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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.
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Articles 10 Documents
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Search results for , issue "Vol.5, No.3, Juli 2016" : 10 Documents clear
Sistem Informasi Lahan Subak Berbasis Penginderaan Jauh Dan Sistem Informasi Geografi Di Kota Denpasar JEREMIA KEVIN RONIO HUTAURUK; INDAYATI LANYA; I WAYAN NUARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Information System of Subak Land on Remote Sensing and Geographic Information Systems in Denpasar CityThe aims of this research are: to produce the map of subak in Denpasar. to provide the information system of subak land on remote sensing and geographic information systems (GIS). To analyse the existing of subak with RTHK in RTRW Denpasar 2011-2031. Te method which used is satellite imagery Worldview analysis, field survey, the arrangement of resource database and analysis spasial data of subak compatibility with RTHK.The Result of research: subak map of Denpasar, land area subak map of Denpasar, table and graphic of relation analysis between land area of subak as the result of image digitation and land area of BPS. Subak research database in Arcview and overlay map of subak land with RTHK Denpasar. There is a significant relation between the land area of subak as the result of image digitation and land area of BPS. One of the factors is there is a different of changing until 100% caused by it was still attached the data of the land area of the East Peraupan Subak in BPS data about 15 ha while the information from Pekaseh, it has no field anymore since 1992. Therefore the amount of subak in Denpasar are 41 subak. The relation analysis between subak land and RTHK are the field which belongs to RTHK is about 1.198,25 ha, the largest is in East Denpasar (472,06 ha), the field that outside of RTHK is about 810,01 ha, the largest is in South Denpasar (251,86 ha), the field could be converted to the non agriculture land. The non field in RTHK is about 339,37 ha, the largest is in east Denpasar (167,74 ha).
Inisiasi Kalus Embriogenik Stroberi (Fragaria sp.) dengan Pemberian IBA (Indolebutyricacid) dan BAP (Benzylaminopurine) AGUNG WIDYA ANTASARI DEWI; IDA AYU PUTRI DARMAWATI; COKORDA GEDE ALIT SEMARAJAYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Initiation Of Embryogenic Callus Strawberries (Fragaria sp.) By Giving IBA (Indolebutyric Acid) and BAP (Benzylaminopurine)Micropropagation or multiplication method by vegetative that could produce seedling in the high number and in a short time, had the same character as its mains, with a progress that not depends on the weather.This research intend to find the effect of grow regulator IBA (Indolebutyric Acid) and BAP (Benzyl aminopurine) and to find the best combination on producing callus strawberry. This research done in Unit Pelaksanaan Teknis (UPT) kultur jaringan Program Study Agroekoteknologi, Faculty of Agriculture, Udayana University. The materials use by the base of strawberry leaf.Growth regulators IBA and BAP could grown a callus. Usage 0,5 ppm IBA + 0,5 ppm BAP is the most effective in deflexion. Relative fast in deflexion (2,6 days). Usage 1 ppm IBA + 1 ppm BAP is the most effective in expansion (6,3 days) but in 30 days mandating its not grown any callus.It require toned to study the sterilisasion method to minimize the contamination and browning in explants strawberry leaf and a tool that in use to do research more to get the right concentration with IBA and BAP combination to get the callus.
Identifikasi dan Karakterisasi Sumber Daya Genetik Tanaman Buah-buahan Lokal di Kabupaten Gianyar NI WAYAN PENI YULIAWATI; I WAYAN WIRAATMAJA; HESTIN YUSWANTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Identification and Characterization of Genetic Resources of Local Fruits in GianyarThe local fruits is every kinds of fruits are cultivated and developed by farmers in Bali, while the local fruit products is every types and derivative results which derived from fresh fruits or already processed. This study conducted with the aims to identify the types of genetic resources of local fruits in Gianyar, to compile the genetic resources of the local fruits based on the morphological characters and utilization, superior fruit, harvest seasons and the geographical map of the diversity distribution of the local fruits. This study was conducted in February-July 2015 throughout Sub-district in the Gianyar District, namely: Payangan, Tegallalang, Tampaksiring, Ubud, Blahbatuh, Gianyar and Sukawati. The study consists of three phases, namely; Secondary data collection, field surveys for the types of genetic resources and distribution, and identify of the morphological characters and agronomy, utilization, superior fruit, harvest seasons and the distribution map of the local fruits. The results of this study shown, was found 45 species and 41 sub species of fruits which are spread throughout Sub-districts, and the three of seeded commodities namely; Citrus, Mangoes and Papaya.
