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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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Evaluasi Status Kesuburan Tanah Sawah Berbasis Sistem Informasi Geografis di Kecamatan Negara Kabupaten Jembrana PEDRO BARUS; I DEWA MADE ARTHAGAMA; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Rice Field Fertility Status Based on Geographical Information System in Negara District, Jembrana Regency Lowland rice production at Negara District in 2014 was 6.89 tons/ha and in 2015 decreased to 6.67 tons/ha. This is thought to be due to the reduced ability of the land to support the agricultural production process. The purpose of this study was to determine the status of soil fertility and the parameters of the limiting factors of soil fertility, to make a map of the status of soil fertility, and to provide direction for the management of soil fertility. This research was conducted from December 2021 – March 2022. The methods used in this study included survey and soil test methods with parameters of fertility status including: CEC; BS; organic C; total P and total K. The results showed two soil fertility statuses in the study area, namely low in HLU I (Pengembengan Village, West Tegal Badeng, East Badeng Tegal, Baluk, Banyubiru, Kaliakah, Lelateng, Bale Agung Baler) and HLU II (Pengambengan Village, East Tegal Badeng, Banyubiru, Lelateng) and moderate soil fertility in HLU III (Kaliakah Village, Berangbang, Bale Agung Baler) and HLU IV (Kaliakah Village, Berangbang, Bale Agung Village). The limiting factors for soil fertility status were CEC and moderate K2O content and low organic C content. The direction of soil fertility management is the addition of organic matter and K fertilizer to improve soil fertility status.
Pengaruh Konsentrasi dan Lama Perendaman H2SO4 terhadap Pematahan Dormansi Benih Kopi Arabika (Coffea arabica L.) Varietas Kopyol NOVIAN NAFI BINARHT; IDA AYU MAYUN; I NYOMAN GEDE ASTAWA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Effect of H2SO4 Concentration and Soaking Time On Dormancy Breaking of Arabica Coffee (Coffea arabica L.) Kopyol Varieties This study aims to determine the effect of H2SO4 concentration and soaking time on breaking the dormancy of Kopyol Arabica coffee. The experimental design used was a factorial randomized block design with two factors. The first factor is the concentration of H2SO4, which consists of four levels, namely 0%, 10%, 20% and 30%, while the second factor is the immersion time, which consists of three levels, namely 10 minutes, 20 minutes and 30 minutes. The research was conducted at Mengani Village, Kintamani District, Bangli Regency, from August 2021 to October 2021. The results showed the interaction of H2SO4 concentration treatment and immersion time had a significant effect on the germination variable (%), maximum growth potential (%), dormancy intensity (%) and synchronous growth (%) and had no significant effect on the growth speed (%/etmal) variable. The best treatment for accelerating the breaking of dormancy is the treatment with 20% H2SO4 concentration and 20 minutes of soaking time, which breaks dormancy at 25 days after sowing and has a germination value of 91.11%, a maximum growth potential of 97.78%, a dormancy intensity of 2.22% and synchronous growth of 86.67% compared to the control, which broke dormancy at 35 days after sowing and had a germination value of 57.78%, a maximum growth potential of 64.44%, a dormancy intensity of 35.56% and synchronous growth of 53.33%.
Halaman Depan JAT Vol. 10, No. 3, Juli 2021 Pengelola JAT
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Halaman Depan JAT Vol. 10, No. 3, Juli 2021
Analisis Faktor Prioritas Daerah Resapan Air di Kota Denpasar Provinsi Bali NI PUTU UTARI HANDAYANI; NI MADE TRIGUNASIH; PUTU PERDANA KUSUMA WIGUNA; I WAYAN SEDANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Analysis Priority Factor of Water Catchment Area in Denpasar City Bali Province Denpasar City as the capital city and one of the tourism centers in Bali Province is experiencing an increasing need for residential land use, because Denpasar City has a fairly large population. This causes a reduction in the water catchment area, so that most of the water becomes runoff. Determination of water catchment areas in all areas using the same factors, namely, soil type, rainfall, slope, and land use. However, each factor will be influenced by environmental conditions which cause each factor to have a different priority value. Therefore, it is necessary to study the priority factors of water catchment areas in Denpasar City. This research was conducted from September to December 2021. The purpose of this study was to determine the determinants of water catchment areas in Denpasar City and the priority value of each factor. This study utilizes spatial technology, namely Geographic Information Systems (GIS) which uses the Spatial Multi Criteria Evaluation (SMCE) to determine the weight and priority value of the determinants of water catchment areas. This research produces an output in the form of a map of each of the determinants of water catchment areas. The results showed that the soil type factor became the first priority, the rainfall factor became the second priority, the land use factor became the third priority, and the slope factor became the last priority.
