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INDONESIA
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 
Determination of seed physiological maturity and storability of several sorghum varieties Faizal, Karima Rizki; Qadir, Abdul; Human, Soeranto; Ilyas, Satriyas
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.v53i2.63421

Abstract

Seed vigor reaches a maximum at physiological maturity and decreases during storage. This study aimed to determine the physiological maturity and enhance the storability of sorghum seeds. Experiments were conducted at BRIN Lebak-Bulus from March 2023 to March 2024. The initial experiment employed a two-factor randomized complete block design, incorporating five sorghum varieties and five seed maturity levels. The second experiment used a complete randomized design with two factors (nest: temperature storage 18 °C and 26 °C, and nested: combined seed moisture content (MC) 10-11% and 12-13%, and storage period (1-24 weeks). The results indicated the seed physiological maturity stages of the five sorghum varieties were: Numbu 46 days after anthesis (DAA), Super-1 39 DAA, Bioguma-1 51 DAA, Samurai-2 55 DAA, and Pahat 40 DAA. The Numbu stored at 18 °C, 10-11% MC had storability up to 24 weeks (72.3% germination) and at 18 °C, 12-13% MC up to 20 weeks (72.3%), while at 26 °C, 10-11% MC had storability up to 18 weeks (71.3%) and 26 °C, 12-13% MC up to 22 weeks (70.3%). The Bioguma-1 and Samurai-2 seeds were suspected of having after-ripening dormancy. From the beginning until 24 weeks, they did not deteriorate, although the viability was below 70%. Keywords: germination; seed moisture content; storage period; viability; vigor
Analysis of drought stress tolerance in doubled haploid lines of green super rice at the vegetative stage Nurhidayah, Siti; Purwoko, Bambang Sapta; Dewi, Iswari Saraswati; Suwarno, Willy Bayuardi; Lubis, Iskandar; Hadianto, Wira; Munandar, Arief
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.v53i2.63893

Abstract

Current climate change has caused drought in various regions, which has decreased rice yields. Green super rice (GSR) has the characteristic of being tolerant to water limitation. GSR lines were bred through anther culture technique to obtain doubled haploid (DH) plants. This study aimed to analyze the response of DH GSR lines to drought stress at the vegetative stage and identify potential lines based on the weighted selection index. The experiment was arranged in a randomized complete block design with three replications. The materials used consisted of twenty DH lines, Inpari 42 Agritan GSR, and Inpari 18 as check varieties, Salumpikit as a drought-tolerant check, and IR 20 as a drought-sensitive check. Qualitative data were analyzed using the non-parametric Friedman test. The result showed different responses among the lines for leaf rolling, leaf drying, and recovery ability. Line SN14 exhibited moderate leaf drying and showed improvement to mild tolerance during the recovery phase. Nine lines (SN12, 14, 32, 40, 51, 57, 58, 59, and 60) were selected using a selection index based on leaf rolling, leaf drying, and recovery ability. These lines can be further tested for drought tolerance tests until the reproductive stage, and the tolerant lines could be useful for future development. Keywords: abiotic stress; anther culture; climate change; selection index; water limitation
Humic acid and chicken manure improve growth and productivity of organic edamame Hanessa Putry, Regata Ringga; Melati, Maya; Ghulamahdi, Munif
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.v53i2.63915

Abstract

Edamame (Glycine max L.), a soybean harvested for young pods, has high nutritional content and is promising as an export commodity. Here, organic edamame was produced by incorporating chicken manure and humic acid. This study aimed to evaluate the effects of chicken manure, humic acid, and their interaction on the growth and productivity of edamame. The study used a factorial randomized complete block design with two factors and three replications, and it was carried out at the IPB Experimental Station, Cikarawang A, Dramaga, Bogor, from May to September 2024. The first factor was chicken manure: 0, 8, 16, and 24 tons ha-1, and the second factor was humic acid: 0, 30, 60, and 90 kg ha-1. Vegetative variables were observed at 5 weeks after planting (WAP). The relative growth rate (RGR) and net assimilation rate (NAR) were determined from the period between 3 and 5 WAP. Yield components included the number, length, and weight of pods and pod yield. The results showed that the interaction of chicken manure and humic acid significantly increased root length, RGR, number of flowers, number of productive nodes, plant fresh weight, plant dry weight, pod weight per plant, and pod yield. Chicken manure at 9.5 tons ha-1 and humic acid at 90 kg ha-1 were the optimum doses to significantly increase pod yield. This study highlights the potential use of humic acid to reduce the amount of chicken manure demand in organic farming systems. Keywords: leaf greenness; net assimilation rate; nutrient levels; organic fertilizer; relative growth rate
Molecular diversity of citrus genotypes using callose synthase 7 gene markers linked to Huanglongbing resistance Nugroho, Kristianto; Purwito, Agus; Sukma, Dewi; Kosmiatin, Mia; Santoso, Tri Joko; Husni, Ali; Martasari, Chaireni; Lestari, Puji
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.v53i2.64952

