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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Fitopatologi Indonesia Buletin Hama dan Penyakit Tumbuhan Teodolita: Media Komunikasi Ilmiah di Bidang teknik Seminar Nasional Informatika (SEMNASIF) IKRA-ITH Informatika : Jurnal Komputer dan Informatika IKRA-ITH ABDIMAS Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences International Journal Of Science, Technology & Management (IJSTM) Jurnal penelitian jalan dan Jembatan

Budi Tjahjono

Unknown Affiliation

Author-ID : 243770

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation Other

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Reliability Analysis of Communication Network Service Quality For Internet of Vehicles (IoV) Nizirwan Anwar; Dewanto Rosian Adhy; Budi Tjahjono; Rudi Hermawan; Nur Widiyasono; Muhammad Abdullah Hadi
International Journal of Science, Technology & Management Vol. 2 No. 5 (2021): September 2021
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v2i5.310

The development of the Internet of Vehicle (IoV) is overgrowing toward driving comfort, safety, and efficiency. Autopilot or a car without a driver is one implementation of IoT. To run the full function of IoV, a reliable communication network is needed because the risk will be substantial due to the low quality of network infrastructure services. In this research, we will analyze the quality of network infrastructure services. The analysis can be done through two approaches: direct measurement in the field using a GPS Tracker-based system and modeling using the mathematical function of transmit power of mobile communication transmitting devices. The test is carried out in a specific area with a sample of high traffic and low-density areas. This method was chosen to find the right pattern in measuring the quality of communication network services. The tests carried out produce dynamic data on service quality in certain areas. For areas of low density, the service quality tends to be below as well, and many areas without signal are found, while for areas with high density, the quality of service is found to be good, but network overload conditions often occur.

Development of Precission Farming Hydropoonic Model Based On Internet of Things Using Arduino Budi Tjahjono; Kundang Karsono; Lista Meria
International Journal of Science, Technology & Management Vol. 2 No. 6 (2021): November 2021
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v2i6.392

Agricultural land in urban areas was needed for community food security. Narrow agricultural land posed obstacles in the implementation of urban agriculture. Hydroponi is a solution for agricultureal development on narrow land. Precesion farming was needed to maintain plant growth. Hydroponic system required regulation of air and water temperature, humidity, water level, pH, water nutrient. This study used SDLC methodology. The result of this research is an automatic hydroponic implementation that can monitor and control an Internet of Things based hydroponic system using Arduino.

Cloning of Genomic DNA Flanking Transposon in the Nonpathogenic Mutant of Xanthomonas axonopodis pv. glycines M715 ALINA AKHDIYA RUSMANA; ANTONIUS SUWANTO; BUDI TJAHJONO
HAYATI Journal of Biosciences Vol. 12 No. 2 (2005): June 2005
Publisher : Bogor Agricultural University, Indonesia

The objective of this work is to clone flanking DNA derived from Tn-5 mutagenesis of wild type strain Xanthomonas axonopodis pv. glycines as first step to clone and to identify the gene involved in pathogenicity mechanism. We have localized the flanking DNA fragment from a nonpathogenic mutant of Xag M715. Southern hybridization analysis using 2.8 kb EcoRI from pYR103 as a probe showed that the fragment is located within 2.0 kb PstI fragment. A 0.7 kb flanking DNA was amplified using inverse PCR technique, and inserted into pGEM-T Easy vector generating a 3.7 kb recombinant plasmid (pAA01). Southern hybridization analysis of the wild type (YR32) with pAA01 as a probe indicated a hybridization signal located at approximately 3.0 kb PstI fragment. DNA sequence analysis revealed that the DNA fragment has a 64% identity to a vir gene of Bacillus anthracis.

Rapid Detection of Bacterial Pustule Disease on Soybean Employing PCR Technique with Specific Primers ANDI KHAERUNI; ANTONIUS SUWANTO; BUDI TJAHJONO; MEITY SURADJI SINAGA
HAYATI Journal of Biosciences Vol. 14 No. 2 (2007): June 2007
Publisher : Bogor Agricultural University, Indonesia

A rapid polymerase chain reaction (PCR)-based procedure was developed for detection of Xanthomonas axonopodis pv. glycines, the causal agent of bacterial pustule disease on soybean. A set of primers was designed from partial sequence of the pathogenicity gene of X. axonopodis pv. glycines strain YR32. Specific PCR product of 490 base pairs was produced from strains of X. axonopodis pv. glycines originally from Indonesia as well as from Taiwan. No other pathovars and bacterial species among those tested showed amplification product under optimized PCR conditions. Shaking infected soybean leaves in phosphate buffer saline during six hours was proved to be an essential in order to increase cell number of the bacterial. The procedure was applicable and reliable for detecting of pathogens in infected plant materials. The procedure was proved to be more effective than that of conventional detection and could be of great help for monitoring of pustule bacterial disease in the soybean fields. Key words: Xanthomonas axonopodis pv. glycines, bacterial pustule disease, rapid detection, PCR, specific primer

