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Pengaruh Konsentrasi Polyethylene Glycol (PEG) dan Jenis Media Simpan terhadap Daya Simpan Benih Kakao (Theobroma cacao L.) Noviani, Made; Darmawati, Ida Ayu Putri; Mayun, Ida Ayu
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.p07

Effect of Polyethylene Glycol (PEG) Concentration and Type of Storage Media on the Shelf Life of Cocoa Seeds (Theobroma cacao L.). Cocoa seeds are recalcitrant seeds that deteriorate quickly, so special treatment is needed with the PEG concentration and type of storage media. The study started in October – November 2021. The aim of the study was to obtain the best concentration of PEG-6000 and the best type of storage media and to determine the interaction of treatments. The study used a Factorial Completely Randomized Design (CRD). The first factor is the concentration of PEG-6000 (P) with 4 levels: P0 = PEG 0% (control); P1 = PEG 15%; P2 = PEG 30% and P3 = PEG 45%. The second factor is the type of storage media (S) with 3 levels: Sk = without storage media (control); Sg = Sawdust and Ss = Husk Charcoal. The results showed that the concentration of PEG (P) had a very significant effect on the variables of healthy seeds, moldy seeds in storage and germination rate. The best results were found at PEG 45% with the highest germination rate of 10.19 sprouts/day. The type of storage media (S) had a very significant effect on the variables of healthy seeds, germinated seeds, moldy seeds in storage, seed moisture content after storage and germination rate. The highest results on husk charcoal media in seed moisture content variable after storage was 39.11%, seeds germination in the nursery was 9.70%, germination rate was 11.98 sprouts/day and hypocotyl length was 2.54 cm and there was an interaction between healthy seeds, germinated seeds and moldy seeds in storage. The best results were found at a concentration of PEG 45% with husk charcoal (P3Ss) media with the highest result of healthy seeds in storage at 9.77% and germination of seeds in storage at the lowest 0.71%.

Pengaruh Konsentrasi Pupuk Organik Cair Kulit Pisang Kepok terhadap Pertumbuhan dan Hasil Tanaman Bayam Merah (Amaranthus tricolor L.) Natania, Inggrid Olivia; Pradnyawathi, Ni Luh Made; Astawa, I Nyoman Gede
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Effect of Concentration of Kepok Banana Peel Liquid Organic Fertilizer on Growth and Yield of Red Spinach (Amaranthus tricolor L.). This study aims to determine the effect and the best concentration of kepok banana peel liquid organic fertilizer which gave the highest growth and yield for red spinach (Amaranthus tricolor L.). This study used a completely randomized design (CRD) with 6 treatments, namely 0, 10, 20, 30, 40 and 50 ml/l with 4 repetitions. The research was conducted in the greenhouse of the Experimental Garden of the Faculty of Agriculture and Agronomy and Horticulture Laboratory, Udayana University from November 2022-February 2023. The application of fertilizer had an effect and a concentration of 50 ml/l was the best concentration which gave the highest yield which increased plant height 29 dap 139% (19.48 cm), number of leaves 29 dap 358.06% (35.50 strands), leaf area 875.30% ( 39.50 cm2), root length 154.39% (26.33 cm), fresh weight of plant tops 407.83% (26.56 g), oven dry weight of tops of plants 493.54% (3, 68 g), root fresh weight 389.7% (12.83 g), root oven dry weight 103.22% (1.26 g), root shoot ratio 168.31% (2.71) and leaf chlorophyll content 220 .85% (25.38 units) compared to control (8.15 cm, 7.75 strands, 4.05 cm2, 10.35 cm, 5.23 g, 0.62 g, 2, 62 g, 0.62 g, 1.01 and 7.91 units).

