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Agrotechnology Research Journal
Published by Perkumpulan Agroteknologi/Agroekoteknologi Indonesia
ISSN : 26557924     EISSN : 26147416     DOI : https://doi.org/10.20961/agrotechresj
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Agrotechnology Research Journal is a change of name from the Journal of Agronomy Research. This Journal is Published twice a year by Indonesian Agrotechnological/Agroecotechnological Society (IAAS/PAGI) in collaboration with Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret. This Journal accepts research articles, reviews, and important ideas in agriculture with the theme of Technology and management of Plant Production, Plant Breeding, Land Management Technology, and Plant Protection Technology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 140 Documents
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Pola Perkembangan Penyakit Bercak Bakteri (Xanthomonas campestris pv. vesicatoria) dan Penetapan Prediktor Waktu untuk Menduga Kehilangan Hasil Tomat Budi Santosa; Muhammad Amri; Yurma Metri
Agrotechnology Research Journal Vol 8, No 2 (2024): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v8i2.94965

Abstract

The aim of the research was to obtain the most precise pattern of development of bacterial disease (Xanthomonas campestris pv. vesicatoria) and determine the relationship between the intensity of bacterial spot disease and yield loss of tomato plants (Lycopersicum esculentum Mill.). The research was carried out in Solok Regency at an altitude of 388 m above sea level from June to December 2022. To determine the most appropriate pattern of disease development, two mathematical models were tested: Logistic and Gompertz’s models, which were corrected by Campbell and Madden as well as Neher and Campbell. The yield loss estimation method uses a single disease forecasting system with a single critical time type. The disease was measured at several plant ages according to the growth phase from the base point of 0 DAP, then at ages 26, 31, 36, 41, 46, 51, 56, 61, 66, and 71 days after planting. Variation in disease severity was created by inoculating plants through several inoculum densities. The results showed that the development of Xcv disease follows Gompertz’s model, and the critical time to determine the relationship between disease intensity and yield loss follows the rank regression model with a critical time at plant age of 31 days after planting.
Potensi Komunitas Bakteri Simbion Cacing Tanah Vermiwash dalam Memproduksi Fitohormon IAA pada Jagung Akhmad Rizal Oktafian; Erfan Dani Septia; Fatimah Nursandi
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.81348

Abstract

Bacteria living in the digestive system of earthworms (Eudrilus eugeniae) can play a role in transforming organic compounds found in the organic matter digested by the worms into simple compounds, including compounds containing indole. During the fermentation process in vermiwash, bacteria will consume the organic matter in worm waste and produce IAA as a byproduct of metabolism. This research aims to analyse the potential symbiotic bacterial communities in vermiwash from earthworms (African Night Crawler) in producing the plant hormone IAA (Indole Acetic Acid). The research method involves collecting vermiwash from earthworms and analysing its symbiotic bacterial composition. Symbiotic bacterial isolates from vermiwash were tested for their ability to produce IAA through biochemical techniques, followed by bioinformatic analysis. The research results show that vermiwash contains a potential symbiotic bacterial community capable of producing IAA. Three isolates out of 10 types of symbiotic bacteria yielded positive results by showing a pink colour change after adding the Salkowski reagent. Therefore, these symbiotic bacteria can be utilized as a source of the plant hormone IAA, which can be used as organic fertilizer. Increased IAA production in vermiwash, can accelerate plant growth, enhance root formation, and optimize overall plant production. The application of a bacterial consortium can significantly influence the plant height, leaf area, and root length while having a non-significant impact on the stem diameter of corn.
Pengaruh Faktor Lingkungan terhadap Karakteristik Agronomi Kopi Robusta pada Dua Tipe Penaung dalam Sistem Agroforestri Nilasari Dewi; Ken Ilmaya Chairani
Agrotechnology Research Journal Vol 8, No 2 (2024): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v8i2.91189