Abstract

Huanglongbing (HLB), caused by Candidatus Liberibacter asiaticus, is a notable disease affecting citrus plantations globally. Several studies showed that the callose synthase 7 gene is crucial for the citrus defense system against this pathogen. The study aimed to analyze the nucleotide variations and genetic diversity among several citrus genotypes using specific gene primers designed from the callose synthase 7 gene sequence. Genomic DNA from eleven citrus genotypes was amplified using the specific primers, and Sanger sequencing was employed to identify the nucleotide sequence of the PCR products. The results revealed a total of 66 single-nucleotide polymorphisms (SNPs), 10 insertions, and 11 deletions were detected in callose synthase 7 gene fragment sequences. Of these, one out of five noteworthy SNPs identified at a position of 200 bp downstream of the START codon showed distinguishing features between susceptible and resistant/tolerant genotypes. Phylogenetic analysis clearly discriminated the eleven citrus genotypes into two clusters at a dissimilarity coefficient of 0.05, with all genotypes grouped in the first cluster, except for the Chinese box orange and orange jasmine. The identification of notable SNPs in this study can aid in developing new markers for the rapid selection of genotypes with enhanced HLB resistance in citrus breeding programs.   Keywords: Candidatus Liberibacter asiaticus; nucleotide variations; Sanger sequencing; phylogenetic analysis; SNP
Understanding gene interactions controlling resistance to pepper yellow leaf curl disease through phenotype-based analysis Sayekti, Tri Wahono Dyah Ayu; Syukur, Muhamad; Hidayat, Sri Hendrastuti; Sobir, Sobir; Maharijaya, Awang
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.v53i2.65965

Abstract

Pepper yellow leaf curl disease (PYLCD) is the primary disease that affects chili plants, resulting in a loss of quality and quantity. The identification of chili plants resistant to PYLCD is a solution to support optimal chili cultivation. The purpose of this study was to estimate genetic parameters to obtain information on the genetic control of chili resistance to PYLCD. The genotypes used in this study consisted of four parental, four hybrid genotypes, and 180 individuals of the F2 population. The results showed that the genotypes "F6074" and "IPBC12" were categorized as resistant, while the genotypes “IPBC5” and “YUNI” were categorized as susceptible. The distribution of resistance level in chili peppers to yellow curly leaf disease tends to follow a ratio of 13:3, with a dominance of susceptible traits. The assumption for this phenomenon is that resistance to PYLCD is controlled by at least two genes. Both genes have dominant and recessive epistatic interactions. Keywords: Begomovirus; chi-square; epistasis; resilience
Mycorrhiza application improves rice morpho-physiological traits in different soil water content Mahmudi, Mahmudi; Radian, Radian; Safriadi, Safriadi; Tiwut Atmojo, Singgih
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.v53i2.66368

Abstract

Mycorrhizal fungi are beneficial soil microorganisms that establish mutualistic associations with plant roots, significantly enhancing nutrient and water uptake under abiotic stress conditions. In West Kalimantan, limited soil water content frequently constrains rice cultivation, negatively impacting plant growth and yield. This study aimed to evaluate the effects of mycorrhizal inoculation on the morphophysiological traits of rice under varying levels of soil water content. The experiment was conducted from February to June 2022 in Mempawah Regency, West Kalimantan, using a split-split-plot randomized complete block design. The main plot factor was mycorrhizal inoculation (inoculated and uninoculated), the subplot factor was soil water content (100%, 80%, and 60%), and the sub-subplot factor was rice variety (Inpari 32 and Inpari 42). The results demonstrated that mycorrhizal inoculation significantly improved rice tolerance to moderate drought stress through adaptive morphophysiological mechanisms. This was indicated by increased phosphorus uptake efficiency and enhanced net assimilation rate, even at 60% soil water content. These physiological improvements contributed to better plant morphological development, including greater plant height (84.73 cm), dry biomass (8.36 g), number of panicles (15.83 panicles), panicle length (22.21 cm), number of grains per panicle (189.96 grains), and grain weight per clump (72.31 g). Keywords: mutualistic associations; mycorrhizal inoculation; physiological improvements; rice tolerance 
Application of fern Davallia denticuluta L. extract using different solvents as biostimulants for Kopay chili (Capsicum annuum L.) production Suwirmen; Noli, Zozy Aneloi; Marta, Fepi Dwi; Chairul
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.v53i2.62870

