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Analisis Fitokimia dan Aktivitas Antioksidan Daun Kopi Arabika (Coffea arbica) Asal Desa Catur dan Kopi Robusta (Coffea canephora) Asal Desa Petang Novayolla, Alsha Nurftatmelia; Wirawan, I Gede Putu; Wijaya, I Nyoman
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p10

Phytochemical Content Identification and Antioxidant Activity Test of Arabica Coffee Leaves (Coffea arabica) in the Catur Village and Robusta Coffee Leaves (Coffea canephora) in the Petang Village. Coffee is considered one of valuable crops commodity, and its cultivation generates waste in the form of coffee leaves. Indeed, it is necessary to make use of this waste for the better Environment, in this case, researchers took the sample of arabica leaves in Catur village and the sample of robusta leaves in Petang village. Researchers conducted a study to identify compounds and determine the antioxidant activity of arabica coffee leaves (Coffea arabica) and robusta coffee leaves (Coffea canephora). The researchers employed GC-MS and for phytochemical analysis and the DPPH method to evaluate antioxidant activity. The results revealed that the viscous extract of both arabica and robusta coffee leaves contained Caffeine as the most prominent compound. Caffeine is known for its stimulating effect on the central nervous system and anti-inflammatory. In the viscous extract of arabica coffee leaves contained 48 substances and the viscous extract of robusta coffee leaves contained 9 substances were identified with a qual >90. The IC50 value for the viscous extract of arabica coffee leaves was measured at 91,837 ppm, indicating a strong-class antioxidant activity. In contrast, the IC50 value for the viscous extract of robusta coffee leaves was 120,972 ppm, representing a medium-class antioxidant activity.

Pengaruh Jenis Mulsa Organik terdahap Pertumbuhan dan Hasil Tanaman Kacang Tanah Diputra, I Made Martana; Rai, I Nyoman; Santosa, I Gusti Ngurah
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p09

The Effect of Organic Mulch Types on Growth and Production of Ground Peanuts. The condition of agricultural land in Bali which is starting to decrease due to the conversion of land to non-agricultural purposes has resulted in land optimization being urgently needed so that food needs can still be fulfilled. Land optimization can be carried out on potential dry lands and which have not been widely developed. In Bali, Subak Abian is an area to develop agriculture in dry land but mostly to obtain perennial plants produce so there are no many annual plants are cultivated. Based on this, to meet the needs of food diversification can be carried out by optimizing the dry land, introducing ground peanuts as annual crop and using the application of mulch as an alternative method of overcoming water problems in dry land. This research was conducted with the aim of knowing the effect of applying organic mulch on growth and yield ground peanuts in dry lands. This research was conducted at Subak Abian Tirta Taman Sari Tanah Ayu, Sibang Gede Village, Abiansemal District, Badung Regency, Bali and several variables were carried out at the Laboratory of Agronomy and Horticulture and Soil Environment Science, Faculty of Agriculture, Udayana University. This study used randomized block design with organic mulch treatment consisting of three levels, M0, M1, M2. The results showed ground peanuts on the M2 treatment significantly gave the highest yield to the variable number of pods (17,61 pods), fresh stover weight (194,72 g) and dry stover weight (46,62 g).

Respon Pertumbuhan dan Hasil Terung Ungu (Solanum melongena L.) pada Konsentrasi dan Interval Waktu Pemberian Air Kelapa Anandamurti, I Wayan Krisnayogi; Wijana, Gede; Astawa, I Nyoman Gede
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Growth Response and Yield of Purple Eggplant (Solanum melongena L.) on Concentration and Time Interval Giving Coconut Water. The production of purple eggplant (Solanum melongena L.) which is still quite low can be overcome by the use of growth regulators in plant cultivation activities. This study aims to determine the effect of giving coconut water concentration and time intervals to increase the growth and yield of purple eggplant. This study used a factorial Randomized Block Design with 2 factors; first factor: concentration of coconut water 0%, 15%, 25%, and 35%; second factor: time interval of giving coconut water once every 4, 5, 6, and 7 days; with 3 repetitions. The observed variables are; Plant height (cm), Number of leaves (pc), Leaf area (mm2), Leaf chlorophyll, At the time of flower emergence (dap), Number of fruit per plant (pc), Fruit weight per plant (g), Fruit length (cm), Diameter of fruit (mm), Weight of fruit per fruit (g), Oven dry weight of fruit (g), Fresh weight of stover (g), Dry weight of stover (g). The results showed that the concentration and interval of administration of coconut water had a very significant interaction on flowering age and significantly on fruit diameter and fruit weight per fruit in the combination treatment which consisted of 15% coconut water and was given once every 5 days; giving coconut water has a very significant effect on plant height (71.17 cm), number of leaves (25.33 strands), and fruit oven dry weight (1.09 g), where the best treatment is by giving 15% coconut water; the timing of administration of coconut water had a very significant effect on fresh weight of stover (335.92 g) once every 6 days and had a significant effect on fruit oven dry weight (8.50 g) once every 4 days.

