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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
 87   88   89   90   91 
Quality improvement of tomato (Solanum lycopersicum L.) ‘Optima’ with amino acid-enriched leaf fertilizer Mira Puspita; Rudi Hari Murti; Haviah Hafidhotul Ilmiah; Benito Heru Purwanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.48581

Abstract

Tomato quality is influenced by fertilization and matutity level. This study aimed to determine the best dosage of amino acid-enriched leaf fertilizer (Amiboost) and to determine the best nutritional content at several ripeness levels of ‘Optima’ tomatoes. Amiboost is an inorganic foliar fertilizer that is rich in amino acids that can be easily absorbed by plants. The experiment used a factorial (RCBD) with 3 repetitions. The ‘Optima’ tomatoes were grown at Wonosobo and fertilized with 4 levels of Amiboost fertilizer consisting of 0, 1, 2, 4 L ha-1 amino acid fertilizer, and 2 L ha-1 comparison fertilizer (standard fertilizer). The research was conducted at the Horticulture Sub-Laboratory, UGM at 27 °C with a relative humidity of 75%. The tomato quality observed was CO2 concentrations, visual quality rating (VQR), fruit weight percentage, fruit hardness, fruit color, total soluble solids, total titrated acid, vitamin C, carotenoids, lycopene, and flavonoids. The observation was terminated when the score of VQR reached 1 as the shelf life of tomatoes. The best dose of amino acid-enriched leaf fertilizer (Amiboost) is 2 L ha-1 for the lightness (*L) of fruit color, ascorbic acid, and lycopene. The maturity stage of fruit significantly affected vitamin C, flavonoids, total soluble solids, carotenoids, and lycopene. Keywords: Aminoalkanoic; shelf life; leaf fertilizer; tomato quality
Proliferation of porang (Amorphophallus muelleri Blume) from bulbils and leaf cutting treated by NAA and BA Putri, Ayu Diah Putu Laksmi; Wiendi, Ni Made Armini; Santosa, Edi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.48958

Abstract

Javanese konjac or iles-iles (Amorphophallus muelleri Blume, Araceae) is a tuber crop native to Indonesia as a source of carbohydrat, also contains a lot of glucomannan, which has high economic value as a raw material in industry. The study aimed to develop the propagation method of A. muelleri from bulbils and leaf cuttings through the plant growth regulator (PGR) application of α-naphthaleneacetic acid (NAA) and benziladenin (BA). The research was conducted from August 2020 to December 2021 at IPB University, Bogor. The study consisted of three experiments based on the type of propagation material. Each experiment used a randomized complete block design with three factors, i.e., NAA concentrations (0, 2, and 4 mg L-1), BA concentrations (0, 5, 10, and 15 mg L-1), and propagation materials (Experiment 1: small, medium, large bulbils; Experiment 2: immature and mature peak leaflet cuttings; Experiment 3: immature and mature base leaflet cuttings). The results showed that there was an interaction of three factors in the bulbils and PGR application, which had a significant effect on the percentage of axillary shoot proliferation and growth. In Experiment 2, PGR application was unable to regenerate peak leaflet cuttings, whereas in Experiment 3 PGR encouraged base leaflet cuttings to form shoots, roots, and bulbils, especially at concentrations of 2 mg L-1 NAA+15 mg L-1 BA and 4 mg L-1 NAA+15 mg L-1 BA. Keywords: α-naphthaleneacetic acid, benziladenin, iles-iles, Javanese konjac, plant growth regulators
Characteristics and variability of melon genotypes under shade conditions in greenhouse Amalia Nurul Huda; Willy Bayuardi Suwarno
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.48986

Abstract

The utilization of controlled greenhouses can be an alternative for melon (Cucumis melo L.) cultivation. Growing melon in greenhouses lowers the risk of pests and infections by diverse pathogens. Low solar irradiation during the rainy season and pollution in the greenhouse roof, may cause shade stress conditions for the plants inside. This study aimed to elucidate the plant and fruit characteristics of nine genotypes of melon grown under shade conditions in a greenhouse and the variability among them. The experiment was conducted in a greenhouse of Cikabayan Experimental Station, IPB University, Bogor, from November 2016 to January 2017. The genetic materials evaluated were nine melon genotypes from the Center for Tropical Fruit Studies at IPB University. A randomized complete block design with three replicates was followed. Shade intensity in the greenhouse was approximately 25%. The results showed that the genotype effect was significant for internode length, petiole length, plant height fruit, flesh thickness, fruit rind thickness, fruit weight, and total soluble solids. Genotype means for fruit weight were small in this experiment (< 300 g), whereas the total soluble solids were moderate to high (8.7-14.3 °Brix). Fruit diameter had a positive and significant correlation with leaf length, leaf width, and fruit length, whereas fruit weight had a positive and significant correlation with fruit diameter and fruit length. Keywords: correlation, honeydew, melon breeding, melon group, traits
Callus formation response from immature male flower explant of plantain banana (Musa acuminata x Musa balbisiana cv. Kepok) treated by 2,4-D and BAP Dhiya Nabilla Ardhani; Maharijaya, Awang; Megayani Sri Rahayu
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (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.v52i1.49008

