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Informatika Pertanian

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Published by Badan Penelitian dan Pengembangan Pertanian

ISSN : 08521743 EISSN : 25409875 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Computer Science & IT

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

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Articles 163 Documents

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Performance of Rice Tungro Resistant Promising Line in Endemic Area Muliadi, Ahmad -
Informatika Pertanian Vol 24, No 2 (2015): Desember 2015
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Tungro disease is one of the important diseases of rice because it has a high potential for causing damage. The use of varieties resistant to the tungro disease effectively prevent an explosion tungro disease. Testing of promising lines resistant to the tungro at several locations is a stage in the breeding program before a line is released as a new variety that has resistance to tungro disease, as well as having the potential for high yields and good adaptation at several locations. Six of tungro resistant promising line (OBSTG02-137, OBSTG02-124, OBSTG02154, OBSTG02-130, OBSTG02-56, dan OBSTG02-37) and four check varieties (Inpari 9 Elo, Tukad Unda, Ciherang, and IR64) were evaluated for their yield potential and adaptability at 16 locations in tungro endemic area during the dry season of 2011-2013. The experiment was arranged in a randomized block design with 3 replications. Each line were transplanted in 4 m x 5 m plot size with plant spacing 25 cm x 25 cm. Observation were made on yield, 50% flowering date, plant heights, panicle number per hill, number filled and unfilled spikelets per panicle, and weigh of 1000 grains in gram. The results showed that effect of genotype x location interaction was significantly different for all component observed. Based on the performance of grain yield and yield components obtained, four lines i.e. OBSTG02-137 (6.74 t/ha), OBSTG02-124 (6.20 t/ha), OBSTG02-154 (6.37 t/ha ), and OBSTG02-130 (5,92 t/ha) has a high yield with the support of filled grain number and weight of 1000 seeds is high. Based on the combined value of bi and the general average of yield, then line OBSTG02-137, OBSTG02-154, and OBSTG02-130 were suitable to adapt to all environments, OBSTG02-124 is adapted in an optimal environment, OBSTG02-56 and OBSTG02-37 were adapted to the less productive environment.

KEMAMPUAN PIGMEN KAROTEN DAN XANTOFIL MIKROALGA Porphyridium crunetum SEBAGAI ANTIOKSIDAN PADA DOMBA Agustini, Ni Wayan Sri
Informatika Pertanian Vol 26, No 1 (2017): Jurnal Informatika Pertanian
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

ABSTRAK.Â Xanthophyll and carotene is a carotenoid group that has potential as an antioxidant and has been reported carotenoids can be synthesized by microalgae P. cruentum. This study aimed to test the potential carotene and xantofil of P. cruentum as an antioxidant, by measuring of malondialdehyde (MDA) and superoxide dismutase (SOD) on sheep red blood cells by oxidative stress. Measurement of MDA using the thiobarbituric acid reactive substance (TBARS) which is based on the reaction between two molecules of TBA with one molecule under acidic conditions. SOD activity measurements with Adenochrom Assay method that is based on the ability of SOD inhibits autooxidation of epinephrine under alkaline conditions. Concentration of carotene used is 0.6; 6; 60 mg/mL and a positive control (vitamin E), while the concentration of xantophyl was 0.8; 8; 80 mg/mL and a positive control (vitamin C).The results showed that MDA levels in sheep red blood cells given carotene pigment were 0.78 Â± 0.02 nmol/ml (0.6 Î¼g/mL); 0.34 Â± 0.04 nmol/mL (6 Î¼g/mL); 0.15 Â± 0.04 (60 Î¼g/mL), and those given xantophyll pigment were 0.64 Â± 0.04 nmol/mL (0.8 Î¼g/ml); 0.6 Â± 0.06 nmol/mL (8 Î¼g/mL); 0.52 Â± 0.04 nmol/mL (80 Î¼g/mL).While the activity of SOD on sheep red blood cells given carotene pigment are 31.53 Â± 1.98 unit/mL (0.6 Î¼g/mL); 39.16 Â± 1.2 (6 Î¼g/mL); 48.1 Â± 0.46 unit/mL (60 Î¼g/mL) and given xantophyll pigment of 29.17 Â± 1.2 unit/mL (0.8 Î¼g/ml); 37.32 Â± 0.79 unit/mL (8 Î¼g/mL); 42.58 Â± 1.2 unit/mL (80 Î¼g/mL). The result of statistical test using SPSS 16 concluded that use of carotene and xantophyllin sheep red blood cell that were given oxidative stress can decrease MDA level and increase the activity of SOD. This proves that carotene and xantophyll pigments of P. cruentumhave the ability as antioxidant.

