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Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Published by Institut Pertanian Bogor
ISSN : 20852916     EISSN : 23373652     DOI : -
Core Subject : Economy, Agriculture,
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance
Aims and Scope Aims Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia), the official journal of the Indonesian Society for Agronomy, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia. Scope Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia) covers agronomy in broad sense including plant production, genetic and plant breeding, plant physiology, plant ecology, plant biotechnology, modeling, seed science and technology and weeds science on food, horticulture, plantation, and forage crops.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 971 Documents
 94   95   96   97   98 
Effect of row orientation and cowpea row numbers on sweet corn-cowpea intercropping Fajri, Atikah; Heni Purnamawati; Melati, Maya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 2 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i2.66676

Abstract

Intercropping between sweet corn (Zea mays L. var. saccharata Sturt) and cowpea (Vigna unguiculata L. Walp) can improve land productivity, but requires optimization of row orientation and cowpea row number. This study evaluated the effects of row orientation and cowpea row number on the growth, yield, and economic performance of sweet corn–cowpea intercropping. The experiment was conducted from June to September 2024 at the IPB experimental field in Sawah Baru, Bogor, Indonesia. A split-plot design with four replications was employed. The main plots consisted of two row orientations (North–South and East–West), while the sub-plots included maize monoculture, intercropping with one row, and two rows of cowpea. A significant interaction between row orientation and cowpea row number was observed on maize height, leaf number, and stem diameter at two weeks after planting. Although row orientation did not significantly affect maize and cowpea performance, the East–West orientation increased cowpea yield by 14.6% and reduced maize yield by 5.3% compared to the North–South orientation. The East–West orientation combined with one cowpea row produced the highest land equivalent ratio (LER = 1.93) and benefit–cost ratio (R/C = 1.45). Keywords: LER, R/C ratio, aggressivity, competitive ratio
Morphological characteristics of Phalaenopsis hybrids treated with 1500 ppm colchicine Samanhudi, Samanhudi; Hartati, Sri; Manurung, Ida Rumia; Lestari, Ayu
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.64689

Abstract

The increasing number of Phalaenopsis sp. enthusiasts needs to be balanced with the availability of good-quality cultivars, one of which can be achieved by improving flower morphological characteristics through colchicine induction. Colchicine-induced plants often exhibit superior traits such as larger, thicker, and more durable flowers. This study aimed to investigate the effect of a 1500 ppm colchicine concentration on the floral morphological characteristics of the Phalaenopsis sp., with a particular focus on flower size, petal thickness, and sepal morphology. This research provides genetic diversity information on Phalaenopsis sp., which can serve as a basis for future breeding programs and as a reference material for orchid growers and researchers. The materials used were flower buds of three Phalaenopsis varieties: Phalaenopsis Fuller’s Sunset, Phalaenopsis Golden Tree, and Phalaenopsis OX X-Ray. Each treatment was replicated three times. Morphological data were analyzed qualitatively through scoring and converted into binary data according to the Guide Book of Orchid Plant Characterization by the Ornamental Plant Research Center (2007). The results showed that 1500 ppm colchicine affects Phalaenopsis Fullers Sunset in the form of rhombus-shaped petals, and on Phalaenopsis Golden Tree in the form of pointed lateral sepal tips, concave transverse and longitudinal cross-sections of petals, and on Phalaenopsis OX X-Ray in the form of split dorsal sepal edges, and open petal arrangement. Overall, colchicine treatment also induced apparent enlargement of flowers in all three Phalaenopsis hybrids. Keywords: chromosome; flower morphology; mutagenesis; ornamental plant; polyploidy
Systematic reviews of self-pruning incidents on commercial horticulture plants Paisey, Elda Kristiani; Santosa, Edi; Matra, Deden Drajat; Kurniawati, Ani; Supijatno, Supijatno; Amriati, Besse; Sadiyah, Siti Halimatus; Siwi, Hayu
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.65620

