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Pebra Heriansyah
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Faculty of Agricultural Sciences, Islamic University of Kuantan Singingi Campus Kebun Nenas, Jake Jl. Gatot Subroto KM. 7. Kebun Nenas Jake, Kuantan Singingi, Riau Indonesia 29566
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INDONESIA
Jurnal Agronomi Tanaman Tropika (JUATIKA)
Published by Universitas Islam Kuantan Singingi
ISSN : 2684785X     EISSN : 26561727     DOI : https://doi.org/10.36378/juatika.v7i1
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agronomi Tanaman Tropika (JUATIKA) contains original articles of research, review article/literature review in Agronomy, Plant Protection, and Soil Science
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 327 Documents
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The Effect of Organic PGR Application from Mung Bean Sprouts Extract on the Growth of Stem Cuttings of Honey Water Apple Plants (Syzygium aqueum) in Danau Balai Village Bimo Prasetyo; Khairul Rizal; Fitra Syawal Harahap; Hilwa Walida
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4774

Abstract

Honey water guava (Syzygium aqueum) is one of the newest high-quality commodities and is increasingly being cultivated by farmers in various regions. This study aimed to evaluate the effects of applying organic plant growth regulators (PGRs) derived from sprout extracts at different doses on the growth of water apple (Syzygium aqueum) plants. A completely randomized design (CRD) with a single treatment factor was employed. The results demonstrated that the 60 mL treatment of ZPT Organic Benefits Extract was the most effective in promoting plant growth, achieving an average height of 10.8 cm and five shoots at 4 weeks after planting (WAP), compared to the control treatment, which reached only 8 cm in height and two shoots. These findings indicate that the 60 mL dose of organic PGR extract from sprouts significantly enhanced growth and stimulated shoot development relative to the other treatments.
The Effect of Gamma Ray Radiation on the Growth of Local Rice Plants (Oryza sativa L.) Silumat Variety Danu Lesmana; Siti Hartati Yusida Saragih; Ika Ayu Putri Septyani; Yusmaidar Sepriani
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4775

Abstract

Rice is a staple food and a primary ingredient for many communities. The available rice supply is expected to meet the growing demand. This study aims to investigate the effects of gamma-ray radiation on the growth of rice plants of the Silumat variety and to determine the optimal gamma-ray radiation dose for their growth. The research employs an experimental method using a non-factorial Randomized Block Design (RBD) with 10 treatment levels: R0 = Control (No Radiation), and radiation doses of 50, 100, 150, 200, 250, 300, 350, 400, and 450 Grey. The results showed that gamma radiation significantly affected the viability, plant height, and number of tillers in the local rice variety Silumat (Oryza sativa L.). Low doses, particularly 50 Gy and 100 Gy, exhibited a stimulating effect (hormesis), enhancing germination, plant height, and tillering. In contrast, higher doses (>150 Gy) tended to reduce all parameters due to physiological and genetic damage. This study provides specific information on the optimal gamma radiation dose range to stimulate the growth of the Silumat variety, which can serve as a reference for plant breeding programs based on induction treatment.
Improving the Quality of Coconut Fruit (Cocos nucifera L.) by Adjusting Planting Age Eko Wahyudi; M. Amrul Khoiri; Qory Fadillah Cahya; Anthony Hamzah; Rizki Al Khairi Barus
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4776

Abstract

Coconut (Cocos nucifera L.) is a strategic plantation crop in Indonesia, playing important roles in society, the economy, and industry. Indragiri Hilir Regency is the largest producer of coconut in Riau Province; however, productivity has declined as plantations have aged. This study aimed to analyze the quality of coconut fruit based on plant age. A non-experimental comparative observational design was employed with three plant age treatments (15, 20, and 25 years). Each treatment was replicated six times, yielding 18 experimental units. Each unit consisted of two sample plants, totaling 36 plants. The measured parameters included endosperm thickness (mm), oil yield (%), and oil moisture content (%). For oil yield and moisture analysis, two mature coconuts were collected from each plant and analyzed in the laboratory, resulting in 36 samples. Data were analyzed using one-way ANOVA, and significant results were further tested using Tukey's HSD at the 5% level. The results showed that plant age had a considerable effect on endosperm thickness, oil yield, and moisture content. These findings suggest that plant age affects coconut fruit quality, with 25-year-old trees producing the highest-quality fruits in the Tembilahan Hulu District, Indragiri Hilir Regency. This study offers recommendations for coconut farmers to optimize cultivation strategies, thereby enhancing production and fruit quality.
Characterization of the Phytochemical Profile of Petroselinum Crispum Leaves in Central Kalimantan Habitat as a Basis for Pharmacological Potential Exploration Nadia Dwi Nur Latifah; Noor Hujjatusnaini; Ridha Nirmalasari
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4787