Pemanfaatan Cendawan Mikoriza Arbuskula dan Bakteri Azospirillum sp. untuk Meningkatkan Efisiensi Pemupukan pada Turfgrass Dwi Guntoro; M. A. Chozin; Budi Tjahjono; Irdika Mansur
Indonesian Journal of Agronomy Vol. 34 No. 1 (2006): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Introduction turfgrass varieties require fertilization with high dosage, but it can contaminate environment. The increasing efficiency of fertilizer absorbtion was expected to reduce fertilizer requirement. The experiment was conducted to study the effect of arbuscular mycorrhizae and Azospirillum sp. on nutrient uptake, fertilization efficiency, growth and visual quality of turfgrass. The experiment consisted of two factors, i.e. the dosages of fertilizer and inoculant types. The dosages of fertilizer were the relatif dosage from recommended dosage (RD) i.e 100%RD, 75%RD, 50%RD, and 25%RD. The recommended dosage was 0.5 kg N + 1.5 kg P2O5 + 0.5 kg K2O per 100 m2/month by compound fertilizer (15-15-15). The treatment of 100%RD without inoculant was used as control. The inoculant types were no inoculant, arbuscular mycorrhizal fungi (AMF), Azospirillum sp., and AMF+Azospirillum sp. Factorial experiment was arranged in Randomized Block Design with three replications. The results showed that interaction between inoculant type and dosage of fertilizer affected nutrient uptake, fertilizer efficiency, growth, and visual quality. AMF inoculation and 25%RD increased shoot N uptake and N fertilizer efficiency, compared with control. Azospirillum sp. inoculation at 75% RD increased shoot N concentration, but did not affect on shoot N uptake and N fertilizer efficiency compared with control. Inoculant did not affect shoot P concentration, shoot P uptake, and P fertilizer efficiency. Azospirillum and AMF+Azospirillum inoculation increased shoot K concentration. AMF+Azospirillum inoculation and 100%RD increased shoot N concentration and shoot N uptake, compared with control. Key words : Arbuscular mycorrhizal fungi, Azospirillum, fertilizer efficiency, nutrient uptake, turfgrass.

PENGUJIAN KET AHANAN KOLEKSI GENOTIPE KEDELAI TERHADAP PENYAKIT BISUL BAKTERI Dyah Kusuma Anggraini; Budi Tjahjono; Antonius Suwanto; Hajrial Aswidinnoor
Indonesian Journal of Agronomy Vol. 23 No. 3 (1995): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of the research was to evaluate the resistance of soybean genotype in the germplasm collection to pustule disease. Seventy five genotypes were evaluated using spray inoculation method. Inoculation was done on the third week after planting. The 75 genotypes evaluated consists of 29 local varieties, 8 national varieties, 23 introduction, and 15 experimental lines. Results of the experiment showed that among the 75 genotypes tested, one local variety, Si Pinang was found resistant to the pustule disease (Xanthomonas campestris pv. glycines). The resistant local variety was collected from Langkat, North Sumatra.

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Geminivirus infecting pepper: symptom variation and transmission study Infection of geminiviruses has been reported to cause signz3cantyield loss on various crops. Polymerase chain reaction was able to detect geminivirus infection on pepper samples around Bogor and Cipanas, West Java. Symptom variation and transmission of the geminivirus infectingpepper was studied using five solanaceae plants with three dzgerent transmission mannec i.e. mechanical inoculation, side grafirng, and insect vector. The transmission study showed that mechanical inoculation was not able to transmit the eminivirus, while side grafting and insect vector, Bemisia tabaci, caused infection with symptoms varies from yellow mosaic, leaf curl leaf distortion, to stunting of the plant. Higher infection was observed on pepper var. Hot Chilli through B. tabaci (8009) and side grafting (71.4%) than those on chilli pepper and tomato. DNA fiagment of - 1.7 kb was amplified wing PCRfim those plants showing symptoms, but no DNA fiagment was observedfrom symptomless eggplant and tobacco var. White Burley. Thus it can be concluded that the last two kina3 ofplants were resistant to the geminivirus infectingpepper.

It has been known that phytoplasma inducing witches broom disease can infect various kind of leguminous plants in Indonesia, among others soybean. Information on the resistance of various kind of soybean varieties to the phytoplasma is still limited. Experiments were conducted to eveluate the resistance of ten soybean varieties/lines to the phytoplasma. The evaluation was carried out by inoculation method through Orosius argentatus Evans, with two days of acquisition feeding period, ten days lat Asniwita Asniwita; Rusmilah Suseno; Sri Hendrastuti Hidayat; Budi Tjahjono
Buletin Hama dan Penyakit Tumbuhan Vol. 11 No. 2 (1999): Buletin Hama dan Penyakit Tanaman
Publisher : Buletin Hama dan Penyakit Tumbuhan

