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Dr. Achmad Amzeri, SP. MP.
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Agrovigor: Jurnal Agroekoteknologi
Published by Universitas Trunojoyo Madura
ISSN : 1979577     EISSN : 24770353     DOI : https://doi.org/10.21107/agrovigor
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrovigor: Jurnal Agroekoteknologi is a scientific paper in the field of science Agroecotechnology which include: plant science, soil science, plant breeding, pest and plant diseases.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 327 Documents
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Morphological character and simplicia of galangal (Alpina galanga L.) in Bangkalan Rizal, Moh.; Tripatmasari, Mustika; Sholehah, Diana Nurus
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.31567

Abstract

The aim of this research is to determine the differences in morphology, growth and yield of simplicia galangal in several sub-districts in Bangkalan. This research uses a purposive sampling method where the determination of sample locations is carried out based on the snowball sampling. The results of this research show that the morphological characters of galangal in Socah, Geger and Kamal have no differences in characteristics of the leaf color, leaf shape, leaf tip, leaf base, leaf surface, stem type, stem color, stem shape, stem surface, root type, root shape, root color, rhizome skin color and rhizome flesh color. The results of the Independent T Test with a level of 95% on the growth and production parameters of galangal show that there are differences in root length in Socah and Geger for the number of leaves, number of roots and root length in Kamal and Socah. Meanwhile, in Geger and Kamal, there are differences in the number of leaves, plant height and number of roots. The yield of the rhizome simplicia of the galangal shows that there are differences between Geger and Kamal District.
Strategic Approachesfor Sustainable Development of Smallholder Cocoa Plantations in North Luwu Regency, South Sulawesi Abdullah, Abdullah; Haris, Abdul; Hidayat, Dadan; Ali, Hamed Norolla Bakheet
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.28957

Abstract

North Luwu Regency is the largest cocoa producer in South Sulawesi Province; however, the productivity and quality of its cocoa products are still relatively low. The challenges faced are very complex, involving both internal and external factors. To overcome these challenges, a comprehensive approach with the right strategy is needed.The goal is to realize sustainable community cocoa plantation development.This study aims to formulate alternative strategies for sustainable community cocoa plantation development in North Luwu Regency. The study employs Internal and External Factor Evaluations (IFE and EFE), followed by SWOT analysis, to assess management practices in community-based cocoa plantations. The results indicate that the sustainability of community cocoa plantations is threatened by internal weaknesses and significant external threats. This study proposes a defensive strategy that includes the identification and mitigation of internal weaknesses and the proactive anticipation of external threats. The implementation of this strategy necessitates collaborative and coordinated efforts among local governments, which function as the primary leaders in the upstream sector, cocoa stakeholders, who serve as leaders in the downstream sector, and farmers, who act as the primary agents.
Selection of Maize Lines Resistant to Drought Stress Using Peg 6000 in The Vegetative Phase Arifin, Nur Iman; Suhartono, Suhartono; Amzeri, Achmad; Umam, Ahmad Syaiful
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30743

Abstract

Selection of maize lines for drought stress is the initial step in developing maize varieties with high production and resistance to drought stress. The research aims to determine the characteristics of maize lines in the vegetative phase and to select for resistance of maize lines in the vegetative phase using PEG 6000. The research used a Randomized Complete Block Design (RCBD), which was arranged factorially with three replications and two treatments. The number of treatments in this study was 40 treatment combinations, so there were 120 experimental units. Factor I was genotype, and factor II was the giving of PEG-6000 solution. All maize lines were planted in polybags measuring 20 x 20 cm. There are two levels of PEG 6000 solution treatment: 0% concentration (optimum condition) and 10% concentration, which is equivalent to -0.19 Mpa (drought stress condition)  (Mexal et al., 1975). When the plants are 10 days after planting (DAP), drought stress is applied using a 10% concentration of PEG 6000 solution. The observed characters were plant height, root length, leaf area, leaf chlorophyll, plant wet weight, and plant dry weight.  The research results showed that drought stress treatment mostly reduced the character values of plant height, root length, leaf area, leaf chlorophyll, plant wet weight, and plant dry weight. All tested lines showed significant differences in all tested characters against optimum condition treatments and drought stress. The lines resistant to drought stress were G4, G9, G11, G13, G14, G15, G16, G17, and G19.
Nematode Communities in Irrigated and Rainfed Rice Fields in Sukabumi Regency, West Java Munif, Abdul; Sitanggang, Della; Fatimatuzzahroh, Fatimatuzzahroh; Mirsodi, Muhammad; Kusumawardhani, Amelia; Indiyanti, Nurul Fitria
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30451

