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Informatika Pertanian
ISSN : 08521743     EISSN : 25409875
Informatika Pertanian terbit 2 (dua) kali dalam setahun yaitu pada bulan Juni dan Desember, terbit sejak tahun 1991. Jurnal Informatika Pertanian telah terakreditasi oleh Direktorat Jenderal Penguatan Riset dan Pengembangan, kementerian Riset, Teknologi dan Pendidikan Tinggi Republik Indonesia dengan nomor Akreditasi No. 21/E/KPT/2018, Tanggal 9 Juli 2018. Jurnal Informatika Pertanian telah memiliki ISSN: 0852-1743, e-ISSN: 2540-9875. Jurnal Informatika Pertanian dikelola oleh Sekretariat Badan Penelitian dan Pengembangan Pertanian yang beralamat Jl. Ragunan No. 29 Jakarta Selatan, Jakarta, Indonesia 12540
Articles
113
Articles
ANALISIS RAGAM GENETIK, HERITABILITAS, DAN SIDIK LINTAS KARAKTER AGRONOMIK JAGUNG HIBRIDA SILANG TUNGGAL

Priyanto, Slamet Bambang ( Balai Peneltian Tanaman Serealia ) , Azrai, Muhammad ( Balai Peneltian Tanaman Serealia ) , Syakir, Muhammad ( Badan Penelitian dan Pengembangan Pertanian )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

The success of selection in plant breeding program is determined by genetic variabiliities, heritability values and the correlation between agronomic characters and yield. The study aims to determine the genetic variability, heritability and the effec of agronomic characters to grain yield. The experiment was conducted in February to May 2016 in Grobogan, Central Java. The experiment consists of twelve genotypes of maize hybrids, arranged in a randomized block design with three replications. The characters observed were plant height, ear height, number of harvested ear, shelling percentage, moisture content of grain harvested, weight of 100 grains, ear length, ear diameter, number of rows per ear, number of seeds per row per ear, and grain yields. The results showed that the genetic variability of agronomic characters was broad, except ear diameter. Almost all of the heritability values of yield components were high, except harvested ear weight and ear diameter. The characters of plant height, ear height and as the genotypic gave high of a direct effect on the yield higher, while direct effect of the phenotypic character of ear hairves on grain yield are higher.

GENE IDENTIFICATION AT THE INSERTION SITE OF A HIGH SALINITY TOLERANT INSERTIONAL MUTANT RICE LINE

Zannati, Anky ( Pusat Penelitian Bioteknologi LIPI cibinong ) , Widyastuti, Utut ( Department of Biology Faculty of Mathematics and Natural Sciences - Bogor Agricultural University (IPB) ) , Nugroho, Satya ( Pusat Penelitian Bioteknologi LIPI cibinong )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

High salinity is one of the major abiotic stresses affecting rice production. Previously, we have identified transposonDs insertional mutant rice lines cv Nipponbare showing improved tolerant under salinity stress The objective of thisresearch was to determine the Ds insertion site in chromosomal DNA from one of the salt tolerant mutant line (170-10) and identify the genes in the proximity. A specific amplicon around 450bp from the mutant rice line 170-10 wassuccessfully isolated with TAIL PCR technique using the degenerate and a specific Ds primers. Bioinformatics analysesfound that the insertion was located in a putative CDS designated as Os11g0686500 in chromosome 11 at the 2nd exon.Two putative CDS’s within the proximity of the Ds insertion site downstream and upstream the insertion sites were alsoidentified.

PENGENDALIAN KOEFISIEN REGRESI LEAST ABSOLUTE DEVIATION PADA RENTANG BERMAKNA MENGGUNAKAN PROGRAM LINIER

Setyono, Setyono ( Universitas Djuanda Bogor ) , Soleh, Agus Mohamad ( Institut Pertanian Bogor ) , Rochman, Nur ( Universitas Djuanda Bogor )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

So far, regression analysis is used to model the mean of response variable as a function of some independent variables, using the least squares (LS) method. In general, the LS method is able to describe well the measure of central tendency, however it is not robust against outliers. Therefore, in certain cases, a regression analysis that minimizes the sum of absolute residuals (least absolute deviation - LAD) is required, which is more robust against outliers. So far, the value of the regression coefficient is not modeled and only depends entirely on the data processed. In some cases, the sign and the value of regression coefficients need to be controlled, in order to be in the meaningful range. The results of this study showed that the modification of the constraints on the LAD regression able to control the regression coefficients to be in the meaningful range. The results of bootstrap showed that distribution of controlled regression coefficients were different from distribution of uncontrolled regression coefficients.