Abstract

Coffee plants are one of the plantation crops cultivated in Indonesia. Coffee cultivation is generally carried out in agroforestry systems with shade plants such as rubber and sengon. The type of shade planted in coffee cultivation can affect temperature, humidity, and light intensity, all of which can influence the agronomic characteristics of coffee plants. This study aimed to analyze the effects of temperature, humidity, and light intensity on the agronomic characteristics of coffee plants grown under two types of shade in the agroforestry system. The research was conducted by measuring temperature, humidity, light intensity, and the agronomic characteristics of coffee plants in each observation plot. The data obtained were analyzed using SEM analysis and correlation methods. The average temperature in the agroforestry areas with rubber and sengon was 29.30˚C and 29.42˚C, respectively. The average humidity in the agroforestry areas with rubber and sengon shade was 65.72% and 64.76%, respectively. The average light intensity in the agroforestry areas with rubber shade was 35.79%, while in the sengon shade, it was 45.36%. Temperature and light intensity in both agroforestry systems exhibit a positive correlation with the number of productive branches and stomatal density of coffee plants. In contrast, humidity shows a negative correlation with chlorophyll content.
Response of Several Shallot (Allium cepa var. ascalonicum) Varieties to Alternaria porri M. Ibrahim Danuwikarsa; Bagus K. Udiarto; Dick Dick Maulana; Asri Suaidah
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.77300

Abstract

Shallots are a valuable commodity in Indonesian civilization. However, due to different obstacles, production remains low. The prevalence of purple blotch disease caused by Alternaria porri is one of the major challenges in shallot production. A fungus infects its host through the stomata. The use of resistant cultivars is one of the initiatives to combat purple blotch disease. This study aimed to determine the resistance of several shallot varieties to purple blotch disease, identify and obtain resistant shallot varieties, and determine the relationship between stomatal density and the average intensity of the purple blotch disease attack. This study uses shallot cultivars released by the Balai Penelitian Tanaman Sayuran (BALITSA) Lembang. This study employed a randomized completely block design (RCBD) with ten shallot varieties as the treatments with three replications. The Agrihorti-1 and Katumi varieties had the lowest attack intensity, while the Sembrani and Maja Cipanas varieties had the highest assault intensity. Bima Brebes, Trisula, Mentes, Violetta-1, Kramat-1, Agrihorti-1, Agrihorti-2, and Katumi varieties were resistant to purple blotch disease, however, Sembrani and Maja Cipanas were susceptible. A low or weakly positive association exists between stomata density and the mean intensity of purple blotch illness.
Response of Growth and Yield of Mint (Mentha spicata) Cuttings to Auxin and Composition of Planting Media Eddy Triharyanto; Bambang Pujiasmanto; Pardono Pardono; Aisyah Taqiyyah Fa’izah
Agrotechnology Research Journal Vol 7, No 1 (2023): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i1.76700

Abstract

Consumption of herbal medicines by Indonesian people is increasing because of the price and ease of obtaining them. One of the main ingredients of herbal medicine is mint leaves because they contain tannin and flavonoid secondary metabolites. However, the generative mint plant is very slow and needs vegetative cuttings propagation. This study aims to examine the effect of auxin-type growth regulators and the composition of the growing media on the growth and yield of mint plant cuttings. This study used a complete randomized block design with two factors. The first factor was the auxin growth regulator with four levels: without growth regulator, IBA 500 ppm, IAA 500 ppm, NAA 500 ppm. The second factor was the composition of the planting medium with three levels, namely soil, husk charcoal, and goat manure 3:3:1; 3:2:2, and 3:1:3. Three repetitions were carried out. Auxin affects the number and area of leaves. Applying 500 ppm NAA encouraged the highest leaf growth, with the number of leaves at 163.38. Growth regulator NAA 500 ppm increased the number of leaves and leaf area of mint plants, i.e., by 0.01% and 1.16% compared to the control. The growing media composition affected the crown fresh weight, root biomass, and crown root ratio. The media composition of 3:3:1 produced a crown fresh weight of 41.07 g, and the media composition 3:3:3 produced the highest biomass of 5.97 g. The media composition 3:1:3 showed the highest root crown ratio, 2.69%. Auxin and the composition of the growing media synergistically promote the growth and yield of mint cuttings.
Growth and Yield of Three Varieties of True Shallot Seed with Application of Plant Growth Regulators and Boron Formulations Sulandjari Sulandjari; Eddy Triharyanto; Djoko Purnomo; Endang Setia Muliawati; Hasbiya Rizqy Sabrina Sobari Putri
Agrotechnology Research Journal Vol 9, No 1 (2025): Agrotechnology Research Journal (June-In Press)
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

