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E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
Published by Universitas Udayana
ISSN : 23016515     EISSN : -     DOI : -
Core Subject : Agriculture,
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.
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Articles 468 Documents
Studi Hubungan Vandalisme dengan Setting Taman Lapangan Puputan Badung I Gusti Ngurah Made Agung Denpasar - Bali ANNISA UTAMININGTYAS; A.A.MADE ASTININGSIH; IDA AYU MAYUN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol. 1, No. 2, Oktober 2012
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Study of Relation of Vandalism with Field Puputan Badung I Gusti Ngurah Made Agung Garden Setting, Denpasar – Bali. Puputan field is one of open green spaces in Denpasar which is visited mostly by local people, with the increase in traffic it would appear some problems, vandalism is one of them. Aims of the study are analyzing relation between environmental factor and setting that affect and studying the planning system and proper management. The analysis method used is explorative descriptive, in which data source was derived from observations, structured interviews (120 respondents), and the literature study. The result show the highest vandalism activity value that is done in this area is do not dispose of waste in place and the highest object subjected to vandalism is shrub. Environmental factor that affects this activity are limited facilities of dump and the existence of previous trash, while the setting that affects are sit on the planter box, volumes of the dump were slightly and not strategic placement. This area needs planning system and management setting appropriate to solve these problems. Keyword : Vandalism, Setting, Garden.
Pengaruh Populasi Kutu Daun pada Tanaman Cabai Besar (Capsicum Annuum L.) terhadap Hasil Panen KORI’ ANGGRAINI; KETUT AYU YULIADHI; DWI WIDANINGSIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.1, Januari 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The influence of the population of Aphids on crops of great chili pepper (Capsicum annuum L.) Against The Harvest One of the obstacles in the cultivation of pepper plants is the presence of aphid pest attack. The purpose of this research is to know the influence of the population of aphids on crops of Chili with different age and influence pest aphids attack against crops plant chili. Moving on to the results was showing that aphid pests attacked chili plants at different ages. The attack was found since the 100plant was two weeks after planting (wap) with the amount of 45.1 tail. Peak attacks occur in plants four weeks after planting (wap) with a total of 175.0 tails. Furthermore, the attack was a decrease due to the age of the plant getting older. An aphids attack results in low yields. Observation on chili harvest was done only 2 times. The highest occurrence of pepper crops has the lowest average yield of 33.8 g and 38.2 g whereas, the lowest pest-infected pepper plant has the highest average yield of 52.33 g and 57.2 g.
Aplikasi Sistem Informasi Geografi untuk Kajian Fluktuasi Muka Air Tanah dan Karakteristik Akuifer di Kawasan Kecamatan Denpasar Timur Kota Denpasar PUTU SINTAYANI BUANA; WIYANTI WIYANTI; R. SUYARTO
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.3, Juli 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 East Denpasar Subdistrict Region Denpasar City The growth of development and population in East Denpasar causing domestic water are increasing. In the other hand the water supply from Water Supply Company (PDAM) has not been able to serve all the needs of the community, so they use another alternative form of groundwater extraction. The increased water demand from groundwater causing groundwater degradation which is reflected by the decreasing quality and water table fluctuation level. This research aims to determine the fluctuations and depth distribution of water table, flow direction and characteristics of aquifers. The method used is survey method and analyzed with descriptive quantitative. Spatially the data is presented with Geographic Information Systems (GIS) using ArcGIS software. The results showed that the depth of the water table in the dry season ranged from 0,74-24 m and the rainy season ranged from 0,15-15,82 m with a range of water table fluctuations is 0,59-8,18 m. The flow direction of groundwater moves from north to south and partly inclines to southeast or southwest with an angle greater than N 185° E. The types of aquifers found were unconfined aquifers up to a depth of 160 m and the rock constituent material form of sand/sandstone, compact sand, loose sand, clay sand, volcanic ash/tuff and gravel.
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.