Abstract

Parasitic nematodes are among the most important constraints in rice cultivation, yet information on their community structure in Sukabumi, West Java, remains limited. Understanding nematode ecology in this region is essential to develop sustainable management practices, particularly given the dominance of rice monoculture and the contrasting water management systems between irrigated and rainfed fields. This study aimed to characterize nematode diversity and community composition in both ecosystems and to assess their potential implications for agroecosystem health. Soil and root samples were collected from irrigated and rainfed rice fields, and nematodes were extracted using standard methods before identification to the genus level. Ecological indices were calculated to evaluate community structure. The results revealed relatively low diversity (H’ = 0.71–0.94), low evenness (E = 0.52–0.61), and high dominance (C = 0.42–0.58). Irrigated fields supported a greater number of genera but were strongly dominated by Meloidogyne, reflecting the favorable conditions of constant flooding for root-knot nematodes. In contrast, rainfed fields contained fewer taxa but showed marked dominance of Criconemella, a genus more tolerant to soil compaction and moisture fluctuations. These differences demonstrate that intensification and water regimes significantly influence nematode assemblages, leading to distinct ecological patterns and potential risks for rice production. Nematode communities in Sukabumi are characterized by low diversity and high dominance of parasitic genera, which may undermine soil health and long-term productivity. Nematodes found in both irrigated and rainfed fields exhibited low diversity, low evenness, and high dominance. The nematodes identified in irrigated rice fields included genus Helicotylenchus, Rhabditis, Meloidogyne, Hirschmanniella, Tylenchorhynchus, Pratylenchus, and Aphelenchoides. Nematodes found in rainfed rice fields included Meloidogyne, Hirschmanniella, and Criconemella. Meloidogyne spp. was one of the dominant nematodes found in both root and soil samples across various rice cultivation types and locations. These findings highlight the urgent need for integrated nematode management strategies, including resistant varieties, organic amendments, crop rotation, and biological control agents, to sustain rice agroecosystems and secure food production in West Java
Evaluation of Artificial Diets Formulations for Laboratory-based Rearing Spodoptera frugiperda Megasari, Dita; Atasa, Dita; Damayanti, Denia Rista; Maulana, Arman Adrian; Najiyah, Aliyatul; Khoiri, Syaiful
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.28209

Abstract

Corn is an important food commodity that susceptible to pest attacks such as armyworm (Spodoptera frugiperda). This invasive pest attacks the growing points of corn plants and causes decreased productivity. Supporting biological research on this pest, the development of artificial feed is crucial considering the limited natural feed. This study aimed to evaluate the effect of artificial diet formulations on the preferences of S. frugiperda larvae. Three formulations with different compositions are studied in this research. Instar 3 larvae were subjected to a preference test to determine the rapid response of the larvae and the weight of the feed consumed (daily consumption). The preference test was carried out in duration 1, 2, 4, 6, and 24 hours. The results showed that Formula 3, which uses natural ingredients such as baby corn and corn sprouts, has the highest initial attractiveness (30% in 1 hour). The physical and chemical characteristics of artificial diet affect the preferences of larvae with formula 3 being the most effective for rapid response, and formulas 1 and 2 being more stable for continuous use. The highest daily consumption of larvae was in formula 3 (0.066 ± 0.027 grams). However, it was not significantly different from formula 1 (0.058 ± 0.029 grams). The use of artificial feeds in the laboratory rearing of S. frugiperda offers a viable alternative to natural feeds, with Formula 3 showing a high initial preference, Formula 1 remaining attractive over time, and Formula 2 showing lower consumption, likely due to its efficient nutritional composition, as evidenced by feeding activity through visible bite marks and feed perforations.
Carbon Sequistration through Oil Palm Frond Biochar for CO2 Mitigation and Land Degradation Septyani, Ika Ayu Putri; Zamzami, Lutfi Fadilah
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30660

