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INDONESIA
Jurnal Ilmu-Ilmu Pertanian Indonesia
Published by Universitas Bengkulu
ISSN : 14110067     EISSN : 26849593     DOI : https://doi.org/10.31186/jipi
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu-Ilmu Pertanian Indonesia (JIPI) is a scientific journal that publishes research results related to resource issues and agricultural productivity widely, including Agroecotechnology, Plant Breeding, Soil Science, Plant Protection, and Agricultural Ecology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 213 Documents
 18   19   20   21   22 
KERAGAAN PERTUMBUHAN DAN HASIL 20 GENOTIPE CABAI MERAH (Capsicum annuum L.) DI DATARAN RENDAH Viona Juanda Putri; Catur Herison; Merakati Handajaningsih; Marulak Simarmata; Rustikawati; Sukisno
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.1.40-46

Abstract

[GROWTH ADAPTATION AND PRODUCTIVITY OF 20 CAYENNE PEPPERS (Capsicum annuum L.) GENOTYPES IN LOWLANDS AREA]. The cultivation of chili peppers in lowland areas of Indonesia faces several environmental challenges. Efforts to increase red chili production in lowland regions include planting genotypes that are adaptive to local environmental conditions. This study aims to obtain information on the best red chili genotypes that can adapt and produce well in lowland areas. The research was conducted from May 2024 to September 2024 using the Completely Randomized Block Design (CRBD) method with a single-factor treatment, consisting of 20 genotypes red chili with three replications. The data collected included growth variables (plant height, first dichotomous height, leaf area, number of dichotomous points, stem diameter, and plant dry biomass) and yield variables (first harvest age, number of fruits per plant, fruit diameter, fruit length, fruit weight per plant, and percentage of marketable fruit). The results showed that the ‘Lotanbar’ genotype exhibited the best performance during the vegetative phase, as indicated by the largest total leaf area, the highest number of dichotomous points, the largest stem diameter, and the highest plant dry weight compared to other genotypes. Meanwhile, the ‘Baja F1’ genotype demonstrated superior performance during the generative phase, producing the largest fruit diameter and the highest fruit weight per plant, reaching up to 200% higher than the genotype with the lowest yield. Thus, the ‘Lotanbar’ genotype is recommended for optimization during the vegetative growth phase, while ‘Baja F1’ is more ideal for increasing yield during the generative phase in red chili cultivation in lowland areas.  
GERMINATION OF NUTMEG SEEDS (Myristica argentea Warb) IN VARIOUS MEDIA WITH SCARIFICATION TREATMENT
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.1.47-52

Abstract

Nutmeg has considerable potential to enhance the local economy, especially in the Papua region, where it is primarily cultivated in the Fakfak Regency and commonly known as Fakfak Nutmeg. One of the major challenges in nutmeg cultivation is the extended seed germination period, which limits the availability of high-quality planting materials. Typically, untreated nutmeg seeds germinate within 2 to 3 months after planting, whereas scarified seeds germinate more quickly, in approximately 1.5 months. This study aimed to evaluate the effects of different growth media and seed coat scarification on nutmeg seed germination. A randomized factorial design was employed, with seed coat treatment and growth medium. The observed variables included germination percentage, germination rate, peak value, average daily germination, seedling height, number of leaves, number of roots, and stem weight. The results showed that scarification had a significant effect on germination, particularly in terms of germination percentage, average daily germination, germination rate, and peak value. However, it did not significantly affect other growth parameters such as seedling height, number of leaves, number of roots, or stem weight. No significant differences in germination performance were observed between sand and soil media.  
KEMAMPUAN ANTAGONISTIK BEBERAPA ISOLAT Bacillus spp. TERHADAP PATOGEN Pyricularia oryzae PENYEBAB PENYAKIT BLAS TANAMAN PADI (Oryza sativa L.) PADA BEBERAPA KONSENTRASI Setiawan Setiawan; Yenny Wuryandari; Tr Mujoko
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.1.67-76