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

Abstract

Optimization of shallot production can use True Shallot Seed (TSS) and Plant Growth Regulator (PGR) + Boron formulation. The purpose of the study was to identify superior varieties that respond to the concentration of PGR + Boron formulation and can provide the best results. The research location was at 7°32’30” N and 110°48’32” E, from October 2023 to February 2024. A randomized complete block design factorial with two treatment factors was used, each repeated three times. The first is the type of variety (Lokananta, Maserati, and Sanren), the second is the type of PGR + Boron formulation, the composition of GA3+BAP+Boron (ppm:ppm:kg.ha-1) with four levels, that were 0:0:0, 50:25:2, 100:50:2, and 150:75:2. Conclusion, The Maserati variety of shallots from TSS with a PGR formulation of 100 ppm GA3 + 50 ppm BAP + 2 kg.ha-1 Boron produces better growth and yields than the Lokananta and Sanren varieties.
Pupuk Organik Cair Ampas Kopi terhadap Karakteristik Fisiologi dan Pertumbuhan Kangkung Darat Djoko Purnomo; Gani Cahyo Handoyo; Muji Rahayu; Alya Sausan Fauziyah
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.83697

Abstract

Extended use of synthetic chemical fertilizers may degrade soil quality. As a synthetic chemical fertilizer substitute, organic fertilizer can improve soil quality, produce healthier agricultural products, and be environmentally sustainable. Thus, coffee grounds liquid organic fertilizer may solve this problem. This study examines how liquid organic fertilizer made from coffee grounds affects land kale's physiological and growth characteristics. A fully randomized experimental design with one factor and 11 treatments was used. A control group, NPK-16-16-16 4 g, and Arabica, Robusta, and Liberica coffee were treated with three concentrations (4 mL.L-1, 12 mL.L-1, and 20 mL.L-1). Four replicates were run for each treatment. The investigation found that coffee ground liquid organic fertilizer does not meet Minister of Agriculture Decree 261/KPTS/SR.310/M/4/2019 criteria. Compared to the control group, liquid organic fertilizer made from coffee grounds did not increase land kale growth. Additionally, it did not grow as well as with NPK16-16-16 fertilizer. Coffee grinds liquid organic fertilizer only enhances kale growing on land, promoting sustainable agriculture.
Potential of Various Rice-Washing Water as a Source of Manufacturing Secondary Metabolites of Trichoderma harzianum T10 to Control Cucumber Crown and Root Rot Loekas Soesanto; Michelia Alba Dapawole; Murti Wisnu Ragil Sastyawan; Endang Mugiastuti; Abdul Manan; Dina Istiqomah
Agrotechnology Research Journal Vol 8, No 2 (2024): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v8i2.92490