Abstract

Pruning is a crucial practice in horticulture to maintain tree health, reduce production costs, and improve yield. However, conventional pruning remains labor-intensive and costly. Self-pruning has the potential to provide a sustainable alternative, yet studies on its mechanisms and applications in horticultural crops are still limited. This review aimed to systematically synthesize the mechanisms, incidence, and potential applications of self-pruning in horticultural crops. The review followed the PRISMA 2020 framework to ensure transparency and minimize bias. Literature searches were conducted in ScienceDirect and Garuda databases using the keywords self-pruning, pruning, cladoptosis, autophagy, and senescence in both English and Indonesian. The search was restricted to articles published within the last 10 years (2013–2022). Inclusion criteria were original research or review articles on self-pruning in plants. Exclusion criteria were duplicate records, articles from irrelevant fields, non-systematic studies, and grey literature. Bias reduction was addressed by predefined criteria, time limits, specific keywords, and independent screening by two reviewers. From 5,588 records identified, only 25 articles met the inclusion criteria. However, none of the eligible studies specifically addressed self-pruning in horticultural crops. The limited number of relevant articles was due to restricted database coverage and the absence of standardized quality assessment tools within the PRISMA framework. This review highlights a critical research gap on self-pruning in horticultural crops. Broader database searches and the development of standardized quality assessment tools are required. Evaluating the incidence and mechanisms of self-pruning in commercial horticultural crops is essential as a new perspective to support sustainable horticultural production. Keywords: autophagy; abscission; cladoptosis; programmed cell death; senescence
In vitro growth of Coelogyne hybrid (Coelogyne pandurata x Coelogyne rumphii) on medium 2.4D and BAP Ahmad Yunus; Hartati, Sri; Samanhudi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.66556

Abstract

Coelogyne is a genus of ornamental orchids renowned for its distinctive floral characteristics and high conservation and economic value, particularly Coelogyne pandurata, which is commonly referred to as a black orchid. Efforts in cultivating black orchids in vitro require media modification with the addition of growth regulators to optimize plant development. Growth regulators that can be used include auxins and cytokinins. This study evaluates the effects of 2.4D (2,4-Dichlorophenoxyacetic Acid ) and BAP on the in vitro growth and shoot proliferation of Coelogyne pandurata X Coelogyne rumphii hybrid seedlings. The experiment used a completely randomized design with two factors: 2,4-D and BAP, each with four concentration levels (0, 0.5, 1, and 1.5 ppm), resulting in 16 treatment combinations. The variables observed were the percentage of callus formation, callus color, shoot number, root number, leaf number, and plant length. The results showed that the optimal callus growth was achieved with a combination of 2,4-D at 0.5 ppm and BAP at 0.5 ppm, resulting in 100% callus formation. The 2,4-D treatment yields the optimum results in terms of leaf numbers (23.56) and plant height (2.15 cm), while the 1.5 ppm BAP treatment achieves the optimum results in terms of leaf numbers (31) and shoot numbers (22.39). Keywords: auxin; black orchid; callus; cytokinin; plant growth regulator
Zinc and boron micronutrients application enhance sweet corn productivity Hafith Furqoni, SP., M.Si. Ph.D.; Furqoni, Hafith; Mulyana, Erik; Rosyad, Astryani; Khairullah, Adrian; Annas, Sofian; Suwarto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.66877

Abstract

Sweet corn (Zea mays L. var saccharata) is a valuable crop whose productivity depends not only on macronutrients but also on micronutrients such as zinc (Zn) and boron (B), which play essential roles in plant physiological processes. However, the effectiveness of foliar-applied micronutrients in sweet corn cultivation under tropical conditions remains insufficiently studied. This research aimed to evaluate the agronomic effectiveness of a micronutrient fertilizer containing Zn (5.46%) and B (3.59%) when combined with reference and reduced doses of NPK fertilizer. The experiment was conducted from February to May 2025 at the Sindangbarang Experimental Farm, IPB University. This experiment was conducted using a randomized complete block design with four treatments, namely control (no fertilizer), reference fertilizer, reference fertilizer + 1 dose of micronutrient fertilizer, and ¾ dose of reference fertilizer + 1 dose of micronutrient fertilizer, with six replications. Results showed that micronutrient application significantly enhanced vegetative growth and yield components compared to the control. The combination of reference NPK and one dose of micronutrient fertilizer produced the highest productivity, with a 78.8% increase over the control and a relative agronomic effectiveness (RAE) value of 114.5%, indicating a 1.14-fold improvement over the reference treatment. These findings suggest that integrating Zn and B into fertilization strategies can enhance sweet corn performance and support more efficient nutrient management in tropical agroecosystems. Keywords: crop yield improvement; foliar fertilization; micronutrient uptake; tropical field experiment; Zea mays physiology
Determination of maturity stage, after ripening period, and seed storability of upland rice seeds at various phosphorus fertilizer doses Firmansyah, Irfan; Widajati, Eny; Sari, Maryati; Purnamawati, Heni
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.67153

