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Kota mataram,
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INDONESIA
Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi Sains.
Arjuna Subject : -
Articles 2,520 Documents
 198   199   200   201   202 
Identification of Types of Pests and Diseases of Cauliflower Plants (Brassica oleracea var. botrytis L) in Gonaman Village, Koripan, Matesih District, Karanganyar Hanik, Nur Rokhimah; Armania, Vallery; Ardiansyah, Muhammad Ilham; Marta, Fadhilah; Hidayad, Muhammad Nur; Saputra, Dian Andhi; Mardyah, Muthia; Pangestu, Prestiani Yulia; Yoshia, Selumiel; Sarima, Sarima
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9221

Abstract

Cauliflower (Brassica oleracea var. botrytis L.) during its development period needs to be controlled by pests and diseases, because at that time the flowers or krobs come out and will determine the quality and quantity of its production. This research is conducted to characterize and differentiate various types of pests and diseases found in cauliflower plants in the gardens of Gonaman Village, Koripan, Matesih District, Karanganyar. This research employs a methodology based on descriptive qualitative analysis. The tools utilized in this study include a mobile phone, writing instruments, and observation sheets. The research subjects consist of various pests and diseases identified in the garden area. Data collection by observation of the garden and direct interviews with garden owners. For data analysis and validation, qualitative descriptive techniques are used with additional interview activities with cauliflower farmers and literature studies. Based on the results of the study, eight pests have been found, namely; Whitefly / Cabuk (Aphis brassicae), Thrips (Thrips tabasi), Whitefly (Aleyrodidae sp), Crop Caterpillar (Crocidolomia binotalis), Ladybug (Illeis galbula), Brown grasshopper (Valanga nigricornis), Leaf beetle (Aluacphora sp), Leaf caterpillar (Plutella xylostella). And four diseases were found; Alternaria brassicae fungus, bacterial rot by Pectobacterium carotovorum, Erwinnia carotovora bacteria, and Xanthomonas camprestis bacteria. The visible symptoms are damage to the leaves, yellow, brownish to blackish leaves, rotten and wilted flowers so that they can reduce the harvest. Pest and disease control can be done by spraying pesticides, fungicides once a week, maintaining land cleanliness, maintaining planting distance, selecting healthy seeds, and providing lime and boren. For further research, it should be done for several days, in the morning and evening when insects are active.
Distribution Catch Size and Condition Factor of Giant River Prawn (Macrobrachium rosenbergii) in the Kayu Arang River, West Bangka Regency, Bangka Belitung Islands Priyambada, Agung; Ferdiansyah, Ferdiansyah; Kelvin, Kelvin
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9293

Abstract

The Kayu Arang River represents a natural habitat with potential for the sustainable exploitation of the giant freshwater prawn (Macrobrachium rosenbergii). High consumer demand has led to increased harvesting pressure in the wild. The captured prawns exhibit a wide size range, from small to large individuals. Therefore, it is essential to consider size eligibility in harvesting to ensure long-term resource sustainability. This study aimed to analyze the size distribution, catch eligibility, length–weight relationship, and condition factor of M. rosenbergii in the Kayu Arang River. Field sampling was conducted in September 2023 using handline fishing gear at 20 designated stations. Results showed that male prawns ranged from 11.10 to 25.70 cm in total length, with dominant catch sizes between 13.90–15.70 cm and 15.80–17.60 cm. Female prawns ranged from 10.10 to 17.70 cm, with a dominant size class of 12.00–13.80 cm. Legally catchable males were found at stations 1, 2, 6, 9, 10, and 12; females at stations 7, 8, 9, and 12. The length–weight relationship for males followed the equation W = 0.0081L³.1682 (N = 100; R² = 0.9116), indicating positive allometric growth, while females followed W = 0.0142L².9401 (N = 110; R² = 0.6533), indicating negative allometric growth. The condition factor ranged from 0.59 to 1.75 for males (mean: 1.02) and 0.53 to 1.89 for females (mean: 1.04), suggesting that most individuals were in healthy condition.
Quantitative Analysis of Omega-3 Content in Fish Waste and Its Application as Aquafeed Kiki Haetami; Abun, Abun; Putri, Aorenza Delviana; Farsya Fadillah Willyanissa; Aldiansyah, Aldiansyah; Mario Kristianto Triputra Sihombing
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9301