Kajian Potensi Dan Status Kerusakan Tanah Pada Lahan Pertanian di Kecamatan Denpasar Timur RISKA PUTRI RUKMANA; TATI BUDI KUSMIYARTI; TATIEK KUSMAWATI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Study of Potential and of Status Soil Degradation at Agriculture Land in East of Denpasar Sub-DistrictA study was aiming to evaluate soil degradation based on the Standard Criteria of Soil Degradation for Biomass Production under Indonesian Government Regulation No. 150 Year 2000 had done in East of Denpasar Sub-District on 2014. The study was conducted on February to July 2014, at 5 selected observation area. Selection of sampling area was done according to Stratified Purposive Sampling method. Evaluation of soil degradation was carried out as following :(1) to establish a threshold value of soil characteristics and eroded soil potential based on Standard Criteria of Soil (matching process), and (2) to determine the key factors of soil characteristics responsible for soil damage.The study results shows that: Soil condition in the entire East of Denpasar District area could be divided into two group i.e. not degraded at land unit T3 (45,35 ha) and slightly degraded at land unit T1 (248,31), land unit T2 (122,01 ha), land unit 4 (33,72 ha), and land unit 5 (19,28 ha), soil degradation caused by soil permeability.
Induksi Kalus Stroberi (Fragaria spp.) Melalui Aplikasi Asam 2,4-Diklorofenoksiasetat Secara in vitro GUSTI ARYA JELANTIK DWIPAYANA; HESTIN YUSWANTI; IDA AYU MAYUN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Induction of Strawberry callus (Fragaria sp.) Through Application of 2,4 dichlorophenoxy acetic acid in vitroThe study aims to know the concentration of 2,4 Dichlorophenoxy acetic acid for the growth of callus the strawberries. This study was conducted at laboratorium of tissue culture of agriculture faculty, Udayana on January until May 2015. The compiled using a Randomized Complete Block Design (RCBD) with five repetition and five level of treatment combination that is (D0,D1,D2,D3,D4,D5). If in the result found significant effect then followed up with duncan test 5%. Data that can not be analyzed tabulated and discussed descriptively.The result shows that treatment of D2 give best growth that it showed at percentage of highest deflection (54,765), fastest swelling (12,70 hst), highest swelling procentage (49,34%) and lowest browning procentage (43,05%). Beside that eksplan able to produce callus at D2 treatment with combination of MS media and by giving of 2,4 D 1 ppm.
Pengaruh Penyakit Virus Mosaik dan Kuning Terhadap Hasil Panen Tanaman Kacang Panjang (Vigna sinensis L.) Di Desa Perean, Baturiti, Tabanan NI NYOMAN ALIT PURWANINGSIH; NI MADE PUSPAWATI; I DEWA NYOMAN NYANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Influence Mosaic Diseases and Yellow to Long Bean (Vigna sinensis L.)Production at Perean Village, Baturiti, TabananThis study aims to determine how far the influence of viral infection with symptoms of mosaic and yellow against a decrease in crop yield long beans. This research consists of four activities are: 1. Determining the spread of disease areas; 2. Observation and data collection; 3. Calculation yields; and 4. Data analysis. Design used was a randomized block design (RBD) with three treatments and nine replications.Research result show that long bean plants in several locations in Perean village infected by BCMV which has mosaic symptoms and MYMV which has yellow symptoms. Percentage of mosaic virus symptoms is higher than yellow virus. The average of percentage of mosaic virus symptoms was 42,85%, while yellow virus was 32,70%. Plant beans with yellow virus symptoms causes the highest yield loss which amounted to 53,87% and plants with symptoms of mosaic virus by 43,02% when compared with healthy plants. Based on these studies it is necessary dissemination of information, about the importance of sanitation and the use of healthy seeds to controlling the long bean’s viral infection to related parties.
Pengaruh Pemberian Beberapa Formula Pupuk untuk Peningkatan Produksi dan Mutu Sawi Hijau (brassica juncea l.) di Tanah Inceptisol, Desa Pegok, Denpasar IRNAWATI PURBA; INDAYATI LANYA; A.A. NYOMAN SUPADMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Impact Of Several Fertilizer Formula For IncreaseTheProduction and Quality Of Green Mustard (Brassica juncea L.) in Inceptisol Soil, Pegok Village, DenpasarThis research aims to know the impact of several fertilizer formulas towards production and quality increase of green mustard in inceptisol soil, and the chemical characters of Pegok land. This research was conducted in September until December 2015 at the Experimental Garden Faculty of Agriculture, and Soil Laboratory and Environmental Sciences, Faculty of Agriculture, Udayana University. The experiment used Randomized Block Design (RBD) and the using analysis of variance (ANOVA) with program Costat. The parameter observed in this research was divided into three observations, they were the height of plants, the weight of fresh plants sample, the weight of fresh plants. The plants quality contains of chlorophil, water content and plants storability. The observartion of chemical characters of the plants encompasses pH, KTK, KB, nutrient content N-total, P- available, K-available, Ca, Mg, C-Organic, as well as soil electric conductivity. The result of statistical analysis shows that giving some fertilizer formulas has significant impact for all production and quality parameter namely leaf chlorophyll however does not give real impact towards water content and plants storability. The impact of giving some fertilizer formulasfor mineral fertilizer treatment increase the residual effect of several nutrient contents namely Ca, Mg, pH and highest DHL, whilst KTK, KB, C-organic and highest N-Total were obtained from the organic fertilizer treatment.