Pengaruh Suhu Awal Air dan Lama Perendaman terhadap Viabilitas dan Vigoritas Benih Bunga Gumitir (Tagetes erecta L.) Dewi, Ni Putu Elvina Kusuma; Wijana, Gede; Darmawati, Ida Ayu Putri
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p02

The effect of the Initial Temperature of the Water and the soaking time on Viability and Vigority of Marigold Flower Seeds (Tagetes erecta L.). Marigold is a floral ornamental plant, which is potentially marketed in Indonesia especially in Bali. Marigold is multiplied through seeds, so the quality of seeds is highly observed. An uneven flare and a low flare power can affect the growth of marigold. This research aims to find out the initial temperature, the soaking time and interaction influences the viability and vigor of the flower seed. The research began in August-October 2023, which is located at the Laboratory of Plant ?reeding and Seed Technology, Agroecology Studies Program, Faculty of Agriculture University of Udayana. This research used a Completely Randomized Factorial Design, namely the initial temperature treatment consisted of 3 levels (30?, 40?, 50?), and the soaking time consisted of 4 levels (30, 60, 90 and 120) minutes. The results of the study showed a significant interaction influencing the viability and vigor of marigold seeds, where the initial temperature of 40°C with 30 minutes of immersion is the best interaction, with germination percentage (86%), maximum potential growth rate (92%), simultaneous growth (75.33%), the percentage growth rate (11.61%/etmal) and seed vigor indeks (5199,47).

Analisis Spasial Pengembangan Daya Tarik Wisata Berbasis Sistem Informasi Geografis di Desa Manikyang Kecamatan Selemadeg Kabupaten Tabanan Siddiqoh, Fiki Aisyah; Sardiana, I Ketut; Adi, I Gusti Putu Ratna
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Spatial Analysis of the Development of Tourist Attractions Based on Geography Information System in Manikyang Village Selemadeg District Tabanan Regency. Tourist attraction is everything that has a unique attraction, interesting, high value, which can be the reason tourists in visiting a location. Manikyang village has unmanaged tourism potential, tourism potential development has not been maximized, lack of utilization, management of natural resources and human resources so it has not been able to provide economic benefits for the community. Based on these problems can be done the development of tourist attraction with spatial analysis based on Geographic Information System. The system performs tourist attraction analysis using spatial-based data and information. This study aims to identify the type and distribution of tourist attractions and analyze the direction of tourism attraction development in Manikyang Village. The method used is spatial analysis based on land use type, tourist attraction location point, facilities, and accession. Results of spatial data processing and field survey show that Manikyang Village has 6 natural tourism potentials, 4 artificial tourism potentials, and 3 cultural/religious tourism potentials spread across 5 banjar villages. The results showed that Manikyang Village is suitable to be developed as a tourism themed Ecotourism and Religious Tourism with the tourism attraction development zone divided into a core zone covering an area of 19 ha (6.17%), a buffer zone covering an area of 277.38 ha (90.06%), and a support zone of 11.62 ha (3.77%).