Abstract

Indonesia has significant potential in fisheries waste production, yet its utilization remains suboptimal due to its low economic value. However, this waste contains essential nutrients such as protein, essential fats, minerals, and vitamins that are beneficial for shrimp growth and health. Meanwhile, the high cost of commercial shrimp feed has driven the demand for more affordable alternatives, one of which is the utilization of fish waste. This study aims to analyze the omega-3 content in fish waste and evaluate its potential as an alternative feed ingredient to enhance the economic value of fisheries waste while providing nutritious feed at a reduced cost. A descriptive qualitative approach was employed through a literature review, with data collected from theses, scientific articles, and relevant journals. Data analysis was systematically conducted using the Miles and Huberman model, encompassing data reduction, data display, and conclusion drawing. The results indicate that various fish waste components (bones, skin, fins, head, and scales) contain essential nutrients including protein (≥50%), fat (≥10%), and ash (≤5%), meeting feed ingredient standards. However, it is important to note that excessive levels of unsaturated fatty acids may compromise feed quality, necessitating proper management. In conclusion, this study highlights the significant potential of fish waste as an omega-3-rich alternative feed source that can increase the economic value of fisheries waste and reduce production costs, provided that nutrient composition is carefully regulated.
In Silico Evaluation of Typhonium flagelliforme Fatty Acids for Cdc25B Inhibition and Chemotherapy Synergistic Potential Lisnasari, Baiq Risky; Maulidya, Selvira Anandia Intan
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9319

Abstract

Typhonium flagelliforme exhibits cytotoxic activity against various cancer cell lines, including breast cancer. This study employed an in silico approach to evaluate the potential interaction or synergy between its fatty acid derivatives—2-octenoic acid and 2-hexenoic acid—and standard cytotoxic agents in breast cancer therapy. SwissTargetPrediction was used to identify the putative molecular targets of the compounds. Molecular docking was performed against phosphatase Cdc25B (PDB ID: 1CWR) using CB-Dock2, and pharmacokinetic properties were evaluated using SwissADME. Both 2-octenoic acid and 2-hexenoic acid were predicted to target Cdc25A and Cdc25B, which are key regulators of cell cycle progression. Molecular docking revealed binding affinities of −4.42 and −4.60 kcal/mol, respectively, compared to −5.97 kcal/mol for the native inhibitor NSC 663284. These compounds shared multiple key residues in the binding pocket, although they formed fewer hydrogen bonds. Pharmacokinetic predictions showed high gastrointestinal absorption, blood–brain barrier permeability, and no inhibition of major cytochrome P450 enzymes, suggesting minimal interaction with the metabolic pathways of standard chemotherapeutics. The results suggest that T. flagelliforme metabolites may not interfere with cytotoxic drug metabolism but could provide a synergistic effect by targeting cell cycle regulators.
The Relatioship Between Medication Adherence of Stroke Patients and Recurrent Stroke Incidance At Siti Hajar Islamic Hospitas Mataram Rahma, Baiq Suyatmin; Nurhidayati, Nurhidayati; Mahacita Andanalusia
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9357

Abstract

Stroke was the second leading cause of death and a major cause of disability worldwide. One of primary challenges in stroke management was patient adherence to treatment, which significantly influences risk of recurrent stroke. This study aimed to analyze relationship between medication adherence among stroke subjects, were stroke patients at Siti Hajar Islamic Hospital, Mataram. This research employed an analytical observational study with a cross-sectional approach. Data were collected through interviews, a medication adherence questionnaire, and medical records. The Spearman test was used to analyze the relationship between medication adherence and the occurrence of recurrent stroke. The study showed that patient levels of adherence to stroke medication varied, with a portion exhibiting low to moderate adherence. Spearman correlation analysis indicated no significant relationship between medication adherence and recurrent stroke events (p value= 0.359; r= 0.111). The p-value greater than 0.05 suggested that the relationship between the two variables was not statistically significant, although a weak positive correlation was observed. In conclusion, there was no statistically significant association between medication adherence and recurrent stroke in patients at Siti Hajar Islamic Hospital Matarm. These findings suggested that medication adherence might not be only factor influencing stroke recurrence, and further evaluation of other contributing factors is necessary.
Utilization of Turmeric and Tamarind as Herbal Medicine Turmeric Tamarind in Sentul Village, Serang Regency Afiah, Siti; Dzulfiani, Nayla Alifah; Maryati, Dea; Salsabilah, Risa; Komalasari, Nivia Ayu; Fitriana, Desi Eka Nur
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9459

Abstract

Turmeric tamarind herbal drink, traditionally known as jamu kunyit asam, remains widely consumed in Indonesia for its health benefits, including reducing menstrual pain, relieving inflammation, and refreshing the body. This study aimed to explore the utilization of turmeric (Curcuma longa) and tamarind (Tamarindus indica) as traditional herbal medicine in Sentul Village, Serang Regency. Using a qualitative descriptive approach, data were collected through interviews, observations, and documentation with local jamu producers. The findings revealed that the preparation of jamu kunyit asam is carried out using simple methods and natural ingredients without chemical additives. The main ingredients used are turmeric rhizome and tamarind pulp, which are known to contain curcumin, essential oils, flavonoids, and antioxidants with pharmacological properties. The herbal drink is primarily consumed by women for health maintenance and is stored in refrigerators to maintain its freshness for 2–3 days. Additionally, this traditional practice supports local livelihoods and preserves cultural heritage. However, consumption is not recommended for individuals with gastric ulcers due to the acidic nature of tamarind. This study highlights the potential of jamu kunyit asam as a culturally rooted and sustainable herbal remedy that can be further developed into a community-based local health product.
Characteristics of the Antagonistic Fungus Nigrospora Oryzae Against the Fungus Fusarium as a Source of Biological Learning in Chili Plants Yusuf, Moh. Ilham; Murtini, Iin
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9463

