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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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Respons Agronomi Tiga Varietas Ubi Kayu pada Berbagai Tingkat Kadar Air Tanah . Suwarto; Eko Sulistyono; Giansar Prastowo
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Cassava has been cultivated in almost the all region of Indonesia as a raw material of food, feed, and industries. The productivity of cassava was varied among the region due to the variation of varieties used and growth environment, especially rainfall or water availability. Water deficit or drought stress will decrease the growth and yield of cassava. Selecting tolerant variety to drought will be important to get high productivity. An experimental pot in the greenhouse has been conducted to know the growth and yield response to drought. Three varieties of cassava i.e Adira-1, Gajah, and Mangu were planted in the pot at three level of soil moisture content (SMC) 40-60, 60-80, and 80-100% of field capacity (FC). The cassava growth traits were influenced by SMC starting at 6 weeks after planting (WAP) for a number of leaves, at 8 WAP for stem girth, at 10 WAP for plant height, at 14 WAP for lobus width, and 15 WAP for lobus length. Root, stem, and leaves dry weight in the SMC of 40-60% FC were 64.4; 43.98, and 31.19% of the dry weight in 80-00% FC. Roots yield in the soil moisture content of 40-60% FC decreased by 76.2% and in the SMC of 40-60%, FC decreased by 38.4% compared to in the SMC of 80-100% FC. The water use efficiency and roots yield of Gajah variety were highest.

Evaluasi Ketahanan Galur International Rice Bacterial Blight terhadap Hawar Daun Bakteri dan Identifikasi Patotipe Xanthomonas oryzae pv. oryzae Provinsi Jawa Tengah Berdasarkan Galur IRBB Dini Yuliani; Wage Ratna Rohaeni; . Sudir
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is the major disease in rice plants causing considerable economic losses. The objective of the study was to evaluate the resistant International Rice Bacterial Blight (IRBB) lines against bacterial leaf blight and the identification of Xoo pathotype from Central Java Province as the basis recommendation of the resistant varieties assembly with the background of resistant genes to overcome BLB disease. The evaluation of Xoo isolates from 22 districts in Central Java Province on IRBB lines was conducted in the rainy season 2016-2017 using split plot with three replications. The main plot was 15 IRBB lines, while the subplot was 110 Xoo isolates. Among 15 lines of IRBB, there were 10 lines have functioned as pathotype examiner of Xoo. The results obtained 6 lines were reacted resistant, namely IRBB5, IRBB7, IRBB8, IRBB57, IRBB64, and IRBB66. The IRBB66 line can be used as a resistant elder for the assembly of BLB resistant varieties because it has a combination of pyramiding resistant genes that were effective against BLB in some areas of Central Java Province. Pathotype IX was only found and dominant in Pemalang. Pathotype X was obtained in six districts of Tegal, Brebes, Banjarnegara, Purbalingga, Purworejo, and Grobogan. Pathotype XII was the most dominant prototype in 15 districts. Assembling of resistant varieties with resistant gene backgrounds based on the existence of a specific Xoo pathotype in the field can reduce the severity of BLB disease.

Penghambatan Respons Etilen pada Mawar Potong Melalui Modifikasi Larutan Perendam, 1-MCP, dan Sitokinin Syariful Mubarok; . Nursuhud; Erni Suminar; Venny Revia Viola
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Roses (Rosa hybrida Hort.) are the popular flowering plants in Indonesia, however, some problems on postharvest cut roses are faced, such as short of flower longevities. The freshness or longevity of cut flowers can be maintained for a longer time by using vase solution, inhibition of ethylene responses ie with the use of 1-Methylcyclopropene (1-MCP) and cytokinin. The objective of this study is to determine the effect of 1-MCP and cytokinin combined with in a vase solution on the flower longevity dan quality of cut roses. The experiment was conducted using a Completely Randomized Design consisting of nine treatments, cinsisting of: control; combination of sucrose + NaOCl + cytokines (1% + 0.01% + 20 ppm; 2% + 0.01% + 20 ppm; 1% + 0.05% + 20 ppm; and 2% + 0.05% + 20 ppm) and combination of sucrose + NaOCl + cytokinin (1% + 0.01% + 1 ppm; 2% + 0.01% + 1 ppm; 1% + 0.05% + 1 ppm; and 2% + 0.05% + 1 ppm). The results showed that the composition of 1% sucrose + 0.05% NaCl + cytokinin solution 20 ppm gave the best results in maintaining the angle of petals, reducing the increase of flower diameters, retaining flower petal colors, and making flower longevities up to 11.56 days.