Monitoring Alih Fungsi Lahan Sawah dan Pemetaan Status Petani Berbasis Remote Sensing dan Geographic Information System di Subak Kerdung dan Subak Cuculan Kota Denpasar Panjaitan, Pranata Halasan; Lanya, Indayati; Bhayunagiri, Ida Bagus Putu
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p15

Monitoring The Conversion of Rice Fields and Mapping The Status of Farmers in Subak Kerdung and Subak Cuculan, Denpasar City. Subak Kerdung and Subak Cuculan are subaks that are included in the Green Open Space area of ??Denpasar City. The designation of this two subak as an open space areas for Denpasar City does not reduce the land conversion level. Therefore, it is necessary to have more protection by determining the area for Sustainable Food Agricultural Land (SFAL). Based on Government Regulation No. 25 of 2012, the preparation of SFAL needs to be equipped with a database, some of which are data on human resources and farmer status. This study aims to create a map of land-use change (2012-2021), a map of the distribution pattern of farmer status, and a human resources database. This study uses image analysis methods as well as surveys and mapping. The research stages include literature study, interpretation of satellite imagery, field surveys, image reinterpretation, and mapping and preparation of information systems. The results showed that for nine years, there was a conversion of 66.61 ha in Subak Kerdung and 22.62 ha in Subak Cuculan. The number of farmers in Subak Kerdung is 133 people, 121 people are sharecroppers with a total land area of ??93.2 (91.75%), and 18 people are owner farmers with a total land area of ??8.47 ha (8.25%). The number of farmers in Subak Cuculan was 24 people; 22 were sharecroppers with a total land area of ??7.43 ha (84.24%). Owner farmers opened two people with a total arable area of ??1.39 ha (15.76%). Farmers in Subak Kerdung and Subak Cuculan dominate the productive age (31-60 years). The average size of land cultivated by farmers in Subak Kerdung is 0.76 ha/person, and in Subak Cuculan is 0.36 ha/person. The results of this study are expected to be used by the Denpasar city government as a basis for evaluating and enforcing the law and as a reference for determining SFAL in Subak Kerdung and Subak Cuculan.

Kelimpahan Populasi Hama Kutu Putih Phenacoccus manihoti Matile-Ferrero, Paracoccus marginatus Williams dan Granara De Willink (Hemiptera: Pseudococcidae) serta Kumbang Predator Scymnus Sp. (Mulsant) (Coleoptera: Coccinellidae) pada Ubi Kayu di Kabupaten Simare-Mare, Rut Megawati; Widaningsih, Dwi; Sunari, A. A. Ayu Agung Sri
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p14

Population of Mealybugs Phenacoccus manihoti Matile-Ferrero, Paracoccus marginatus Williams and Granara De Willink (Hemiptera: Pseudococcidae) and Predatory Beetle Scymnus sp. (Mulsant) (Coleoptera: Coccinellidae) on Cassava in Badung Regency. Cassava (Manihot esculenta Crantz) is a food crop commodity as an important carbohydrate source in Indonesia. This study aims to determine the population of mealybugs P. manihoti and P. marginatus and the population of predatory beetles as natural enemies of plants. cassava in Bali. The research was carried out from December 2021 to February 2022 in Badung Regency, Kuwum village, Mengwi sub-district, Bali Province. The method used in the sample is a purposive sampling with method diagonally. The results showed that the abundance of mealybugs P. marginatus and P. manihoti was quite high with a population abundance of 949.4 and 466.6. The abundance of predatory populations of scymnus sp. classified as low where 3 predators were found in the Adira 1 variety and 2.4 predators were found in the Malang variety 6. The functional relationship between the mealybug population P. marginatus, P. manihoti and the predator Scymnus sp. had a positive relationship and strong with a coefficient correlation interval was 0.9219 for P. marginatus and 0.995 for P. manihoti.

Pengaruh Jenis Kemasan terhadap Mutu Benih Bunga Matahari (Helianthus annuus L.) pada Penyimpanan Tiga Bulan Salsabilla, Alya; Astiningsih, Anak Agung Made; Mayun, Ida Ayu
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p06

Effect of Packaging on Quality of Sunflower Seeds (Helianthus annuus L.) at Three Months Storage. This study aim to determine the effect of packaging on quality of sunflower seeds. This study used a completely randomized design with 6 treatments, namely sealed plastic bag (Kp), gunny sack (Kg), aluminium foil pouch (Ka), glass jar (Tk), plastic jar (Tp) and plastic sack (Kb) with 4 repetitions. The research was conducted at the Plant Breeding and Seed Technology Laboratory, Agronomy and Horticulture Laboratory and Soil Laboratory, Faculty of Agriculture, Udayana University from September 2022-April 2023. The results showed that the storage techniques for 3 months storage had an effect and aluminium foil pouch (Ka) was able to maintain the quality of sunflower seeds well compared to other storage packaging used in this research as indicated by the value of water content (7,38%), 100 seeds weight (6,88 g), electric conductivity (2,29 mmhos/cm), maximum growth potential (92,50%), germination (85%), simultaneous growth (80,83%) and vigor storability (81,67%).

