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Pengaruh Tingkat Penjarangan Beri terhadap Kualitas Buah Anggur Kediri Kuning dan Prabu Bestari I MADE SUKEWIJAYA; I GUSTI ALIT GUNADI; I PUTU DHARMA; WAYAN LANA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p07

One of the problems encountered in cultivating grapes is the low quality of the fruit, the size of the fruit is still relatively small, the taste is not sweet, and the bunches are relatively compact. The problem of compactness or density of fruit bunches causes the shape, size, and maturity of the fruit in the bunch to be less uniform and there are some broken and decayed fruits. Thus, it is necessary to support cultivation technology to support the success of grape cultivation in order to increase the yield and quality of the fruit, one of which is through berry thinning activities. The purpose of this study was to determine the effect of berry thinning on the quality of the Kediri Kuning and Prabu Bestari grape varieties. The method used was a split plot design with the basic design of a randomized block design (RBD). The treatments tested were varieties and levels of fruit thinning. The first factor (main plot) was the variety consisting of Kediri Kuning (V1) and the Prabu Bestari variety (V2), while the second factor (sub-plot) was thinning level (P) with a level consisting of P0 = 0% control (without thinning). , P1 = fruit thinning 10%-25%, P2 = fruit thinning >25%-40%, P3 = fruit thinning 40%-55%. The results showed that thinning of berries in P3 treatment (>40-55%) gave a significantly higher effect on the variables of berry weight, berry diameter, fruit bunch length, fruit bunch weight, total dissolved solids, and vitamin C content.

Kelimpahan Thrips parvispinus Karny dan Musuh Alaminya pada Tanaman Cabai Besar (Capsicum annuum L.) I NYOMAN WIJAYA; I GEDE PUTU WIRAWAN
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p12

The Abundance of Thrips parvispinus Karny and Its Natural Enemies in Chili Crops (Capsicum annuum L.). This aims of the research is to search the abundance of T. parvispinus Karny and its natural enemies on chili crops (Capsicum annuum.L). The research started from May 2021 to August 2021, located in Selat Village, Banjarangkan District, Klungkung Regency, and at the Plant Pest Laboratory, Faculty of Agriculture, Udayana University. The study was conducted using a descriptive method by conducting a diagonal survey of 20 samples of chili plants that were attacked by T. parvispinus. Observations were made by observing 10 leaves and 10 flowers of chili plants. The results showed that the abundance of T. parvispinus in the vegetative and generative phases fluctuated where the highest population of T. parvispinus occurred in plants aged 10 WAT with an average population of 17,57 individuals per plant then decreased in plants aged 11 WAT with an average population 11,12 individuals. There were two species of predators that preyed on T. parvisvinus, namely Coccinela transversalis with an average population of 23.3 and Chrysoperla carnea with an average of 18,2 individuals. There was one of nymph parasitoid to suppress the development of T. parvispinus namely Ceranisus spp with an average parasitization level 9,8 %.

Edible Coating Berbasis Pati Ubi Kayu Manihot esculenta Crantz dan Jahe Merah Zingiber officinale var. rubrum Memperpanjang Umur Simpan Buah Tomat Solanum lycopersicum L. EVA JOHANNES; MUSTIKA TUWO; NATALIA KATAPPANAN; HENRA HENRA; GUSNI WIRIANTI
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p03

