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Jurnal Ilmu Pertanian Indonesia

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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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Taksasi Kehilangan Hasil oleh Penyakit Kerdil pada Kentang di Jawa Tengah Sofranita Syifa Fitriyati; Kikin Hamzah Mutaqin; Tri Asmira Damayanti
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Potato is one of economically important crops in Indonesia. However, its production fluctuates since there are some factors affecting the yield. Recently, we found dwarf disease at potato central production area in Wonosobo and Banjarnegara Regencies in Central Java. So far, there is no information related to the yield loss caused by the dwarf disease on potato. Therefore, the research aimed to estimate the yield loss caused by the dwarf disease on potato in Central Java. The yield loss estimation was determined on some potato cultivations with different disease severities. The disease intensity was observed for five times with interval two weeks on six plots. The quantity and quality of potato yields, and selling price was calculated at the end of the observation and the correlation between the severity of disease and AUDPC (Area under disease progress curve) with yield loss was determined by regression and correlation analysis. The dwarf disease reduced plant height, individual and total tuber weight without affecting the number of tuber yield. The different of disease intensities in some area affected to the percentage of yield loss. The yield loss caused by dwarf diseases on individual potato plants up to 64.42%. Yield loss estimation caused by the dwarf disease in fields with different level of disease intensities ranged from 10.35-26.43%. Regression analysis between disease severities and yield losses showed the R square value at the level of 88.6% and a correlation at the level of 94.14%. These results indicated that the correlation between the severity of dwarf disease and yield loss is high. Keywords: disease severity, potato yield, selling price, tuber quality

Polimorfisme g.-371T>A Promotor Gen Miostatin pada Sapi Pedaging Indonesia Sutikno Sutikno; Rudy Priyanto; Cece Sumantri; Jakaria Jakaria
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Myostatin (MSTN) gene acts as a negative regulator of muscle growth. The aim of the present study was to identify polymorphism of g.-371T>A in promoter region of MSTN gene in Indonesian beef cattle. Blood samples were collected from 191 cattle, including Bali (BL) (42), Madura (MD) (20), Pesisir (PI) (17), Katingan (KT) (16), Ongole grade (PO) (22), Pasundan (PD) (14), Sumba ongole (SO) (10), Brahman (BH) (17), Simmental (SM) (15), and Limousin (LM) (18). Polymorphism of MSTN gene was analyzed using PCR-RFLP (DraI) and direct sequencing methods. Results of genotyping g-371T>A were polymorphic (TT, TA, and AA genotypes) in Simmental, SO, and Katingan. The frequencies of alleles T and A were 0.83; 0.90; 0.97 and 0.17; 0.10; 0.03 respectively. The values of Ho and He were 0.06–0.20 and 0.06–0.28, respectively. The results of this study are in Hardy-Weinberg equilibrium (P> 0.05). Whereas in PD, MD, PI, PO, BH, LM, and BL were monomorphic (TT genotype). The result of sequencing the promoter region of MSTN gene found that mutations transversion was occurred in T to A at g.-371. It was concluded that g.-371T>A of MSTN gene was polymorphic which was potential to be used as genetic markers of muscle growth in SM, SO, and KT cattle. Keywords: SNP g.-371T>A of MSTN gene, Sumba ongole cattle, Katingan cattle, Simmental cattle

Penentuan Wilayah Basis untuk Pengembangan Usaha Perikanan Tangkap Ramah Lingkungan di Perairan Pulau Salahnama dan Pulau Pandang Mustaruddin Mustaruddin; Asnil Asnil
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Approximately 34.1% of marine fish production in Tanjung Tiram, Batubara Regency comes from the waters of Salahnama Island and Pandang Island. The development of fishing effort in environmentally-friendly ways in the appropriate locations can guarantee the continuity of fish production and to provide a space for the development of the other management activities. The study aims to analyze the type of environmentally-friendly fishing effort and determine the location quotient for their developments in the waters of Salahnama Island and Pandang Island. The methods used were descriptive method, scoring analysis, and analysis of location quotient (LQ). The results showed that fish traps, hook and line, gillnet, and falling net were selected as environmentally-friendly fishing efforts. The location quotients for their developments are a) Fish traps in the east waters and north of Salahnama Island; b) Hook and line in the east waters of Salahnama Island and the north waters of Pandang Island; c) Gillnet in the east waters and north of Salahnama Island and the east waters of Pandang Island; and d) Falling net in the west waters of Salahnama Island and Pandang Island. The location quotient for development to their supporters are a) Port in the south area of Salahnama Island and the west area of Pandang Island and b) Fuel installation in the west area of Salahnama Island and Pandang Island. Keywords: batubara, fishing effort, location quotient, environmentally-friendly