Abstract

The increasing demand for rice makes upland rice a promising alternative. However, one major challenge in upland rice cultivation is the availability of high-quality seeds. This study aimed to determine the physiological seed maturity, after-ripening period, storage longevity, and optimal fertilizer dose to produce high-quality IPB 10G Tanimar. The research used a split-plot randomized complete block design with two factors and three replications. The main plot was phosphate fertilizer doses (50, 100, and 150 kg ha-1 SP-36), and the sub-plot was seed maturity stages (112, 116, 120, 124, and 128 days after planting(DAP). The results showed that fertilizer dose had no significant effect on vegetative and generative growth. The application of 100 kg ha⁻¹ P fertilizer produced the best seed quality based on the initial vigor index. The best maturity stage was 124 DAS with a heat unit of 2,505 °Cd, as indicated by the parameters of initial vigor index, germination rate during storage, and storability. The shortest after-ripening period was also found at 124 DAS, with the minimum germination rate (>80%) achieved one week after storage (WAS). The best storage vigor at the end of the observation period (8 WAS) was at 124 DAS, with a germination rate of 79.67% and a vigor index of 21.89%.   Keywords: high-quality seed; heat unit; phosphate fertilizer; storage longevity; vigor index
Growth of morel berry (Physalis angulata L.) from different cutting types and plant growth regulators Sari, Hevia Purnama; Ferziana, Ferziana; Hidayat, Hilman; Jumawati, Riana
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.67399

Abstract

Morel berries are generally propagated using seeds, and vegetative propagation could be an alternative for rapid propagation. This research aimed to evaluate morel berry seedlings from different cutting types and natural plant growth regulators. This research was carried out from May to October 2024 at Plant Laboratory 3, Politeknik Negeri Lampung, Lampung. The experiment was arranged in a randomized complete block design with two factors, i.e., cutting type and plant growth regulators. Observation variables included growth percentage, number of shoots, and shoot length. Data were analysed using analysis of variance (ANOVA) followed by the DMRT test at the 5% level. Based on data, there is no interaction between the first factor (cutting type) and the second factor (PGR). Vegetative propagating of themorel berry using shoot cuttings had a growth percentage of 81%. PGR from mungbean sprout extract had higher growth stimulation than other sources. A more in-depth study is needed regarding the appropriate concentration for each type of PGR. Keywords: ciplukan; natural PGR; shoot cutting; stem cutting; vegetative propoagation
Growth, yield, and nitrogen use efficiency of shallots with plant growth-promoting rhizobacteria and cattle manure Marpaung, Christina Adela; Sudiarso; Adi Setiawan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.68329