Identifikasi Karakter Morfologi dan Analisis Kandungan Nutrisi Buah Pisang Susu, Kepok, dan Raja Lokal Bali Liran, I Gusti Putu Oka Maha Putra Wardana; Rai, I Nyoman; Mayadewi, Ni Nyoman Ari
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Identificaion of Morphological Characters and Fruits Nutrient Analysis of Pisang Susu, Kepok, and Raja Lokal Bali. Banana (Musa sp.) is one of the germplasms which is distributed in tropical and sub-tropical areas. Various types of bananas exist, causing differences in character between each cultivar. This research was carried out in July - October 2022. The location for sampling bananas was in Banjar Soka, Antap Village, Selemadeg Barat District, Tabanan Regency, while morphological identification and analysis of nutrient content were carried out at Laboratory. This study used UPGMA analysis and a completely randomized design (CRD) with three replications. Identification of morphological characters revealed differences in the qualitative characters of the shape of fruit, shape of the tip of fruit, rest of the flower relics, colour of the peel before and after ripening, cracking of the peel, surface of the peels, colour of pulp before and after ripening shape of the seeds, finger length, finger stalk length, finger stalk width and fruit peel thickness. The nutritional content of the fruit flesh is different in crude fat and crude fibre.

Perbandingan Berat Molekul Protein Total Tanaman Selada (Lactuca sativa L.) Hasil Plant Factory dan Ditanam di Tanah Menggunakan SDS-PAGE Rizki, Muhamad Farrel; Wirawan, I Gede Putu; Suada, I Ketut
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.p13

Comparison of Total Protein Molecular Weight of Lettuce (Lactuca Sativa L.) Plant Factory and Planted in the Ground Using SDS-PAGE. Lettuce (Lactuca sativa L.) is a plant that contains nutrients and protein that are good for human needs. Lettuce is often found in Indonesian agriculture because lettuce has growing conditions that are very suitable for the Indonesian climate. The purpose of this study was to determine the comparison of protein profiles of lettuce plants grown on the ground with those grown using the hydroponic plant factory system. This research was conducted from May to June 2023 at the Laboratory of PT Genetika Science Indonesia, Tangerang City. This research stage consists of sampling, protein extraction, electrophoresis, and data analysis. Comparisons were made by comparing the two sample data that had been carried out by electrophoresis by looking at the molecular weights of each sample. Plants grown in the soil had higher molecular weights than those grown in the plant factory and each had 12 different proteins. Both samples produced two other same protein bands of 69.65 kDa and 11.97 kDa.

Kombinasi Penggunaan Urin Kelinci dan Ekstrak Daun Pepaya (Carica papaya L.) terhadap Kelimpahan Hama pada Tanaman Pakcoy (Brassica rapa L.) Devitriyani, Ida Ayu; Adnyana, I Made Mega; Yuliadhi, Ketut Ayu
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.p12

Combination of Rabbit Urine and Papaya Leaf Extract (Carica Papaya L.) Usage on Pest Abundance on Pakcoy Plants (Brassica rapa L.). Pak coy (Brassica rapa L.) is a vegetable that are rich in nutrients. According to the Central Statistics Agency (2021) the production of Brasicaceae in Bali from 2018 to 2020 has been fluctuated. One of the factor’s hindering productions is the existence of pest attacks. This study aims to determine the effect of a combination of rabbit urine and papaya leaf extract on the types of pests, pest attack intensity, diversity and abundance of pests that attack pak coy plants in Penebel, Tabanan, Bali. The research held in July 2022 – November 2022 with a factorial Randomized Block Design (RBD) of 2 factors, the first factor was rabbit urine and papaya leaf extract and the second factor was concentration. Rabbit urine consisted of 4 concentrations (K0: 0 ml/l water, K1: 20 ml/l water, K2: 40 ml/l water, K3: 60 ml/l water) and papaya leaf extract consisted of 3 concentrations (P0: 0 ml/l water, P1: 400 ml/l water, P2: 600 ml/l water). The results showed that there were four types of pest species attacked pakcoy plants namely Atractomorpha crenulata (75 individuals), Oedaleus infernalis (63 individuals), Plutella xylostella (57 individuals), and the least was Vaginula bleekeri (21 individuals). The effective combinations of rabbit urine and papaya leaf extract to reduced the intensity attacks of pest was rabbit urine 60 ml/l water with papaya leaf extract 600 ml/l water (K3P2) of 7.4%, the highest damage showed by the control treatment (K0P0) of 70%. The index diversity species of pest found in all treatments was moderate. The lowest abundance of pest species was found in the K3P2 treatment (4 individuals), the highest in the K0P0 treatment (55 individuals). There was not found interaction effect between rabbit urine and papaya leaf extract.

