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E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
Published by Universitas Udayana
ISSN : 23016515     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
E-Jurnal Agroekoteknologi Tropika (JAT) adalah peer-reviewed, open access jurnal, diterbitkan oleh Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana. JAT menerbitkan hasil peneitian original dan review artikel dalam bidang Ilmu tanah dan lingkungan, Agronomi, hama dan penyakit tumbuhan, dan arsitektur lanskap. Penulis diharapkan mengimkan karya tulisnya yang belum pernah dipublikasikan, sedang di-review atau sedang dipertimbangkan untuk diterbitkan di jurnal atau media lain secara lengkap. Ruang lingkup JAT mencangkup, tetapi tidak terbatas pada bidang berikut: kimia dan kesuburan tanah, biologi tanah, fisika dan konservasi tanah, manajemen suberdaya lahan, pengendalian hama dan penyakit terpadu, hama tanaman, penyakit tanaman, biopestisida, bioteknologi tumbuhan, agronomi dan hortikultura, benih dan pemuliaan tanaman, ekofisiologi, dan arsitektur lanskap.
Arjuna Subject : -
Articles 14 Documents
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Search results for , issue "Vol.8, No.2, April 2019" : 14 Documents clear
Aplikasi Sistem Informasi Geografi untuk Kajian Fluktuasi Muka Air Tanah dan Karakteristik Akuifer di Kecamatan Denpasar Selatan Kota Denpasar KADEK ARI DEWI WAHYUNI; R. SUYARTO; TATI BUDI KUSMIYARTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Application of Geographic Information System for Study of Water Table Fluctuations and Characteristics of Aquifers in the South Denpasar District The water needs of the population in South Denpasar District vary greatly depending on community activities. The population and activities of the community that need clean water continue to increase, on the other hand the PDAM of Denpasar City is only able to meet the clean water needs of the population of 46.06% (PDAM Kota Denpasar, 2017). People who have not yet connected PDAM services use ground water as an alternative to making dug wells or bore wells. Excessive use of ground water and exceeding safe discharge will affect groundwater degradation. The purpose of this study was to determine groundwater fluctuations and aquifer characteristics.The method used is a field survey method and quantitative descriptive using ArcGIS 10.4 software. The results showed that the dry season water table depth ranged from 0,8 to 5 m and the rainy season ranged from 0,5 to 3,9 m with groundwater fluctuations ranging from 0.04 to 1,3 m. The direction of groundwater flow from the north to the south with degree N 183o E. A good aquifer is composed of medium-sized sand material, and medium sized brown sand material. Limited aquifers are composed of weathered meosen limestone and sea coral with a discharge of 5-10 liters/second.
Isolasi dan Seleksi Bakteri Antagonis untuk Pengendalian Penyakit Busuk Batang Panili (Vanilla planifolia Andrews) Secara In Vitro I MADE ARIMBAWA; GUSTI NGURAH ALIT SUSANTA WIRYA; I MADE SUDANA; I MADE WINANTARA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Isolation and Selection of Antagonistic Bacteria to Control Stem Rot Disease on Vanilla Plant (Vanilla planifolia Andrews) by In Vitro Test. Isolation, selection, and identification of effective microbes are important steps to obtain biological agents. The perpose of this research was to get potential bacteria as controlling agents for stem rot of vanilla. The research was conducted at Plant Disease Laboratory, Faculty of Agriculture, Udayana University, Denpasar, from December 2017 to February 2018. The research comprised of isolation and identification the pathogen of stem rot of vanilla, pathogenicity test, isolation and identification of antagonistic bacteria, in vitro test of antagonistic bacteria ability to controled the pathogen of stem rot of vanilla, and hypersensitive response of antagonistic bacteria on tobacco plant. The result showed that the pathogen of stem rot on vanilla plants was identified as Fusarium oxysporum. There of 21 isolates of bacteria that has been isolated from field, there were 7 isolates could suppress of F. oxysporum growth are isolates P001, P002, P003, P004, P005, BM02, and BM03. In vitro test of antagonistic bacterial with F. oxysporum showed that isolate P002 could suppress pathogen growth with the highest percentage (98,36%), P005 (98,34%), P001 (92,78%), P003 (82,02%), P004 (80,34%), BM02 (71,80%), and BM03 (66,70%). Hypersensitive respons test showed that isolates P001, P002, P003, P004, P005, BM02, and BM03 weren’t pathogenic for plants.
Daftar Isi JAT Vol. 8, No. 2, April 2019 Pengelola JAT
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Daftar Isi JAT Vol. 8, No. 2, April 2019
Pemetaan Potensi dan Kerawanan Longsor Lahan di Desa Belandingan, Desa Songan A dan Desa Songan B Kecamatan Kintamani, Kabupaten Bangli NI MADE DWI PRADNYASARI; WIYANTI WIYANTI; TATIEK KUSMAWATI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Mapping of Landslide Potential and Susceptibility at Belandingan Village, Songan A Village and Songan B Village, Kintamani District ,Bangli Regency The research conducted in order to find out how the potential for landslides in the Belandingan Village, Songan A Village and Songan B Village. Scoring and overlay method used to determine the results of landslide potentials in the study area. Parameter used as the basis for overlay and scoring are soil types, rainfall data, structural geology, landform, slope and land use map. From the overlay result, 41 land unit were mapped on the research area. Based on scoring, there are 4 classes of landslide potential. They are potential including no Potential, low Potential, moderate Potential, high Potential. Most area of study area are are included as low Potential and medium Potential. Meanwhile high Potential mainly concentrated on the ancient caldera on west part of Batur Lake. Belandingan, Songan A and Songan B villages have various levels of landslide potential, starting from this non-Potentialous category, covering land units 34 and 39. Low potential on land units 26, 29, 25, 23, 21, 38, 3, 12 and 11. While on land units 36, 30, 31, 32, 14, 15, 16, 17, 19, 4, 20, 40, 24, 6, 13, 2, 37, 7, 8, 9, 27.10, 22, 41, 1. 5 and high potential on land units 33, 18, 35, and 28. The no Potential class mainly located in Songan A and Songan B Village with total area 244,17 Ha. The Low Potential class are located mainly in Songan A Village and Songan B Village with small amount in Belandingan with total area 1059,21 Ha. Moderate Potential class located in all with total area 1904,42 Ha . The High landslide Potential class located mainly in Songan B Village with small amount in Belandingan Village and Songan A Village with total area ??343,36 Ha.

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