Tingkat Kerentanan Berbagai Umur Tanaman Melon (Cucumis melo L.) terhadap Infeksi Potyvirus I KADEK ARYARTHA; TRISNA AGUNG PHABIOLA; GUSTI NGURAH ALIT SUSANTA WIRYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Susceptibility Levels of Various Ages of Melon Plants (Cucumis melo L.) Against Potyvirus Infection Domestic melon production has not been able to fulfill the community. Pest disruption is one of the main causes of declining melon production so that the community's demand for melons is not fulfilled. Potyvirus is a virus that is often found in melon plants in Bali, but information about the development of this disease is very limited. This study aims to determine the effect of time on the rate of Potyvirus infection in melon (Cucumis melo L.) plants. The steps taken in this study were preparing plants, inoculating Potyvirus in plants, observing disease progression and conducting research in the laboratory using the RT-PCR (Reverse Transcription Polymerase Chain Reaction) test. The results showed that the younger the melon plants infected by Potyvirus, the faster the rate of infection and the more severe the symptoms caused. The rate of infection in plants treated with inoculation at the age of 2, 3, 4, 5, 6, 7 weeks after planting and without inoculation treatment was 0.96 respectively; 0.60; 0.53; 0.41; 0.30; 0.18 and 0. Melon plants with inoculation treatment of 2, 3 and 4 weeks after planting were very susceptible to Potyvirus infection, which showed signs of severe mosaicism and severe malformations. Melon plants with inoculation treatment 5, 6 and 7 weeks after planting were more resistant to Potyvirus infection, namely showing moderate mosaic symptoms and mild mosaicism, while plants that were not given inoculation treatment showed no symptoms. Detection of Potyvirus using the RT-PCR method using primers (CI-FOR / CI-REV) successfully amplified Potyvirus fragments in the presence of base bands measuring ±683 bp in samples A, B, C, D, E, and F.
Evaluasi Kesesuaian Lahan Beberapa Tanaman Pangan pada Lahan Sawah Berbasis Sistem Informasi Geografis di Kecamatan Baturiti DJIAN NILAM SARI; NI MADE TRIGUNASIH; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Land Suitability Evaluation of Several Food Crops on Rice Fields Based on Geographic Information System in Baturiti Sub-District The need for land will continue to increase along with the growth of the population which increases every year. The results of the land evaluation will provide information and/or directions for land use as needed. This study aims to determine the level of land suitability for the development of food crops, the limiting factors that become obstacles and efforts to improve it, and determine the direction of land use according to its potential. The research was conducted in Baturiti Sub-District. This research used survey methods and soil sample analysis in the laboratory. The land suitability classification method is carried out by matching. The results showed that the actual land suitability for food crops in Baturiti Sub-District was classified as S1 (very suitable) to S3 (marginally suitable), with the limiting factors of temperature, rainfall, and nutrient avaibility (N-Total and P2O5). Improvements that can be made to the limiting factors include making drainage channels, fertilizing with organic fertilizers and containing N and P elements, so that the potential land suitability classified as S1 (very suitable) to S2 (moderate suitable) with a temperature limiting factor. Land use directions for food crops commodities in Baturiti Sub-District are paddy, corn, and soybean.
