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INDONESIA
JURNAL GALUNG TROPIKA
ISSN : 23024178     EISSN : 24076279     DOI : -
Core Subject : Agriculture,
Jurnal Galung Tropika dengan nomor p-ISSN 2302-4178 (cetak) dan e-ISSN 2407-6279 (online) adalah jurnal ilmiah yang menerbitkan hasil penelitian di bidang Pertanian, Peternakan, Perikanan, dan Biologi Tanaman. Serta menyajikan informasi hasil penelitian dan artikel ilmiah untuk pembangunan pertanian berkelanjutan di Indonesia yang dipublikasikan secara elektronik dan cetak.
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Articles 467 Documents
Analisis Pertumbuhan Tanaman Tembakau (Nicotiana tabacum L.) pada Media Tanam yang Diperkaya Azotobacter dan Biohumic Sri Nur Qadri; Abd. Rahim; Nirmala
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1385

Abstract

The long-term dependence of tobacco farmers on synthetic chemical fertilizers may reduce soil quality and crop productivity. One of the main challenges in tobacco production is producing high-quality seedlings that can support optimal plant productivity. This study aimed to determine the best bioagent treatment to tobacco. The used a non-factorial randomized block design with four growing-media treatments: P0 (control), P1 (Azotobacter), P2 (Biohumic), and P3 (Azotobacter + Biohumic). Each treatment was replicated three times. The results showed that the combination of Azotobacter and Biohumic (P3) produced the highest mean values for all observed plant growth parameters. This response was presumably associated with the synergy between nitrogen fixation by Azotobacter and improved nutrient availability and root-zone conditions by Biohumic.
Pertambahan Bobot Badan Broiler yang diberi Bungkil Inti Sawit Hasil Fermentasi untuk Menggantikan Sebagian Ransum Komersil Thalia Marcelina; Mairizal; Yusrizal
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1399

Abstract

Palm kernel meal is a byproduct of the palm oil industry that possesses good nutritional potential but is limited by its high crude fiber content. Fermentation using the bacterium Bacillus cereus V9 can serve as a solution to reduce crude fiber and enhance the nutritional value of palm kernel meal, thereby potentially replacing a portion of commercial feed. This study aims to determine the optimal level of commercial feed replacement with fermented palm kernel meal (BISF) on broiler body weight gain. This study employed a completely randomized design (CRD) with 5 treatments and 4 replicates. The treatments tested were levels of commercial feed replacement with FPK, namely: P0 (100% Commercial Feed), P1 (95% Commercial Feed + 5% FPK), P2 (90% Commercial Feed + 10% BISF), P3 (85% Commercial Feed + 15% BISF), and P4 (80% Commercial Feed + 20% BISF). The parameters observed included feed intake, body weight gain, and feed conversion ratio. Data were analyzed using analysis of variance. The results showed that the use of BISF to partially replace commercial rations did not affect (P>0.05) feed consumption, body weight gain, and feed conversion in broilers. It was concluded that BISF administration up to 20% can partially replace commercial rations without affecting broiler body weight gain.
Pertumbuhan dan Hasil Ubi Jalar (Ipomoea Batatas L.) pada Perlakuan Jarak Tanam dan Frekuensi Pemberian Pupuk Hayati Hapsoh; Isna Rahma Dini; Alif Hadi Ariansyah
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1404

Abstract

Sweet potatoes (Ipomoea batatas L.) are an important source of carbohydrates in Indonesia’s food diversification program. Sweet potato production declined from 2020 to 2021, in line with a decrease in harvested area. One effort to increase the productivity of this crop is through optimal planting distance and the use of biofertilizers containing bacteria that play a role in decomposing organic matter and providing nutrients for the plants. This study aims to determine the effect of the combination of planting distance and biofertilizer application frequency on the growth and yield of sweet potato plants. The study was conducted experimentally using a Completely Randomized Design (CRD) with six treatment combinations of planting distances (75 x 20 cm, 25 cm, and 30 cm) and biofertilizer application frequencies (3 and 4 times), each at 10 ml, with three replications. Analysis results showed that a planting distance of 75 x 30 cm with 3 or 4 applications of biofertilizer optimally increased the number of branches, fresh canopy weight, number and diameter of tubers, and the sweet potato harvest index.
Analisis Neraca Air Lahan Sawah pada Daerah Irigasi Carawali di Kabupaten Sidenreng Rappang Nurul Anugrah AN; Reza Asra; Trisnawaty AR
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1409