Pengaruh Penggunaan Jaring Berwarna Terhadap Kelimpahan Serangga Aphis gossypii pada Tanaman Cabai Rawit (Capsicum frutescens L.) NYOMAN AYU TRISNA ARI UTAMI; I NYOMAN WIJAYA; I KETUT SIADI; I DEWA NYOMAN NYANA; GEDE SUASTIKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.4, Oktober 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Effect of Barier Colored Nets to Abundance of Aphis gossypii on Cayenne Pepper (Capsicum frutescens L.) Cayenne pepper (Capsicum frutescens L.) is a plant that has a high economic value and has a many of uses that as seasoning at household, as an ingredient in various food processing industries and the manufacture of pharmaceuticals. Currently chili productivity in Indonesia is still low therefore needs a national chili can not be optimally. One reason is the insect infestation of  A. gossypii are a double role as pests and disease vectors. The use of red and white netting barier around planting chili is one of the pest control management that is environmental friendly. The purpose of this study was to determine the role of red-and-white nets barier in protect the entry of A. gossypii in chilli planting area. There are three treatments were tested using a red netting, white netting and planting without the use of nets. The results showed that the use of red and white nets can reduce insect populations of A. gossypii on peppers planting area. Average of the highest populations of A. gossypii on treatment without a net, then the white netting treatment and lowest in the red, so that the use of red nets can be used to reduce the population of A. gossypii on chilli crop.   Keywords: Chilli pepper , A. gossypii, colored nets
Produksi dan Mutu Tomat (Lycopersicum esculentum Mill.) Akibat Pemupukan Kimia, Organik, Mineral, dan Kombinasinya pada Inceptisol Kebun Percobaan Fakultas Pertanian Universitas Udayana ARIHTA FEBRINA SIANTURI; NENGAH NETERA SUBADIYASA; DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.3, Juli 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Production and Quality of Tomatoes (Lycopersicum esculentum Mill.) Due to Chemical, Organic, Mineral Fertilization, and The Combination of Fertilizer in Inceptisol Experimental Garden Agriculture Faculty of Udayana University The purpose of this research is to know the influence of some fertilizers to increase production and quality of tomatoes at Inceptisol, as well as chemical properties at Pegok. This research was held on August until November 2016 at the Experimental Garden, Faculty of Agriculture, and the Laboratory of Soil and Environmental Sciences Faculty of Agriculture, University of Udayana. The design used was a Randomized Block Design (RBD) with seven fertilization treatments and three replication with the number of plots 21 consist of P0 = Control, P1 = Organic fertilizers, P2 = Mineral fertilizers, P3 = Chemical fertilizers, P4 = fertilizer combination (PO + PK), P5 = fertilizer combination (PM + PK), P6 = fertilizer combination (PO + PM + PK). Statistical test by analysis of variance was significantly different when followed by LSD (Least Significance Different) test with a confidence level of 95% using Costat program.The role of chemical fertilizers are increase tomatoes production, the highest 54,67 tonnes ha-1 in treatment P3 (200 kg Phonska and 200 kg Urea) ha-1 up 207,12% compared with P0 (Control) is 17,80 tonnes ha-1, followed by P6 (5 tonnes Organic Fertilizer + 2,5 tonnes Chemical Fertilizer + 100 kg Phonska + 100 kg Urea) ha-1 is 41,20 tonnes ha-1 up 131,46% compared with P0 (Control), P5 (100 kg Phonska + 100 kg Urea + 2,5 tonnes Chemical Fertilizer) ha-1 is 40,13 tonnes ha-1 up 125,47% compared with P0 (Control), P4 (5 tonnes Organic Fertilizer + 2,5 tonnes Chemical Fertilizer) ha-1 is 28,53 tonnes ha-1 up 60,30% compared with P0 (Control), P1 (10 tonnes Organic Fertilizer) ha-1 is 27,60 tonnes ha-1 up 55,06% compared with P0 (Control), P2 (5 tonnes Chemical Fertilizer) ha-1 is 26,33 tonnes ha-1 up 47,94% compared with P0 (Control). The highest quality of tomato was shown by formula of P5 : combination of chemical and mineral fertilizer.
Pengaruh Pemberian Dosis Pupuk Urea terhadap Pertumbuhan Tanaman Bayam Cabut Putih (Amaranthus tricolor L.) TINA KOGOYA; I PUTU DHARMA; I NYOMAN SUTEDJA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.4, Oktober 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect Of Urea Fertilizer Dosage On The Growth Of Spinach Plants Remove White (Amaranthus tricolor L.) Giving nutrient into the soil is very important for the growth of plants. This study aims to find out the appropriate dosage of urea fertilizer to increase the growth of spinach plants, so that can boost the production of white spinach. This research was conducted on July 12th until the date of August 09th 2017, in experimental garden of Faculty of Agriculture Udayana University. This study used a randomized block design (RAK), the treatment given was a dosage of urea fertilizer consisting of seven treatment level and four replications. Parameters observed and analyzed were plant height, number of leaves, leaf area each plant, root length, fresh weight of plant and dry weight of plant. Before planting the soil samples were analyzed in the laboratory of the Udayana University Faculty of Agriculture to find out the N content in the soil to be used in this study. The results showed that the application of real urea fertilizer can increase the growth of white spinach plant. The highest growth was obtained at the dosage of 0.9 g urea/polybag (U3) with average dry weight of 3.98 g / plant or increased by 437,83% compared to control which yield 0.74 g/plant.