Abstract

Callus induction is an important step in indirect somatic embryogenesis. The aim of this study was to obtain an optimal medium for the callus formation of plantain bananas (cv. Kepok). The research was conducted from May to August 2022 at the Tissue Culture Laboratory of PT. ITCI Kartika Utama, Penajam Paser Utara District, East Kalimantan. The explant used an immature male flower of plantain banana (cv. Kepok). The experiment used a completely randomized design with two factors concentration of 2,4-D (1,2 and 4 ppm) and BAP (5, 10, and 15 ppm). The appearance of callus was monitored daily until it developed explants. On the final observation day, the percentage of explants with callus, as well as the color and texture of the callus, were assessed. The research findings suggest that the optimal medium for inducing callus in male banana flower explants was MS medium supplemented with 2 ppm 2,4-D and 5 ppm BAP. This medium resulted in calluses that exhibited a yellowish-white color and a compact texture. Keywords: callus morphology; genetic improvement; plant growth regulator; tissue culture; triploid banana
Genetic diversity among Vanda celebica, Vanda dearei, and their hybrids based on ISSR markers Yunus, Ahmad; Hartati, Sri; Samanhudi; Sukaya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.49200

Abstract

A cross between two different orchid species is a way to improve the horticultural performance of the hybrids. Inter-simple sequence repeat (ISSR) is a method of molecular markers that could be used to analyze genetic diversity among parents and their hybrid progenies. The purpose of this study was to examine the genetic diversity of the parent species of Vanda dearei and Vanda celebica, the hybrid progenies of (♀ Vanda dearei x ♂ Vanda celebica)-cross and the hybrid progenies of their reciprocal cross. DNA amplification using 5 ISSR primers, namely UBC 810, UBC 815, UBC 834, UBC 835, and UBC 880, produced 60 DNA bands with a size of 200-2800 bp, with the percentage of polymorphism ranging from 81.8%-100% and the percentage of monomorphism as much as 0%-18.2%. Analysis of genetic diversity showed that the genetic diversity among hybrid progenies of (♀ V. dearei x ♂ V. celebica) was 8%. In comparison, those among hybrid progenies of its reciprocal cross (♀ V. celebica x ♂ V. dearei) were 13%. In conclusion, deploying V. celebica as a female parent and V. dearei as a male parent will most likely produce higher diversity among its progenies, compared to the reciprocal cross. Keywords: DNA bands; diversity; marker, orchid; reciprocal cross
Dynamics of weeds and main pests in different rice planting systems supplemented with biodecomposer Firmansyah , Firmansyah; Ibrahim, Elisurya; ismayanti, Rini; Rosida, Nur; Senoaji, Wasis
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (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.v52i1.49513

Abstract

Biodecomposers are used as an alternative in pest and weed management by utilizing antagonistic microbes. This study aimed to identify the optimal treatment for suppressing weed growth and controlling the main rice pests, promoting environmentally friendly agricultural practices. Observations were made on three phases of rice growth on land that used biodecomposer and did not use biodecomposer. Weed sampling used a quadrant, which represents each treatment. All weeds were analyzed for density and summed dominance ratio. Pests were observed from the sweep net method. Pests were analyzed with the Shannon-Wiener diversity index (H’). Ten species of weeds are found; the most common and dominant was Cyperus difformis, while the least were Ipomoea aquatica and Ludwigia octovalvis. There were seven pest species; the most common was Nephothettix virescens, while the least was Valanga nigricornis. Using bio-decomposers combined with a two-row planting system was effective in suppressing the development of weeds and pests with a decreasing trend as the rice growing phase increases. Biodecomposers are environmentally friendly even though the process is slow, and have the potential to reduce weeds and pests.Keywords: biodecomposers, Jarwo 2:1, Tegel, trichoderma
Eco-enzyme and mushroom bag-logs waste stimulate production and nutrients content of celery microgreen (Apium graveolens L.) Elisabet; Prima Wahyu Titisari
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.49588