PENGELOMPOKAN PLASMA NUTFAH JAGUNG LOKAL BERDASARKAN KARAKTER KUANTITATIF TANAMAN

Andarini, Yusi Nurmalita ( ICABIOGRAD ) , ., Sutoro ( Badan Penelitian dan Pengembangan Pertanian )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Produktivitas jagung ditentukan oleh kualitas lingkungan tumbuh dan varietas yang ditanam. Informasi variasi genetik tanaman jagung perlu diketahui sebagai dasar pertimbangan dalam penyusunan strategi konservasi, pemuliaan, pengelolaan, dan pemanfaatan sumber daya genetik tanaman. Syarat utama yang diperlukan oleh pemulia untuk merakit varietas unggul baru adalah tersedianya materi genetik dengan keragaman yang luas. Tujuan penelitian ini adalah untuk mengelompokkan plasma nutfah jagung lokal berdasarkan karakter kuantitatif tanaman. Penelitian dilaksanakan di Kebun Percobaan Cikemeuh, BB Biogen, Bogor, menggunakan 44 aksesi jagung lokal asal NTT dan enam aksesi jagung lokal asal Jawa Timur. Percobaan menggunakan rancangan acak kelompok dengan tiga ulangan, sebagai perlakuan adalah 50 aksesi jagung. Karakter yang diamati meliputi sifat agronomis dan morfologis tanaman. Hasil penelitian menunjukkan terdapat 5 kelompok aksesi, dan jagung aksesi Mendi berumur genjah, dapat dipanen pada umur 74 hari. Sumber daya genetik jagung dengan karakter biomas (bobot brangkasan) tertinggi dimiliki oleh aksesi Pena Tasa. Bobot 100 butir tertinggi dihasilkan oleh aksesi Pena Oban. Aksesi-aksesi tersebut dapat digunakan sebagai bahan pemuliaan tanaman jagung untuk menghasilkan varietas unggul.

PENAMPILAN KARAKTER BEBERAPA GENOTIPE JAGUNG HIBRIDA PADA KONDISI KEKERINGAN

Marzuki, Maintang Intang ( Balai Pengkajian Teknologi Pertanian Sulawesi Selatan ) , Efendi, Roy ( Balai Pengkajian Teknologi Pertanian Sulawesi Selatan ) , Azrai, Muhammad ( Balai Penelitian Tanaman Serealia )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Selection to identify corn genotypes that are able to use water effectively becomes a target in plant breeding activities to improve drought tolerance.  Research to determine the performance appearance of agronomic characters, morphology, and physiology of several hybrid genotypes has been carried out in the Experimental Field of Cereals Research Institute, Maros, South Sulawesi, June - October 2016 in drought stress conditions using 65 hybrid corn genotypes. The research was conducted with 65 corn hybrid genotypes arranged in a randomized completed block design with three replications.   Drought stress treatment was started before the flowering phase until the physiologically mature. The result indicated that agronomic, physiology and  yield characters that  are significant and positively correlated  with o grain yield  are plant height, ear  height, stalk diameter, leaf area, leaf chlorophyll, leaf moisture content, stomata area, wet ear weight, ear leght, number of ear harvest, number of grain/rows and weight of 1000 grain. Leave rolling score, leaf senescence and leaf temperature are physiological characters that haved  negative correlation with the grain yield, as well as agronomic characteristics of days to silking, days to anthesis and ASI value. Promising hybrid (CML 505/NEI 9008-9-5-B-B-B-B)// CY11, (CML 538/DMRYCML-2-7-B-B-B-B)//MAL03, (CML 538/DMRYCML-5-5-B-B-B-B)//MAL03, (CML 505/NEI 9008-9-4-B-B-B-B)//CY11, (CML 505/NEI 9008-18-2-B-B-B-B)//CY11, (CML 505/NEI 9008-9-1-B1-B-B-B)// CY11, (CML 538/DMRYCML-1-3-B-B-B-B)//CY11, (CML 505/NEI 9008-14-1-B-B-B-B)// B11209, (CML 505/NEI 9008-29-2-B-B-B-B)//CY11 dan (CML 505/NEI 9008-21-2-B-B-B-B)//MAL03 show better  agronomic performance, yield components andgrain yield potential than Bima 9, Bima 16, Pertiwi 3 and P31. Those promising hybrid  of drought tolerance could  be further developed.