Edible Coating based on Cassava Starch Manihot esculenta Crantz and Red Ginger Zingiber officinale var. rubrum Extends Shelf Life of Tomato Fruit Solanu lycopersicum L. Packaging with edible coating is one of the efforts developed to overcome soft rot in fruit, especially cut fruit such as tomatoes, Solanum lycopersicum L. This study aims to test natural preservatives for cut fruit through edible coatings with the addition of active compounds that have antioxidants and antifungals that can extend the shelf life of tomatoes. The method used for coating is starch-based edible coating with the addition of red ginger extract Zingiber officinale var. rubrum. Rhizoma as a bioactive compound that has antimicrobial and antioxidant properties. Soaking the samples using the edible coating method with distilled water, 0.4% CMC (carboxy methyl cellulose) solution and 5% glycerol, 4% cassava starch, and 0.1% red ginger extract. The treatments consisted of control (without treatment), coating with cassava starch-based edible coating, and edible coating with the addition of red ginger extract and storage time (3, 6 and 9 days). During the storage period, weight loss and texture tests were carried out. The results of the edible coating test with the addition of ginger extract are fungicidal against the fungus Aspergillus niger, had strong antioxidant properties with an IC50 value of 82.55 ppm and had the lowest weight loss in the edible coating treatment with the addition of ginger extract of 3.58% on day 9. The best texture in the edible coating treatment with the addition of ginger extract was 1.87 N on the 9th day . These results showed that edible coating based on cassava starch with the addition of 0.1% ginger extract was able to increase the shelf life of tomato Solanum lycopersicum L. for 9 days at room temperature.

Respon Pertumbuhan dan Hasil Tanaman Sawi Hijau terhadap Pemberian Pupuk Organik IDA AYU MAYUN; A.A. MADE ASTININGSIH; MADE SRI SUMARNIASIH
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p08

One of the efforts to increase soil productivity, fertilization efficiency and yield increase is the application of environmentally friendly fertilization technologies. The purpose of the study was to determine the the growth response and yield of mustard greens to the application of organic fertilizer, and which organic fertilizer gave the highest yield. This research was an experiment in the greenhouse of the Experimental Garden of the Faculty of Agriculture, Udayana University using polybags. The research method used a completely randomized design (CRD), with 3 treatments each with 3 levels, and repeated 4 times so that 36 treatments were obtained. The treatments given were vermicompost fertilizer (KS0 = no vermicompost, KS1 = 5 t/ha, KS2 = 10 t/ha); goat manure (KK0= without goat manure, KK1= 5 t/ha, KS2= 10 t/ha); and organic fertilizers sold on the market (K0 = without organic fertilizer application, K1 = 5 t/ha, K2 = 10 t/ha). Each polybag was filled with 2 plants so that the total plants were 72 plants. Based on the results of the study, it can be concluded that the application of organic fertilizers (compost, vermicompost and goat manure) can increase growth and yield compared to no organic fertilizer application. The application of organic fertilizer 10 tons/ha, gave the highest yield, for a plant height of 35.00 cm; number of leaves 16.25 sheets, 79.29 g, fresh weight and 67.88 g dry weight (compost fertilizer), 34.98 cm, 21.75 sheets, 84.54 g, and 69.72 g (vermicompost fertilizer) , and 35.98 cm, 25.50 sheets, 72.83 g and 61.25 g (goat manure). It is recommended that the cultivation of mustard greens can be done by providing any type of organic fertilizer because it helps growth and yield.

Bagian Depan Agrotrop : Journal on Agriculture Science Vol. 12, No. 2, November 2022 Pengelola AGROTROP
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Bagian Depan Agrotrop : Journal on Agriculture Science Vol. 12, No. 2, November 2022

Pengaruh Metode Sterilisasi Permukaan terhadap Kultur Biji Jeruk Japansche Citroen (JC) Citrus limonia Osbeck MUSTIKA TUWO; ANDI NURHIQMAH DEWI; YOSHELINE GAYATRI DWIMUTIARA APPA; RESKIA IMTIHANI RAMDANI; AURELIA SALSABILA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p04

