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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 13 Documents
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Search results for , issue "Vol.11, No.1, Januari 2022" : 13 Documents clear
Halaman Depan JAT Vol. 11, No. 1, Januari 2022 Pengelola JAT
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Halaman Depan JAT Vol. 11, No. 1, Januari 2022
Analisis Spasial Koefisian Limpasan Permukaan untuk Estimasi Luapan Banjir di DAS Tukad Buleleng Provinsi Bali ANGGIA WIDYA FATAHILLAH; R. SUYARTO; WIYANTI WIYANTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Spatial Analysis of Surface Runoff Coefficient for Estimating Flood Overflow in Tukad Buleleng Watershed Bali Province Land-use change of high-density vegetation, into agricultural land and built-up land in the upstream area can affect the hydrological function of the watershed. Such conditions are increasingly fatal, with high rainfall, causing a high coefficient of surface runoff. High surface runoff can cause overflow floods in watersheds, one of which is in the Tukad Buleleng watershed, Bali Province. The implication of high surface runoff is flooding in the downstream area of the watershed, thus having a detrimental impact on communities in the downstream area of the watershed. This study aims to analyze the spatial distribution of the surface runoff coefficient. Analysis of the coefficient of surface runoff using the Cook method, by utilizing spatial data of slope, land use, and soil texture. Data analysis technique using Geographic Information System (GIS) on ArcGIS 10.4 software. The results showed that the Tukad Buleleng watershed has a low to extreme runoff coefficient. The high value of the coefficient of surface runoff is due to high rainfall, steep slopes, texture dominated by clay fractions, and land use with low vegetation density. The high surface runoff coefficient value has an impact on the flood overflow in the Tukad Buleleng watershed, Bali Province.
Uji Efektivitas Pemberian Air Kelapa dan Ekstrak Tomat pada Media Modifikasi terhadap Pertumbuhan Planlet Anggrek Hitam (Coelogyne pandurata) Secara In Vitro SISMAWANTI DAYU MALINDA; HESTIN YUSWANTI; I PUTU DHARMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effectiveness Test of Coconut Water and Tomato Extract on Modified Media for Growth of Black Orchid (C. Pandurata) In Vitro Plantlet growth in tissue culture is influenced by many factors, one of which is exogenous growth regulators applied to the media. The purpose of this study was to determine the effect of coconut water and tomato extract on modified media on the growth of C. pandurata plantlets. The research was carried out at the Ecophysiology Laboratory, Faculty of Agriculture, Udayana University, from January 2019 to April 2019. The study used a completely randomized design consisting of two factors, namely tomato extract and coconut water. The treatment consisted of 4 levels, 0 m/L, 100 ml/L, 150ml/L, 200ml/L, 16 treatment combinations were obtained with 3 replications. The results showed that the 100ml/l tomato extract treatment gave the highest increase in plantlet height, root length, number of roots, wet weight and dry weight. The 150ml/l tomato extract treatment gave the most increase in the number of leaves. Giving 150ml/l of coconut water gave the highest number of roots compared to other treatments. The interaction between of tomato extract and coconut water had no significant effect on all observed parameters.
Studi Pengaruh Perbedaan Media Simpan Entres terhadap Keberhasilan Grafting Wani Ngumpen Bali (Mangifera caesia Jack. Var. Ngumpen Bali) NYOMAN WISNU RAHADI; NI LUH MADE PRADNYAWATHI; NI NYOMAN ARI MAYADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Study of Differences in Entres Saving Media on the Success of Grafting Wani Ngumpen Bali (Mangifera caesia Jack.Var. Ngumpen Bali) Wani (Mangifera caesia Jack.) is a local fruit plant that has a fairly high diversity of 22 cultivars in all wani production centers in Bali. One of the cultivars, namely Wani Ngumpen Bali, has the advantage of producing fruit that does not contain seeds as much as 90% of the total fruit. Due to constraints in generative seed production, wani are propagated vegetatively by means of grafting. Due to the limited time and the number of grafted seedlings, efforts are needed to maintain the freshness of the shoots through storage. The purpose of this study was to determine the best entres storage media for female grafting. This experiment used a Randomized Block Design (RAK), with five treatments, namely no media, sawdust, wet newspaper, wet cloth, and banana fronds. Each treatment was repeated five times and each unit consisted of three plants so that there were 75 experimental units. The data obtained were analyzed descriptively. The treatment of various storage media gave different responses to the success rate of grafting of Wani Ngumpen Bali plants. The best media for storing buds was wet newsprint with a success rate of 26.6% of live seedlings, supported by the number of leaves as many as 15 parameters.