Abstract

Water balance analysis is one approach in evaluating the balance between water avaibility and water need in rice fields in an irrigation area. This study aims to determine the avaibility of irrigation Area, carawali Village, Watang Pulu District, which is the area with the largest rice field are in the region, and took place from Febrary to June 2025. The method used is a quantitive mothed, with several analytical approaches, including analysis of the mainstay discharge with the Weibull approach, calculation of water needs using the Penman Modification FAO method, water balance analysis with a water balance approach, and evaluation of irrigation netwotk afficiency using Microsft Excel. The data used consist of irrigation discharge data, rainfall, climatology, cropping patterns, and irrigation network schemes for the period 2017-2024. The results of the study showed thet water surplus condition occurred in the November-Januari (II) and April-June (II) periods, while water deficits occurred in February-April (I) and July-October (II) which reflects the inability of water avaibility to meet needs due to low rainfall and irrigation discharage.
Pembentukan Populasi Awal Mutan M0 Gandum (Triticum Aestivum L.) Menggunakan Mutagen Kolkisin Mayasari Yamin; Indriati Husain; Silviana Arsyad; Hasna Dama; Taufiq Hidayat RS; Andini Citra Amalia; Soraya Wartabone
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1458

Abstract

Wheat imports are increasing due to the demand for wheat consumption, especially processed wheat, but not balanced by the production of wheat seed raw materials. To overcome this problem, it is necessary to assemble New Superior Varieties of wheat that are adaptive to Indonesian environmental conditions. This VUB assembly begins with the formation of an initial population conventionally, one of which can be through the use of chemical mutagens, namely colchicine. This study aims to obtain an effective colchicine concentration in increasing genetic variation, increasing genetic variation in the initial population of M0 wheat mutants, obtaining morphophysiological characters that have high coefficients of diversity, and obtaining M1 wheat seeds as candidates for the next generation. This research method begins with the selection stage of wheat parent seeds from several wheat varieties based on the physical aspects of the seeds and the characteristics of the yield components, soaking the sprouts using a colchicine mutagen solution, and planting the sprouts from the selected wheat parent seeds using a randomized block design consisting of five colchicine mutagen soaking treatments, namely without soaking; 400 ppm colchicine soaking; 600 ppm colchicine soaking; 800 ppm colchicine soaking; and 1000 ppm colchicine soaking. Each treatment was repeated three times. The results showed that 400 ppm of colchicine mutagen was an effective and dominant concentration for increasing genetic variation based on growth percentage, plant height, leaf number, and leaf length. The use of colchicine mutagens increased genetic variation due to its polyploidy properties, which are determined by the number of stomata formed.
Pertumbuhan Stek Batang Sirih Merah dalam Media Tanam dan dengan Fitohormon Alami Nila Alvionita M.; Syamsia; Hamzah
Jurnal Galung Tropika Vol 15 No 1 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i1.1484

Abstract

Red betel (Piper crocatum Ruiz & Pav.) can be propagated using stem cuttings, but cutting success is affected by planting media and phytohormone application. This study aimed to determine the effects of planting media composition and natural phytohormone type on the growth of red betel stem cuttings. The experiment was arranged in a randomized block design with two factors. The first factor was planting media composition, consisting of husk charcoal and sand at ratios of 1:1, 1:2, and 2:1. The second factor was phytohormone type, consisting of a control, shallot extract, aloe vera extract, and bean sprout extract. The observed variables were cutting success percentage, days to shoot emergence, plant length, shoot length, root length, and number of leaves. The results showed that the interaction between planting media composition and phytohormone type had no significant effect on all observed variables. However, the husk charcoal and sand medium at a ratio of 2:1 tended to produce better growth, with cutting success reaching 100% in several phytohormone treatments, root length reaching 7.00 cm, plant length reaching 18.53 cm, and shoot emergence occurring as early as 32 days after planting. Among the phytohormones, aloe vera extract tended to improve cutting success, shoot length, and number of leaves compared with the other treatments. These findings indicate that a planting medium with a higher proportion of husk charcoal, combined with natural phytohormones, particularly aloe vera extract, has potential to support the early growth of red betel stem cuttings.
Tingkat Kemampuan Peternak dalam Pemeliharaan Sapi Potong di Desa Timoreng Panua, Kabupaten Sidenreng Rappang Ashar; Angga Nugraha; Armayani M
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1297

Abstract

Farmers’ capability determines the effectiveness of resource management and the sustainability of smallholder beef cattle enterprises. This study aimed to assess farmers’ capability in managing beef cattle among livestock groups in Timoreng Panua Village, Panca Rijang District, Sidenreng Rappang Regency. A survey was conducted from July to August 2024 involving 17 farmers selected from 116 members of eight livestock groups. Primary data were collected through structured interviews using a questionnaire and field observations, while secondary data were obtained from village records and relevant agencies. Five aspects were assessed: farming experience, husbandry performance, farming success, capacity to cope with production constraints, and access to capital. Each aspect was measured on a five-point Likert scale and analyzed descriptively using frequencies, scores, and achievement indices. All aspects were classified as moderate. Farming experience obtained the highest score of 57, equivalent to 67.1% of the maximum score, followed by husbandry performance at 53 (62.4%), farming success and capacity to cope with constraints at 52 each (61.2%), and access to capital at 50 (58.8%). The overall capability index was 62.1%. These findings indicate that relatively long farming experience has not been fully accompanied by stronger capital access and business management. Capacity-building programs should prioritize financing access, farm record keeping, feed management, animal health, and continuous group-based extension.
Studi Evaluasi Ketahanan Beberapa Varietas dan Galur Tanaman Padi (Oryza sativa L.) terhadap Virus Tungro Mardia; Nining Triani Thamrin; Reza Asra
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1419