PENGGUNAAN FUNGSI "SOLVER" DALAM FORMULASI PAKAN TERMURAH UNTUK PETERNAK SAPI PERAH SKALA KECIL IGM, Budiarsana
Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Smallholder dairy farmers in Indonesia are very limited by the availability of quantity and quality of the feedstuff, especially in dry season. Sources of protein from legumes and non-conventional materials can be found around the area and used as feed ingredients for dairy cows. However, the major problem is in feed formulation for nutritionally balanced ration and with the cheapest cost. This paper outlines a step-by-step procedure in feed formulation based on Excel program for dairy farmers. The steps were performed to provide assurance that the resulting balanced ration was according to the targeted performance and at least cost. Also, users could control the process of formulating the ration. Examples were given by utilizing legumes and the results indicated that the reduction in feed cost was very real, as much as 10-20% when compared to the concentrated feed commonly used by farmers at a price of Rp1420/kg. The formulation method prepared by the program SOLVER can be recommended for use by dairy cattle ranchers individually or with assistance from Extension workers. Farmers are expected to be able to formulate their feed easily in order to get the least cost formula using feedstuff available in abundance, to minimize production cost, and to optimize feed management at small scale farming level.

TEKNOLOGI BUDIDAYA VARIETAS UNGUL BARU PADI SAWAH PADA DUA MUSIM TANAM Ikhwani, Ikhwani
Informatika Pertanian Vol 23, No 1 (2014): JULI, 2014
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

EVALUASI BOBOT BIJI TIAP JENIS MALAI ANAKAN PADI MELALUI PENERAPAN ANALISIS PROFIL PEUBAH GANDA Sutoro, Sutoro
Informatika Pertanian Vol 24, No 1 (2015): Juni 2015
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Yield components of rice are characteristics that can contribute to crop productivity levels. Grain weight per panicle produced from primary, secondary, tertiary and quarter tiller are important yield components. Information on grain weight profile may be used as the basis for improving rice cultivation techniques. Therefore, profile of the filled and empty grain weight from each type of rice panicle need to be evaluated. Evaluation of the traits was done by conducting experiment in glass house in 2013 under randomized block design, 3 replications with 1 plant per pot. Seed weight of filled and empty grain of primary, secondary, tertiary and quarter of rice panicles were observed. Thirty genotypes of rice were grouped by 8 variables of filled and empty grain weight through cluster analysis, and the profile response of filled and empty grain weight was analyzed by profile analysis of multiple variables. Profile of grain weight per cluster showed that there was no cluster with high filled grain weight and low empty grain weight for all types of panicle. Among the clusters, there were genotypes with high filled grain weight and moderate empty grain weight from each type of panicles, and they could be considered as materials in rice breeding programs.

IDENTIFIKASI VARIETAS TANAMAN KUNYIT MENGGUNAKAN SISTEM PAKAR Bursatriannyo, Nfn
Informatika Pertanian Vol 23, No 1 (2014): JULI, 2014
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

In Conjunction with the increasing of plant genetic resources development, the number of accessions of the turmeric plant is also increasing, making it difficult to differentiate between varieties, due to similar appearances. This research aimed to develop an expert system to identify the varieties of turmeric (Turina-1, Turina2, and Turina-3). Knowledge acquisition for building the expert system is performed in conjunction with an expert from the Indonesia Spices and Medicinal Research Institute. The knowledge acquisition process resulted in 13 input variables to describe a variety. The input inference process divides these 13 variables into two types: fuzzy and non-fuzzy. The non-fuzzy variables are: color of flowers, the base of leaf, and the flesh color of the rhizome which were used to decide whether the input description represents a Turina-1, Turina-2, Turina-3 variety or a non-variety. The remaining 10 fuzzy variables are: number of flowers per stem, plant height, number of tillers, leaf length, leaf width, rhizome weight per hill, number of parent rhizome, the number of primary roots, secondary roots and the levels of curcuma, which are used to determine whether the input description represents a Turina-1, Turina-2 or Turina-3 variety, using the Mamdani method for Fuzzy Inference System (FIS). In the testing phase, we used 100 data, which were already labeled according to the decision by the expert. The result shows that the system was able to correctly identify 89 of the input data.

KARAKTERISTIK ENKAPSULAT MINYAK SAWIT MERAH DENGAN PENGAYAAN Î²-KAROTEN YULIASARI, Shannora; Fardiaz, Dedi; Andarwulan, Nuri; Yuliani, Sri
Informatika Pertanian Vol 25, No 1 (2016): JUNI 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

This study aimed to evaluate the effect of maltodextrin combination with different encapsulation materials in the encapsulation of red palm oil by spray drying, in order to maximize encapsulation efficiency and retention of Î²-carotene. Maltodextrin was combined with xanthan gum (XG), gum arabic (GA), sodium caseinate (SC). The study was designed using a block randomized design with ten treatments and three replicates. The use of different combinations of encapsulation materials in this study had a significant effect (p<0.05) on the characteristic of encapsulates. The best encapsulation efficiency and Î²-carotene retention were obtained with MD:XG at a combination of 99.7:0.3%, while the lowest encapsulation efficiency and Î²-carotene retention were obtained for MD:SC. Combination of MD:XG produced encapsulate with 1.03% of surface oil, 92.40% of oil retention, 72.05% of encapsulation efficiency, and 72.65% of Î²-caroten retention. The mixtures of different encapsulation materials influenced encapsulate morphology. The MD:SC encapsulate had higher dents and folds on encapsulate surface, whereas the combination of MD:XG resulted in a smoother surface of the encapsulate.