APLIKASI METODE TREN WAKTU SATU RAGAM DALAM PERAMALAN TOLERANSI KOMODITAS PANGAN TERHADAP PERUBAHAN IKLIM DI PAPUA

Garuda, Sitti Raodah ( Balai Pengkajian Teknologi Pertanian Papua ) , Baliadi, Yuliantoro ( Balai Pengkajian Teknologi Pertanian Papua )

Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Climate change has an impact on decreasing agricultural production, especially food crops. The rate of decline in agricultural production due to climate change ranges from 5-20%.The objective of this study was to forecastfood-cropsat Papua Province that are tolerance and adaptable to climate change using trend method. This study used four models of trend analysis, i.e: linear least square pattern, quadratic, exponential, and moving averages, with secondary data base of rice, maize, soybean and sweet potato production; climate data (rainfall); productivity and harvested areas from 1970-2015. These data were used to estimate food crop production in the year of climate change to determine their impact on food-crop production. Results showed that soybean was the most sensitive crop to climate change. It has the biggest impact on production, yield declined on both El Nino (10.7%) and La Nina (11.4%). The lowest impact was on rice crop, which is generally cultivated on the wetlands, El Nino decreased of production of 2.9% and La Nina increased production 2.4%, respectively. Two other crops, maize production decreased 7.4% on the El Nino and 3.9% increased during the La Nina. Futhermore, the the analysis revealed that sweet potatois the most resistant crop to climate change since it production increase by 2.5% during El Nino. As conclusion, moving average trendof order 2 model was most appropriate to estimate the value of rice and soybean production in the 1970-2015 period.The quadratictrend model wasapropriate  to estimate maize and sweet potato production based on its the MAPE, MAD, and MSD values.

METODE ACCELARATED SHELF LIFE TEST (ASLT) DENGAN PENDEKATAN ARRHENIUS DALAM PENDUGAAN UMUR SIMPAN SARI BUAH NANAS, PEPAYA DAN CEMPEDAK

Arif SP.MSi, Abdullah Bin ( Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian )

Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Pineapple, papaya and cempedak are horticultural commodities that are perishable, require large space, and are usually consumed in fresh form. Based on that, technologies are required for processing them, and one alternative is juice technology. To ensure that the juice is still suitable for consumption and unspoiled, information on shelf life is necessary. Method of estimating shelf life used is ASLT (Accelarated Shelf Life Test). This research was conducted at the Laboratory of The Indonesian Center for Postharvest Agricultural Research and Development between September 2012 – January 2013. Results showed that kinetics reaction in the deterioration of vitamin C in pineapple and pineapple-Cempedak juice followed order one reaction. At storage temperature ranging between 30 °C to -5 °C pineapple-cempedak juice showed a shelf life longer than the shelf life of pineapple and pineapple-papaya juices. The estimated shelf life of pineapple-cempedak juice at a temperature of -5 °C was 197.85 days. Shelf life of pineapple-papaya juice at a temperature of -5 °C was 172.39 days. Shelf life of pineapple juice at a temperature of -5 °C was 156.85 days.