Inventarisasi Kerentanan Longsor dengan Citra Landsat 8 OLI TIRS di Lereng Timur Gunung Agung Jananuraga, Petrus Raki; Suyarto, R.; Kusmiyarti, Tati Budi
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.p04

Landslide Vulnerability Inventory with Landsat 8 OLI TIRS Imagery on the Eastern Slope of Mount Agung. Landslides are one of the natural disasters that often occur in Indonesia and cause loss of life, property, and damage to facilities and infrastructure. Landslide vulnerability on the eastern slope of Mount Agung is categorized as medium to high, making the area very vulnerable to landslides, therefore an inventory of landslide vulnerability in the area is needed. This study aims to analyze the results of land cover interpretation using BSI vegetation index approach and supervised classification on the eastern slope of Mount Agung, Bali, compare the results of land cover accuracy test of BSI vegetation index approach interpretation and supervised classification, and analyze landslide vulnerability from 2013 to 2022. The method used in this research is qualitative by utilizing data taken from Landsat 8 OLI TIRS images recorded from 2013 to 2022 in the form of Blue band, Red band, Near Infrared band, and Shortwave Infrared 2 band. Land cover classification uses Bare Soil Index vegetation index analysis and supervised classification. The results showed that the comparison of the area of non-vegetated land distribution for each year of the Bare Soil Index analysis results was greater than the results of the analysis using supervised classification. The highest non-vegetated land area based on the results of the Bare Soil Index was in 2019 with an area of 11,469.60 ha, while the supervised classification occurred in 2017 with an area of 6,182.03 ha. The accuracy test results show that the BSI method is more accurate (82.86%) compared to the supervised classification method (62.86%). Non-vegetated land (vacant land) based on BSI that is included in the Movement Vulnerability Zone is an area vulnerable to landslides, its distribution changes due to various events that occur in the area such as forest fires, landslides, land use change, and others. The highest vulnerability area was in 2019 amounting to 1,779.03 ha while the lowest vulnerability area was in 2016 amounting to 1028.94 ha.

Identifikasi Senyawa Fitokimia dan Uji Aktivitas Antioksidan Ekstrak Etanol Limbah Kulit Biji Kakao (Theobroma cacao L.) Varietas Trinitario Haryadi, Celvin; Wirawan, I Gede Putu; Sritamin, Made
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.p03

Identification of Phytochemical Compounds and Antioxidant Activity Test of Ethanol Extract of Cocoa Bean Shell Waste (Theobroma cacao L.) Trinitario Varieties. Cocoa is one of the mainstay commodities of plantations in Indonesia, contributing to the country's foreign exchange earnings. Byproducts such as fruit skins and pulp are produced during the production of dry cocoa beans, and waste in the form of cocoa bean husks is produced during the processing of dry cocoa beans into chocolate products. So far, cocoa bean husk waste has not been used optimally, leading to a low economic value. The purpose of this study was to determine the bioactive compounds in the skin and the levels of antioxidant compounds in cocoa bean husk waste so that it could be used as a raw material for medicine. The GC-MS analysis method was used to identify bioactive compounds in cocoa bean husk waste, and the DPPH method was used to test antioxidant activity. According to the results of the GC-MS analysis, the cocoa bean husk waste extract contains four compounds with quality value higher than 90. These four compounds are Alpha-Copaene, Copaene, Caryophyllene, and Caffeine. The antioxidant test results of the cocoa bean husk waste extract revealed an IC50 value of 86,213 ppm, indicating strong antioxidant activity because the IC50 value is between 50-100 ppm.

Aplikasi Sistem Informasi Geografis dan Penginderaan Jauh Untuk Analisis Potensi dan Kerentanan Longsor di Kecamatan Kintamani, Bangli Ardana, Made Putra Eka; Diara, I Wayan; Narka, I Wayan
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Application of Geographic Information System and Remote Sensing for the Analysis of Landslide Potention and Vulnerability in Kintamani District, Bangli Regency. Kintamani District is an area that is prone to disasters; this is because of its geographical conditions which are located in the highlands and mountains with steep slopes. Research in this area is important to provide information on landslides for the public and government. The objective of this research is to determine the potential and landslide vulnerability. Delineating the potential for landslides used integration of remote sensing data and Geographic Information System (GIS) through the scoring method by overlaying the thematic that causes landslides (zones of susceptibility to soil movement, rainfall, land use, slope and soil type). The determination of landslide vulnerability is carried out by overlaying the landslide potential map with the settlement and road map. The results showed that Kintamani District has four landslide potential classes, namely the non-potential class which is a water area (Batur Lake) covering an area of 1616.13 ha, a low potential of 9350.61 ha, a medium potential of 15021.89 ha and a high potential of 10558.62 ha. The level of vulnerability to landslides in settlements consists of three classes, namely a low vulnerability class covering 1041.49 ha, a medium vulnerability area of 811.36 ha and a high vulnerability area of 174.52 ha. The level of vulnerability to landslides on the 307.16 km road network consists of two types of roads, namely primary collector roads and local roads. There are 23 distribution points of landslides found in research locations spread across Belancan, Kintamani, Bantang, Dausa, Sukawana, South Batur, Central Batur, Abangsongan, Abang Batudinding, and Trunyan Villages.

