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Merakati Handajaningsih
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Akta Agrosia
Published by Universitas Bengkulu
ISSN : 14103354     EISSN : 26157136     DOI : https://doi.org/10.31186/aa
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Akta Agrosia is dedicated to researchers or academics who intent on publishing research, scientific thinking, or other scientific ideas. The articles published in the Akta Agrosia are the author’s original works covering on Crop Production, Crop Physiology, Pest and Disease, Soil Science, Agronomy, Plant Genetics, Plant Breeding, Plant Biotechnology. Akta Agrosia is published by the Department of Crop Production, Faculty of Agriculture, University of Bengkulu, biennially in June and December. ISSN:1410-3354 (printed media) and eISSN: 2615-7136 (online media).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 133 Documents
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The Effect of Ultisols Subsoil Combined with Mexican Sunflower (Tithonia diversifolia) Compost and Vermicompost on Pre-Nursery Growth of Oil Palm Seedling Hutabarat, Grace May Sawita; Simanihuruk, Bilman Wilman; Herison, Catur; Muktamar, Zainal; Suprijono, Eko; Hairani, Putri Mian
Akta Agrosia Vol 26 No 2 (2023)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.26.2.50-58

Abstract

The productivity of oil palm is determined by the use of high-quality seedlings that have good growth potential, appearance, and the ability to grow in various environmental conditions. To obtain good oil palm seedlings, attention must be paid to the planting media used. The objective of this research was to determine เว็บสล็อต | R4shub the appropriate composition of planting media, consisting of Ultisols subsoil, compost, and vermicompost, for oil palm seedlings in the pre-nursery stage. This study was conducted from January to April 2023, used a Completely Randomized Design (CRD) with a single factor consisting of 10 treatments, which are 100% Ultisols subsoil, 80% Ultisols subsoil + 20% mexican sunflower compost, 80% Ultisols subsoil + 20% vermicompost, 60% Ultisols subsoil + 20% mexican sunflower compost + 20% vermicompost, 60% Ultisols subsoil + 10% mexican sunflower compost + 30% vermicompost, 60% Ultisols subsoil + 30% mexican sunflower compost + 10% vermicompost, 60% Ultisols subsoil + 40% mexican sunflower compost 60% Ultisols subsoil + 40% vermicompost, 50% Ultisols subsoil + 50% mexican sunflower compost, 50% Ultisols subsoil + 50% vermicompost. The research results showed that the composition of 60% Ultisols subsoil + 40% vermicompost provided the best growth for oil palm seedlings in the pre-nursery stage, as evidenced by seedling growth parameters such as plant height, number of leaves, leaf area, root volume, root dry weight, crown dry weight, and plant dry weight Keyword: mexican sunflower compost, pre nursery, ultisols subosil, vermicompost.
Characterization and Genetic Diversity of Golden berries (Physalis spp.) Based on Morphological Characters Sari, Hevia Purnama; Lestari, Mustika Adzania; Putrantri, Desty Aulia; Zulfahmi, Reza
Akta Agrosia Vol 26 No 2 (2023)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.26.2.59-65

Abstract

Golden berries is a plant that has medicinal functions, fresh fruit and has high economic value. Golden berries  plant breeding is carried out to improve the quality of the plant. This research aims to analyze the genetic diversity of Golden berries  to produce new varieties. This research was conducted at the Lampung State Polytechnic Greenhouse from April to September 2023. This research used qualitative methods and the variables observed included variables in the vegetative and generative phases. The results showed that the five genotypes studied showed quite high diversity, namely เว็บสล็อต | R4shub at a copenhetic distance of 0.8. The golden 1 and golden 2 and red genotypes belong to Physalis peruviana while the two local genotypes are Physalis angulata. High diversity has great potential for crossbreeding so that it can produce heterosis traits. Heterosis is the characteristic of offspring being able to exceed the characteristics of their two parents. Based on this research, the genotypes observed are good for use as parents in plant breeding.
Production of Some Shallots Varieties at Different Plant Spacing Zulfahmi, Reza; Lestari, Mustika Adzania; Sari, Hevia Purnama; Putrantri, Desty Aulia
Akta Agrosia Vol 26 No 2 (2023)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.26.2.98-102