Abstract

Rice (Oryza sativa L.) is a staple food crop that plays a vital role in supporting national food security. One of the major constraints in rice cultivation is blast disease, caused by the fungal pathogen Pyricularia oryzae, which can significantly reduce crop productivity and lead to substantial economic losses. The conventional management of this disease relies heavily on chemical pesticides, which pose long-term risks to environmental and human health. Therefore, eco-friendly alternatives such as biological control agents are necessary, with Bacillus spp. being one promising candidate. This study aimed to evaluate the antagonistic activity of three Bacillus spp. isolates (Bcz-14, Bcz-20, and Bcz-30) against P. oryzae at two bacterial population densities (10⁶ CFU/mL and 10⁹ CFU/mL) under in vitro conditions. The experiment was conducted at the Plant Health Laboratory, Faculty of Agriculture, Universitas Pembangunan Nasional “Veteran” East Java, from January to March 2025. Results of the antagonism assay demonstrated that all Bacillus spp. isolates inhibited the growth of P. oryzae, with the highest inhibition observed in treatments Bcz-14 and Bcz-30 at 10⁶ CFU/mL, with inhibition rates of 24.29% and 23.35%, respectively. The observed inhibition mechanisms included competition and antibiosis. Microscopic observations revealed abnormal hyphal structures in P. oryzae, including lysis, swelling, and chlamydospore formation, in response to Bacillus spp. treatment.  
A Sebaran Spasial Karbon Tanah Gunung Marapi Auliadesti, Vivin; Gusnidar, Gusnidar; Fiantis, Dian
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.103-111

Abstract

[SPATIAL DISTRIBUTION SOIL CARBON MARAPI MOUNTAIN]. Volcanic activity will significantly affect the carbon component and its fraction in the soil. Volcanic soils have high carbon content. This study aimeds to map the soil carbon and its fraction vocanic soil of Mt. Marapi. A total of 93 soil samples were taken with a grid interval of 750 x 750 m at a depth of 0-20 cm spread across the Southwest, West and Northwest areas affected by the eruption of Mt. Marapi at a radius of 4.5-7 km from the peak. The parameters analyzed were: bulk density, soil pH, C-organic, C fractions. The results showed that, soil pH ranged from 4.59-6.19 (pH H2O) and 3.8-5.8 (pH KCl), C organic ranged from 3.00%-14.16%, C-very labile ranged from 0.001-0.045%, C-labile ranged from 0.14-1.41%, C boundts non-crystalline clay ranged from 0.20-2.10%, C-metal complex ranged from 0.11-1.70%. Soil pH in Northwest was different from those of in West and Southwest. Very labile carbon in Southwest slope was not the same as those found in West and Northwest. C-metal complex in Northwest soil did not the same as those found in West and Southwest. The diversity of carbon fractions can be used as a reference in tillage to maintain carbon storage and become a marker for soil health. Full text pdf
RESPONSE OF TEN ORIGIN OF TARO TO PUDDLE LEVELS Manalu, Ridoi; Yulian, Yulian; Widodo, Widodo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.121-128

Abstract

[EFFECTS OF WATERLOGGING ON THE GROWTH OF TARO (Colocasia esculenta (L.) Schott) ACCESSIONS IN COASTAL AREA OF BENGKULU]. Taro (Colocasia esculenta (L.) Schott) is a vital tropical root crop with considerable potential for food diversification due to its nutritional and carbohydrate content. In Bengkulu Province, Indonesia—a region with rich taro genetic diversity in coastal agroecosystems—systematic evaluation of local accessions under waterlogging stress remains limited. This study assessed the effects of waterlogging depth and accession variability on taro growth using a Randomized Complete Block Design with three replications, evaluating ten local accessions under three waterlogging levels: 0 cm (control), 15 cm, and 30 cm. Results revealed significant (p < 0.01) differences among accessions for plant height, leaf width, leaf length, and stem diameter, indicating substantial genetic variation. Waterlogging significantly affected leaf width and length (p < 0.01) and plant height (p < 0.05), but not leaf number or stem diameter. No significant accession × waterlogging interaction was observed, suggesting consistent accession performance across treatments. Karang Tinggi (AK10) showed the greatest plant height (134.69 cm) and stem diameter (6.39 cm), while Bentiring 2 (AK4) exhibited the largest leaves. Moderate waterlogging (15 cm) did not impair growth relative to the control, but 30 cm waterlogging reduced leaf dimensions. These findings support the selection of resilient accessions like Karang Tinggi and Bentiring 2 for cultivation in flood-prone coastal areas and provide a foundation for breeding waterlogging-tolerant taro varieties. Full text pdf
Kajian Silika Tanah pada Berbagai Pengunaan Lahan di Kecamatan Madiun. Study Of Soil silica On Various Land Uses in madiun Sub-Distric : pertanian, ilmu tanah, silika Hindun Labiba, Primadi; Edi Sasongko, Punomo; Siswanto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.129-139

