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AGROTEK: Jurnal Ilmiah Ilmu Pertanian
Published by Universitas Muslim Indonesia
ISSN : 1907574X     EISSN : 25813021     DOI : -
Core Subject : Science, Social,
Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology
Jurnal AGROTEK merupakan Jurnal Ilmiah berkala yang dikelola oleh Program Studi Agroteknologi Fakultas Pertanian UMI yang versi Cetaknya diterbitkan oleh Percetakan Umi Toaha Makassar (Unit Percetakan UMI). Jurnal AGROTEK merupakan Jurnal yang memuat hasil-hasil penelitian dan ulasan dalam bidang agroteknologi pertanian.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 188 Documents
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Phosphate Uptake, Mycorrhiza Colonization and Yield of Soybean on Ultisols Affected by Water Stress and Mycorrhiza Fitriatin, Betty Natalie; Nurbaity, Anne; Suriadikusumah, Abraham
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1176

Abstract

Mycorrhizal symbiosis can enhance nutrient uptake, especially phosphorus, by plants and increase plants’ drought resistance as well.  An experiment was set up to investigate the effects of water stress and mycorrhizal inoculation on phosphate uptake, mycorrhizal colonization, growth, and the yield of soybean.  The experiment design used was Factorial Randomized Block, which consisted of two factors. The first factor was water stress, which consisted of three levels, i.e., 100 % field capacity; 75 % field capacity, and 50 % field capacity.  The second factor was mycorrhiza, which consisted of three levels, i.e., without mycorrhizal inoculation, 10, and 20 g of mycorrhizal inoculant.  The experiment consisted of two units with three replications; the first unit was harvested at the end of the vegetative period to observe plant uptake of phosphorus, percentage of mycorrhizal infection, and dry weight of soybean, and the second unit was harvested at the end of the generative period to find out the yield of soybean. The results of this experiment showed that there was no interaction effect between water stress and mycorrhizal inoculation on plant uptake of phosphorus,  percentage of mycorrhizal infection, dry weight, and yield of soybean.  Water stress decreased phosphate uptake,  percentage of mycorrhizal infection, dry weight, and yield of soybean. Mycorrhizal inoculation increased phosphate uptake and the percentage of mycorrhizal infection.
IDENTIFIKASI PENYEBAB PENYAKIT BULAI PADA TANAMAN JAGUNG DI SULAWESI SELATAN MENGGUNAKAN PENDEKATAN POLYMERASE CHAIN REACTION Thamrin, Adriati; Herman, Herman; Mustaka, Zulfitriany D.; Ibrahim, Helda
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1168

Abstract

Downy mildew remains one of the major constraints in maize production in South Sulawesi and is commonly diagnosed based on visual symptoms in the field. This study aimed to identify the causal agent of downy mildew in maize using a molecular approach based on Polymerase Chain Reaction (PCR). Leaf samples showing downy mildew-like symptoms were collected from nine major maize-producing districts in South Sulawesi, namely Gowa, Jeneponto, Bone, Sidrap, Pinrang, Wajo, Enrekang, Sinjai, and Soppeng. Pathogen detection was performed using specific primers PpUF and PpUR targeting Peronosclerospora spp. The PCR results revealed that Peronosclerospora spp. was positively detected in most sampling locations, particularly in Gowa, Jeneponto, Bone, Sidrap, Pinrang, Wajo, Enrekang, and Soppeng. In contrast, samples from Sinjai showed negative PCR results despite exhibiting visual symptoms resembling downy mildew. These findings indicate that field symptoms do not always correspond to the actual presence of Peronosclerospora spp. at the molecular level. This study highlights the importance of molecular-based diagnosis in improving the accuracy of downy mildew identification and provides a scientific basis for more precise and evidence-based disease management strategies in maize cultivation.
RESPON PERTUMBUHAN BEBERAPA VARIETAS PADI SETELAH REMEDIASI TANAH YANG TERDAMPAK LIMBAH TAMBANG Basyaruddin, Muh; Mustafa, Marlina; Mustafa, Mustafa; Afandi, Muhammad Al
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1177

