeni Widyawati
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The objective of the research was to study saponin in Sapindus rarak were added to the diet of rice straw ammoniation (20 & 40%), related to the effect in reducing methane emissions of ruminants and pattern of rumen fermentation were tested by in vitro. Completly randomized block design with four treatments and four replications was used. Variables measured were gas production total, methane production, dray matter digestibility (DMD), N-ammonia, VFA total, VFA partial, and population of protozoa. The results showed that the addition saponins in S. rarak as a source of rice straw ammoniation significant effect (P<0.05) of the total gas production, methane production, dray matter digestibility (DMD), N-ammonia, VFA partial, and population of protozoa. S. rarak use as a source of saponins with a dose of 20% on rice straw ammoniation was able to reduce methane gas production drop in gas production total, concentration of N-ammonia, and protozoa population.

Dinamika Spasial dan Temporal Struktur Komunitas Zooplankton di Teluk Jakarta Masykhur Abdul Kadir; Ario Damar; Majariana Krisanti
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Study of spatial and temporal dynamics of zooplankton community structure in the Jakarta Bay. The purpose are analyzing the abundance, distribution, diversity, and dominance index with indicators of water quality spatial and temporal waters of Jakarta Bay. The research was conducted from July-October 2013. Sampling was done four times (July, August, September, and October). The water quality was analysed by Laboratory Productivity and Water Environment at Department of Resources Management, Faculty of Fisheries and Marine Sciences, Bogor Agricultural University. Zooplankton were analyzed using the method of enumeration (census SRC), in Micro Biology Laboratory Faculty. Based on the distribution patterns were its indicates that the landward dissolved oxygen (DO) is increasingly high, especially in August, September, and October, and increase the abundance of zooplankton as much as 1.3106 Ind/m3. DO with a high spatial concentration value reaches the range of 6.2-14.5 mg/L in Muara Marunda (Station 10), and increase the abundance of zooplankton as much as 5.1106 Ind/m3, with a majority composition of crustacea. Results of classification was diversity moderate, stable uniformity, and high dominance index.

Efektivitas Ivermectin dan Albendazole dalam Melawan Ostertagia pada Anakan Domba di Bogor, Indonesia Silvia Puspitasari; Erni Sulistiawati; Muladno Basar; Achmad Farajallah
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Giving a half-dose of an anthelmintic is a simple method for detecting resistance in parasites infesting small ruminants. When a single anthelmintic fails in native sheep from Indonesia, a combination of anthelmintics from different chemical classes with different mechanism of action is an alternative parasite-control strategy. This study compared the anthelmintic effectiveness of ivermectin (IVM) and albendazole (ABZ) have given either separately as a full-dose or half-dose or co-administered to sheep naturally infected with Ostertagia. Twelve sheep from Bogor, Indonesia were divided into six groups based on the anthelmintic treatment: half-dose IVM, full-dose IVM, half-dose ABZ, full-dose ABZ, combined (half-dose IVM + half-dose ABZ), and control groups. The treatment effectiveness was determined using the Faecal egg count reduction (FECR) on before and after 7, 14, 21, 28, 35, and 42 days of treatment. FECR of half-dose IVM, full-dose IVM, half-dose ABZ, full-dose ABZ, and both combined ranged from 78-100%, 96-100%, -71-89%, -521-64%, and 54-100%, respectively. The results showed that full-dose IVM was the most effective to against Ostertagia until 42 days and followed the combined that effective until 28 days. Half-dose and full-dose ABZ weren’t effective to against Ostertagia.

Efektivitas Penggunaan Bakteri Untuk Perbaikan Kualitas Air Media Budi Daya Udang Vaname (Litopenaeus vannamei) Super Intensif Lufisari Herdianti; Kadarwan Soewardi; Sigid Hariyadi
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Aquaculture activities in coastal area potentially produced wastes which leads water pollution. In order to reduce pollution, the use of several bacteria is very promising. This study was aimed to determine the effectivity of commercial bacterial inocculants to reduce pollution in cultured water. Bacterial inocculant tested in this study was SN®, SB®, and the combination of both inocculants for water quality improvements in white shrimp (Litopenaeus vannamei) super intensive culture media. This study was conducting in two steps, namely (i) preliminary study and (ii) primary study. The preliminary study was aimed to determine the time required to add bacteria based on the total number of bacterial colonies. The result showed that total colonies number of media treated with addition of SN® and SB® were reached maximum within 2 days. The result of primary study showed that the combination of SN® and SB® showed best effect in maintaining water quality of the culture media. This combination are proven reduces ammonia by 96%, nitrite-N by 83%, and COD by 42%.

