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Kandungan Fitokimia dan Aktivitas Antioksida dari Daun Tumbuhan Senduduk (Melastoma malabathricum L.) dengan Metode GC-MS (Gas Chromatography-Mass Spectrometry) Afrizal, Afrizal; Wirawan, I Gede Putu; Darmawati, Ida Ayu Putri
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.p10

Phytochemical Content and Antioxidant Activity of the Leaves of the Senduduk Plant (Melastoma malabathricum L.) using the GC-MS (Gas Chromatography-Mass Spectrometry) Method. Senduduk (Melastoma malabathricum L) is one of the plants that can be used as traditional medicine. This study aims to determine the types of active compounds, levels of active compounds, and levels of antioxidant compounds in the leaves of the senduduk plant. This research lasted for 3 months. The method used in this study is a descriptive method with laboratory analysis techniques. Active compound analysis testing with GCMS analysis, testing and phytochemical levels, as well as determining the activity and levels of antioxidants. The results showed that the active compounds in senduduk leaf extract were mostly dominated by phenolic compounds and saponin compounds. The phenolic compound group contains active compounds 1,2,3-Benzenetriol and Vitamin e dl-.alpha.-Tocopherol with a percentage of 26.252% and the saponin group contains active compounds by fatty acids, namely hexanacanoic acid and linoleic acid with an area proportion of 14.25. %. The levels of active compounds from the phytochemical screening of the active compound group with the strongest levels were Alkaloids, Phenolics, and Saponins. The active compound group with moderate levels was only terpenoid active compounds, while the active compounds with sufficient levels contained steroids, flavonoids, and tannins which were tested by the Liebermann, Buchard, and Meyer reagent examination methods. The antioxidant activity in the extract of the leaves of this senresiden is strong enough, namely 70,607 ppm.

Pengembangan Komoditas Pertanian Berbasis Kesesuaian Lahan di Kecamatan Alor Tengah Utara Kabupaten Alor Nalle, Margiman S.; Lanya, Indayati; Trigunasih, Ni 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.p01

Agricultural Commodity Development Based on Land Suitability in The District of Alor Central North Alor Regency. The development of agricultural commodities in Alor Regency is ased on land suitability. This study aims to analyze/land quality, analyze and create land use class maps, analyze farming priorities, create commodity zoning maps, and land use direction maps. Agricultural commodities include upland rice, corn, cassava, red chilies, tomatoes, robusta coffee, cocoa and cashew nuts. Using survey methods based on field observations, field and laboratory data, spatial analysis using remote sensing and information systems, land classification using land characteristics/quality methods with plant growing conditions. Commodity zoning and directions for agricultural land use by class based on the highest land, and existing land use. Feasibility of use with the calculation of the B/C Ratio. The results showed that the potential for upland rice, cassava, robusta coffee and cocoa were classified as marginally appropriate classes (S3wa12rc13), while corn, red chili, tomatoes, and cashew nuts were classified as quite appropriate classes (S2tcwa1lp12). Limiting factors include temperature, air availability, rooting media, and land preparation. The zoning of commodities in each land map unit includes corn, red chilies, tomatoes, and cashews. Directions for land use in mixed gardens, dry fields, paddy fields and rainfed rice fields are considered for the development of agricultural commodities with monoculture and polyculture cropping patterns. The B/C Ratio shows that agricultural commodities are feasible to be developed in North Central Alor District.

Respon Pertumbuhan dan Hasil Beberapa Varietas Tanaman Sawi Hijau (Brassica juncea L.) terhadap Pemberian Pupuk Organik Cair Air Cucian Beras Dwi K., Krismunandar Asep; Santosa, I Gusti Ngurah; Astawa, I Nyoman Gede
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.p15

