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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
 90   91   92   93   94 
Growth and yield of radish (Raphanus sativus L.) treated with different organic manure on alluvial soil Santari, Putri Tria; Dewi, Dina Omayani; Hartono
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.53372

Abstract

The productivity of radish plants can be increased using improved varieties and fertilizing the soil to increase its fertility. Using organic fertilizers can improve soil structure and increase productivity on the land. This study aimed to determine the effect of applying organic fertilizer on the growth and yield of radish on alluvial soil. The study was conducted in July-December 2021, using a randomized block design with five treatments and five replications. The treatments were types of organic fertilizers consisting of control, goat manure, chicken manure, ashes (remaining ash from burning leaves), and cow manure. Each type of organic fertilizer was applied with a dose of 6 tons ha-1. The observation shows that the application of chicken manure significantly improves both the vegetative and the generative variables of radish crops. The results of the farm analysis showed that the use of chicken manure yielded more significant benefits, with R/C values of 2.40 and a B/C ratio of 1.40. Keywords: farm analysis; productivity enhancement; soil fertility
Transformation of Ponkan Mandarin (Citrus reticulata Blanco) by CRISPR/Cas-9-gRNA-CsCS to increase plant resistance to huanglongbing disease Dian Puji Rahayu; Purwito, Agus; Kosmiatin, Mia; Husni, Ali
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.53465

Abstract

The gene that regulates callose could be modified by CRISPR/Cas9 technology. This research aimed to insert the CRISPR/Cas9-CsCS gene into Ponkan orange genome using Agrobacterium tumefaciens. The explants were soaked in a bacterial suspension for 20 minutes and incubated for 2-3 days. In vitro acceleration growth was conducted with a two-factor completely randomized design. The first factor is the type of explant with three levels (nucellar embryo, zygotic embryo, cotyledon node), and the second factor is the type of media with 6 levels (VMW, MT, MSK0, MSK1, MSK2, MSK3). The results showed of all explant types, the highest plant height average and number of leaves were obtained in a media combination of MS + Kinetin 2 mg L-1, MT, and MS + Kinetin 3 mg L-1. The highest transformation efficiency was in the nucellar embryo explant, while the highest regeneration efficiency was in the zygotic embryo explant. The highest shoot tip grafting percentage was achieved in the cotyledon node explant at 100%. In the grafting phase, the putative transformants before and after artificial bacterial inoculation showed that Ponkan 606 and Ponkan 597 had the highest plant heights, respectively. The intensity of Huanglongbing attacks after bacterial inoculation showed that three genotypes did not show HLB symptoms in the 24th week of observation, namely genotypes 598, 606, and 607. This study concluded that gene transformation in citrus plants produced three genotypes that did not show HLB symptoms. Keywords: transgenic; Agrobacterium tumefaciens; Citrus Vein Phloem Degeneration (CVPD)
Growth and yield of several rice varieties on alluvial soil using N, P, and K fertilizers Radian; Abdurrahman, Tatang; Mahmudi; Safriadi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.53587

Abstract

Adaptive varieties and N, P, and K fertilization can increase rice productivity. The study aimed to determine the effect of N, P, and K fertilizer dosages on the growth and yield of several rice varieties on alluvial soil. The research was conducted in Kubu Raya Regency, West Kalimantan, from March to October 2023. The method used a factorial randomized complete block design with three replications. The first factor was rice varieties (Argo Pawan, Bima Saputra, Inpari 43, Padang, and Tropiko). The second factor was N, P, and K fertilization (150 kg N ha-1+ 100 kg P2O5 ha-1 + 100 kg K20 ha-1; 300 kg N ha-1 + 200 kg P2O5 ha-1 + 200 kg K20 ha-1; 450 kg N ha‑1 + 300 kg P2O5 ha-1 + 300 kg K20 ha-1). The Tropiko variety had the highest plant height compared to other varieties. The Inpari 43 variety produced the highest maximum number of tillers. Furthermore, the Inpari 43 and Tropiko varieties were the best treatments for producing the number of productive tillers and grain weight per plot. The N, P, and K fertilizer dosage of 300 kg N ha-1 + 200 kg P2O5 ha-1 + 200 kg K20 ha-1 was the best treatment in producing growth and yields of rice plants based on the variables of maximum number of tillers, number of productive tillers, and grain weight per plot. Keywords: adaptive varieties; rice productivity; soil fertility
Allelopathic potential of apus bamboo leaf extract towards Asystasia gangetica and Cyperus rotundus Muntoyib, Junaidi; Alghifari, Ahmad Fadli; Roudho, Zahrotur; Oktavian, Aldi; Irawan, Riko; Guntoro, Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.53766