Pemberian Insektisida Alami dari Ekstrak Nanoemulsi Daun Ketumpang (Tridax procumbens L.) untuk Pengendalian Perilaku dan Kematian Ulat Krop (Crocidolomia pavonana F.) padaTanaman Sawi Safrida Safrida; Noor Aisah Riski Wulandari; Supriatno Supriatno
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Ketumpang (Tridax procumbens L.) contains bioactive compounds that can be used as natural insecticides. To reduce particle size, the extracts were prepared using nanoemulsion techniques. This study aims to determine the effect of nanoemulsion of intercropping leaf extract on behavior and mortality of crop caterpillars on mustard plants. This study used an experimental method with a completely randomized design (CRD) consisting of seven treatments and four replications. The treatments consisted of, K- = Administration of nanoemulsion extract at a concentration of 0% (K-), P1 = Administration of nanoemulsion extract at a concentration of 5%, P2 = Administration of nanoemulsion extract at a concentration of 10%, P3 = Administration of nanoemulsion extract at a concentration of 15 %, P4 = Administration of nanoemulsion extract at a concentration of 20%, P5 = Administration of nanoemulsion extract at a concentration of 25%, and K + = Administration of the chemical insecticide deltamethrin at a concentration of 0.04% as a positive control. Data were analyzed using descriptive and analysis of variance, as well as further tests at α=0.05. The results showed that administration of nanoemulsion ketumpang leaf (Tridax procumbens L.) extract caused behavioral changes (eating, resting, and moving) of caterpillar crop which became inactive and increased mortality of crop caterpillar. Nanoemulsion extracts of overlap leaves could be used to control crop caterpillars. Keywords: crop caterpillars, ketumpang leaf, mustard, nanonemulsion

Pengaruh Ukuran Partikel Jagung dan Diameter Die Ransum Bentuk Pelet pada Kualitas Fisik dan Performa Tikus Putih (Rattus norvegicus) Heri Ahmad Sukria; Heru Nugraha; Anuraga Jayanegara
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

This study was conducted to evaluate physical properties and nutritive values of white rats (Rattus norvegicus) diets using different screen sizes of ground corn and different die sizes of the pellet. The experiment was divided into two trials. The first experiment aimed to find the effect of different particles of corn and die sizes of pellet on the physical properties and quality of white rat diet. The experiment consisted of 4 treatments and 4 replications namely, P1 (screen 3 mm and die 4 mm), P2 (screen 3 mm and die 16 mm), P3 (screen 5 mm and die 4 mm), and P4 (screen 5 mm and die 16 mm). The parameters measured were Pellet Durability Index (PDI), Specific density, Loose Bulk Density, and compacted Bulk Density of the pelleted diet. The second experiment was feeding trial to measure the performance of the white rats fed the pelleted diets. A total number of 20 white rats were used and divided into four treatments of the first experiment and replicated 5 times. The parameter measured were feed intake, final body weight, as well as the digestibility of dry matter and organic matter. Result of the experiments showed that the pellet durability index was significantly affected by the particle size of corn and the diameter of the pellet (P<0.01). In the feeding trial, the rats fed pelleted with the die of 16 mm resulted the highest feed intake (P<0.05). The P1 diet resulted the best physical pellet quality whereas P2 resulted the best performance of the experimental rats fed the pelleted diet. It can be concluded that to produce the best pelleted diet of rat, the ingredients should be ground with 3 mm screen size and the pellet was produced with the die diameter of 16 mm. Keywords: die diameter, particle size, pellet durability index, pellet physical quality, white rats