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It has been known that phytoplasma inducing witches broom disease can infect various kind of leguminous plants in Indonesia, among others soybean. Information on the resistance of various kind of soybean varieties to the phytoplasma is still limited. Experiments were conducted to eveluate the resistance of ten soybean varieties/lines to the phytoplasma. The evaluation was carried out by inoculation method through Orosius argentatus Evans, with two days of acquisition feeding period, ten days latent period and two days inoculation feeding period. Observation was conducted on the presence of phytoplasma, incubation period, symptom and number & weight of seed. The result indicated that line Malang 3474 was resistant, Sindiro and Sriono were tolerant, while the other tested varieties/lines, i.e. Galunggung, Orba, Ringgit, Wilis, Malang 2999, Malang 2805 and Sicinang were susceptible

ARSITEKTUR TRADISIONAL JAWA BANYUMASAN PADA PENDAPA DUPLIKAT SI PANJI DI KOTA LAMA BANYUMAS BUDI TJAHJONO; R SITI RUKAYAH; EDWARD ENDRIANTO
Teodolita ( Media Komunikasi Ilmiah di Bidang Teknik ) Vol 16, No 2 (2015)
Publisher : Fakultas Teknik Universitas Wijayakusuma Purwokerto

Kota Banyumas dahulu ibu kota karesidenan Banyumas, menjadi pusat pemerintahan HindiaBelanda. Pada pusat pemerintahannya diutara alun-alun terdapat pendapa yang di sakralkan PendapaSi Panji, dibangun Tumenggung Yudanegara II sekitar tahun 1743.Pendapa ini bermodel â€JogloTajugâ€, sebutan lokal yang ganjil, tidak dikenal pada bentuk arsitektur tradisional Jawa. Disini dicaribagaimana bentuk â€œJoglo Tajugâ€ itu dan apa penyebabnya ? Karena letaknya diperbatasan Jawa Barat,dan di Banyumas terjadi akulturasi Jawa dan Sunda. maka diduga ini percampuranarsitekturtradisional Jawa dengan Sunda ,atau mungkin adanya pengaruh lain dimasa lalu. Disini dibuktikan halitu dengan meneliti Pendapa Si Panji, hasil penelitiannya di kaji dengan teori Sejarah, BudayaBanyumasan, arsitektur tradisional Jawa, dan Sunda. Didapatkan bentuk Pendapa Si Panji berupaatap Tajug yang seharusnya sama sisi dipaksakan diatas denah Joglo yang empat persegi panjangsehingga menjadi bentuk yang ganjil, dan bentuk Joglo Tajug diduga tercipta sebagai protes alaBanyumasan terhadap raja Jawa masa itu.Kata kunci : Javanese Banyumasan, Joglo, Tajug

PERAN TEKNOLOGI KOMUNIKASI DAN INFORMASI TERHADAP KEKUATAN STAKEHOLDER DALAM MEWUJUDKAN EDEMOCRACY DI INDONESIA Budi Tjahjono
Seminar Nasional Informatika (SEMNASIF) Vol 1, No 6 (2009): E-Democracy
Publisher : Jurusan Teknik Informatika

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Peranan Information and Communnication Technology (ICT) telah banyak diketahui adalah untuk efisiensi, efektivitas dan transparans. E-Democracy di Indonesia belum berjalan dengan baik. ICT diharapkan dapat merubah pola pikir dalam melakukan pesta demokrasi, transparansi yang ditawarkan ICT bisa mengurangi kecurangan yang banyak dilakukan selama ini. Stakeholder sangat memengaruhi sukses atau tidaknya pelaksanaan e-Democracy di Indonesia. Kekuatan stakeholder dalam mensukseskan perlu adanya sosialisasi sehingga mempunyai power dalam mewujudkan e-Democracy. Masing-masing aktor dalam stakeholder bisa mengubah situasi dan kondisi tercapainya e-Democracy yang baik. Apabila dilakukan perubahan dari voting tradisional ke e-voting, maka peranan local administrasi sangat berpengaruh.

Co-Authors ALINA AKHDIYA RUSMANA Andi Khaeruni Antonius Suwanto dan Meity S. Sinaga . Budi Tjahjono Andi Khaeruni R Asniwita Asniwita Dermawan Zebua Dewanto Rosian Adhy Dwi Guntoro Dyah Kusuma Anggraini EDWARD ENDRIANTO Eliza S. Rusli Gerry Firmansyah Habibullah Akbar HAJRIAL ASWIDINNOOR Irdika Mansur Kikin H Mutaqin Kundang Karsono Laksono Trisnantoro Lista Meria M. A. Chozin Malabay Malabay MEITY SURADJI SINAGA Muhammad Abdullah Hadi Nenden Siti Fatonah Niko Prasetyawan Aji Nila Rusiardi Jayanti Nizirwan Anwar, Nizirwan Nur Widiyasono R SITI RUKAYAH Rudi Hermawan RUSMILAH SUSENO Rusnani * Sri H. Hidayat SRI HENDRASTUTI HIDAYAT Yulhendri Yulhendri Yuliana Susanti

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