Abstract

Weeds pose a significant challenge in agricultural activity by competing with cultivated crops for essential resources. The conventional use of chemical herbicides has demonstrated adverse impacts on the environment and human health, prompting a shift toward exploring bioherbicides. This study aimed to assess the inhibitory effects of Apus bamboo (Gigantochloa apus Kurz) leaf extract on the pre-germination phase of Brassica juncea, Asystasia gangetica, and Cyperus rotundus through bioassay and pot experiment. The research design employed a completely randomized design (CRD) with a single factor representing the concentrations of Apus bamboo leaf extract (% w/v). The concentrations tested were 0%, 5%, 10%, 15%, and 20%. Each concentration was replicated three times, resulting in 15 experimental units. Bioassay results revealed the capacity of Apus bamboo leaf extract to inhibit and disrupt B. juncea seed germination. The pot experiment results demonstrated the inhibitory effects of the extract, significantly affecting A. gangetica germination and population, A. gangetica total fresh and dry weight, and C. rotundus total dry weight. The extract exhibited strong inhibition, starting at a concentration of 15% for A. gangetica and 10% for C. rotundus. The findings suggested that Apus bamboo leaf extract holds significant potential as a bioherbicide. Keywords: allelochemical; bioherbicide; inhibitory effect; weed control Keywords: allelochemical; bioherbicide; inhibitory effect; weed control
Effectiveness of mycorrhizae in tomato cultivation with nutrient stress levels in peat soil of West Kalimantan Sasli, Iwan; Abdurrahman , Tatang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.54057

Abstract

The growth and yield of tomatoes in peat soil with limited nutrient availability are expected to increase with the application of mycorrhizae, where mycorrhizae plays a role in the efficiency of fertilization in plants. The study aimed to determine the effectiveness of arbuscular mycorrhizae fungi (AMF) from peat ecosystems and alluvial soil ecosystems on the growth and yield of tomatoes at different levels of nutrient stress in peat soil. The study was conducted using a completely randomized factorial design. The first factor was the type of soil source of AMF propagules (without AMF, AMF from peat ecosystems, and AMF from alluvial soil ecosystems). The second factor was the dose of NPK fertilizer (100%, 75%, 50%, and 25% of recommended). The results showed that arbuscular mycorrhizae fungi propagules originating from peat ecosystems and alluvial soil ecosystems increased the growth and yield of tomatoes on peat soil. The AMF propagules from peat vegetation with 50% NPK fertilization of the recommended dose effectively increased the production of tomato plants based on the variables of single-fruit weight and total fruit weight per plant. Keywords: biofertilizer; mycorrhizae propagule; tomato production
Diversity of orchids (Orchidaceae) and host trees at Padang, West Sumatra, Indonesia: A preliminary step towards germplasm conservation Setiawan, Ryan Budi; Handayani, Mellyyana; Rahimmi Nanda, Alifma; Sukma, Dian; Rahmi, Alfazlul; Syahputra, Agil
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): 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.v52i2.56159

Abstract

Orchid exploration brings numerous benefits, including the conservation of rare species, ecological insights, medicinal and horticultural applications, economic opportunities, cultural appreciation, and scientific advancement. These benefits underscore the importance of continued exploration and conservation efforts to safeguard orchid diversity. This study aimed to explore the diversity of orchids at Universitas Andalas, Padang, West Sumatra. The research involved a comprehensive survey of orchid species in various habitats, documenting their distribution and abundance. We used a systematic sampling method to collect plant specimens and record relevant ecological data. The research indicated a remarkable diversity of orchid species at Universitas Andalas. We found 21 species of orchids, including 19 epiphytes and two terrestrial species. Filicium desipiens was the most dominant host, with 13 species of orchids found on 15 trees. Dendrobium crumenatum was the most common orchid found on 13 host trees. The results highlighted the importance of preserving these unique orchid populations. This research contributes to the understanding of orchid diversity at Universitas Andalas. The findings can inform policymakers, conservationists, and local communities in developing effective strategies for the preservation and sustainable use of orchid resources. Future studies should focus on further exploration, taxonomic studies, and conservation initiatives to ensure long-term survival. Keywords: conservation; diversity; epiphytes; exploration; terrestrial
Physiological responses and production of Gama Melon Parfum (Cucumis melo L. cv. GMP) on different water availability Putri Renata, Nellis Nadinda; Daryono, Budi Setiadi; Wibowo, Wiko Arif; Rachmawati, Diah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 3 (2024): 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.v52i3.54022

Abstract

Gama Melon Parfum (GMP) cultivar is a result of crossbreeding between the Natsuno Omoide and Miyamauri melon varieties in 2011. GMP exhibits a unique phenotypic characteristic, including a bitter taste of the fruit flesh and produces a stronger aroma. The objective of this study was to investigate the physiological responses and productivity of GMP under varying water conditions. The experiment was conducted using a single factor consisting of different levels of water availability with field capacity at 50%, 75%, and 100%, as well as submergence at 2 cm, 4 cm, and 8 cm above the soil surface. Each treatment was replicated three times. The plot size for each replication was 2 m x 2 m, ensuring consistent conditions for all treatments. The results of the study showed that treatment with 100% field capacity increased stem diameter, while treatment with 50% field capacity increased the root-to-shoot ratio of GMP. Submergence treatment at 8 cm decreased stem diameter and the root-to-shoot ratio of GMP. The 50% field capacity treatment reduced the total chlorophyll levels in GMP leaves. Submergence treatment at 8 cm increased the total chlorophyll levels in GMP leaves. The 50% field capacity treatment increased fruit fresh weight, while submergence treatment at 2 cm decreased fruit fresh weight. Submergence treatment at 2 cm reduced fruit water content, whereas submergence treatment at 8 cm increased water content in GMP fruits. Keywords: drought; Gama Melon Parfume (GMP); growth; plant physiological responses; submergence
Agronomic and metabolite profile of Cymbopogon citratus utilizing the black soldier fly (Hermetia illucens) bioconverted compost Hanifati, Qisthina; Azizah, Annisa Nur Wahida; Firdaus, Muhamad Fajar; Purwanto, Ukhradiya Magharaniq Safira; Iman, Ramadhan Nur; Andrianto, Dimas; Sulistiyani
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 3 (2024): 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.v52i3.57086