Penerapan Teknik Elektrokoagulasi dalam Pengurangan Bahan Organik Air Limbah Kegiatan Perikanan Fitri Afina Radityani; Sigid Hariyadi; Suprihatin Suprihatin; Dede Heri Yuli Yanto; Sita Heris Anita
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Electrocoagulation is one of physical techniques in waste-water treatment that applicable for organic waste from aquaculture. This research aims to determining the effectivity of electro-coagulation technique with different electrical voltages and duration consumed in waste-water treatment. The treatments used two electrical voltage levels (6 dan 12V) and four different durations of time consumed (15, 30, 45, and 60 minutes). The result showed the changes of water quality. Decreasing values shown by Chemical Oxygen Demand (COD) at the voltage of 12V and duration of 60’ (in about 82,89%); orthophosphate at the voltage of 12V and duration of 45’ (67.49%); turbidity at the voltage of 12V and duration of 60’ (69.65%); color at the voltage of 12V and duration of 60’ (70.49%); Total Suspended Solid (TSS) at the voltage of 12V and duration of 15’ (31.90%); and Total Dissolved Solid (TDS) at the voltafe of 12V and duration of 60’ (10.31%). Furthermore, increasing values were found in parameters of free ammonia at the voltage of 12V and duration of 15’ (291.09%); ammonium at the viltyage of 12V and duration of 30’ (8.85%); and pH at the voltage of 6V and duration of 60’ (16%). The best treatment in improving water quality of treated organic waste from aquaculture was the voltage of 12V for 30 minutes. Keywords: electro-coagulation, organic materials, water quality, waste-water treatment

Phytochemical Contents of Torbangun (Coleus amboinicus Lour) from Fractionation of Pressurized Liquid Extraction Farida Laila; Dedi Fardiaz; Nancy Dewi Yuliana; Muhammad Rizal Martua Damanik; Fitriya Nur Anissa Dewi
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Coleus amboinicus (Lour) (torbangun) has been used traditionally as a breast milk stimulant, flavoring agent in many cuisines, and reported to possess many pharmacological values. The aim of this study was to explore the utility of the Pressurized Liquid Extraction (PLE) technique to identify the phytochemical contents of torbangun. In this study, total phenolic content and flavonoid in torbangun were determined using spectrophotometric method. The GC-MS analysis was used to identify the chemical constituents of torbangun, which was sequentially extracted with a wide range of solvent or solvent mixture from nonpolar-moderately polar and finally polar solvent. Total phenolic and flavonoid contents in the methanol extract of torbangun were 42.17±2.96 mg GAE/g and 11.20±0.58 mg QE/g, respectively. The identified chemical constituents in torbangun were sugar, hydrocarbon, ketone, terpenes, phenolics, fatty acid, fatty alcohol, steroids, alkaloids, and others, whereas the dominant constituents were phenolic compound, alkane, and sugar. In conclusion, this study demonstrated the effectiveness and rapid extraction of the PLE technique. Many valuable compounds in torbangun were extracted using gradual composition of solvent and were able to identify certain compounds in different polarities of solvents that are important in functional food preparation, pharmaceutical, and metabolomics research. Keywords: bioactive, extract, nontoxic, plant, solvent

Ketergantungan Tiga Jenis Tanaman Kehutanan terhadap Mikoriza pada Media Tanah Bekas Tambang Pasir Silika Putri Aurum; Sri Wilarso Budi; Prijanto Pamoengkas
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

One effort to support the success of reclamation and rehabilitation of ex-silica sand mines is to improve the quality of seedling planted with mycorrhizal inoculation. Each plant has a mycorrhizal dependency which varies depending on the plant species and the level of soil fertility. This study aimed to analyze the mycorrhizal dependency of Kadam (Anthocephalus cadamba), Red Sengon (Albizia chinensis), and Kaliandra (Calliandra calothyrsus) grown on soil growing media from post silica sand mining and amended with compost and lime. The study used completely randomized design with a split plot design consist of two factors, first factor was mycorrhizal inoculation in the form of MycoSilvi inoculum, consisting of two levels and the second factor was soil ameliorant in the form of lime and compost consisting of six levels, each treatment was repeated five times. The results showed that the treatment of lime and MycoSilvi addition showed the highest percentage of mycorrhizal dependency on Kadam, Red Sengon and Kaliandra seedlings, which were 76, 62, and 59% respectively. The addition of lime and compost decreased the degree of relative mycorrhizal dependency of three plants species tested, in line with increasing available P in soil growth medium. Keywords: mycorrhizal dependency, MycoSilvi, post mined soil, soil ameliorant