Effect of Surface Sterilization Methods on Seed Culture of JC Citrus limonia Osbeck Japansche Citroen (JC) Citrus limonia Osbeck is one type of citrus that is commonly used as rootstock. JC seed propagation through in vitro culture will be more effective. The initiation stage is the first step of in vitro culture to obtain microbial-free explants and initiate the initial growth. At this stage the problem of contamination becomes the main limiting factor. This study aims to obtain the appropriate method of sterilizing of JC orange seed explants in in vitro culture propagation. A total of four sterilization methods have been tested at the Tissue Culture Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Hasanuddin University. The sterilization material used is tween 80, fungicide, 20-30% NaOCl and 90% alcohol. The variables observed in this study were the time of appearance of contamination, the percentage of types of contaminants (bacteria and fungi), the percentage of sterile explants and the percentage of live explants after 28 days of culture. The results showed that the fourth method was the optimal sterilization method with the lowest contamination level of 30% of the other three methods with the highest explant survival rate of 60% compared to the other three methods.

Aplikasi Geographic Information System dan Remote Sensing untuk Pengembangan Potensi Wisata Agro di Kawasan Objek Wisata Air Terjun Tegenungan, Desa Kemenuh WIRADHIKA MAHAYASA PUTRA; INDAYATI LANYA; I GUSTI PUTU RATNA ADI
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p09

Wiradhika Mahayasa Putra. NIM. 1706541045. GIS Application and Remote Sensing for Agrotourism Potential Development In Tegenungan Waterfall Tourism Area, Kemenuh Village, Sukawati District. The implementation of agricultural and tourism activities is an agro-tourism concept can be synergized with other natural tourism objects such as waterfalls, Tegenungan Waterfall tourist attraction areas, Kemenuh Village, agro-tourism potential development can be carried out. The purpose of this research is to inform the area database based on GIS and remote sensing, identification and information on agro-tourism potential, mapping of tourist attractions and planning of locations for agro-tourism objects. Research methods: literature study, interpretation of satellite imagery, recording of information on potential tourist objects, calculation of the status of potential tourist objects, recording of regional databases, identification of agro-tourism objects, calculation and division of potential classes, mapping of tourist attractions. The results of this study indicate the value of the potential class of Tegenungan Waterfall tourism objects is in the good category with a value of 28. The map of the area displays a database of area, road length and land use, the value of the agro-tourism destination plan are classified as good with a value of 25, tourist information maps present an overview of tourist attractions at the location, the agro-tourism plan map displays the agro- tourism object plan: rice field cycling, plowing, canang making, educational tours, banana and coconut biodiversity and subak view.

Pengaruh Residu Pemberian Abu Vulkanis Gunung Agung dan Pupuk Kompos terhadap Tanah dan Tanaman Kacang Tanah (Arachis hypogaea L.) I WAYAN NARKA; I DEWA MADE ARTHAGAMA; I WAYAN DANA ATMAJA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p05

Residual Effect of Mount Agung Volcanic Ash and Compost on Soil and Peanut Plants (Arachis hypogaea L.). Research on the application of Mount Agung volcanic ash and compost has been carried out with cowpea as an indicator plant, but volcanic ash has not shown any effect. The volcanic ash of Mount Agung is in the form of material that has not been weathered, so to accelerate weathering it is necessary to add organic matter. The purpose of this study was to determine the residual effect of giving volcanic ash and compost on soil and peanut plant. The design used was a factorial randomized block design with 3 replications. The volcanic ash factor consists of 3 levels, namely A0 = no volcanic ash, A1 = 10% volcanic ash and A2 = 30% volcanic ash. The compost factor consists of 3 levels, namely K0 = without compost, K1 = 10 tons of compost ha-1, and K2 = 20 tons of compost ha-1. Parameters of soil properties observed were : total porosity, nitrogen, phosphorus and potassium content and C-organic matter content. Observation of peanut plants included : plant height, number of pods, weight of oven-dried pods, weight of oven-dried seeds and weight of oven-dried peanut stem. The results of research showed that there was no interaction between the treatment of volcanic ash residue and compost residue on the soil and peanut plants, while the single treatment of compost residue had a significant effect on peanut plants. The treatment of volcanic ash residue has not shown a significant effect, both on the soil and on peanut plants.