ANALISIS EFISIENSI USAHATANI JAGUNG PADA LAHAN KERING MELALUI PENERAPAN PENGELOLAAN TANAMAN TERPADU (PTT) DI PROVINSI JAWA BARAT

Silitonga, Parlindungan Y ( Sekretariat Badan Penelitian dan Pengembangan Pertanian ) , Hartoyo, Sri ( Fakultas Ekonomi dan Manajemen (FEM) Institut Pertanian Bogor ) , Sinaga, Bonar M ( Fakultas Ekonomi dan Manajemen (FEM) Institut Pertanian ) , Rusastra, I Wayan ( Pusat Sosial Ekonomi dan Kebijakan Pertanian (PSEKP) )

Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Implementation of Integrated Crop Management (ICM) on maize farming in dry land is expected to increase the production and efficiency. This study aimed to: 1) analyze technical, allocative, and economic efficiencies of dry land maize farming under ICM and non-ICM implementation program, 2) identify factors that influence the technical inefficiency of maize farming under ICM and non-ICM implementation program. The study was conducted in maize production center in West Java province at Sukabumi and Garut regencies. Stratified random sampling method was used to survey 300 households in 2015. The data were analyzed using the Cobb-Douglas stochastic frontier production function; while allocative and economic efficiencies were analyzed using the input side approach with frontier dual cost function. The results showed that the productivity of ICM maize farming was 18% higher than the non-ICM. The level of technical, allocative and economic efficiencies of ICM maize farming were 88%, 22%, and 20% respectively, while the level of technical, allocative and economic efficiencies of non-ICM maize farming were 78%, 18%, and 14%, respectively. The level of technical, allocative and economic efficiencies increased by 11% to 30% higher in ICM than the non-ICM. Factors causing technical inefficiency were frequency of extension, educational level, and distance of farmland from farmers residence.

ANALISIS SPASIAL DALAM KLASIFIKASI LAHAN KRITIS DI KAWASAN SUB-DAS LANGGE GORONTALO

Anasiru, Rahmat Hanif ( Balai Pengkajian Teknologi Pertanian (BPTP) Gorontalo )

Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

Watershed (DAS) is a complex ecosystem, where land quality is largely determined by land use activities. This illustrates the importance of analytical procedure, especially where the context in which the spatial pattern of land use in the future can be designed based on the risk of degradation in large areas. Data and information are necessary to be used as reference in designing a planning scheme related to land use. Geographic Information Systems (GIS) is a system that has the ability to analyze problems and their spatial and non-spatial combinations (queries) in order to provide solutions to spatial problems. Sustainable farming is an integral part of sustainable development, a farming system which preserves water resources, land resources, and plant resources in acceptable and suitable ways economically, socially, and environmentally. The research aimed to identify and classify critical land by spatial analysis. Based on identification of land, there were 12 individual units in the study area. Based on the spatial analysis, critical land classification was divided into not critical area of 1,818 ha (28.7.%), Potentially Critical 2,596 ha (41.06%), Moderately critical 1,631 ha (25.08%), Critical 226 ha (3.57 %). Most of the land in sub-basin Langge was a hilly area of 1180.6 ha (63.8%) with a slope of 12-25%; 25-40% and above 40%. Alternative farm management in this area was a conservation farm by mechanical conservation techniques (terraces) or vegetative with cultivation techniques hallway, living fences, grass strips and agroforestry.

METODE CEPAT IDENTIFIKASI JARINGAN IRIGASI TERSIER DALAM PROSES PERBAIKAN IRIGASI

purwadinata, haryono ( Balai Penelitian Agroklimat dan Hidrologi ) , Ramadhani, Fadhlullah ( Balai Penelitian Agroklimat dan Hidrologi )

Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

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Abstract

The availability of water can not be separated from good tertiary irrigation network, apart from the available Secondary and Primary networks and also irrigation dams. Apart from funding, monitoring of JIT (Tertiary Irrigation Network) during the development and implementation is important. Identification of JIT condition is necessary for repairs, and problem frequently arise is the lack of rapid and accurate report from monitoring the condition. A rapid identification method that is simple, fast and accurate, provides an alternative in implementing the irrigation network monitoring. With a simple device that is Android-based mobile phone, equipped with a variety of applications, such as GPS Test, Open camera, GPS Photo Viewer and Photo folders, it is easier in monitoring of JIT. Results of monitoring in West Lombok using rapid method as an alternative, provided an option, better than the old method, with garmin gps, pictures with coordinates that can be sent directly, via social media, so that monitoring can be viewed simultaneously in the field and in the central office, monitoring information did not require a long time in the reports, and impact evaluation could be faster.