Potensi Cadangan Karbon Hutan Nabundong KPH Wilayah VI Sumatera Utara Yustika Fadilah Siregar; Basuki Wasis; Iwan Hilwan
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Tropical forest plays a major role in global carbon (C) cycle, about 50% of the total carbon is stored in biomass and 50% is stored in the top 1 m of the soil. Research on the potential for carbon stock was conducted in Nabundong forest in Padang Lawas Utara District. It was managed by the FMU (Forest Management Unit) region VI North Sumatra. This research aims to identify forest structure, estimate above ground biomass using allometric equations, and determine the carbon stock potential of Nabundong forest. The results showed that stratum I (212.68 tonC/ha) had higher carbon stock than stratum II (151.78 tonC/ha).

Produksi dan Kualitas Beras Dua Varietas Padi Akibat Rebah dan Terendam . Dulbari; Edi Santosa; Eko Sulistyono; Herdhata Agusta; Dwi Guntoro; Sofyan Zaman; Yonny Koesmaryono
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Rice lodging followed by flooding has negatively detriment on the production, however, scientific evident is still rare. As the incident tends to escalate as the impact of extreme weather, hence, research was conducted in order to evaluate rice production and its quality of two rice genotypes treated with lodging-flooding. The experiment was conducted at Leuwikopo Farm IPB Bogor in July-October 2016 using randomized complete block design using two factors, i.e., variety (Way Seputih and Way Apo Buru) and lodging (no lodged [bending 0-18°], lodged [lodged 38-56°], and lodged with flooded [lodged 76-90°]). Rice hill aged 85 days after transplanting was lodged for 15 days. Results showed that lodged with flooded treatment did not increase yield loss although the plant tended to have sterility 5.59-22.00% higher, grain weight 2.05-35.26% lower, and 0.88-10.66% lower value of rice to unhusked ratio. Grains from the lodged-flooded plant had a number of head rice 13.38-15.78% lower, broken rice 0-24.84% higher, and stimulated germination on 1.33-3.40% grains than lodged-without-flooded. It is important to use rice varieties with stable on milling quality to address the lodged-flooded incident.

Induksi Kalus secara In Vitro dari Daun Cengkeh (Syizigium aromaticum L.) dalam Media dengan Berbagai Konsentrasi Auksin Yulianti Rasud; Bustaman Bustaman
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Clove is an important commodity in Indonesia and it is used as a main material for cigarettes. Clove propagation can be conducted by generative method, but this method takes a long time to produce a considerable number of seedlings. To overcome such problem, it can be applied a tissue culture technique. An effort has been conducted to induce calli from sliced clove leaves and performed at Plant Biotechnology Laboratory, Faculty of Agriculture, Tadulako University from June-November 2016. The aim of this experiment was to determine the most suitable type and concentration of auxins for callus induction of sliced clove leaves via in vitro culture. This experiment used a Completely Randomized Design with six treatments, namely 0.25 ppm 2.4-D; 0.50 ppm 2.4-D; 0.75 ppm 2.4-D; 0.25 ppm NAA; 0.50 ppm NAA; and 0.75 ppm NAA. Parameters observed consisted of the speed or time of appearance, the percentage, color, and texture of calli. Data were analyzed by using analysis of variance and differences between mean treatments were determined by Duncan Multiple Range Test at 5% level. The results of this experiment indicated that the type and concentration of auxin most suitable for callus induction of sliced clove leaves was culture medium supplemented with 0.75 ppm 2.4-D. In such medium composition, it was obtained the quickest callus formation, namely average 4.22 WAC with the percentage of callus formation was up to 100%. In general, the colors of calli were white, yellowish white, and brown; with the textures of formed calli were soft, compact, and intermediat. Keywords: callus formation, clove, growth hormone, tissue culture

Pengaturan Arsitektur Tanaman untuk Menyeimbangkan Sink dan Source serta Meningkatkan Pertumbuhan dan Hasil Kacang Koro Pedang Abdullah Sarijan; Memen Surahman; Asep Setiawan; Giyanto Giyanto
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The research to improve the growth, production, and seed quality of Jack Bean (Canavalia ensiformis L.) through pruning, which was carried out from May to October 2016 in Purwasari Village, Dramaga, Bogor Regency and continued by seed testing at the Seed Testing Laboratory, Bogor Agricultural University in December 2016. The research was designed in a randomized block design (RBD) with eight treatment of stem and branch pruning and one treatment without pruning as a control, i.e. without pruning of branches and stems (P1), pruning on the 10th stem nodes (P2 ), pruning on the 11th stem nodes (P3), pruning on the 5th branch nodes (P4), pruning on the five branch nodes and the 10th stem nodes (P5), pruning on the 5th branch nodes and stem nodes to -11 (P6), pruning on the 6th branch nodes (P7), pruning on the 6th branch nodes and 10th stem nodes (P8), and pruning on the 6th branch nodes and 11th stem nodes (P9). The results showed that pruning affected some of the results of the study, but was not able to increase the production of Jack Bean. Pruning treatment on the 5th branch nodes and 10th stem nodes (P5) produced the highest seed production (3.4 tons ha-1), the physical quality of the seeds produced was classified as moderate with a weight of 1000 seeds between 1273.3-1291.7 g. The physiological quality of the seed is moderate with maximum growth potential 84.0-90.7%, germination percentage 73.3-82.7%, germination speed 9.1-116.1% / etmal, germination uniformity 40.0-49 , 3% and vigor index of 14.0-20.0%. Keywords: germination rate, inflorescence, oas bakol, pod