Sludge Coca-Cola untuk Penambahan Formula Bahan Baku Kompos I DEWA MADE ARTHAGAMA; I MADE DANA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p10

Coca-Cola Sludge For Adding Compost. This study aims to determine the compost formula with the addition of Coca-cola sludge to improve the quality of the compost. This research was conducted from June to July 2021, using a completely randomized design (CRD) consisting of 11 formulations of compost material, namely: A = (3 kg cow manure + 1 kg rice straw + 0 kg Coca-cola sludge); B = (2.5 kg cow manure + 1.5 kg rice straw + 0.5 kg Coca-cola sludge); C = (2 kg cow manure + 2 kg rice straw + 1 kg Coca-cola sludge); D = (1.5 kg cow manure + 2.5 kg rice straw + 1.5 kg Coca-cola sludge); E = (1 kg cow manure + 3 kg rice straw + 2 kg Coca-cola sludge); F =( 0.5 kg cow manure + 3.5 kg rice straw + 2.5 kg Coca-cola sludge); G =(2.5 kg goat manure + 1.5 kg rice straw + 0.5 kg Coca-cola sludge); H =(2 kg goat manure + 2 kg rice straw + 1 kg Coca-cola sludge); I =(1.5 kg goat manure + 2.5 kg rice straw + 1.5 kg Coca-cola sludge); J =(0.5 kg goat manure + 3.5 kg rice straw + 2.5 kg Coca-cola sludge); K = (3 kg Goat manure + 1 kg rice straw + 0.5 kg Coca-cola sludge). Each treatment was repeated 3 times so that 33 experiments were obtained.The results showed that treatment G = (2.5 kg goat manure + 1.5 kg rice straw + 0.5 kg Coca-cola sludge) gave the best compost quality as indicated by the highest N, P, and K parameter values, the best C/N ratio, and pH is close to neutral. It should be tried to be applied in the field for plant growth and production.

Aplikasi Plant Growth Promoting Rhizobacteria (PGPR) dan Limbah Air Kolam Lele dengan Sistem Irigasi Tetes terhadap Pertumbuhan dan Hasil Tanaman Pakcoy (Brassica rapa L.) I GEDE KRISNA PRATAMA PUTRA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 12 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i02.p01

The Application of Plant Growth Promoting Rhizobacteria (PGPR) and the Waste of Catfish Tank Water with Drip Irrigation System towards the Growth and the Yield of Pakcoy (Brassica rapa L.). Pakcoy (Brassica rapa L.) is a leaf vegetable commodity belonging to the Brassicaceae family. The productivity of the mustard plant has fluctuated in recent years. To handle that, it is necessary to innovate the treatment techniques in the cultivation of pakcoy. The application of PGPR and waste of catfish tank water using a drip irrigation system is one solution to improve the quality and production of pakcoy. This research aims to find the best dose of PGPR when combined with the waste of catfish tank water. This research used a split-plot randomized block design with 2 factors. The first factor was a resource of irrigation water which consists of 2 treatments level, namely the irrigation without the waste of catfish tank water and irrigation with the waste of catfish tank water. Meanwhile, the second factor was the dose of PGPR which consists of 5 treatments level, i.e. PGPR dose of 0, 100, 200, 300, and 400 ml/plant. The results showed that the application of PGPR at a dose of 200 ml/plant was able to provide better growth and yield of pakcoy than the other PGPR doses. This can be seen from the fresh weight of the pakcoy crown, which is 42.64 g. Furthermore, the factor of irrigation water sources with the waste of catfish tank water provided the highest yield of pakcoy for all observation variables. The interaction of PGPR dose of 200 ml/plant and waste of catfish tank water gave the highest crown fresh weight of 23.45 g.

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Contact Name
-

Contact Email
-

Phone
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Journal Mail Official
-

Editorial Address
-

Location
Kota denpasar,

Bali

INDONESIA