Distribusi Horizontal Klorofil-a Fitoplankton Sebagai Indikator Tingkat Kesuburan Perairan di Teluk Meulaboh Aceh Barat Neneng Marlian; Ario Damar; Hefni Effendi
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The research on horizontal distribution clorophyll-a fitoplankton as indicator the tropic state in waters of Meulaboh Bay conducted on Mei-July 2014 in Meulaboh Bay. Sampling was done using the method of purposive sampling at 10 sites, which consist of river, mouth river, bay waters, and middle of bay to outer of bay. The purpose of this research is to analyse horizontal distribution of clorophyll-a fitoplankton as the tropic state indicator in the waters and to analyse relationship between clorphyll-a fitoplankton with nutrients availability N and P. The result showed that the horizontal distribution pattern of clorophyll-a fitoplankton dominated by the waters near to teresterial land, likes river, mouth river, and edge of bay, afterward its gradually slightly decrease in the middle of bay and lower in outer of bay. High or low of clorophyll-a was due to the influence of nutirent load N and P in the waters of Meulaboh Bay. The tropic states based on abundance clorophyll-a fitoplankton was categorised in the mesotrofic condition.

Karakteristik Proksimat dan Organoleptik Ubi Jalar Merah (Ipomea batatas (L.) Lam.) Pada Berbagai Proses Pemasakan Dwi Febriantini; Ade Heri Mulyati; Diana Widiastuti
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Sweet potato (Ipomea batatas (L.) Lam.) is one of functional foods that can maintain and improve human health. Due to the very hard texture of red sweet potato, it cannot be consumed directly. Therefore, it requires various cooking methods in order to be more suitable for consumption. This study aimed at determining effects of various cooking methods on the proximate and sensory properties of red sweet potato. The research covers various cooking methods of red sweet potato through boiling, frying, baking, steaming, and one treatment without cooking process (fresh) which was used as a control. The results show that various cooking methods affect almost all testing parameters significantly, except for ash content. Baked red sweet potato has the lowest moisture content (38,75%) and the highest sugar value as sucrose (17,17%). Sensory properties test results show that the most preferred red sweet potato is fried red sweet potato.

Pengaruh Fermentasi Bakteri Asam Laktat Lactobacillus plantarum B307 Terhadap Kadar Proksimat dan Amilografi Tepung Taka Modifikasi (Tacca leontopetaloides) Raden Haryo Bimo Setiarto; Nunuk Widhyastuti
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Tacca (Tacca leontopetaloides) is plant that grows in coastal areas and high salinity, especially in the south coast of West Java. Tacca tubers have high content of carbohydrate, but it also contains some toxic compounds such as: taccaline, β – sitosterol, alcohol cerylic, and steroid sapogenin that are harmful for health. Fermentation on tacca tubers can change amylograph properties and proximate levels of modified tacca flour and reduce it toxic compounds. This study aimed at determining the effects of lactic acid bacteria (LAB) Lactobacillus plantarum B307 fermentation on the proximate levels and amylograph characteristics of modified tacca flour. Moisture and ash content of modified tacca flour still meet the requirements of SNI. Fermentation LAB Lactobacillus plantarum B307 led to increased levels of protein and lactic acid in the modified tacca flour, but it decreased pH value and carbohydrate content. Based on the analysis of amylograph, it can be concluded that tacca flour control without fermentation has the best gelatinization profile because it has good ability of setback viscosity.

Struktur Anatomi dan Kualitas Serat Kayu dan Akar Gantung Beringin (Ficus benjamina Linn.) . Krisdianto; Jamal Balfas
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Beringin (Ficus benjamina Linn.) is one of typical fast growing tree species which are commonly found in Indonesia. The trees grow with hanging roots which grow larger and often can merged with the main stem, then its timber is not optimally utilized. This paper studies the anatomical structure and fiber quality of main stem and large, medium, and small diameter of hanging roots of beringin (Ficus benjamina Linn.) tree. Anatomical structure was observed macroscopically and microscopically, while fiber dimensions were measured from macerated samples. The results show that the anatomical structure pattern of the roots is similar with those of main stem, however the quantity and dimension of anatomical components of hanging roots are smaller and shorter than components of main stem. Likewise, the fiber dimensions of roots are shorter and thinner than those taken from the main stem. Based on fiber dimensions and its derivative value, beringin wood fibers are classified into class quality II for pulp and paper. The creamy white color with white streaky figure of beringin wood from main stem is recommended for indoor decoration products such as wooden venetian blind, while the small roots are recommended for strap or webbing material crafts.

Metarhizium anisopliae dan Andrographis paniculata Terhadap Serangga Bukan Hama Sasaran Dini Yuliani
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The objective of this study was to determine the effect of Metarhizium anisopliae and Andrographis paniculata to the natural enemies of Nephotettix virescens and non-target insect pests. This research was conducted in tungro endemic areas in Subang District, West Java in the wet season 2013/2014. The method of research used a split plot design with four replications. The main plot was IR66, Inpari 9, and Ciherang varieties. Subplot was the application of M. anisopliae, A. paniculata, and control. Observations were carried out five times started at nursery (2 weeks after seedling), 14, 28, 42, and 56 days after planting using insect nets, double swing 10 times on each plot observations. The results show M. anisopliae and A. paniculata not adversely affect on non-target insect pests such as Chironomid and natural enemies of N. virescens namely Lycosa pseudoannulata, Cyrtorhinus lividipennis, Sepedon sp., damselfly, Tipulidae sp., Telenomus sp., dragonfly, and Tetrastichus sp.. Efficacy of M. anisopliae and A. paniculata as one of the control strategies that are environmentally friendly and proved not harmful to non-target insect pests.

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