Abstract

Ferns are a potential source of biostimulant compounds due to their rich content of bioactive secondary metabolites. This study aimed to evaluate different solvents for extracting bioactive compounds from Davallia denticulata and to identify the optimal extract formulation for enhancing the growth and yield of Kopay chili. This research was conducted from February to May 2024 at the Plant Physiology Research Laboratory and Greenhouse, Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang. A completely randomized design with 16 treatment combinations involving four solvents (A1 = aquadest, A2 = methanol, A3 = ethanol, A4 = butanol) and four extract concentrations (B0 = 0 mg L-1, B1 = 25 mg L-1, B2 = 50 mg L-1, and B3 = 100 mg L-1) was employed. Plant growth parameters responded differently to various combinations of extract concentration and solvent type. Methanol extract at 100 mg L-1 significantly increased plant height, ethanol at 50 mg L-1 improved shoot dry weight and root biomass, butanol at 100 mg L-1 increased chlorophyll b and total chlorophyll, and methanol at 25 mg L-1 resulted in higher fruit weight. These results indicate that Davallia denticulata extract, when properly formulated, holds strong potential as a natural biostimulant to improve growth and productivity in chili cultivation. Keywords: active compouns; chili growth; plant extract; secondary metabolites; solvents extraction
Application of PGPR from sugarcane roots and mimosa roots on chili peppers (Capsicum frutescens L.) Bariyyah, Khoirul
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.v53i2.63729

Abstract

Chili pepper is a high-value horticultural crop that has significant nutritional and economic value. Plant growth-promoting rhizobacteria (PGPR) play a vital role in enhancing plant growth and productivity while supporting sustainable agriculture. This study evaluated the effect of PGPR derived from sugarcane roots and mimosa roots applied to chili pepper plants. The study was conducted using a factorial randomized complete block design. The first factor was the concentration of sugarcane root PGPR (0, 10, 20, 30 mL L-1), and the second factor was the mimosa root PGPR (0, 10, 20, 30 mL L-1). Observation variables included nitrogen uptake, plant height, flowering age, and fruit weight. The results showed that the application of sugarcane root PGPR had a significant effect on plant height and nitrogen uptake, with a concentration of 20 mL L-1 producing the highest nitrogen uptake (1.66 g). PGPR from mimosa root significantly affected flowering age and fruit weight, with a concentration of 30 mL L-1 significantly increasing fruit weight. However, the combination of both types of PGPR did not have a significant effect on all the variables observed. Thus, the application of PGPR from sugarcane root and mimosa root separately effectively increased the growth and yield of chili pepper plants, while the combination of both did not show a synergistic effect. Keywords: chili; Mimosa pudica; nitrogen
Effect of organic and NPK fertilizers on flowering, pod formation, and seed production of cowpea (Vigna unguiculata L. Walp) Fitratunnisah; Purnamawati, Heni; Lubis, Iskandar
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.v53i2.65893

Abstract

Cowpea (Vigna unguiculata L. Walp), known as tolo beans in Indonesia, is a nutrient-dense legume consumed as young pods, dry seeds, or livestock feed. Despite its nutritional value and agronomic potential, cowpea productivity in Indonesia remains low. This study aimed to evaluate the effect of poultry manure and NPK fertilizers on flowering, pod formation, and seed filling of cowpea. The experiment was conducted from July to October 2024 at the Sawah Baru Experimental Field, IPB, using a randomized complete block design. Treatments included poultry manure at 0, 10, 20, and 30 tons ha-1 and NPK (16-16-16) at 0, 100, 200, and 300 kg ha-1. Results showed that poultry manure at 10-30 tons ha-1 and NPK above 100 kg ha-1 significantly increased the productive nodes at the ninth week after planting. Both fertilizers enhanced plant growth and yield. The highest average seed yield was obtained at 30 tons ha-1 poultry manure (3.64 tons grain ha-1) and 300 kg ha-1 NPK (3.38 tons  grain ha-1), highlighting the benefit of integrating organic and inorganic fertilization to boost cowpea productivity. Keywords: cowpea; chicken manure; NPK fertilizer; kacang tolo
Assessment of biodiversity risks in urban agriculture: Case of Jakarta, Indonesia Dwi Rahmayanti, Fetty; Gunawan, Andi; Fauzi, Anas Miftah; Santosa, Edi
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.v53i2.66297

Abstract

Urban agriculture is a permanent and dynamic part of urban socio-economic and ecological systems. It uses typical urban resources, competes with other urban functions for land and water, is influenced by urban policies and plans, and contributes to urban social and economic development. To assess agricultural sustainability and predict future food security, it is essential to understand the relationship between farming systems and biodiversity. The research aimed to assess biodiversity risk in urban agriculture. This research employed a mixed-methods approach, combining quantitative and qualitative methods, and incorporated a field survey that involved collecting data from research and literature reviews. The field survey involved collecting data from research questionnaires distributed to respondents to determine their perceptions of biodiversity risks to flora and fauna resulting from urban agricultural activities. The results of the study showed that the p-value was greater than the alpha level (α = 0.05), indicating that urban agriculture in East Jakarta does not significantly affect biodiversity risks of flora and fauna. Keywords: agripolitan; city greenery; conservation; East Jakarta; food security

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