Abstract

This study aimed to characterize the phytochemical profile of Petroselinum crispum leaves cultivated in Central Kalimantan as a basis for exploring their pharmacological potential. P. crispum is a horticultural commodity of high economic value, widely used both as a culinary spice and in traditional medicine, making it a promising candidate for further development. The analysis focused on flavonoids, tocopherols, ascorbic acid, and estrogen content, using UV-Vis spectrophotometry. Results showed that flavonoid concentrations increased with higher quercetin standards, reaching a maximum of 0.92 mgQE/g at 100 µg/mL. In contrast, tocopherol and ascorbic acid levels declined as quercetin concentrations increased, suggesting that the compounds may have undergone degradation or interaction. Estrogen levels were recorded at 28.40 ng/mL with an absorbance of 0.498 and a regression equation of y = 0.0173x + 0.007 (R² = 0.998). The substantial flavonoid content and detectable estrogenic activity highlight P. crispum as a potential source of natural active compounds for antioxidant and hormonal therapy. These findings support the recommendation of P. crispum as a raw material for developing safe, affordable, and effective herbal supplements and phytopharmaceuticals to promote public health.
Applying Gamma Ray Radiation on Ciherang Rice Plants (Oryza sativa L.) Growth Efraim Butar Butar; Siti Hartati Yusida Saragih; Novilda Elizabeth Mustamu; Badrul Ainy Dalimunthe
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4790

Abstract

The Ciherang rice variety, favored by farmers for its high productivity and resistance to several diseases, has recently shown a decline in performance due to environmental stress and suboptimal adaptation to climate change. This study aimed to determine the extent to which gamma ray exposure affects the growth of Ciherang rice plants. The research employed an experimental method using a single-factor Completely Randomized Design (CRD) with 10 treatments: 0, 50, 100, 150, 200, 250, 300, 350, 400, and 450 Gy, each repeated three times. Consequently, 30 experimental units were established and analyzed using analysis of variance (ANOVA) with SPSS software, followed by Duncan's Multiple Range Test (DMRT) at a 5% significance level. The results demonstrated that gamma-ray radiation significantly affected plant growth and development, with responses varying according to the administered dose. Notably, the 100 ash treatment consistently outperformed others across the three measured parameters: it exhibited the highest germination rate (71%), the most significant plant height at all observation intervals (21.2 cm at 2 weeks after planting [WAP], 51.33 cm at 4 WAP, and 88.33 cm at 6 WAP), and the highest number of tillers (3.66, 6.66, and 14 tillers at the respective time points).
The Effect of Kasgot Fertilizer Application on the Chemical Properties of Soil Planted with Cucumbers (Cucumis sativus L.) Ridho Septyan; Hilwa Walida; Fitra Syawal Harahap; Ika Ayu Putri Septyani
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4791

Abstract

Sustainable agriculture requires the prudent management of natural resources, including the judicious use of fertilizers and other inputs. One of the primary challenges faced by farmers is the decline in soil fertility resulting from the prolonged use of chemical fertilizers. This study aims to evaluate the effect of Kasgot fertilizer on soil chemical properties, specifically soil pH, organic carbon content, total nitrogen (N), available phosphorus (P), and available potassium (K), in cucumber cultivation. Soil sampling was conducted using a proportional sampling method, where sample points were selected based on soil availability and were representative of the cucumber cultivation area. The results indicated that, based on the analysis of phosphorus (P) and potassium (K) nutrient content, the treatment with 5 grams per planting hole was most effective in increasing phosphorus availability to 0.2907%, classified as high. Meanwhile, the treatments with 10 grams and 20 grams per planting hole were more effective in increasing soil potassium content to 0.0724% and 0.0708%, respectively, both of which were classified as moderate to high.
Exploration of Phytochemical and Morphological Profile of Melastoma malabathricum from Central Kalimantan as a Tropical Plant with Therapeutic Value Noor Hujjatusnaini; Dita Sevtia; Ridha Nirmalasari
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4802

Abstract

This study aimed to explore the morphological characteristics and phytochemical content of Melastoma malabathricum, a tropical plant native to Central Kalimantan, recognized for its therapeutic potential. Sampling was conducted purposively in its natural habitat, followed by morphological description and preliminary phytochemical tests to identify secondary metabolites using standard phytochemical screening methods (tube test). The results revealed that M. malabathricum exhibits distinctive morphological features in both vegetative and reproductive organs, including woody stems with prominent branches, single elliptical leaves with three pinnate veins and a hairy underside, bright purple flowers with prominent petals, small, round fruits that turn purple-black when ripe, and taproots with numerous branches. Phytochemical tests revealed the presence of flavonoids, tannins, saponins, and alkaloids, supporting the plant's pharmacological potential. Traditionally, this species has been used as a wound healer, anti-inflammatory agent, and antimicrobial remedy. M. malabathricum shows promise as a valuable source of natural bioactive compounds, facilitating research into the development of modern herbal medicines. These findings confirm that M. malabathricum not only exhibits unique morphological characteristics typical of tropical habitats but also holds significant potential for advancement in health and pharmacology. Due to its diverse secondary metabolite profile, this plant is an excellent candidate for phytopharmaceutical raw materials, warranting further research focused on isolating active compounds and evaluating their biological activities both in vitro and in vivo.
Secondary Metabolite Content and Antioxidant Activity of Ethanol Extract of Tali Putri (Cuscuta australis) at Different Heights Places Rangga Arnelio; Aprizal Zainal; Benni Satria
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4804