Abstract

Celery microgreen is celery harvested at a young stage, which is a suitable production model to support urban farming. The study aimed to investigate the potential use of eco-enzyme and oyster mushroom media waste (bag-logs waste) on the growth of celery as microgreen. The present study employed a fully randomized factorial design comprising two factors. The first factor was the dosage of eco-enzyme (E): 0.5, 15, and 25 mL L-1 of water, while the second factor was the dosage of bag-log waste (L): 0.50, 100, and 150 g/tray. The variables that were assessed included wet weight, fresh economic weight, longest root length, root volume, moisture content, vitamin C, Mg, and Ca levels. The data were subjected to ANOVA analysis and subsequently followed by the application of the HSD test at a significance level of 5%. The findings indicated that there was a substantial interaction between the eco-enzyme and bag-log waste in all observed parameters. The best treatment was the combination of eco-enzyme at a concentration of 25 mL L-1 and bag-log waste at a rate of 150 g/tray. The eco-enzyme treatment exhibited a significant impact on all observed parameters, with the most effective treatment being the application of 25 mL L-1. The bag-log waste application affected all measured parameters with 150 g/tray yielding the most favorable results. Therefore, eco-enzymes and bag-log waste have the potential as growing media for celery microgreen cultivation. Keywords: celery, healthy food, organic farming, urban farming, zero waste
Rainwater harvesting and water-saving irrigation for enhancing land productivity in upland rice cultivation Heryani, Nani; Kartiwa, Budi; Rejekiningrum, Popi; Pramudia, Aris; Sosiawan, Hendri
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 3 (2023): 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.v51i3.50325

Abstract

The development of dry land requires precise planning due to its climate-sensitive nature. It is essential to ensure water availability to meet crop water requirements. Rainwater harvesting remains underutilized in upland rice cultivation. The field experiment was conducted in Tulungagung Regency, East Java province, Indonesia from August to December 2017. The research aimed to develop water harvesting technology and irrigation management for upland rice. The nested design was the experimental design with irrigation levels and varieties of upland rice treatments. Four irrigation levels were farmer's customs, 70%, 85%, and 100% of the crop water requirement, while the varieties were Situ Patenggang, Inpago-9, and Inpago-11. Our findings revealed that 70% of the crop water requirement was sufficient for upland rice cultivation in dryland. Crop yields were unaffected by the irrigation level. Differences among upland rice varieties were only significant on plant height character. There was an increased cropping index due to additional water sources in the last months of the dry season until the early rainy season. Rainwater harvesting can be adapted to climate change, especially in areas that often experience water shortages. Keywords: dry land, channel reservoir, irrigation level, crop water requirement
The influence of nutrient concentration and hydroponic growing media on the growth and yield of pagoda mustard greens (Brassica narinosa L.) Fauzi , Deni Ahmad; Isnaeni, Selvy; Nurhidayah, Siti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (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.v52i1.50604

Abstract

Production of pagoda mustard greens is currently still limited, while market demand is increasing. For this reason, it is necessary to increase the yield of pagoda mustard plants through hydroponic with optimization of nutrition and media. This study aimed to determine the plant responses to the application of AB Mix nutrient concentration and growing media types, as well as the effects of their interaction on the growth and yield of pagoda mustard greens. The research was conducted in June-July 2022 at a Screen House in Ciwidey, Bandung, at an altitude of 1,200 meters above sea level. The research used a factorial completely randomized design (CRD) with three replications. The first factor was the concentration of AB Mix nutrients 1,050; 1,150; and 1,250 ppm, and the second factor was the growing media rockwool, cocopeat, sponge, and rice husk charcoal. Data were analyzed using ANOVA and further tested using the Least Significant Difference (LSD) at the 5% level. The results showed that AB Mix nutrient with a concentration of 1,250 ppm or rockwool planting media was able to increase the growth and yield of pagoda mustard greens, but there was no interaction between the two treatment factors. Keywords: AB Mix nutrients; cocopeat; rice husk charcoal; rockwool; sponge
Responses of shallot to ameliorant and actinobacteria applications in water-saturated system on tidal land Haitami, A.; Ghulamahdi, Munif; Sopandie, Didy; Susila, Anas Dinurrohman; Lestari, Yulin
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (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.v52i1.50768

Abstract

Tidal areas are believed as future land for many commodities in Indonesia. Here, shallot growing was evaluated on tidal land supplemented with soil conditioners. The research aimed to evaluate the adaptive response of shallot varieties for growing on tidal land with a water-saturated system indicating Fe and Al stress by applying soil ameliorant and actinobacterial. The study used a completely randomized factorial design with three replications. The first factor was shallot variety (Bima Brebes, Batu Ijo, and SS Sakato) and the second factor was soil conditioners (no ameliorant, actinobacteria, ameliorant+actinobacteria, and actinobacteria+ameliorant+dolomite). Bima Brebes and Batu Ijo cultivars had the highest growth percentage, age at shoot emergence, plant height, and number of leaves, while the SS Sakato variety had the slowest growth. Shallot production variable had a significant interaction with soil conditioners. Bima Brebes variety demonstrated high suitability for a water-saturated system in tidal land, and actinobacteria+ameliorant+dolomite was a more promising conditioner than other treatments. Keywords: pyrite, saturated soil culture, tidal swamps, growth, yield, marginal land.

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