Growth and Yield Response of Several Varieties of Caisim (Brassica juncea L.) to Application of Liquid Organic Fertilizer with Rice Washing Water. The study was conducted in the Green House of the Center for Supervision and Certification of Food Crops and Horticulture Seeds, Bali Province and in Agronomy and Horticulture Laboratory, Udayana University. This study was started from March 2021 to May 2021. The study aims to obtain the best variety and the accurate concentration of liquid organic fertilizer on several caisim varieties and to determine treatment interactions. The study was conducted using a factorial Completed Randomized Block Design with two factors. The first factor uses the caisim variety which consists of three varieties, namely SA 764, shinta and tosakan variety. The second factor is concentration of liquid organic fertilizer which consists of four levels, namely Control, 10, 20, and 30 ml/L water. Each treatment was repeated three times. The results showed that the interaction beetwen the caisim variety and the concentration of liquid organic fertilizer showed a very significant differences in leaf number. The caisim variety individually showed significant differences in plant dry weight and very significant differences in plant height and plant fresh height. The treatment of liquid organic fertilizer concentration showed very significant on plant height, leaf area, plant fresh weight and plant dry weight.

Monitoring dan Evaluasi Perubahan Penggunaan Lahan Berbasis Penginderaan Jauh di Kecamatan Klungkung, Kabupaten Klungkung Astika, I Komang Putra; Diara, I Wayan; Bhayunagiri, Ida Bagus 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.p06

Monitoring and Evaluation of Landuse Changes based on Remote Sensing in Klungkung District, Klungkung Regency. Bali Province is one of the tourism destinations in Indonesia, the tourist destinations, offered include beauty of nature, art, culture traditions, and historical buildings one of them is in the Klungkung District such as Kertagosa, Gunarsa Museum the Klungkung Monument. Klungkung District has a large population that a 65,273 people, which can changes in landuse, therefore the research about monitoring and evaluation of landuse change in Klungkung district is needed. The purposes of this research are to determine landuse changes in Klungkung District, the level of accuracy of the classification result of Landsat imagery in 2022, and the relation between classified land use map and spatial planning of Klungkung Regency. The method which is used in this research is the maksimum likehood classification (MLC) in the land use supervised classification. Digital classification for landuse landcover were analyst using semi-automatic classification plugin (SCP) in QGIS 3.22 LTR Apps. The result shows that, it was found that built-up land has a regularity of change of 28,155 ha/yr, rice fields with a regularity of change of 50.5 ha/yr, bare land with an area of 16.88 ha/yr, and dryland farming with a regularity of change reaching 61.7 ha/yr. The overall accuracy of this research was 82.42 % and a kappa index 0.75. The overlay by spatial planning was found that there was a discrepancy the land use in 2022.

Uji Efektifitas Ekstrak Tanaman sebagai Nematisida Nabati terhadap Tingkat Fekunditas Nematoda Puru Akar (Meloidogyne Spp.) pada Tanaman Seledri (Apium graveolens L.) di Rumah Kaca Eaggeliony, Jenifer Christy; Singarsa, I Dewa Putu; Suniti, Ni Wayan
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.p11

The Effective Test of Plant Extracts as A Nematicide for Fecundity of Root Knot Nematodes (Meloidogyne spp.) in Celery Plant (Apium graveolens L.) at Greenhouse. Root knot nematodes Meloidogyne spp. is among the harmful organism in plant cultivation, one of which is in the celery plant. Nematodes caused drop in/reduced plant productivity and plant quality, it can even lead to death and crop failure. Base on the adverse effects of nematodes attack, it must be anticipated. Biopesticides is one of the alternatives that can be used to suppress the growth of nematodes and more environmentally friendly. The purpose of this study is to know the effectiveness of the plant extracts that suppress the number of egg mass, the number of eggs per egg mass and the number of adult females in 1 g of roots. This study using a completely randomized design (CRD), with 5 types of treatments and each treatments received 5 repetitions. The treatments are by giving each plant extracts of 100 cc per pot. The result showed that the extract of marigold plants (Tagetes spp.) has the highest effectiveness, with the percentage of emphasis on the number of eggmass in 1 g roots is 99%, the emphasis on the number of eggs per eggmass in 1 g roots is 84,6% and the emphasis on the number of adult females in 1 g roots is 99,4%. While extract of sour-plant showed that has the lowest effectiveness, with the percentage of emphasis on the number of eggmass in 1 g roots is 96,68%, the emphasis on the number of eggs per eggmass in 1 g roots is 60,72% and the emphasis on the number of adult females in 1 g roots is 98,44%.