Uji Bioaktivitas Ekstrak Daun Zodea (Evodia suaveolensSheff)terhadap Hama Gudang Tribolium castaneum(Coleoptera: Tenebrionidae)Herbst. RIZKY RANDAL CAMERON; ARINAFRIL ARINAFRIL; MULAWARMAN MULAWARMAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Bioactivity Test of Zodea Leaf Extract (Evodia suaveolens Sheff) on Red Flour Beetle Tribolium castaneum(Coleoptera: Tenebrionidae)Herbst.The study bioactivy of zodea leaf extract on red flourbeetlewas conducted in Laboratory of Entomology, Plant Pest And Disease Department, Faculty of Agriculture, Sriwijaya Universityfrom June to September 2014.E. suaveolensis a native plant from Papua that very well-known as mosquito repellent. The experiment aimed to determined level of repellent various extract concentrations of zodea leaf extract and mortality on T. castaneum. Completely Randomized Design was used in this study with six treatments and four replicates. Concentrations used were 0%, 32,78%, 36,88%, 40,98%, 45,07% dan 49,17% which were obtained from preliminary test results and further more, the result was analyzed by probit analyzed method to determined concentrations would be used. LC50 value was 40,98% and ± 10%. The results was the best treatment on 45,78% with 96,2% and classified very strong repellent index. The lowest repellent index was 32,78% with 89,2% and classified strong repellent index. The highest Mortality of T.castaneumon 40,07% with 17,5% mortality dan the lowest mortality on 0% and 36,88% with no T. castaneum died. LC50 was 87,018%. We could conclude that E. suaveolenspossessed very strong repellent index on T. castaneum, but not effetive to kill T.castaneum.
Identifikasi Morfologi, KarakterAgronomi, dan Fenologi Tanaman Gonda (Sphenoclea zeylanica Gaertn) di Kabupaten Tabanan I WAYAN JUNARTA; I GUSTI ALIT GUNADI; NI LUH MADE PRADNYAWATHI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Identification of Morphology, Agronomic Characters, and Phenology of Gonda Plant (Sphenoclea zeylanica Gaertn) in Tabanan Regency This study aims to determine the morphology, agronomic characters and phenology of Gonda plant, conducted from November 2014 - February 2015 in Tabanan. Observations conducted to obtain information of Gonda’s cultivars, regional spread, way of cultivation, and environmental conditions. The results showed that there were two cultivars of gonda, i.e. : Gonda Jagoan and Gonda Bali. Based on morphological characters, roots similar to thread, herbaceous trunked, oval – lanceolate leaves, and fascicle flower shaped. Based on agronomiccharacters, crop consumptive was done 18-20 days after transplanting with 26,13 – 58,01 g fresh weight / plant and 3,11 – 6,45 g dry weight / plant. Phenology were beginning with germination at 1-30 days after sowing seeds, flowering was 10-20 days after transplantingand senescenswas 30-50 days after transplanting.
Uji Kualitas Tanah Dan Arahan Pengelolaannya Pada Budidaya Padi Sawah Di Subak Jatiluwih, Penebel, Tabanan PUTU EKA CAHYADEWI; I WAYAN DIARA; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.3, Juli 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Soil Quality Test and Its Management Directives on Rice Cultivation in Subak Jatiluwih, Penebel, TabananThe purpose of the study was to determine the quality of the soil and the management directives for rice cultivation at the research site. This study used survey methods and soil tests in the Laboratory of Soil Science and Environment. It consists of several stages of survey management of the system by the farmers, the analysis of the soil followed by the determination of the quality of the soil and the direction of management. The result showed that land in the research site has good and medium soil quality. The location which has good qualities was in sample IV, the medium quality was in sample I, II, III, V and VI. The management directives which were recommended for the medium soil quality were the improvement of soil management system. The processor which was recommended in this research was using tractors and livestock. The recommended types of plants were the local and new rice varieties. The recommended straw management was embedded back into the ground. The use of fertilizer which was recommended was the use of urea and SP-36 fertilizers. The recommended land use intensity cropping twice a year.

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