Abstract

The increasing expansion of palm oil plantations can exacerbate climate change due to high deforestation rates and increased CO2 emissions. This study aims to identify carbon sequestration through oil palm frond biochar as a mitigation strategy for CO2 emissions and land degradation. This research conducted at Palm Oil Plantation on Siluman B, Labuhanbatu District.  This study using a Factorial Randomized Block Design with two factors, 3 × 2, and 5 replications, resulting in 30 experimental units. The main factor is biochar A0 = No biochar, A1 = 1.5 kg, A2 = 3.0 kg. The second factor is the method of biochar application which includes B0 = Incorporation into soil, B1 = Applied on the soil surface. Biochar significantly increases soil carbon stocks by nearly double, proving its role in carbon sequestration. Application of biochar on the surface and incorporation into soil have the same efect to increase soil carbon sequistration. Biochar fundamentally improves soil fertility by increasing the Cation Exchange Capacity, total N content, and the availability of essential base cations, while lowering the C/N ratio to a more ideal level. The method of incorporating biochar into the soil proved superior for enhancing CEC, making it the recommended practice.
Growth and NPK Level of Two Rice Varieties (Oryza sativa L.) Due to Differences in the Combination of Inorganic and Biological Fertilization Faizah, Mazidatul; Nasirudin, Mohamad
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.31737

Abstract

The increase on rice plant growth can be done through the application of organic and inorganic fertilizers, as well as the use of appropriate varieties. This research aimed to examine the effect of a combination of organic and inorganic fertilizer doses and the use of varieties on improving rice plant growth and nutrient level. The research was conducted from June to August 2025 located in Sudimoro Village, Megaluh Subdistrict, Jombang Regency. This research used a factorial randomized block design (RBD) with two factors and three replications. Factor 1 is a combination of biological and inorganic fertilizer doses consisting of 9 levels of treatment, namely: 100% inorganic fertilizer + no biological fertilizer (P1), 75% inorganic fertilizer + no biological fertilizer (P2), 50% inorganic fertilizer + no biological fertilizer (P3), 100% inorganic fertilizer + 5 ml biological fertilizer (P4), 75% inorganic fertilizer + 5 ml biological fertilizer (P5), 50% inorganic fertilizer + 5 ml biological fertilizer (P6), 100% inorganic fertilizer + 10 ml biological fertilizer (P7), 75% inorganic fertilizer + 10 ml biological fertilizer (P8), and 50% inorganic fertilizer + 10 ml biological fertilizer (P9). Factor 2 is the rice plant varieties, namely: Inpari 32 (V1) and Ciherang (V2). The observations conducted included growth observations, namely plant height, number of leaves, number of tillers and dry weight of plants observed at 15, 30, 45, and 60 days after planting and NPK level of plants observed at 60 days after planting. The results showed that the combination of 100% inorganic fertilization + 10 ml of organic fertilizer generally increased plant height, number of leaves and dry weight of rice plants. The use of the Ciherang variety resulted in better plant height, number of leaves and dry weight of rice plants compared to the Inpari 32 variety. The use of a combination of inorganic and organic fertilizer had a significant effect on increasing the number of tillers of rice plants of the Inpari 32 variety compared to the Ciherang variety. The nitrogen content of rice plants (1.17 to 1.99%) is included in the deficiency category, while the phosphorus content (0.14 to 0.31%) and potassium (1.45 to 2.22%) are included in the excess category, where the addition of biofertilizer has an effect on increasing the nitrogen, phosphorus and potassium content of rice plants compared to without biofertilizer.

Page 33 of 33 | Total Record : 327

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