Pengaruh Beberapa Jenis Lampu terhadap Hasil Tanaman Selada Keriting Hijau (Lactuca sativa L.) pada Plant Factory Rusmita, Gst Ayu Putu Ika Yulia; Suada, I Ketut; Wirawan, I Gede Putu
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p05

Effect of Several Types of Lights on Yield of Green Curly Lettuce (Lactuca sativa L.) at Plant Factory. Light intensity is the most important factor in the process of plant growth, light sources that can be received by plants other than the sun can also use light. This research took place from March to April 2022. This research was conducted at the Plant Factory, Faculty of Agriculture, Jl. Moyo Island No. 16X, Pedungan, South Denpasar. In this research experiment the design used was a completely randomized design (CRD) with 6 types of lamp treatments, namely: LED grow light, white LED lamp, yellow fluorescent lamp, white fluorescent lamp, combination of white, yellow, far-red HPL lamps and white fluorescent lamps. HPL combination of red, blue, yellow and repeated 4 times. The results of statistical analysis showed that the type of lamp treatment had a very significant effect on all observed variables, except number of leaves, and root dry weight. The type of lamp treatment had an effect on the yield of lettuce grown at the plant factory and was indicated by the total fresh weight with a value of (171.50 g) and total dry weight with value of (5.09 g) which were significantly different from other treatments. The best type of lamp for lettuce growth and yield is the best yellow fluorescent lamp.

Kesesuaian Lahan Komoditas Pertanian dan Perencanaan Penggunaan Lahan Berbasis Geospasial di Kabupaten Malaka, Nusa Tenggara Timur Nahak, Senon Apriyanto; Lanya, Indayati; Trigunasih, Ni Made
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Agricultural Commodity Land Suitability and Geospatial-Based Land Use Planning in Malaka District, East Nusa Tenggara. Data and information on land suitability classes for various plant commodities must be available in Malaka District on a geospatial basis so that they are easily accessible. The technology used is a geographic information system (GIS). The aims of this study were to: (1) obtain land characteristics for land suitability classes, (2) map actual and potential land suitability classes, (3) land use plans based on land suitability, (4) provide a land suitability information system. This research was conducted in two sub-districts in Malaka Regency, East Nusa Tenggara. The analysis carried out in this study included: physiographical analysis, field surveys, soil analysis in the laboratory, land suitability analysis, making land suitability maps and land use planning maps, building a geospatial-based land suitability information system. The actual land suitability class for food crops, horticulture and plantations is classified as marginal suitable (S3wa1wa2wa3rc3na1na2na3eh1eh2Ip1) to unsuitable (Nwa2xc) limiting rainfall, dry months, humidity, effective depth, N-total, P2O5, K2O, salinity, slope, erosion hazard and rocks surface. Improvement efforts include tillage, fertilizing urea, phonska, KCl, making drainage channels, setting planting times, making ponds and making bench terraces. Potential land suitability classes are very suitable (S1), moderately suitable (S2wa1wa2rc3xceh1eh2Ip1) to marginally suitable (S3wa2) limiting rainfall, dry months, effective depth, salinity, slope, erosion hazard and surface rocks. West Malaka and Central Malaka Districts first priority in flat areas to develop corn, cassava, cashew nuts, green beans, shallots, tomatoes and watermelons as an alternative. Whereas in the Central Malaka District, the hilly relief is more suitable for coconut, cocoa and cashew plantations and the karst hill relief is an alternative for the development of corn, cassava, green beans, shallots, tomatoes and watermelons.

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Contact Name
-

Contact Email
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Journal Mail Official
-

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-

Location
Kota denpasar,

Bali

INDONESIA