Penyebaran Virus Utama Tebu di Lampung dan Sulawesi Selatan Dwi Subekti; Sri Hendrastuti Hidayat; Tri Asmira Damayanti; Purwono Purwono
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

One effort to increase domestic sugar production is through the extension of sugarcane growing area outside Java island. The status of sugarcane disease outside Java, particularly those caused by virus(es), has not been evaluated yet; where virus diseases are able to decrease sugarcane productivity. Therefore, the aim of this research was to identify the sugarcane major viruses and their distributions in Lampung and South Sulawesi. Field survey and leaf sampling was collected from Lampung Tengah District, in Lampung Province and three districts in South Sulawesi Province i.e., Bone, Gowa, and Takalar. Virus detection was performed by reverse transcription-polymerase chain reaction (RT-PCR) method using specific primers for Sugarcane mosaic virus (SCMV), Sugarcane streak mosaic virus (SCSMV), and Sugarcane yellow leaf virus (SCYLV). Results indicated that symptoms variation was observed in the field. The highest disease incidence and severity was found in Lampung, i.e. 100% and 61.67-71.67%, respectively; whereas the lowest disease incidence and severity was found in Takalar, i.e. 5-70% and 5-45%, respectively. The disease incidence and severity of viral diseases tend to be low in dry and low rain fall conditions. This information might be helpful for the extensification program of sugarcane development in supporting the sugar self-sufficiency program. Keywords: disease incidence, disease severity, reverse transcription-polymerase chain reaction, sugar self-sufficiency

Pengaruh Lingkungan dan Nilai Ripitabilitas pada Kualitas Semen Sapi Peranakan Ongole Jantan Gunawan Sitanggang
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 2 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The aims of this study were to analyze the effect of environmental factors (age of bull, season of collection and frequency of ejaculation) and estimate the repeatability on semen quality of ongole grade bulls. Semen data were collected from Singosari National Artificial Insemination Centre, in Malang District, East Java Province, Indonesia. A total of 1.020 ejaculates collected from three Ongole grade cattle from 2012-2016 were analyzed. Data were analyzed by restricted maximum likelihood (REML) method using the mixed model including the random effect of bull and the fixed effects of age of bull, season of collection, and ejaculate number. The results showed that age of bull and ejaculate number significantly affected all studied variables (P<0.01). Season only affected to sperm motility (P<0.01). Repeatability estimates of semen volume, sperm concentration, total number of sperm and sperm motility were 0.48; 0.42; 0.28; and 0.01, respectively. It was concluded that the age of the bull and frequency of ejaculation significantly affected semen quality of Ongole grade cattle. Repeatabilities for semen quality were low, moderate and high.

Analisis Pengaruh Variasi Jumlah Lapisan Biji pada Akurasi Prediksi Kandungan Minor Biji Kopi Arabika Hijau Bondowoso dengan NIR Spectroscopy Sri Citra Yuliana Madi; I Wayan Budiastra; Yohanes Aris Purwanto; Sukrisno Widyotomo
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 2 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Void space in the bean layers will lead to the occurrence of non-fully interacted radiation (NFIR) affecting the reproducibility of NIRS measurements. Void space in addition to being affected by particle size is also influenced by the number/thickness of the bean layers. The objective of this study was to analyze the effect of number of bean layer variation on prediction accuracy of caffeine, chlorogenic acid and trigonelline in Bondowoso green Arabica coffee beans by NIR Spectroscopy (NIRS). The study was conducted using three kind of layers, i.e. 3, 4, and 5 layers, with 100 samples each. Samples were measured by FT-NIR spectrometer in wavelength of 1.000-2.500 nm. The pretreatment method used were second derivative (dg2), the combination of first derivative (dg1) and Multiplicative Scatter Correction (MSC), and the combination of dg2 and MSC, while calibration method used was Partial Least Square (PLS). The results shows that the accuracy of 5 layers was better than 3 or 4 layers. The best calibration and validation for caffeine was obtained by dg2 pretreatment and 6 factors of PLS (r = 0.99; SEC = 0.01%; SEP = 0.01%; and RPD = 5.40), for chlorogenic acid was by dg2 pretreatment and 5 factors of PLS (r = 0.99; SEC = 0.09%; SEP = 0.09%; and RPD = 4.76), whereas for trigonelline was by combination of (dg2, MSC) and 5 factors of PLS (r = 0.99; SEC = 0.01%; SEP = 0.01%; and RPD = 4.86). Therefore, the 5 layers can be used as a reference in NIRS measurement of coffee beans.

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