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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 468 Documents
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Pengendalian Penyakit Layu Fusarium oxysporum f.sp. capsici pada Tanaman Cabai Rawit Capsicum frutescens di Rumah Kaca dengan Trichoderma sp yang Ditambahkan pada Kompos I MADE TEDI MAHADI PUTRA; TRISNA AGUNG PHABIOLA; NI WAYAN SUNITI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.1, Januari 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The utilize of Trichoderma sp Compost Formulation to Control wilt disease of Fusarium oxysporum f.sp.capsici in cayenne pepper Fusarium oxysporum f.sp.capsici is a disease that attacks cayenne pepper. This disease can be suppressed by an infectious pathogen called Trichoderma sp. This study was done at laboratory UPT BPTPH Bali Province started from April 2018 to September 2018. This study was done in order to fine the best dose of Trichoderma sp. that used to control Fusarium oxysporum f.sp.capsici on cayenne pepper The experimental design is randomized block design (RBD) with six treatments and each treatment is replicated 4 times. The result of this study show that application of Tricoderma sp. on cayenne pepper could decrease wilt disease of Fusarium oxysporum f.sp. capsici with minimum percentage of wilt symptoms is T5 only 30% in 16 WAT compare with control 67,5%. The best treatment that can decrease symptoms of wilt desease and increasing the yield of cayenne pepper is the T5 (25 gr/plant) but not significantly affect with T3 (12 gr/plant).
Uji Efektivitas Teknik Ekstraksi dan Dry Heat Treatmentterhadap Kesehatan Bibit Tomat (Lycopersicum esculentum Mill.) DEWA NYOMAN PREMA ANANDA; I GUSTI NGURAH RAKA; NI NYOMAN ARI MAYADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.1, Januari 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Effectiveness of Technique Extraction Test and Dry Heat Treatment to Seed Health of Tomato (Lycopersicum esculentum Mill.). Tomato (Lycopersicum esculentum Mill.) is one of horticultural commodities with many benefit and still requires serious treatment for improvement of productivity.Seed healthy is one of the tomato productivitydeterminer. Tomato seeds used by farmers mostly contaminated by seed-borne viruses.This research aims to determine the effectiveness of extraction technique and dry heat treatment on the health of tomato seedlings. Research consists of five activities: 1. Fruit prepation for seed; 2. Extraction of seeds; 3. Drying; 4. Dry heat tratment, 5. Seed quality testing; and 6. Data analisys. This research is completely randomized design (CRD) with six treatment combinations and each combination is repeated four times. The results showed extraction treatment with soaking 2% HCl, calcium oxide, and water is not effective to produce healthy tomato seedlings, while Dry Heat Treatment effective to produce healthy tomato seedlings. Extraction and treatment of Dry Heat Treatment show interaction on seed health variables were real derived from diseased plants. Keywords: tomato, extraction techniques, dry heat,seedlings healthy
Uji Keefektivan Ekstrak Beberapa Biji Tanaman untuk Menghambat Pertumbuhan Bakteri Bercak Daun (Xanthomonas campestris) pada Tanaman Tomat DELVIANA PANJAITAN; I KETUT SUADA; MADE SRITAMIN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.2, April 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Effectiveness Test of Some Plant Seeds Extract to Inhibit the Growth of Spotting Leaf Bacteria (Xanthomonas campestris) on Tomato Plant. The X. campestris bacterium is very harmful to tomato plant because the bacteria able to attack the plant seedling up to full grown stage. This bacterium  not only attack the root, but also infect the leaves, fruits and stems. Utilization of botanical pesticides to inhibit the pathogen becomes one alternative option to be recommended. The control method has selective activity and safe for the ecosystem. The purpose of this study is to determine the ability of some plant seeds extract in inhibiting the growth of X. campestris the causal agent of leaf spot on tomato plants. Rose apple seed extract contains phyto-pesticide that can be used to inhibit the growth of leaf spot caused by X. campestris. The minimum inhibitory concentration of the extract was at a concentration of 0.312% with the diameter of inhibition zone of 8 mm. It was expected that rose apple seed extract may be used as an alternative subtance to inhibit the growth of bacterium X. campestris bacterium of tomato plants. Key words: plant seeds extract and Xanthomonas campestris