Abstract

Cuscuta australis (commonly known as Tali Putri) is a parasitic weed that extracts water, minerals, and nutrients from its host plants to sustain its life cycle. Among its shared hosts, Asystasia gangetica (Israel grass) is highly susceptible due to its soft stem structure, which facilitates haustorial penetration and efficient nutrient transfer. Although generally regarded as a harmful weed, C. australis has demonstrated pharmacological potential owing to its secondary metabolites and antioxidant properties, both of which are relevant in disease treatment. This study investigated the effect of altitude on the phytochemical profile, antioxidant activity, moisture content, and ash content of C. australis and its host plant. A survey method was applied across three altitudinal zones (lowland, midland, and highland) with seven replications per site. Laboratory analyses were performed at the Plant Physiology Laboratory, Faculty of Agriculture, Andalas University, and the Higher Education Service Institution (LLDIKTI) Laboratory. Data were analyzed using analysis of variance (ANOVA) with the F-test, and significant differences (p < 0.05) were further evaluated using Duncan's New Multiple Range Test (DNMRT). The results showed that C. australis grown at high altitude exhibited the highest antioxidant activity (173.35 µg/ml), moisture content (9.06%), and ash content (5.16%). Similarly, A. gangetica collected from highland sites demonstrated superior antioxidant activity (64.39 µg/ml), moisture content (8.82%), and ash content (7.07%). By contrast, altitude had no detectable effect on the phytochemical composition of either species, both of which consistently contained flavonoids, alkaloids, phenolics, terpenoids, and triterpenoids. These findings indicate that highland populations of C. australis and A. gangetica possess enhanced bioactive properties, suggesting that high-altitude habitats may provide the most suitable raw material sources for pharmaceutical applications.
Identification and Diversity of Mycorrhizae in Several Rhizosphere Vegetation Plants in Former Mining Land for Gambir Planting Rangga Arnelio; Aprizal Zainal; Benni Satria
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4814

Abstract

Post-mining land represents an ecosystem that has undergone severe degradation as a result of mineral resource exploitation. The mining process causes the loss of the topsoil layer, which is rich in organic matter, microorganisms, and essential nutrients, leading to nutrient-poor, compacted, and acidic soils that are often contaminated with heavy metals. The cultivation of gambier has been proposed as a strategy to optimize the use of post-mining land. One initial approach to address this problem is the application of arbuscular mycorrhizal fungi (AMF). Soil conditions and the type of host vegetation strongly influence the diversity of AMF in post-mining areas. Therefore, identifying the presence of AMF in post-mining soils is necessary. Soil samples were collected from PT Atoz Nusantara Mining, located in Kenagarian Tambang, IV Jurai Subdistrict, Pesisir Selatan Regency. This exploratory study involved soil analysis and the identification of arbuscular mycorrhizal fungi. The plant species sampled included alang-alang (Imperata cylindrica), resam nail (Dicranopteris linearis), caramunting (Melastoma malabathricum), telang (Clitoria ternatea), sedge grass (Cyperus rotundus), and sembung (Blumea balsamifera). The results indicated that the occurrence of mycorrhizae in the rhizosphere varied across post-mining sites, with identified species including Acaulospora sp., Glomus sp. 1, Glomus sp. 2, Sclerocystis sp., and Gigaspora sp. These mycorrhizae demonstrate potential for restoring soil fertility in post-mining areas.
Increasing the Productivity of Oil Palm (Elaeis guineensis Jacq) Farmers in Tebing Linggahara Baru Village, Bilah Barat District, Labuhanbatu Regency Aulia Fakhrezi; Khairul Rizal; Yudi Triyanto; Dini Hariyati Adam
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4825

Abstract

Oil palm has significant potential as a strategic commodity to enhance farmers' income while contributing substantially to Indonesia's foreign exchange earnings. This study aims to examine the role of farmer groups in supporting the productivity of smallholder oil palm farmers. The research was conducted in Tebing Linggahara Baru Village, Bilah Barat District, Labuhanbatu Regency. An associative research design with a descriptive-quantitative survey method was employed. Data were collected through questionnaires and documentation from 30 farmer respondents. Statistical analyses included partial difference tests (t-tests), significance tests (F-tests), and coefficients of determination (R²), which were processed using SPSS. The findings indicate that farmer groups play a crucial role in enhancing the productivity of oil palm farmers.

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