Pembebasan Benih Kacang Panjang (Vigna sinensis L) dari Infeksi Bean Common Mosaic Virus (BCMV) melalui Perlakuan Dry Heat HERRY KUSUMA YUDHA; GST NGURAH ALIT SUSANTA WIRYA; I GUSTI NGURAH RAKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.2, April 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

This study are aims to determine the effect of dry heat treatment (DHT) on the quality of seed beans and to determine the length of time required for dry heat treatment (DHT) in seed beans. This research has six activities, that are: 1. sampling symptomatic plants virus on long bean; 2. preparation of seed; 3. dry heat treatment (DHT); 4. test for Immunosobent Serology Enzyme-linked Assay (ELISA); 5. observations; 6. data analysis. The research were designed by completely randomized design (CRD) with six treatments and five replications. The research result show that dry heat treatment does not give adverse effects on seed germination of beans. Treatment of dry heat on a temperature of 70ºC for 60 hours most effective for inactivation of bean common mosaic virus (BCMV) on the seed beans and did not cause damage on the other elements of seed quality. Based on these studies further research on dry heat treatment to determine their effectiveness to protec plants from bean common mosaic virus (BCMV) in endemic areas, should be conducted.
Pengelolaan Lansekap Desa Budaya Kertalangu Kecamatan Denpasar Timur Kota Denpasar Provinsi Bali ANGGAR RETNO ULUPI; COKORDA GEDE ALIT SEMARAJAYA; NI NYOMAN ARI MAYADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.4, Oktober 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Landscape Management in Desa Budaya Kertalangu Kecamatan Denpasar Timur Kota Denpasar Provinsi Bali Desa Budaya Kertalangu (DBK) located in By Pass Ngurah Rai No. 88X street. The place is near Sanur and not so far from Gianyar. DBK is one of the pilot project from the Local Government as a tourism cultural model, the concept is blend of agricultural activities and cultural arts. The purpose of this research are to determine the applicable of DBK management, to  analyzed the factors of affect the landscape maintenance activities. This research are consider internal and external of DBK, starting from observation, identification the type of the plants and continued by interview with compatible persons, get literature and distribute questionnaires to determine the visitors perceptions about DBK. The research indicated that it was still bad management standard level. This can be seen from the internal management is not going well from the employees, owners and the gardeners. The bad maintenance will be unsatisfied of the visitors on DBK. Key word: management and maintenance garden
Uji Efektivitas Beberapa Ekstrak Daun Tanaman terhadap Populasi Ulat Daun Kubis (Plutella xylostella L.) pada Tanaman Kubis di Lapang NI KADEK BUDARTINI; KETUT AYU YULIADHI; MADE SRITAMIN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Effectivity of Some Extract to Diamonback Moth (Plutella xylostella) Population On Cabbage PlantThe research was conducted in November 2017 to February 2018 at Candikuning Village, Baturiti District, Tabanan Regency. The aim of this research is to observe effectiveness some extract on larvae of Diamonback Moth (Plutella xylostella) population on cabbage plant. Plant extract materials used in this experiment were leaf of Chromolaena odorata, Lantana camara, Tithonia diversifolia and Nicotiana tabacum. Process of extracting at Laboratory of Genetic Resources and Molecular Biology Faculty of Agriculture Udayana University. This research uses Randomized Block Design (RBD) with 4 treatment of leaf extract at 10% concentration and 1 without treatment (kontrol), there treatments was replicate 5 times. Observations were made on cabbage plants one week after planting and before application. Subsequent observations were conducted weekly, up to harvest by calculating the population larvae of Plutella xylostella. Testing of four types of plant leaf extracts showed the following results: Each of C. odorata leaf extract, L. camara, T. diversifolia, and N. tabacum used as research material had different potential in suppressing P. xylostella populations . Application of C. odorata and T. diversifolia leaf extracts was able to suppress P. xylostella populations faster than other treatments. The weight of cabbage crop on treatment of C. odorata was higher than that of other treatments and the quality of crop in all four types of extract showed quality category 2.