Abstract

The demand for shallots continues to rise annually, yet production fails to meet the growing need. Enhancing production through strategic plant spacing and the utilization of diverse shallot varieties is imperative. This research aims to determine the optimal plant spacing for shallots and evaluate the performance of different shallot varieties under varying planting distances. A factorial Randomized เว็บสล็อต | R4shub Complete Block Design (RCBD) with two factors was employed, investigating three shallot types (Bima Brebes, Maja Cipanas, and Tajuk) and testing three planting distances (15 cm x 15 cm, 20 cm x 20 cm, and 25 cm x 25 cm). Each treatment was replicated four times, and data were collected on various parameters including leaf length, leaf diameter, number of leaves, bulb length, bulb diameter, number of tillers, bulb fresh weight, bulb dry weight, bulb weight per cluster, and bulb dry weight per cluster. Results indicate that Bima Brebes and Maja  memahami pentingnya dukungan pelanggan yang responsif. Oleh karena itu, mereka menyediakan layanan pelanggan yang siap membantu pemain kapan saja Cipanas types demonstrated the highest bulb dry weight per cluster, with 32.69 grams and 31.71 grams, respectively. The optimal plant spacing identified is 20 cm x 20 cm, promoting increased leaf and bulb diameter, as well as enhanced bulb dry weight per cluster. Keywords: plant spacing, shallot, variety testing, yield,  
Assessing the Structure and Environmental Impact of Mangrove Forests in Segara Anakan, Cilacap, Central Java Wintah; Kiswanto
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.27-31

Abstract

The mangrove ecosystem in Segara Anakan has experienced significant habitat changes, with nearly half of the area damaged, thereby impacting the mangrove vegetation structure. This study determines the structure of mangrove forest communities using a survey method and a random sampling technique. เว็บสล็อต | R4shub Quadrants of varying sizes were used to measure tree, sapling, and seedling vegetation. The study identified 10 mangrove species from 4 families: Rhizophoraceae (5 species), Meliaceae (1 species), Lythraceae (2 species), and Acanthaceae (2 species). Tree-level mangrove density was highest at station 3 (0.28 ind/m²), followed by stations 2 (0.27 ind/m²) and 1 (0.16 ind/m²). Sapling density was also highest at station 3 (13.08 ind/m²), followed by stations 2 (12.48 ind/m²) and 1 (9.84 ind/m²). These findings provide valuable insights into the current state of mangrove ecosystems in Segara Anakan, emphasizing the need for conservation and management efforts to mitigate further habitat degradation and loss of biodiversity.  Keywords: density, environmental impact, mangrove, species richess,  
Performance of Lettuce (Lactuca sativa) Grown under Ultisol Subsoil with Chicken Manure and Dolomite Viani, Reza Junita Okta; Handajaningsih, Merakati; Suprijono, Eko; Marwanto
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.1-6