Abstract

Rice is a major food crop in Indonesia, but its productivity fluctuates partly due to pest and disease attacks. Tungro disease, transmitted by the green leafhopper (Nephotettix virescens), can significantly reduce rice yield. This study aimed to determine disease incidence, disease severity index, and plant height reduction caused by tungro disease in different rice varieties and lines. The study was conducted in the greenhouse of the BRMP Aneka Tanaman Umbi, Lanrang, Sidenreng Rappang Regency, using a Completely Randomized Design with five rice genotypes: Tukad Unda, TN1, Mekongga, Ciherang, and MR219. Each genotype had three replications, resulting in 30 test plants. The results showed that Ciherang and TN1 had the highest disease incidence, reaching 100%, and were classified as highly susceptible to tungro disease. Mekongga had an incidence of 83.33% and was classified as susceptible, while MR219 showed an incidence of 50% and was classified as moderately resistant. Tukad Unda showed no disease symptoms, with 0% incidence, and was classified as highly resistant. The highest disease severity index was recorded in Ciherang (9.00), followed by TN1 (7.00), Mekongga (6.33), MR219 (4.67), and Tukad Unda (1.00). The greatest plant height reduction occurred in Ciherang (16.00 cm) and TN1 (9.00 cm), while Mekongga, MR219, and Tukad Unda showed reductions of 2.33, 0.33, and 0 cm, respectively. Overall, Tukad Unda showed the highest resistance to tungro disease among the tested genotypes.
Tumbuhan Merambat (Liana) sebagai Obat Herbal Tradisional Jusmiati Jafar; Yuliarti Ramli; Edi Kurniawan; Fitrih Mustari
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1423

Abstract

Vines (lianas) are a type of biological resource used by communities as traditional herbal medicine. This study aimed to identify the types of vines used as herbal medicine by the people of Enrekang Regency, the parts of the plants used, the methods of processing, and the types of illnesses treated. The study employed a descriptive-exploratory method with a qualitative approach through field surveys, ethnobotanical interviews, participatory observation, and visual documentation. A total of six informants were selected using purposive sampling, consisting of sanro, community leaders, farmers, and residents with knowledge of medicinal plants. The results showed that 12 species of climbing plants are used as herbal medicines, namely Momordica charantia, Tinospora crispa, Cucumis sativus, Centella asiatica, Anredera cordifolia, Passiflora foetida, Piper nigrum, Piper ornatum, Abrus precatorius, Piper betle, Sechium edule, and Clitoria ternatea. The most commonly used plant parts are the leaves and fruits, while the predominant processing methods are boiling and direct use. Use Value (UV) analysis shows that Piper ornatum has the highest use value (UV=2.00), indicating the highest level of use by the community. Knowledge regarding the use of medicinal plants has been passed down from generation to generation and is still preserved as part of the community’s local wisdom.
Respon Pertumbuhan dan Hasil Bawang Merah Terhadap Aplikasi Pupuk Organik Cair Dan Benzyl Amino Purine (BAP) Silvana Apriliani; Indriati Husain; Rival Rahman
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1459

Abstract

Enhancing shallot productivity should focus on efficient, environmentally sustainable cultivation practices. Innovations in cultivation, such as the use of liquid organic fertilizers and plant growth regulators like Benzyl Amino Purine (BAP), represent a promising approach to sustainably improving yield. This study aimed to evaluate the effects of liquid organic fertilizer and BAP on the growth and yield of shallot plants, and to examine the interaction between different liquid organic fertilizer doses and BAP concentrations. The experiment was arranged using a Randomized Complete Block Design (RCBD) with two treatment factors. The first factor consisted of four levels of liquid organic fertilizer: 0 mL L?¹, 50 mL L?¹, 100 mL L?¹, and 150 mL L?¹, applied to the growing media. The second factor was BAP concentration, with three levels (0 ppm, 100 ppm, and 200 ppm), applied via foliar spraying. The combination of these factors resulted in 12 treatment combinations, each replicated three times, yielding a total of 36 experimental units. Each unit consisted of two plants, resulting in a total of 72 plants. The results indicated that the application of 500 mL L-1 liquid organic fertilizer combined with 200 ppm BAP significantly affected plant height at 5 weeks after planting (WAP) and had a significant single-factor effect on root number. A significant interaction effect was observed on plant height at 5 WAP. However, no significant effects were found on the number of tillers, stomatal number, stomatal density, bulb diameter, and overall shallot productivity.