Hubungan Keanekaragaman Mesofauna Tanah dengan Kadar Bahan Organik di Hutan Sekunder Desa Candikuning Silva, Lizeti Frania Da; Kesumadewi, Anak Agung Istri; Atmaja, I Wayan Dana
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.p17

Relationship of Soil Mesofauna Diversity with Organic Little in Secondary Forest in Candikuning Village. Soil mesofauna play important role in maintaining and supporting soil fertility of natural forest. Their population, diversity, and function influenced by organic residues and inhibit by disturbance on the habitat, i.e., forest fragmentation. A field study to confirm the differences of soil mesofauna diversity and its relation to organic matter content among fragmented secondary natural forest in Candikuning village had done on February – April 2022. Study site was four fragmented secondary forest in Candikuning Village, i.e., Botanical Garden in Bedugul, secondary Geothermal natural forest, secondary natural forest impacted by short-cut development, and Village Binggo forest. Every 15 composite soil sample and organic residue had taken from minipit on each secondary natural forest followed by 3 replications. Soil mesofauna was extracted using berlesse-tullgren and lighted by 45 watt led lamp for 48 hours. Morphological identification of the soil mesofauna showed that 5 orders, 12 families, 15 genera, and 15 species were found on the study site. Soil mesofauna dominance index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was low (D = <0.3), which is between 0.05-0.22. The soil mesofauna diversity index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was medium (H` = 1-3), which is between 1.64-2.30. The evenness index of the soil mesofauna at all research sites was high (E = > 0.6), which was between 0.70-0.98. The correlation of organic matter with soil mesofauna only significantly positive to Hemiptera in Geothermal Forest.

Pengaruh Penambahan POC Ampas Teh terhadap Pertumbuhan dan Hasil tanaman pakcoy (Brassica rapa L.) Secara Hidroponik Sistem Sumbu Butar, Adril Persada Butar; Pradnyawathi, Ni Luh Made; Wijana, Gede
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.p09

The Effect of Additioning Tea Waste LOF on Growth and Products of Pakcoy (Brassica rapa L.) Plants by Wick System Hydroponic. Pakcoy (Brassica rapa L.) is one of the vegetables that can be cultivated using a hydroponic system. The wick hydroponic system is one of the hydroponic techniques used in vegetable cultivation, involving the use of standing water in the installation and passive flow circulation. The nutrients commonly used in hydroponic cultivation are the AB Mix nutrient solution. However, the use of liquid organic fertilizer (LOF) in hydroponic vegetable cultivation is an important consideration to reduce the use of inorganic fertilizers. The research objective is to determine the growth response of pakcoy cultivation with the addition of tea waste LOF, which contributes to the growth and yield of pakcoy plants. This study utilized a Completely Randomized Design (CRD) with six levels, namely 0 ml/L, 2 ml/L, 4 ml/L, 6 ml/L, 8 ml/L, and 10 ml/L, each with four replications. The research was conducted in the Experimental Greenhouse and Agronomy and Horticulture Laboratory, Faculty of Agriculture Udayana University from February to May 2023. The treatment of 10 ml/L was found to be the best concentration for the addition of tea waste LOF in promoting the growth and yield of pakcoy plants in the wick hydroponic system. The results of the regression analysis for fresh canopy weight and oven dry canopy weight have not revealed an optimal concentration. This is due to the presence of a positive linear relationship with the concentration of tea waste LOF, indicating that both weights will increase with an increase in concentration.

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Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota denpasar,

Bali

INDONESIA