Abstract

One of the primary diseases that attack chilli plants (Capsicum annum) is Fusarium wilt, which is caused by the pathogenic fungi F. oxysporum and F. solani. This study aims to analyze the parasitism mechanism of the antagonistic fungus N. oryzae against the pathogen that causes Fusarium wilt in chilli. The method used was a dual culture technique antagonism power test with observations carried out every day from day 0 to day 5. The results of the study showed that the inhibition rate achieved was 33.3% against F. oxysporum and 18.18% against F. solani with the antagonism mechanism of N.oryzae, including 1) Mycoparasitism; 2) Degradation of pathogen cell wall;  3) competition for nutrients and space. The results showed that N. oryzae could inhibit the growth of F. solani and F. oxysporum. This proves that N. oryzae has the potential to be an effective antagonistic fungus in controlling both pathogens. The contribution of the results of the introduction of fungal antagonism is used as a learning resource to understand the concept of learning fungi through direct practical activities in the Laboratory.
Mercury Analysis in Blood Clams (Anadara granosa) in EEA of The Bagek Kembar, West Lombok Sania, Neza Okta; Sedijani, Prapti; Suyantri, Eni
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9488

Abstract

Gold mining activities can cause environmental degradation and have negative impacts on human health. This study aimed to analyze mercury concentrations in blood cockles (Anadara granosa) in the Essential Ecosystem Area (EEA) of the Bagek Kembar Mangrove, Sekotong, West Lombok. Sampling was conducted using 10 x 10 meter quadrants, and the data were analyzed using a Cold Atomic Absorption Analyzer of Mercury (CAAAM). Based on the analysis results, mercury concentrations in the flesh of Anadara granosa were in the range of 0.0057 to 0.0394 mg/kg, with the highest average concentration recorded at the station closest to the tourist area (0.0357 mg/kg). Despite this, the mercury levels remain below the safety threshold established by National Agency of Drug and Food Control (BPOM) Regulation No. 9 of 2022, which is 1.0 mg/kg. Therefore, regular environmental monitoring and increased public awareness about the dangers of mercury use are strongly recommended tu support the long-term preservation of marine ecological system and safeguard the safety of seafood consumption. Future research is suggested to assess the safe daily intake limit of Anadara granosa for local communities based on the detected mercury levels, in order to evaluate potential health risks to consumers.
Literature Review: The Effect of Preparation Methods on the Entrapment Efficiency of Herbal Extract Phytosomes Ramadhani, Aliza Salsabila; Subaidah, Windah Anugrah
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9495

Abstract

Improving the bioavailability of hydrophilic bioactive compounds in herbal medicines has become a key focus in pharmaceutical research, prompting interest in phytosome formulation strategies. This literature review examines how phytosome preparation methods influence entrapment efficiency (EE) to overcome this limitation. The study employed a literature review methodology, sourcing 13 peer-reviewed articles sourcing (2015–2025) from Google Scholar, PubMed, and Science Direct using keywords: phytosome, entrapment efficiency, herbal extract, thin-layer hydration, and antisolvent precipitation. Articles were selected based on inclusion criteria, namely studies discussing phytosome preparation methods, providing entrapment efficiency (EE) data, available in full-text format, published within the last 10 years, and written in either English or Indonesian. Analysis revealed that antisolvent precipitation consistently achieved high EE (>85%), while thin-layer hydration showed variable outcomes (14–99%) dependent on parameter optimization. Critical success factors included extract-phospholipid ratios (1:1–1:5), chemical interactions (hydrogen bonding), and temperature control (<60°C). This study concludes that optimized preparation methods significantly enhance phytosomal EE, recommending strict standardization of process parameters to advance herbal pharmaceutical development.
Antibacterial Activity of Methanol Extract from Gelam (Melaleuca leucadendra) Leaves Against Pathogenic Bacteria Mariani, Yeni; Yusro, Fathul
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9508

Abstract

Escherichia coli and Staphylococcus aureus are bacteria causing contagious diseases. Both bacteria have shown high levels of antibiotic resistance, making them essential targets in searching for new antibacterial agents from natural sources such as medicinal plants. Gelam (Melaleuca leucadendra) is a promising medicinal plant to be a new antibacterial agent. This research aims to analyze the biological activity of the methanol extract of Gelam leaves (M. leucadendra) in inhibiting the growth of E. coli and S. aureus bacteria. The Gelam leaf extract was prepared by maceration process in 96% methanol solution (1:7 ratio). The antibacterial assay was conducted using the disc diffusion method on MHA (Muller-Hinton Agar) media. Four levels of methanol leaf extract concentration were used: 50, 100, 150, and 200 mg/ml. Methanol 96% was used as negative control and amoxicillin as positive control. The highest inhibition in both bacteria tested, 1.67 mm on E. coli bacteria and 6.26 mm on S. aureus bacteria.

Page 200 of 252 | Total Record : 2520

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