Abstract

Lettuce is a horticultural plant with a short harvest time that is a popular vegetable choice for planting in polybags in urban areas. Planting media for cultivating plants in  polybags vary widely. The use of nutrient-poor and acidic subsoil in Ultisols as a planting medium requires additional organic matter and lime that are suitable for the plants. This study evaluated the use of subsoil as a medium for growing lettuce by adding เว็บสล็อต | R4shub chicken manure and dolomite. The Completely Randomized Design was used, which consisted of two factors and 6 replications. The first factor was the dose of chicken manure consisting of: 0 ton/ Ha, 10 tons/Ha (38g /polybag), 20 tons/ Ha (76g/ polybag), and 30 tons/ Ha (115g /polybag). The second factor was the dolomite dose, consisting of no dolomite, 1xAl-exch, and 2xAl-exch. A dose of 20 tons /Ha of chicken manure combined with   1xAl-dd of dolomite increased the growth of plants. The treatment of chicken manure at 20 tons/Ha showed growth and yield of lettuce that were as good as a treatment dose of 30 tons/ Ha. The highest fresh weight (123.05g) was obtained from 30 tons/Ha-chicken manure treatment. The appropriate dose of dolomite for lettuce growth and yield was 1xAl-exch, which resulted in a plant fresh weight of 121.12 g. Subsoil is suitable to be used as a medium for planting lettuce in polybags by adding chicken manure or dolomite.  Keywords: organic matter, marginal soil, leafy vegetable, container veg production
Viability and Vigor Test of Local Rice Seeds in Kuantan Singingi Marlina, Gusti; Syarif, Auzar; Gustian; Yusniwati
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.14-18

Abstract

Seeds are a valuable plant material for agriculture. The Kuantan Singingi district has many local rice seeds that can be developed, but these have not yet passed standard testing. This study aimed to determine the physical and physiological qualities of the seeds of two local rice genotypes in Kuantan Singingi Regency. This research was conducted in a completely randomized design (CRD), which was repeated four times. The factor tested consisted of two rice genotypes: the white and yellow genotypes. เว็บสล็อต | R4shub The parameters observed were the percentage of the First Count Test (FCT) of germination capacity (GP), Maximum Growth Potential (MGP), Root and Shoot Growth Test (RSGT), and Seedling Growth Rate Test (SGRT). The collected data were analyzed by ANOVA at the 5% level and further tested by the LSD test. The results showed that FCT (%), GP (%), and Vigor (%) provide high figures according to SNI. Meanwhile, the IVT of all seeds on day 2 germinated. Based on the data from the RSGT and SGRT, all seed growth was normal.  Keywords: Kuantan Singingi, local seeds, viability, vigor
The Effect of Planting Systems and Planting Methods on the Growth and Yield of Inpago Unsoed Protani Rice Variety Indrianingsih, Citra; Barokah, Umi
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.37-44

Abstract

For the Indonesian people, rice is indispensable as it provides essential energy and carbohydrates. One critical factor influencing rice production is the planting system and planting methods.  The research aimed to determine the effect of different planting systems on the growth and yield of the Inpago Unsoed Protani rice variety (Oryza sativa L.). Conducted in Gintungan Village, Gebang District, Purworejo Regency, from June 2023 to October 2023, the study utilized a Split Plot Design with 3 replications.  The main plot was planting method consisting of Tile planting system (25 cm x 25 cm), Jajar Legowo planting system 2:1 (20 cm x 10 cm x 40 cm), and Jajar Legowo planting system 2:1 (25 cm x 12.5 cm x 50 cm). The subplot was the number of seedlings เว็บสล็อต | R4shub per hole, including 1, 2, and 3 seedlings per planting hole.  Observations focused on plant height, number of productive tillers, number of panicles, number of filled grains, amount of empty grain, number of filled grains per panicle, weight of 1000 grains, and yield.  The results showed no interaction effect between the planting system and the number of seedlings on the growth and yield of the Inpago Unsoed Protani rice variety. However, the Jajar Legowo planting systems outperformed the tile planting systems, demonstrating superior results. Specifically, employing a single seedling per hole proved to be the optimal planting method for enhancing the growth and yield of the Unsoed Protani rice variety. Keywords: planting method, rice, plant system
Responses of Solo Garlic Crops Grown at Low Elevation of Tropical Areas to Organic Matter and Paclobutrazol Suharjo, Usman Kris Joko; Widodo; Pamekas, Tunjung; Monica
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.32-36