Abstract

Cucumber is one of the most widely consumed vegetable crops globally. Rice-washing water has not been previously explored as a potential source for producing secondary metabolites from antagonistic fungi. Phytophthora species frequently affect cucumber seedlings, leading to crown and root rot. This research aimed to assess the efficacy of washing water from various rice types on the conidial density of Trichoderma harzianum T10 and its impact on crown and root rot in cucumber seedlings and overall plant growth. We conducted four treatments with rice washing water in vitro under a completely randomized design, comprising six replicates. Five treatments were evaluated in planta under a randomized block design with five replicates. The observed variables included conidial density, incubation period, disease incidence, disease progression expressed as the Area Under the Disease Progress Curve (AUDPC), plant height, fresh weight, and root length. The results indicated that washing water from glutinous rice provided the optimal medium for T. harzianum T10, yielding a conidial density of 10.3 × 10-6 conidia mL-1, representing a 66.02% increase compared to washing water from white rice. The crude secondary metabolites produced by T. harzianum T10 in glutinous rice washing water significantly extended the incubation period and reduced disease incidence and AUDPC values by 40.34, 62.07, and 69.41%, respectively, compared to the control. Furthermore, the secondary metabolites from T. harzianum T10 in glutinous rice washing water enhanced plant height, fresh weight, and root length by 91.81, 92.42, and 95.21%, respectively, compared to the control.
Toxicity Tests of Botanical Pesticide Made of Tuba Root Extract on Spodoptera frugiperda Mukhlis Ibrahim; Edhi Martono; Siwi Indarti
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.77815

Abstract

One of the main pests that attack corn plants is Spodoptera frugiperda J. E. Smith. The usual control of this pest is by using synthetic insecticides, but the continuous or unwise use of synthetic insecticides will have negative impacts on humans and the environment, therefore alternative insecticides that are safe and environmentally friendly, such as tuba root (Derris elliptica Benth) are needed. This study aims to determine the effect of tuba root extract phytopesticide on S. frugiperda larvae and to determine the concentration of tuba root extract that is effective in controlling S. frugiperda larvae, as well as the eating inhibition power of S. frugiperda larvae after administration. The research was conducted at the Applied Entomology Laboratory, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta from September to November 2022. The treatment concentrations used were 0, 2, 4, and 8 mL.L-1 of water. The experiment employed Completely Randomized Design (CRD) with four treatments and five replications. The results showed that the concentration of 4 mL.L-1 of water is an effective concentration for controlling S. frugiperda larvae and can cause a total mortality of 82% with an initial death of 19 hours, Lethal Time 50 at 39.20 hours after application. In addition, the concentration of tuba root powder extract of 8 mL.L-1 of water appeared to be the highest in reducing the appetite of larvae compared to other treatments with a rate of 17.03%. This showed the highest reduction in larval appetite compared to other treatments. A small amount of feed eaten means a high level of antifeedant activity.
Development of an IoT-Based Device for Real-Time Detection of Soil NPK Nutrient Content to Optimize Soybean Yields Doan Perdana; Ongko Cahyono; Suntoro Suntoro
Agrotechnology Research Journal Vol 8, No 2 (2024): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v8i2.98098

Abstract

The optimal growth of soybean plants is critically dependent on the availability of essential nutrients in the soil, particularly nitrogen (N), phosphorus (P), and potassium (K). Plants achieve optimal growth when nutrient levels exceed deficiency thresholds. A significant challenge in soybean cultivation at the farmer level is the precise determination of fertilizer dosage and timing of application. This study presents an Internet of Things (IoT)-based device for the real-time detection of NPK nutrient content in soil, aimed at enhancing soybean yields. The device enables timely and accurate nutrient application, minimizing the soil's residual fertilizer risk, which can lead to environmental pollution and decreased land productivity. Field experiments were conducted to evaluate NPK fertilization methods on soybean crops in two distinct soil types, namely Vertisol and Entisol. The methodology involved comparing local farmers' fertilization practices with the recommendations derived from the NPK detection device. Results illustrated a significant increase in soybean yields when fertilization was performed according to the device's recommendations, yielding an increase from 1.2 to 1.79 t.ha-1 on Vertisol soil and from 1.75 to 2.57 t.ha-1 on Entisol soil.

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