Pemetaan Daya Tarik Wisata dan Fasilitas Penunjang Pariwisata Berbasis Geography Information System di Desa Belimbing, Tabanan-Bali LUH GEDE PINA ADI PRASTUTI; I KETUT SARDIANA; TATI BUDI KUSMIYARTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Mapping of Tourist Attractions and Geograpyh Information System Based Tourism Support Facilities in Belimbing Village, Tabanan-Bali Belimbing Village has potential that can be used as a tourist area, but the development of tourism potential has not been maximized, a lack of utilization, development of natural resources so that it has not been able to provide economic benefits for the community. The purpose of this study was to take an inventory, identify, determine the level of feasibility, and prepare directions for the development of natural potential in Belimbing Village into a tourist area by utilizing the Geography Information System (GIS) application. The method used in this research is the spatial analysis based on attractiveness, supporting facilities, and supporting facilities. Results of spatial data processing and field survey show that Belimbing Village has 3 natural tourism potentials and 1 cultural/religious tourism potential.
Halaman Depan JAT Vol. 11, No. 2, April 2022 Pengelola JAT
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Halaman Depan JAT Vol. 11, No. 2, April 2022
Analisis Spasial Faktor Prioritas Daerah Rawan Banjir di Kota Denpasar Provinsi Bali DEWA AYU CHYNTIA ANGELINA; NI MADE TRIGUNASIH; PUTU PERDANA KUSUMA WIGUNA; I WAYAN SEDANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.2, April 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Analysis Priority Factors of Flood Prone Areas in Denpasar City Bali Province Floods are caused by the low infiltration capacity of the soil and the overflow of surface water (runoff) due to the long duration of rain and the high intensity of rainfall so that it cannot accommodate the accumulation of rainwater. Denpasar City is one of the cities in Bali Province where floods often cause losses in terms of material and physical environment. The determinants of flood susceptibility use the same factors, namely rainfall, soil type, land use, slope, and elevation but are influenced by environmental conditions so that the priority value of each factor is different. Therefore, there is a need for a research of the priority factors of flood-prone areas in Denpasar City. The purpose of the research was to determine the determinants of flood vulnerability and priority factors for flood prone areas in Denpasar City using Spatial Multi Criteria Evaluation. This research was carried out in Denpasar City from August to December 2021. The method used was Spatial Multi Criteria Evaluation for weighting and determining priority values ??for determining flood susceptibility through Geographic Information System applications. This research produces an output in the form of a map of each of the determinants of flood vulnerability in Denpasar City. The results showed that the rainfall factor was the first priority, the land use factor was the second priority, the soil type factor was the third priority, the slope factor was the fourth priority, and the altitude factor was the last priority.
Efektivitas Beberapa Fungisida Sintetis Terhadap Pertumbuhan Patogen Penyakit Kudis (Diaporthe phaseolorum C.&E.) pada Tanaman Jeruk Siam (Citrus nobilis L.) I PUTU MAHA DARMA NATHA; I MADE SUDANA; I DEWA PUTU SINGARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Effectiveness of Some Synthetic Fungicides to Scabies Disease Pathogen (Diaporthe phaseolorum C.&E.) Growth on Siam Orange Fruit (Citrus nobilis L.) Siam orange is one of the main commodities produced in Payangan District, Gianyar, Bali. Unfortunately, the Siam orange is often attacked by scabies. This disease is named scabies because it produces scab-like lesions that develop mainly on the skin of the fruit. Scabies is caused by the fungus Diaporthe phaseolorum. In order to increase the production of Siam oranges in Payangan, it is necessary to control this pathogen. The purpose of this study was to determine the effectiveness of synthetic fungicides in controlling scabies in Siam orange fruit and to determine the most effective synthetic fungicides to use. This research was conducted in a citrus orchard in Kerta Village, Payangan District, Gianyar, Bali. PS3 treatment Mankozeb + Mefenoxam, was the most effective in suppressing the growth of scabies in Siam oranges. The average PS3 is the smallest in the percentage of disease per tree, which is 70%, followed by the average fruit diameter of PS3 which produces the largest fruit, which is 19.25 cm, as well as the average intensity of PS3 disease is the smallest, which is 24.63%. The results of observations carried out showed that the administration of synthetic fungicides was effective in suppressing the growth of pathogens that cause scabies in Siam oranges in Payangan, especially the synthetic fungicide Mankozeb + Mefenoxam.

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