Abstract

This study aims to determine the growth response of several rice varieties on land remediated due to nickel mining waste impacts, as well as to identify the variety with the best growth and production. The research was conducted at the experimental field of the Faculty of Agriculture, Fisheries, and Animal Husbandry, University of SembilanBelas November Kolaka, from July to October 2025. The research method used a Randomized Block Design (RBD) with treatments consisting of five rice varieties: MR, Birma, IPB 9 G, Inpari 42, and IPB 15 S, with three replications. Soil remediation was carried out through the application of biochar and a phytoremediation system before use as a growing medium. The observed parameters included plant height, number of tillers, leaf area, and leaf color. Analysis of variance showed that varieties had a highly significant effect on plant height, but no significant effect on the number of tillers, leaf area, and leaf color. The Birma variety produced the highest average plant height (96.17 cm) and was significantly different from other varieties, while the MR variety showed the lowest growth (65.33 cm). The results indicate that the remediation process was able to maintain soil condition stability although it was still in the acidic category. In general, the application of biochar and phytoremediation was able to support the vegetative growth of rice plants on mining waste-affected land. The Birma variety is recommended as the most adaptive and potential variety to be developed on post-mining land
OPTIMASI TEKNOLOGI PRODUKSI BENIH KENTANG VERIETAS CP3 MELALUI PENGATURAN JARAK TANAM DAN APLIKASI PGPR DI LAPANGAN Usman, Hardiana; Netty, Netty; Numba, Sudirman
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1169

Abstract

Increasing potato seed production requires implementing appropriate cultivation technologies, particularly in plant spacing management and the use of biological agents such as Plant Growth-Promoting Rhizobacteria (PGPR). This study aimed to analyze the interaction effect between plant spacing and PGPR application on the growth and yield of CP3 potato seed under field conditions and to determine the optimal treatment combination for producing small-sized tubers suitable for seed purposes. The research was conducted from August to December at P4S Bulu Ballea, Gowa Regency, located at an altitude of approximately 1,200 m above sea level, using a two-factor Randomized Block Design (RBD) with three replications. The first factor consisted of plant spacing (40 cm × 30 cm, 40 cm × 20 cm, and 40 cm × 10 cm), while the second factor was PGPR concentration (20, 30, and 40 ml l⁻¹). The observed parameters included plant height, number of leaves, stem diameter, number of branches, tuber diameter, number of tubers per plant, tuber weight per plant, tuber weight per plot, and productivity per hectare. Data were analyzed using analysis of variance (ANOVA) followed by the Honestly Significant Difference (HSD) test at the 5% significance level. The results showed that PGPR application significantly affected plant height (92.04 cm) and tuber diameter (7.74 mm), whereas plant spacing significantly influenced the number of branches (3.29 branches), tuber length (7.03 cm), tuber diameter (53.30 mm), tuber weight per plant (99.81 g), tuber weight per plot (1,083.00 g), and yield (10.83 t ha⁻¹). The closest spacing (40 cm × 10 cm) produced tuber sizes suitable for seed production. These findings indicate that optimizing plant spacing and PGPR application synergistically enhances CP3 potato seed production under field conditions.
ANALISIS KANDUNGAN KADMIUM (Cd) PADA UMBI PORANG (Amorphophallus muelleri) PADA BERBAGAI JENIS LAHAN BUDIDAYA DI SULAWESI SELATAN Martam, Fitry; Herman, Herman; Mustaka, Zulfitriany D; Ibrahim, Helda
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1179

Abstract

Porang (Amorphophallus muelleri) has emerged as an important agricultural commodity in Indonesia, yet food safety concerns related to heavy metal contamination, particularly cadmium (Cd), remain insufficiently explored. This study aimed to analyze Cd concentrations in porang tubers cultivated under different land-use types and to evaluate the influence of land characteristics on Cd accumulation. A quantitative approach with purposive sampling was employed. Nine composite tuber samples were collected from monoculture fields, mixed cropping systems, and home garden environments. Sample preparation involved wet digestion using HNO₃ and H₂O₂ assisted by microwave digestion, followed by measurement using Atomic Absorption Spectrophotometry (AAS). Data were analyzed using descriptive statistics and One-Way ANOVA. The results showed that Cd concentrations ranged from 0.0005 to 0.0262 mg/kg, with the highest average detected in home garden systems (0.0122 mg/kg) and the lowest in monoculture fields (0.0021 mg/kg). However, statistical analysis indicated that land-use type did not significantly affect Cd accumulation (p = 0.298). All measured concentrations remained below the maximum permissible limit established by Indonesian National Standard SNI 7939:2020 (0.05 mg/kg). These findings indicate that porang tubers are currently safe for consumption, although continuous environmental monitoring is necessary to prevent long-term contamination risks.
PENGARUH PEMBERIAN Trichoderma asperellum TZ11DI1 TERHADAP PENYAKIT LAYU FUSARIUM (Fusarium sp.) DAN PRODUKSI TANAMAN BAWANG MERAH (Allium ascalonicum L.) Talib, Nurdila; Iswati, Rida; Pulogu, Siska Irhamnawati
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1170