Pengaruh Waktu Inokulasi Terhadap Laju Infeksi Penyakit Bean Common Mosaic Virus (BCMV) pada Tanaman Kacang Panjang (Vigna Sinensis L.) I GUSTI AYU KARISMAYATI; GUSTI NGURAH ALIT SUSANTA WIRYA; TRISNA AGUNG PHABIOLA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.1, Januari 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect of Inoculation Time towards the Infection Rate of Bean Common Mosaic Virus (BCMV) Disease on Long Beans (Vigna sinensis L.)Bean Common Mosaic Virus (BCMV) is kind of disease which greatly decrease the production of beans. The information about the spread of this disease is unknown. Therefore, it should be a research to be investigated. The purpose of the study is to determine the effect of inoculation time towards the infection rate of BCMV disease on long beans. The study uses a Randomized Complete Block Design (RCB) consisted of eight treatments and four replications, namely: the treatment of plants which originated from infected seeds of BCMV, inoculated at the age of 2, 3, 4, 5, 6, and 7 week after planting, and without inoculation as a control.The results showed that the younger of long beans infected by BCMV, resulting in the higher infection rate of disease and the symptoms caused would be more severe. The infection rate on plants which were inoculated at the age of 2, 3, 4, 5, 6, 7 week after planting and without inoculation were respectively 0,85; 0,77; 0,73; 0,49; 0,36; 0,31; and 0. The inoculation treatments at the age of 2, 3, and 4 week after planting were highly vulnerable to be infected by BCMV and caused the symptoms of severe mosaic, severe leaf malformations, and thickening of the bone leaves, whereas the inoculation treatments at the age of 5, 6, and 7 week after planting were resistant against BCMV disease with symptoms caused were moderate to mild, while the treatments without inoculation did not show any infection symptoms of BCMV.
Evaluasi Keseuaian Lahan Untuk Komoditi Perkebunan di Kelurahan Mandosawu Kecamatan Poco Ranaka Kabupaten Manggarai Timur RADEGUNDA AGUSTA JINOTRI; TATI BUDI KUSMIYARTI; I MADE MEGA
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

Evaluation of Land Suitability of Plantation Commodities in Mandosawu Village Poco Ranaka Sub-District, East Manggarai RegencyThe research aims to evaluate land suitabilty of plantation commodities in Mandosawu Village Poco Ranaka Sub-district. The commodities that are evaluated include cloves, robusta coffee and vanilla. Homogeneous land units based on the result of physiographic analysis and overlapped type of soil, land used and slopes. Evaluation of Land Suitability is a way to know the limiting factor in the research area. Land evaluation conducted by matching method between land characteristic/quality with growth requirement of plant evaluated. The actual land suitability assessment for the three plantation commodities was very appropriate (S1) until appropriate marginal (S3) with temperature, water available and nutrients available (P2O5) become dominant limiting factors. Improvement of land suitability class can be done with improvement effort except rainfall, soil texture, soil depth, moisture and temperature because it is a permanent divider. Fertilization and addition of organic matter can increase the class of land suitability from appropriate marginal (S3) to very appropriate (S1). Results of analysis are used to determine the land managament recommendations on research location. Nonetheless, these results suggested to be applied, for considerations of land conservation as well as farmers welfare.
Isolasi dan Karakterisasi Cendawan Mikoriza Arbuskular pada Tanah dan Akar Tanaman Jagung di Desa Sanur Kaja I WAYAN PRASTITA DIASTAMA; I GEDE KETUT SUSRAMA; I GEDE PUTU WIRAWAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Isolation and Characterization of Mycorrhizae Arbuskular Fungi in the Soil and Roots of Corn (Zea Mays L.) in the Sanur Kaja Village Mycorrhiza is an organism that is derived from the fungus that describes a form of symbiotic relationship between mutualisme functions with a high degree of plant roots. Benefits of mycorrhiza for plant growth and development as its host is to increase the absorption of nutrient elements of soils, as biological barrier against infection of root pathogen, enhancing the resilience of crops to drought and increasing hormone boosters grows.This research aims to identify a Arbuskular Mycorrhiza fungi isolated from corn plants rhizosphere in the village of Sanur Kaja. The results of this research show that the isolation and characterization of spores that develop on the roots of corn in the village of Sanur Kaja indicates a growing spores there is the genus Glomus sp. type of Spore that successfully identified a species of Glomus sp-1, Glomus sp-2, Glomus sp-3. Key words:Glomus sp, rhizosphere, symbiotic mutualisme