Abstract

Solo garlic has been known for its medicinal benefits because of which it is considerably expensive. Nonetheless, no Indonesian farmer produces solo garlic intentionally since no information on how to grow solo garlic in Indonesia is available.  Growers, usually harvest 5-10 kg of solo garlic from 1 hectare of garlic crop they grow. A greenhouse experiment was conducted from November 2018 to January 2019 at the Department of Agronomy, Faculty of Agriculture, Bengkulu University, about 10 m above sea level to study the effects of paclobutrazol and organic matter on the เว็บสล็อต | R4shub growth and yield of solo garlic crop grown at low elevation of Bengkulu. The experiment used completely randomized design arranged in factorial (2 factors; 5 replications). The first factor tested was organic matter levels (0, 2.5, 5.0, 7.5%) and the second factor was paclobutrazol concentrations (0, 500, 1000, 1500 ppm). Solo garlic seeds were planted in the polybag filled with 5 kg of media, a mixed of topsoil and organic matter. The crops were sprayed with paclobutrazol at 21, 35, and 49 days after planting.  The results showed that organic matter did not significantly affect crop growth and yield. In contrast, paclobutrazol significantly affected crop growth and yield, with the best yield was found at 1500 ppm paclobutrazol. Furthermore, there was no significant interaction between organic matter and paclobutrazol on the growth and yield of solo garlic grown at low elevation at tropical climate in Indonesia. Keywords: clove, medicine, organic matter, paclobutrazol, solo garlic
Evaluation of the Growth and Yield of Hydroponically Grown Bell Pepper at Low Altitudes Nabila, Athya Kania; Herison, Catur; Fahrurrozi; Suharjo, Usman Kris Joko; Handajaningsih, Merakati; Rustikawati
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.19-26

Abstract

Bell pepper cultivation in low-altitude regions of Indonesia holds significant promise because of increasing domestic and international demand. However, domestic production is not sufficient to meet market needs. This study investigates hydroponic cultivation as a potential solution to low-altitude agriculture. Conducted from November 2023 to January 2024 at the University of Bengkulu Greenhouse เว็บสล็อต | R4shub (10 meters above sea level), the research evaluated the performance of nine bell pepper cultivars using a single-factor completely randomized design (CRD) with three repetitions. The cultivars tested were Red Star F1, Cardinal Star, Hercules, Merah, Yellow Star F1, Golden Star F1, Polaris F1, Orange Bell F1, and Kuning. Results indicated that the Cardinal Star and Polaris F1 cultivars outperformed the others under low-altitude conditions, demonstrating superior growth and yield components. Cardinal Star exhibited the highest fruit weight per plant, whereas Polaris F1 had the highest weight per fruit or fruit size. Key word:  bell pepper, hydroponics, low altitude areas
Candlenut (Aleurites moluccana) Seed Export Treatment Using Nanotechnology with Microbial Antagonist Secondary Metabolites as a Preventive Drug: A Review Fata, Ghani Husni; Rahayuniati, Ruth Feti; Suroto, Agus
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.7-13

Abstract

Candlenut seed quality is an important aspect of plantation commodities used to export from Indonesia. But, this commodities have many problems with export processing, such as infection and destruction by pest microorganisms, especially caused by quarantined pest microorganisms. To enhance germination, beneficial microbes that produce secondary metabolites produce biostimulants, such as plant growth enhancement, increased nutrient uptake, and improved plant resilience to pest stress. เว็บสล็อต | R4shub This review highlights the most viable alternative to seed treatment for preventive quarantine using nanotechnology, such as nanomaterials based on secondary metabolites of candlenut seeds. Secondary metabolites from microbial antagonists are beneficial for increasing plant productivity and production, but seed production is still not widely known and performed. In addition, nanoparticles can be used to absorb nutrients from secondary metabolites that must be protected before export inspection by a quarantine agency. The results are generally positive, but more scientific information needs to be acquired for candlenut crops and under variable quarantine export inspection to understand the effects of seed treatments. Keywords: candlenut seed, export, quarantine, nanotechnology

Page 12 of 14 | Total Record : 133

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