Abstract

[RELATIONSHIP BETWEEN SOIL SILICA AND PLANT TISSUE SILICA ACROSS DIFFERENT LAND USES IN MADIUN DISTRIC]. Agricultural land in Madiun District frequently experiences drought during the dry season, reducing plant tolerance to environmental stress. Although not an essential nutrient, silica can enhance plant resistance to drought stress and plays a role in nutrient binding. This study aimed to examine soil and plant tissue silica content across various land uses in Madiun District. The research was conducted on three land use units in  Gunungsari, Banjarsari, and Sirapan Villages. Soil and plant samples were collected at 0–30 cm and 30–60 cm depths. Soil analyses included physical properties (texture and moisture content) and chemical properties (pH,organic C, total N, cation exchange capacity, and silica content). Data were analyzed using correlation and linear regression tests. Results showed that the highest silica content in plant tissue was found in paddy fields (40%) and the lowest in sugarcane fields (29%). Soil silica content in sugarcane fields was highest in Banjarsari Village (57.31%) and lowest in Sirapan Village (56.75%), while in paddy fields it was highest in Gunungsari Village (66.69%) and lowest in Sirapan Village (65.57%). The presence of silica influenced soil cation exchange capacity and nitrogen content, and it contributed to increasing plant tolerance to drought by reducing water loss through transpiration. The study recommends land management practices to enhance silica availability, such as returning crop residues to the soil. Full text pdf
KEANEKARAGAMAN ARTHROPODA PADA TANAMAN CABAI MERAH DI BAWAH NAUNGAN TANAMAN AREN DI SUMATERA SELATAN Herlin, Weri; Irsan, Chandra; Oktaviani, Oktaviani; Pujiastuti, Yulia; Saputra, Muhamad Ridho
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.140-147

Abstract

[ARTHROPOD DIVERSITY IN RED CHILI CULTIVATION UNDER SUGAR PALM SHADE IN SOUTH SUMATRA]. Arthropods are essential components of terrestrial ecosystems, functioning as pollinators, decomposers, herbivores, and natural enemies, and their presence reflects the health of agricultural landscapes. The red chili agroforestry system under sugar palm shading in South Sumatra creates a favorable habitat for arthropod communities through the interaction of canopy cover, microclimate conditions, and plant diversity. This study aimed to analyze the structure, diversity, and ecological roles of arthropod communities associated with chili plants withinthis system. Sampling was conducted systematically across several plots, and collected specimens were identified and analyzed using the Shannon–Wiener diversity index, evenness, and dominance metrics. The results showed that the arthropod community consisted of various orders, with predators forming the dominant guild, followed by pollinators, herbivores, and decomposers. The balanced distribution of individuals among trophic groups indicates a stable community structure, while fluctuations in population density were associated with plant growth stages and seasonal variation. The agroforestry environment of chili plants shaded by sugar palms supports a functionally diverse arthropod community that contributes to maintaining biodiversity and enhancing natural pest regulation. Arthropods in shaded cultivation also experience a more stable microhabitat than those in open fields, allowing for stronger interspecific interactions, including predator–prey dynamics that aid in natural pest suppression. Sustained diversity suggests that agroforestry systems reduce environmental stress on arthropod populations, helping communities function effectively. Therefore, the findings of this study provide an important scientific foundation for developing sustainable agroforestry management strategies that improve ecosystem services and support resilient agricultural production. Full txt pdf
Pengaruh Variabilitas Iklim Terhadap Kesesuaian Lahan Lada (Piper nigrum L.) Berbasis Analisis Spasial di Kepulauan Bangka Belitung Sari, Fatrina Aprilia; Khakim, Mokhamad Yusup Nur; Setiawan, Budhi; Simanjuntak, Presli Panusunan
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.148-155