Jenis dan Kelimpahan Relatif Lalat Buah Famili Lonchaeidae dan Tephritidae serta Parasitoidnya pada Cabai Rawit Putih (Capsicum frutescens L.) di Kabupaten Rembang, Provinsi Jawa Tengah, Indonesia Ningtyas, Sinta Sulvia; Susila, I Wayan; Supartha, I Wayan
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.p02

Types and Relative Abundance of Fruit Flies of the Lonchaeidae and Tephritidae Families and Their Parasitoids on White Cayenne Pepper (Capsicum frutescens L.) in Rembang Regency, Central Java Province, Indonesia. Research on type and relative abundance of fruit flies Lonchaeidae and Tephritidae families and their parasitoids on white chili peppers (Capsicum frutescent L.) in Rembang Regency, Central Java Province, aims to determine the types of fruit flies in the families Lochaeidae (Bactrocera sp.) and Tephritidae (Silba sp.) and parasitoids, abundance, and parasitization rate of fruit fly parasitoids. This research used a purposive method by taking 50 fruits that had symptoms of fruit fly attacks at each location point for 3 repetitions in Kaliori, Sluke, Pamotan, Sedan, and Bulu Districts. The research was conducted from November 2021 to March 2022. The results showed that the fruit fly species was Silba adipata from the Lonchaeidae family and Bactrocera dorsalis from the Tephritidae family. The relative abundance of the fruit fly S. adipata (38.49%) was lower than that of the fruit fly B. dorsalis (61.51%). The fruit fly parasitoids of S. adipata are Asobara Japonica, Fopius arisanus and Diachasmimorpha longicaudata, and the fruit fly parasitoids of B. dorsalis are Fopius arisanus and Diachasmimorpha longicaudata. The average parasitization rate of the fruit fly parasitoid S. adipata was (27.13%) and B. dorsalis was (21.05%).

Uji Efektifitas Ekstrak Tanaman Sebagai Nematisida Nabati untuk Menekan Populasi Nematoda Puru Akar (Meloidogyne spp.) pada Tanaman Seledri (Apium graveolens L.) Shaffila, Diaz Mutiara; Singarsa, I Dewa Putu; Sudarma, I 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.p16

Testing the Effectiviness of Plant Extracts as Botanical Nematicides to Suppress the Population of Root Knot Nematodes (Meloidogyne spp.) on Celery Plants (Apium graveolens L.). Root knot nematodes (Meloidogyne spp.) are one of nematodes that attack various types of important agricultural crops. This nematode is found on plant roots and can cause symptoms such as stunting, root knot, and wilting in plants. One effort to control nematodes is to use botanical nematicides. Based on this, research will be carried out to suppress the population of root knot nematodes (Meloidogyne spp.) using plant leaf extracts of Marigold (Tagetes spp.), soursop (Annona muricata L.), papaya (Carica papaya L.), neem (Azadirachta indica), and jatropha plant (Jatropha curcas L.). The research methods are: (1) Making plant leaf extracts, (2) Making solution of Meloidogyne spp., (3) Testing the ability of several plant leaf extracts in pots/polybag. The purpose of this study was to determine the plant leaf extracts were able to suppress the population of Meloidogyne spp. The results showed that the nematode population/300 g soil, Tagetes spp. extracts was the best in suppressed the population, 22,2 mesh (75,3%), Jatropha curcas L. 25,4 mesh (71,7%), Carica papaya L. 28,0 mesh (68,8%), Azadirachta indica 31,6 mesh (64,8%), dan Annona muricata L. 34,0 mesh (62,2%). In calculating the nematodes population/1 g of root, it is Tagetes spp. the best extract suppressed the population of root knot nematode, namely 21,2 mesh (69,5%), Jatropha curcas L. 24,0 mesh (65,5%), Carica papaya L 27,4 mesh (60,6%), Azadirachta indica 30,8 mesh (55,7%), dan Annona muricata L. 33,4 mesh (52,0%).

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%.

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.

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.

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Journal Mail Official
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Kota denpasar,

Bali

INDONESIA