Abstract

This study aims to determine the administration of Trichoderma asperellum TZ11DI1 against Fusarium wilt disease in shallot plants. This study was conducted at the Laboratory of the Agricultural Plant Protection Agency of Gorontalo Province and agricultural land in Hulawa Village, Telaga District, Gorontalo Regency, from February to May 2025. This study used a Completely Randomized Design (CRD) with negative control treatments (T0), Positive control of chemical pesticide application (T1), application of Trichoderma Asperellum TZ11DI1 5 grams (T3), application of Trichoderma Asperellum TZ11DI1 10 grams (T2), and application of Trichoderma Asperellum TZ11DI1 15 grams (T3) each repeated 8 times, so that 40 experimental units were obtained. The variables observed were the incubation period, disease incidence, attack intensity, number of bulbs, and bulb weight. Data analysis used ANOVA and a further LSD test at a significance level of 5%. The results showed that T. asperellum TZ11DI1 treatment was effective in extending the incubation period, reducing disease incidence, and reducing the intensity of Fusarium wilt disease attacks on shallot plants. A higher dose of T. asperellum TZ11DI1 15 grams) significantly reduced the attack rate and produced an average bulb weight of 56.46 g, and the number of bulbs was 18.25 per clump.
PEMANFAATAN EKSTRAK AMPAS TAHU SEBAGAI MEDIA Trichoderma brevicompactum DALAM MENEKAN Fusarium sp. DAN MENINGKATKAN PERKECAMBAHAN BENIH CABAI Amas, Aldianto S.; Iswati, Rida; Musa, Nikmah
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1180

Abstract

Chili peppers (Capsicum annuum L.) are a commodity with high economic value and a very high consumption rate in Indonesia. The high demand is not matched by the availability of production, because chili plants are susceptible to Fusarium sp. disease. Farmers control the disease using chemical pesticides, the use of which causes negative impacts such as land degradation, death of natural enemies, and environmental pollution. A more environmentally friendly control alternative is Trichoderma sp., which is able to suppress Fusarium sp. pathogens and has the potential to increase plant growth. In this study, tofu dregs extract was used as a propagation medium for T. brevicompactum. This study aimed to examine the potential of tofu dregs extract as a propagation medium for T. brevicompactum, assess the effectiveness of the formulation in inhibiting Fusarium sp. in vitro, and evaluate its effect on chili seed germination. The research activities were carried out experimentally from April–July 2025 at the Biological Agent Laboratory of BPTPH Gorontalo Province. Observed parameters included media characteristics, growth and sporulation of T. brevicompactum, inhibition against Fusarium sp., and the formulation's ability to increase chili seed germination. Data were analyzed descriptively for the physical properties of the media, using a t test for spore density, and ANOVA followed by a 5% BNJ test for seed growth parameters. The results showed that tofu dregs extract effectively supported the growth and sporulation of T. brevicompactum. The resulting formulation effectively inhibited Fusarium sp. in vitro and increased chili seed viability in in vivo tests, with germination values equivalent to fungicide treatment. Tofu dregs extract has the potential to be a propagation medium for T. brevicompactum and its application as a biopesticide to suppress Fusarium sp. disease and stimulate chili seed germination.
PEMANFAATAN LIMBAH KULIT JENGKOL SEBAGAI BAHAN DASAR PEMBUATAN PUPUK ORGANIK PADA TANAMAN SAWI CAISIM (Brassica Juncea L.) Azzahra, Fatimah; Durubanua, Derita Ramai; Manurung, Sakira Putri; Simbolon, Kurnia; Hasan, Sri Muthia; Novira, Nina
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1174

Abstract

This study aims to utilize jengkol peel waste as a raw material for making liquid organic fertilizer (POC) and to analyze its effect on the growth of mustard greens (Brassica juncea L.). The study used a quasi-experimental design method consisting of two groups, namely the treatment group (using jengkol peel POC) and the control group (using chemical fertilizer). The study was conducted in Medan Tembung District, Deli Serdang Regency, for 45 days. The results showed that mustard greens given liquid organic fertilizer experienced increased growth. The t-test results showed a significance value <0.05 for all observation parameters, which means there was a significant difference in growth between the two treatments. In addition, jengkol peel POC was proven to be effective in suppressing weed growth around the plants due to the content of allelopathic compounds such as tannins, saponins, and alkaloids. These findings indicate that jengkol peel waste has great potential as a raw material for liquid organic fertilizer that is environmentally friendly, economically valuable, and supports sustainable agriculture

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