Induksi Tunas Tanaman Cendana (Santalum album L.) dengan Perlakuan GA3 secara In Vitro EKA CHRISTY WAKANNO; RINDANG DWIYANI; ANAK AGUNG MADE ASTININGSIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Shoot Induction of Sandalwood (Santalum album L.) With GA3 Treatment In Vitro Sandalwood (Santalum album L.) is a woody plant with high economic value whose population is decreasing due to overexploitation. Propagation of sandalwood generatively and conventionally has been carried out but the success rate is still low due to the difficulty of obtaining quality adult individuals. This study aims to find the best concentration of GA3 in inducing sandalwood shoots in vitro. This research used Completely Randomized Design with 5 levels of treatment concentration of GA3 hormone, E0: WPM without GA3 (control), E1: WPM + 1 ppm GA3, E2: WPM + 2 ppm GA3, E3: WPM + 3 ppm GA3, E4: WPM + 4 ppm GA3. The results showed that the addition of GA3 concentration succeeded in inducing sandalwood shoots. The best 1 ppm GA3 for the variable when the fastest shoots were formed, which was 2.6 (DAT), and the variable number of shoots was (10). The best GA3 concentration of 2 ppm was on the number of explants that grew shoots (2.4), the percentage of explants sprouted (0.2%) and shoot length (1cm). GA3 1 ppm and 2 ppm succeeded in growing leaves.
Pengaruh Variasi Waktu Inkubasi dengan Penambahan Paya Meat Tenderizer pada Proses Dekafeinasi Kopi Arabika (Coffea arabica L.) DEWA AYU RATIH; MADE SRITAMIN; I GEDE PUTU WIRAWAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Effect of Incubation Time Variation with The Addition of Paya Meat Tenderizer in the Arabica Coffee Decaffeination Process (Coffea arabica L.) High levels of caffeine lead to insomnia and increased blood pressure. Decaffeination is a solution to reduce the caffeine with enzymatic method with papain coarse extract PAYA Meat Tenderizer contains proteolytic activity of 1,0593 units/g. The study aims to find out the effect of arabica coffee incubation time with the addition of the enzyme papain PAYA Meat Tenderizer. The study looked at protein levels (Kjeldahl), caffeine levels (UV-Vis spectrophotometry) and organoleptic tests. The design used is Complete Random Design (RAL) 4 incubation time treatment i.e. B0 (0 hours); B1 (12 hours); B2 (24 hours) and B3 (36 hours). The results showed a very real influential treatment of all observed variables. B2 (24-hour incubation) lowers caffeine levels by 0,006%. A 0,12% decrease in protein levels occurred in 36-hour incubation. The highest results on organoleptic tests of aroma, viscosity and bitter taste parameters were obtained control samples (B0) and 36-hour (B3).
Pengaruh Media Tanam terhadap Pertumbuhan Bibit Pisang Cavendish (Musa cavendishii Lamb.) Asal Kultur Jaringan PAULA TIBURSIANA LOLI TENTI; GEDE WIJANA; NI LUH MADE PRADNYAWATHI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Effect of Planting Media on Growth of Cavendish Banana Seedlings (Musa Cavendishii Lamb.) from Tissue Culture Good quality planting media is needed in plant cultivation. By obtaining the right planting media can support and increase the growth and yield of plants. This study aims to determine the effect of planting media on the growth of Cavendish banana seedlings from tissue culture and to find the best growing media for Cavendish banana seedlings from tissue culture. The research was carried out from December 2019-March 2020 at the Experimental Garden of the Faculty of Agriculture, Udayana University, Jalan Pulau Moyo, Pedungan, South Denpasar District, Denpasar City. The study used a single factor randomized block design consisting of 4 treatments, namely soil, soil + rice husk, soil + husk charcoal and soil + rice husk + husk charcoal. The results showed that the planting medium had a very significant effect on the number of leaves variable, had a significant effect on root length and had no significant effect on seedling height, stem diameter, leaf chlorophyll, leaf area, number of roots, root fresh weight, crown fresh weight and total fresh weight. seeds. The best planting media mix for the growth of banana seedlings was a mixture of soil + rice husk + husk charcoal planting media with a higher value than soil planting media as control, soil + rice husk and soil + husk charcoal.