Abstract

Continuous and excessive application of inorganic-N fertilizer leads to accumulation of chemical residues in soils, as plants typically utilize only about 50% of the applied nitrogen, which can further lead to environmental pollution. Resolve the low nitrogen uptake and fertilizer use efficiency, organic amendments, and beneficial microorganisms provide viable alternatives. The objective of this research was to evaluate the effects of different PGPR concentrations and cattle manure doses on nitrogen uptake dynamics and nitrogen use efficiency parameters (NUpE, NUtE, and NUE), as well as shallot growth and yield, to determine the most efficient treatment that supports nutrient efficiency and sustainable agronomic practices. The experiment used a constant nitrogen inorganic fertilizer of 100 kg ha-1. A factorial randomized block design was employed, consisting of four PGPR concentrations: 0, 10, 20, and 30 mL L-1. The second factor was cattle manure dosage consisted of 0, 10, and 30 ton ha-1. Observation variables included plant growth, yield components, nitrogen uptake dynamics, nitrogen uptake efficiency (NUpE), nitrogen utilization efficiency (NUtE), and nitrogen use efficiency (NUE). The results indicated significant interactions between PGPR and cattle manure in the number of tillers at 8 weeks after planting (WAP), crop growth rate (CGR) at 6–8 WAP, chlorophyll index, fresh and dry weight, and bulb weight. The treatment combining 30 mL L-1 PGPR with 30 t ha-1 cattle manure significantly increased average bulb weight by 136.6% compared to without PGPR + without cattle manure. This treatment also achieved the highest nitrogen uptake across all growth stages, peaking at 1 kg ha-1 per day at 56 DAP and recorded the highest NUpE from 41.90% to 64.50%, and reduced soil nitrogen losses by 22.6%. Consistent improvements in NUpE, NUtE, and NUE indicate that this integration enhances nitrogen translocation into shallot bulbs, leading to more efficient nutrient use, supporting higher productivity, and sustainable nutrient management. Keywords: Allium ascalonicum; NUE; NUpE; NUtE; organic fertilizer
Integrated strategies to overcome aluminum toxicity in tropical acid soils Sopandie, Didy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.69190

Abstract

Aluminum (Al) toxicity is a major constraint to crop productivity in tropical acidic soils, which predominate in much of Indonesia and other humid regions. This review summarizes advances in understanding Al phytotoxicity, plant tolerance mechanisms, and agronomic, plant breeding, and molecular strategies to overcome Al stress. Plants exhibit two primary adaptation strategies: Al efflux from root tips, with organic acid exudation being crucial (mediated by the ALMT and MATE transporters), and internal detoxification through chelation, compartmentalization, production and activation of antioxidants, osmolytes accumulation, and hormonal regulation. Recent research emphasizes the role of Al receptors, signaling pathways, and regulatory genes such as Nramp and ABC transporters in enhancing Al tolerance. Agronomic strategies, including liming, exogenous compound applications, biostimulants, and beneficial microbes, complement molecular breeding and gene editing approaches such as CRISPR/Cas to develop acid-tolerant cultivars. The success of Brazil and China in conquering acidic soils is attributed to their ability to integrate genomics, physiology, and sustainable agronomic management in transforming acidic soils into productive agroecosystems. Continued collaboration and application of modern biotechnology tools will accelerate the development of crops resistant to Al toxicity, enabling sustainable agricultural productivity in tropical acidic soils. Keywords: Al phytotoxicity; agronomy and crop improvement; research focus and strengths; tolerance mechanisms; ultisols
Genetic diversity and adaptation to aluminum toxicity in local upland rice of Kalimantan Gunawan, Gunawan; Trikoesoemaningtyas, Trikoesoemaningtyas; Hidayatun, Nurul; Prasetiyono, Joko
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 3 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i3.69348

Abstract

Acidic soils with high aluminum (Al) toxicity are a major constraint to upland rice productivity in many tropical regions, including Kalimantan. Local rice cultivars often possess adaptive traits that can be utilized for breeding tolerant varieties. This study aimed to investigate the genetic diversity of Kalimantan local upland rice cultivars using SSR markers and their adaptation to aluminum toxicity stress. A total of 93 rice accessions obtained from the Agricultural Gene Bank of IAARD were subjected to both genetic diversity and Al stress adaptation analyses. The genetic diversity analysis used 11 SSR markers, while the adaptation study employed a hydroponic method with 45 ppm Al in Yoshida nutrient solution. Root and shoot growth were observed after 21 days of stress treatment. The SSR markers were highly polymorphic, grouping the accessions into four clusters at a 35% similarity level. Most accessions showed tolerance to Al stress based on relative root and shoot growth parameters. Accessions P. Pulut Timai, Padai Cina, Raya, Parai Paliping, and P. Pulut Ayang/Pang were the most adaptive. Root length, shoot length, and shoot fresh weight exhibited moderate heritability. These findings provide valuable insights for breeding Al-tolerant upland rice adapted to acidic soils. Keywords: adaptability; aluminum stress; molecular marker; SSR; upland rice

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