Abstract

The black soldier fly (BSF) maggot, a bioconversion agent for organic waste, can generate stable materials like compost. Lemongrass (Cymbopogon citratus), recognized for its numerous health benefits, is the subject of this research. The primary objective of this study was to assess the impact of applying BSF maggot bioconversion compost on the bioactive compound profile in the ethanol extract of lemongrass plants. Lemongrass cultivation was conducted in Sindangjaya Village, Cipanas, West Java, Indonesia, employing a randomized complete block design with a single factor. The single factor was the type of fertilizer, namely: control (P1), organic manure fertilizer (P2), and maggot fertilizer (P3). The introduction of BSF maggot bioconversion compost to the growth medium significantly affected the plant height (at 4, 6, 8, 10, and 12 weeks after planting) and wet weight (including stems, leaves, roots, and shoots). Ethanol extraction and identification with LCMS/MS (Liquid Chromatography–Mass Spectrometry/Mass Spectrometry) instruments revealed 48 compounds. Each treatment group (P1, P2, and P3) contained 37, 30, and 35 compounds, respectively. These compounds consisted of various groups, including amino acids, terpenoids, alkaloids, quinolines, carbohydrates, methoxyphenol, benzodioxole, diphenylmethane, and steroids. Keywords: bioactive; BSF frass; extraction; lemongrass
Optimizing the production of true shallot seed by inducing flowering in various shallot genotypes Ramdhani, Cahyati; Maharijaya, Awang; sobir; Ritonga , Arya Widura
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 3 (2024): 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.v52i3.58450

Abstract

Shallot (Allium cepa var. aggregatum) productivity can be enhanced through various methods, including using true shallot seed (TSS). Successful shallot breeding requires flowering to improve traits through gene transfer between genotypes and to produce TSS. However, one of the primary challenges in TSS production is the variability in the flowering ability of different varieties. This study aimed to examine the impact of flowering induction on flowering traits, pollen viability, and TSS production in several shallot genotypes. The study employed a randomized complete block design with two factors: shallot genotypes and induction treatments. The study found that vernalization treatment significantly increased the percentage of flowering plants in the Bauji, Bima Brebes, and Tajuk genotypes. Additionally, the combination of vernalization (V) and gibberellin (GA3) (V+G) successfully induced flowering in the Maja Cipanas genotype compared to the control. The Bima Brebes genotype exhibited the highest pollen viability following both vernalization and V+G treatment. Furthermore, vernalization also led to an increase in TSS weight in shallots. These findings suggest that vernalization could be an effective strategy for enhancing TSS production in highland areas, thereby supporting the development of high-yielding shallot varieties. Significant positive correlations were observed between TSS weight and several traits, including the percentage of flowering plants, umbel number, umbel diameter, flower number, pollen viability, percentage of plants producing TSS, capsule number, and TSS number. Keywords: Allium cepa; correlation; gibberellin; varieties; vernalization
Effect of growing media on the growth of stevia (Stevia rebaudiana (Bertoni) Bertoni) tip cuttings Arif Gozali Warso Saputro; Muchamad Yusron; Raden Vitri Garvita; Gut Windarsih
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 3 (2024): 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.v52i3.58866

Abstract

Stevia is 200-300 times sweeter than sucrose but low in calories, making it a safe alternative for individuals with diabetes or obesity. The utilization of stevia has the potential to reduce reliance on sugar imports. This research aimed to investigate the influence of different growing media on the growth of stevia tip cuttings. This study was conducted from August to December 2023 in Cidokom Village, Cisarua District, Bogor Regency, West Java. The method used was experimental research using a completely randomized design (CRD) with a single factor, which was the composition of the growing media. Six types of growing media were used. The research results showed significant differences among the treatment groups of growing media on various growth parameters of stevia tip cuttings. Stevia tip cuttings planted in soil and manure media showed the best results in cutting height (28.8 ± 2.82 cm) 42 days after planting. Meanwhile, the combination of solid waste agar, sand, mycorrhiza, burnt rice husks, and cocopeat media resulted in the highest number of leaves (22.20 ± 3.20 leaves) and total fresh weight of stevia tip cuttings, around 1.98 ± 0.33 g at 42 days after planting. Keywords: mycorrhiza; planting media; vegetative growth

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