PERAN INSEMINATOR DALAM KEBERHASILAN INSEMINASI BUATAN PADA SAPI PERAH Herawati, Tati; Anggraini, Anneke; Utami, Dwi; Argiris, Argi
Informatika Pertanian Vol 21, No 2 (2012): Desember 2012
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/ip.v21n2.2012.p81-88

INDONESIAKeahlian inseminator dalam melaksanakan Inseminasi Buatan (IB) merupakan salah satu dari lima faktor penentu keberhasilan IB. Namun, belum diketahui karakteristik inseminator yang paling berperan dalam keberhasilan IB tersebut, oleh karena itu dilakukan pengujian pada sapi perah di Lembang, Jawa Barat. Pengujian dilakukan untuk melihat pengaruh faktor inseminator (X1), dosis semen (X2; 25 juta, 20 juta dan 15 juta sperm/straw) dan jenis pejantan (X3; Farrel dan Forsa) terhadap tingkat kebuntingan/conception rate (CR), menggunakan sidik peragam dengan tingkat paritas sebagai peubah iringan (covariate), karena paritas sapi akseptor berbeda. Hasil pengujian menunjukkan tidak ada interaksi antar faktor tersebut, jenis pejantan, dan antar dosis yang digunakan tidak mempengaruhi jumlah kebuntingan ternak. Namun faktor inseminator berperan dalam menentukan kebuntingan, Oleh karena itu dalam pengujian dosis selanjutnya digunakan sidik peragam dengan memasang inseminator sebagai covariate, Dari pengujian antar inseminator diperoleh bahwa ada perbedaan type karakter dan kinerja antar inseminator yang disebabkan adanya perbedaan akademis (pendidikan) dan teknis (pelatihan, lama bekerja). 67% inseminator uji masuk kategori inseminator professional berkinerja baik (CR 59,26-77,27%) dan 33% inseminator uji masuk kategori inseminator professional dengan kinerja rata2 (CR 53,97-55,22%). Peran pendidikan dikalahkan oleh pelatihan dengan nilai R korelasi 83,5%. Hal ini menunjukkan bahwa ada faktor lain yang berpengaruh terhadap CR sebesar 16,5%. Oleh karena itu disarankan untuk dilakukan lebih lanjut pengkajian untuk mengetahui faktor lain tersebut serta diperlukan pelatihan untuk peningkatan akurasi pelaksanaan IB kepada para inseminator. INGGRIS

EFFECTIVE SIZE OF AUTO-TETRAPLOID POPULATION UNDER PARTIAL SELFING Sabran, Muhamad
Informatika Pertanian Vol 24, No 1 (2015): Juni 2015
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Effective population size is defined as the number of breeding individual in an idealized population that would show the same amount of dispersion of allele frequencies under random genetic drift or the same amount of inbreeding as the population under consideration. Effective population size depends on the census size of the population and the mating system. In autotetraploid population, effective population size also depends on the probability of double reduction, i.e., a meiotic event when two sister chromatids end in the same gamete. In this research, we will study the effect of the probability of double reduction on the effective size of autotetraploid population reproduced by partial selfing. The formula for the effective population size was derived by equating the variance of the change in gene frequency in idealized population and its value in the autotetraploid population with arbitrary rate of partial selfing and double reduction. The resulted formula, and numerical study based on the formula, indicated that the effective size decreases by the increase of probability of double reduction and the rate of selfing. When there is complete selfing, however, the effective size is not affected by the probability of double reduction.

APLIKASI BIOINFORMATIKA PADA STUDI GENETIK JAGUNG PROVITAMIN A Andayani, Nining Nurini; Aqil, Muhammad; Pabendon, M. B.
Informatika Pertanian Vol 26, No 2 (2017): Jurnal Informatika Pertanian
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

One type of functional maize that is currently studied and developed at Indonesian Cereals Research Institute is rich beta carotene maize (Pro vitamin A maize). This study aims to study the bioinformatics aspect of beta carotene maize as a basis in the determination of appropriate crossing combinations in generating pro vitamin A maize. Genetic studies used 15 high vitamin A maize inbreeds originating from within and outside the country (Cimmyt Mexico introduction). The study was conducted from April to July 2015 at the Molecular Biology Laboratory of Indonesian Cereals Research Institute. Preparation and DNA scoring were performed by using NTSYS-pc 2.1 version for generating dendogram/ data clustering. The results showed that the genetic diversity analysis based on UPGMA against genetic similarity matrix in the form of a dendogram of genetic similarity coefficient values obtained ranged from 0.36 to 0.91. The result of genetic diversity clustering of 15 inbreeds of Pro vitamin A maize in genetic similarity of 0.44 is divided into four groups: groups I, II, III and IV. Dendrogram shows groups I and II at the GD level of 0.44. Group III is at the level of GD 0.45 and divided into two sub groups namely A1 and A2. Group IV is at GD 0.503 level divided into four sub groups namely B1, B2, B3 and B4. The genetic clustering of inbreds tested indicated that the variability of the material characterized was relatively high and enables inbreds recombination in developing new varieties.

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