Studi Penyimpanan Entres Wani Ngumpen Bali (Mangifera caesia Jack var. Ngumpen Bali) terhadap Keberhasilan Grafting ANAK AGUNG NGURAH DHARMA SEPUTRA; IDA AYU PUTRI DARMAWATI; A.A. MADE ASTININGSIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Study on Entres Storage of Wani Ngumpen Bali (Mangifera caesia Jack var. Ngumpen Bali) On Success of Grafting Wani Ngumpen Bali (Mangifera caesia Jack var. Ngumpen Bali) is one of tropical fruit which belongs to genius mangifera. The obstacle that are often faced in propagation of Wani Ngumpen Bali by grafting are the long distance between the mother plant and the nursery location, so it takes time to be grafted. The purpose of this research is to study the scion storage of Wani Ngumpen Bali on success of grafting. The research start from February to April 2021, located in Sudaji Village, Sawan District, Buleleng Regency, Bali. The experimental design used was a randomized block design with a single factor. The factor studied was the length of storage of scion which consisted of 7 levels, namely scion were not stored, scion were stored for 1, 2, 3, 4, 5 and 6 days. The treatment was repeated 4 times with each treatment using 2 plants, so there were 56 experimental units. Parameter observed were the percentage of grafting successfulness, shoot length, and number of leaves formed. The results showed that the grafts that were directly connected had the highest percentage of live connections of 62.5%, followed by those that were stored for one day had a percentage of 50.0% then those that had a two-day shelf life had a percentage of 37.5%. Entres with a shelf life of three to six days failed to grow with a percentage of 0%.
Evaluasi Status Kesuburan Tanah untuk Arahan Pengelolaan Kesuburan Tanah di Desa Pajahan, Kecamatan Pupuan, Kabupaten Tabanan FRISKA SUSIANTI; I DEWA MADE ARTHAGAMA; A.A. NYOMAN SUPADMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Evaluation of Soil Fertility Status for Soil Fertility Local Recommendation at Pajahan Village, Pupuan District of Tabanan Regency Agricultural lands plays an important role in providing human needs for foods. Agricultural lands can provide an optimal agricultural products if its have a good fertility status. This study aims to determine status of soil fertility at Pajahan Village, its whereabouts, the factors that affect soil fertility, and given local recommendations for soil fertility management at Pajahan Village. This study used soil survey and soil analysis methods with parameters of soil fertility status, namely Cation Exchange Capacity (CEC), Base Saturation (BS), C-organic, total-P and total-K based on the Technical Instructions for Evaluation of Soil Fertility (PPT, 1995). Analysis of total- N and pH content were also carried out as supporting data. The results showed that Pajahan Village has two classes of soil fertility status, namely medium (L2, L3, L4) and high status (L1). The limiting factor for soil fertility status at Pajahan Village is total-P content of L2, L3, and L4. Local recommendations for soil fertility management at Pajahan Village is giving a addition of P fertilizer, N fertilizer and also addition of organic fertilizer.
Aplikasi Sistem Informasi Geografis untuk Pemetaan Potensi Banjir pada DAS Banyualit di Kabupaten Banyuwangi, Jawa Timur DICKY ARDIYAN NUGROHO PUTRA; WIYANTI WIYANTI; R. SUYARTO
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.1, Januari 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Geographical Information System Application for Flood Potention Mapping in Banyualit Watershed, Banyuwangi Regency, East Java The Banyualit Watershed has an area of 25 km2, through 5 sub-districts consisting of 15 villages from upstream to downstream. Banyualit watershed has varied physical conditions, causing the potential for scattered floods to have different levels. The use of space that is not accordance with the carrying capacity of the environment as a result of land conversion and changes in the morphology of the watershed are getting narrower causing the flow of water to overflow into residential areas, plantations and rice fields in the event of heavy rains with a high enough intensity. The purpose of this study was to determine the distribution of flood potential levels along with the spatial distribution of flood potential in Banyualit watershed. The method used in this study is a scoring with six parameters, land use, slope, altitude, soil type, rainfall and river density. Each parameter has weight and score based on the size of the effect on flooding. The level of distribution of flood potential in Banyualit watershed is divided into four classes of flood potential, very low potential with an area of 21.57 ha (1%), low potential with an area of 466.33 ha (19%), medium potential with an area of 1.812.41 ha (71%) and high potential with an area of 224.44 ha (9%).

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