Pemantauan Populasi Imago Spodoptera litura dan Helicoverpa armigera Menggunakan Perangkap Seks Feromon GUSTI NGURAH GEDE DHARMA PUTRA PUTRA; I PUTU SUDIARTA; I PUTU DHARMA; KETUT SUMIARTHA; R. SRINIVASAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.1, Januari 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Monitoring of Imago of Spodoptera litura and Helicoverpa armigera Using Sex Pheromone Trap The utilization of sex pheromone to control insect pest is one of advance technology. The sex pheromone is one method to control insect pests for support food security. In other to know the ability of sex pheromone to trap insect the monitoring of insect using sex pheromone is needed. The lure of sex pheromone, glue, and box trap were imported from AVRDC-The World Vegetable Center. Sex pheromone trap is putted on the vegetable area in Bali, the locations including Sandan, Kembang Merta, Candi Kuning (Tabanan Regence) and Pancasari (Buleleng Regence). On each location trap was placed with two replications. Data collection was conducted every week, on 3rd week observation the imago/moth population is completely reduce. Therefore the trap was replaced for the new trap. That mean the observation was conducted 3 times per experiment (Observation 1,2,3). In this case the experiments were done 2 times (Experiment 1 and 2). The identification of imago was base on the morphological method. The imago was accounted for data collection. The decrease of population of Spodoptera litura and Helicoverpa armigera after 3 week observation is possible caused by the ability of pheromone active ingredient is also decrease. The distribution of imago S. litura and H. armigera are same for all locations. However the total population of S. litura and H. armigera is different. The population of S. litura was very high in all locations around 51-107. However the population of H. armigera was generally low except in Sandan Tabanan (70). In Pacasari the population of H. armigera was lowest around 14-15. The differentiation of imago S. litura and H. armigera were possible influenced by the host plant, altitude and also climate conditions. Key worlds: sex pheromone, Spodotera litura, Helicoverpa armigira
Monitoring Perubahan Lahan Sawah dan Alih Kepemilikan Lahan di Kecamatan Ubud Berbasis Remote Sensing dan GIS PUTU CANDRA LINDARI; NENGAH NETERA SUBADIYASA; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.2, April 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Monitoring Changes Of Paddy Fields and Land Ownership in Ubud District Using Remote Sensing and GIS Rapid development of tourism in district of Ubud has high impact on paddy field landuse change followed by changes of ownership of the land. This research aims to analyse the magnitude of the landuse change of the paddy field as well as changes in land ownership in Ubud from years of 2012 to 2017. The research was held on January 2017 until August 2017 in Ubud District with following stages, namely (a) the preparation of data, (b) a visual interpretation of satellite imagery, (c) on screen digitation, (d), (e) reinterpretation of changes paddy fields from 2012 and 2017, (f) the determination of the number of sample points, (g) surveys, (h) data analysis. The results showed changes in paddy field into non-agricultural land in the period of 2012-2017 as much as 260.86 ha and the highest changes on Ubud village as much as 127.14 ha. Land ownership in Ubud district is still majority owned by the local people originated from Ubud District. On the other hand, land ownership owned by local people who are not originated of Ubud District was in Petulu village, Mas village and Ubud Village. Indonesia citizen from Jakarta also owned land in the Ubud Village. Most of land are for rent and there are land for rent in cooperate with foreign citizens, such as villas located in the Ubud village.
Perbedaan Umur Panen terhadap Hasil dan Mutu Benih Tanaman Buncis (Phaseolus vulgaris L.) KADE LICANA LARASATI SURYAWAN; I GUSTI NGURAH RAKA; IDA AYU MAYUN; I KETUT ARSA WIJAYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.4, Oktober 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Difference in Harvest Age Against the Results and Quality of Seedlings of Beans(Phaseolus vulgaris L.) This study aims to determine the effect of seed age on the yield and quality of beans. This research is a one factor research with three different age of harvesttreatments are: harvest before physiological maturity 24 days after flower blooms,harvest at physiological maturity is 27 days after flower blooms, and harvest afterphysiological maturity is 30 days after flower bloom. This study used a randomizedblock design (RBD) with 9 replications. The observed variables included: thedevelopment of the seed wet weight, seed oven dry weight, seed moisture content, podand seed character, percentage of good seed, weight of 1000 seed grains, seedgermination, and seed growth simultaneity. The results showed that the pod harvesttime for the best seeds was carried out at the age of 27 days after the flowers bloomed. At that time the highest dry weight of the seeds and pods had changed color from greento yellowish green. At that time the seeds also showed maximum qualitycharacteristics, such as the percentage of good seeds (87.22%) and the weight of 1000seeds (91.34 g). Physiological characteristics of seed quality such as seed germinationcapacity of 99.78% and 88.78% simultaneity of seed growth were also obtained at thetime of pod harvest at 27 days after flower blooms.
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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