Peningkatan Pembungaan dan Hasil Biji Bawang Merah Varietas Bima melalui Vernalisasi dan Aplikasi GA3 Dian Fahrianty; Roedhy Poerwanto; Winarso Drajad Widodo; Endah Retno Palupi
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The low production of true seed of shallot (TSS) is mostly caused by a low flowering rate. The research was aimed to increase the flowering rate and seed yield in lowland (240 masl) and highlands (1250 masl) by vernalization and submersion of the seed bulbs in GA3 before planting. The research was arranged in a completely randomized block design with 2 factors and replicated four times. The first factor was vernalization, i.e. without and with vernalization at 10±2°C for 30 days, and the second factor was the submersion of the seed bulbs following vernalization in GA3 at the concentrations of 0, 100, and 200 ppm for 1 h. Parameters measured were time of 50% flowering (days after planting), percentage of flowering plants, number of umbel per plant, number of floret per umbel, fruitset, seed weight per umbel and per plant, as well as the percentage of seed germination. The result suggested that when production of TSS of var. Bima is to be carried out in the lowland then the seed bulbs had to be vernalized at 10±2°C for 30 days which will increase the flowering percentage and seed yield. If the production of TSS is to be carried out in the highland then vernalization at 10±2°C for 30 days will increase the flowering percentage and seed yield. However, if for any reason vernalization is impossible to proceed then the submersion of the seed bulbs in 100 ppm GA3 for 1 h was sufficient to increase the flowering percentage and seed yield. The produced seeds (TSS) either in the low as well as in the highlands had high germination percentages. Keywords: germination, highland, lowland, umbel, true seed of shallot

Studi Pengembangan Jagung Berkelanjutan melalui Integrasi dengan Sapi di Tuban, Jawa Timur Suwarto Suwarto; Iwan Prihantoro
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Biji-bijian dan daging adalah dua komoditas penting di Indonesia. Jawa Timur adalah sentra produksi utama kedua komoditas tersebut sehingga perlu diusahakan keberlanjutannya. Permasalahan dalam produksi jagung adalah peningkatan harga input pupuk anorganik dan keterbatasan ketersediaan bahan tersebut. Permasalahan produksi ternak adalah keterbatasan pakan. Biomas batang, daun, kelobot, dan tongkol sebagai produk samping jagung dapat digunakan menjadi pakan ternak. Sebaliknya, kotoran sapi dapat digunakan sebagai sumber pupuk. Integrasi kedua sistem ini menjadi peluang untuk keberlanjutan produksi. Studi ini dilakukan untuk mengetahui keberlanjutan produksi jagung dan sapi di Tuban, Jawa Timur melalui penentuan skala dan tingkat keterpaduan integrasi. Survei terhadap 23 orang petani anggota Kelompok Tani Makaryo, Desa Waleran, Kecamatan Grabagan dilakukan untuk mengetahui pengusahaan jagung dan sapi. Untuk mengetahui efisiensi pemupukan, di lahan kelompok tani dilakukan penelitian dengan menggunakan empat dosis urea, yaitu 0, 100, 200, dan 300 kg/ha, dengan pupuk dasar 300 kg NPK Phonska dan 10 ton pupuk kandang. Skala integrasi yang dapat dilaksanakan oleh satu rumah tangga petani adalah 1 ha jagung dengan 2 ekor sapi dengan tingkat keterpaduan ekologis 1,1; ternak sapi memasok pupuk kandang untuk 1,1 ha kebun jagung. Penggunaan urea sebanyak 200 kg menghasilkan biji sebanyak 6.890 kg dan penerimaan tertinggi sebesar Rp21.288.000. Urea dihemat 100 kg ha-1 atau 9.651 ton untuk luas tanaman jagung 96.505 ha/tahun di Tuban. Secara ekonomis, integrasi peternakan sapi dengan kebun jagung dapat menghemat input luar sebanyak Rp230.000/ha atau Rp20.651 miliar/tahun. Pertanian jagung yang terintegrasi dengan sapi dapat mewujudkan pertanian berkelanjutan bermasukan luar rendah. Kata kunci: bermasukan luar rendah, biomas, integrasi, pakan, pupuk kandang

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