Abstract

[SPATIAL ANALYSIS OF THE IMPACT OF CLIMATE VARIABILITY ON LAND SUITABILITY POTENTIAL FOR BLACK PEPPER (Piper nigrum L.) Cultivation In The Bangka Belitung Islands]. The Bangka Belitung Islands are a major center of pepper production in Indonesia; however, over the past decade, cultivated area and productivity have declined due to climate variability and limited land biophysical information. This study aims to analyze land suitability for pepper (Piper nigrum L.) cultivation based on climatic, topographic, and soil indicators, as well as to evaluate the effect of climate variability on changes in land potential across the island region. The data used include rainfall observations from 71 rain gauges during 2014–2023, ERA5 reanalysis data for surface temperature, humidity, and solar radiation, and maps of slope and soil types as physiographic parameters. All parameters were processed using a Geographic Information System with the Inverse Distance Weighting (IDW) interpolation method to generate the spatial distribution of climate variables, while a weighted overlay method was applied to determine land suitability classes. Validation was conducted by comparing ERA5 data with observational data to ensure the consistency of spatial climate patterns. The results indicate that climate variability contributes to a decline in land suitability in coastal areas with soil textures that are sensitive to environmental changes. Most of the area, covering 1,189.76 ha, is classified as Highly Suitable (S1) and is distributed in central Bangka Island and parts of Belitung Island. Meanwhile, 452.65 ha are classified as Moderately Suitable (S2) and are predominantly located in coastal areas with soil limitations and coastal environmental influences. These findings highlight the importance of climate adaptation strategies to support sustainable national pepper cultivation. Full txt pdf
POTENSI POTENSI GENOTIPE UNGGUL PADI GOGO (Oryza sativa L.) BERDASARKAN KARAKTER VEGETATIF UNTUK MENINGKATKAN KETAHANAN PANGAN Rahim, Syaifullah; Sadimantara, Gusti Ray; Muhidin, Muhidin; Ayuningtias, Nandini; Mbusango, Amin
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.156-163

Abstract

[EVALUATION OF SUPERIOR RICE GENOTYPES (Oryza sativa L.) BASED ON VEGETATIVE CHARACTERISTICS TO ENHANCE FOOD SECURITY]. This study aimed to identify superior genotypes of upland rice (Oryza sativa L.) adaptable to dryland conditions to support national food security. The experiment was conducted in Kambu Subdistrict, Southeast Sulawesi, using a Randomized Complete Block Design (RCBD) with four replications. Eight genotypes were evaluated for five vegetative parameters—plant height, number of leaves, number of tillers, leaf area, and days to flowering measured at 21-77 days after planting (DAP). Significant genetic variation was observed among genotypes. Genotypes GS11-2, GS44-1, and GS16-1 exhibited superior early growth,with plant heights of 58-60 cm at 35 DAP, significantly outperforming the local control (41.6 cm). Correlation analysis revealed a strong positive relationship between plant height and leaf area (r=0.94 at 49-77 DAP) and a significant negative correlation between plant height and number of tillers (r=-0.86). Coefficients of variation ranged from 8.5-19.5%, indicating reliable data, except for leaf area at 21 DAP (30.1%). These findings underscore the value of early selection based on vegetative traits, particularly plant height and leaf area, as reliable indicators of yield potential. Genotypes with rapid and stable vegetative growth hold promise for development as dryland-adapted varieties. This research provides a robust scientific foundation for upland rice breeding programs to address land conversion and climate change challenges, thereby enhancing national food resilience. Full txt pdf
PENGARUH PEMUPUKAN P DAN GREEN MANURE LEGUMINOSA BUNGA TELANG TERHADAP PERTUMBUHAN DAN HASIL JAGUNG PULUT ARUMBA (Zea mays Ceratina var. Arumba) Rofik, Galih Ainur; Pribadi, Didik Utomo; Dewanti, Felicitas Deru
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 27 No 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.27.2.77-86

Abstract

[EFFECT OF PHOSPHORUS FERTILIZATION AND Clitoria ternatea LEGUMINOUS GREEN MANURE ON THE GROWTH AND YIELD OF ARUMBA WAXY CORN (Zea mays Ceratina var. Arumba)] Food security and resilience can be achieved through diversifying local food products, for example waxy corn (Zea mays Ceratina). The potential yield of this commodity can be increased through fertilization, either chemically using phosphorus fertilizer or organically using Clitoria ternatea leguminous green manure. This study aimed to obtain the interaction between P fertilization and Clitoria ternatea leguminous green manure on the growth and yield of Arumba waxy corn. This study is a factorial experiment arranged based on a Randomized Block Design (RBD). The first factor is phosphorus fertilizing, consisting of 3 treatment levels; the second is Clitoria ternatea leguminous green manure fertilizing, consisting of 2 treatment levels. The results of the study showed that the combination of 50 kg/ha phosphorus fertilization and without Clitoria ternatea leguminous green manure gave the best results on plant length at 14, 21, and 28 DAP; stem diameter at 7 and 28 DAP, cob diameter with husk, cob weight with husk, cob weight without husk, and total fresh weight of Arumba waxy corn. The single treatment of P fertilization had a very significant effect on plant length at 35 DAP and stem diameter at 7 and 28 DAP, and had a significant impact on stem diameter at 35 DAP. Based on the results of the study, phosphorus fertilization at a rate of 50 kg/ha is recommended for the cultivation of Arumba waxy corn, as it resulted in the highest yield during the generative growth phase. Full text pdf

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