cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota mataram,
Nusa tenggara barat
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
 165   166   167   168   169 
The Impact of Calcium Supplementation on Physiological Activity and Cherelle Wilt Reduction in Cocoa (Theobroma cacao L.) Avianto, Yovi
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8292

Abstract

Cocoa production in Indonesia has been challenged by declining productivity due to various factors, including cherelle wilt. Cherelle wilt, a condition characterized by the premature dropping of cocoa cherelle, is attributed to hormonal imbalances, nutrient deficiencies, and abiotic stresses. Calcium, as an essential nutrient, plays a crucial role in plant growth and can help mitigate the incidence of cherelle wilt. This study aimed to investigate the efficacy of calcium application in enhancing fruit set and reducing cherelle wilt in cocoa trees. The research was conducted from August 2020 to September 2022 at PT Pagilaran's Segayung Utara cocoa plantation, utilizing the RCC70 clone. Calcium chloride (CaCl2) was applied at rates of 0, 100, 200, 300, and 400 grams per tree per year. Results indicated that calcium fertilization improved the physiological performance of cocoa trees, as evidenced by enhanced chlorophyll fluorescence (Fv/Fm) and photosynthetic rate. These physiological improvements led to increased flower and fruit production, as well as a reduction in the incidence of cherelle wilt, particularly at application rates of 200-400 grams per tree per year. Consequently, overall yield and productivity were significantly increased at these rates.
Performance of Multipurpose Plants as Plant Enrichment in Community Managed Forest in Karang Sidemen Village, Central Lombok Idris, Muhamad Husni; Setiawan, Budhy; Aji, Irwan Mahakam Lesmono Aji; Chaerani, Nurul
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8326

Abstract

Forest areas enrichment with multipurpose plants could increase the success of forest area management by the community. This study describes the performance of multipurpose trees as plant enrichment in community managed forest in Karang Sidemen Village, Central Lombok, and to analyze the factors that influence it. Data were collected in August 2023. Respondents were farmers who received plant enrichment assistance in 2017 sponsored by the Millennium Challenge Account Indonesia (MCAI). Vegetation data were collected from 36 sample plots of 20x20m with subplots of 10x10m and 5x5m. The results showed that the enrichment plants found were avocado, durian, mangosteen and langsat, with the population of 157 individuals/ha (5% of stem diameters (f) 10-<20cm and 96% of f 2-<10cm), which was less than that of banana population of 466 individuals/ha. The population without banana was 1383 individuals/ha with 5.93%, 45.86% and 89.66% belong to f >=20cm, 10-<20cm and 2-<10cm, respectively. The average f at 120cm height for enrichment plants of avocado, durian, mangosteen and langsat were 6.16cm, 5.48cm, 4.26cm and 3.77cm respectively, while the average plant height was 5.26m, 4.07m, 2.39m and 4.86 m respectively. Low soil organic content and dense plant populations tend to result in smaller diameters of multipurpose plants.
The Relationship Between Nutritional Status, Maternal Knowledge, and Family Socio-Economic Status with The Development of Children Aged 3-5 Years at UPTD Puskesmas Brang Rea Pebrian, Legi Silsa; Surasmaji, Lalu Irawan; Nirmala, Suci; Hidayati, Sulatun
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8331

Abstract

Early childhood development, particularly in the age range of 3-5 years, is a critical period marked by rapid physical growth and psychosocial development. Various factors can influence a child’s development, including nutritional status, maternal knowledge, and family socio-economic conditions. To determine the relationship between nutritional status, maternal knowledge, and family socio-economic status with the development of children aged 3-5 years at UPTD Puskesmas Brang Rea. This research employed a quantitative, observational analytic approach with a cross-sectional design. A purposive sampling technique was used. The study was conducted at UPTD Puskesmas Brang Rea in September 2024, involving 100 respondents. Data were analyzed using the Chi-square test with a significance level of p < 0.05. From a total of 100 respondents, the univariate analysis revealed that 38% of children had good nutritional status, 58% of mothers had high knowledge levels, 53% of children belonged to low socio-economic families, and a majority of children (36%) showed questionable developmental progress. Bivariate analysis indicated a significant relationship between nutritional status and child development (p-value 0.002), maternal knowledge and child development (p-value 0.047), and family socio-economic status and child development (p-value 0.020). There is a significant relationship between nutritional status, maternal knowledge, and family socio-economic status with the development of children aged 3-5 years at UPTD Puskesmas Brang Rea.
Relationship Between LBW and Stunting Incidence in Toddler on Terong Tawah Village, West Lombok Diarna, Ni Putu Della; Jihad, Jihad; Efiantari, Lina; Wijaya, Devina Adelina; Budiyasa, I Komang Sutrisna
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8348

Abstract

Prevalence of stunting in West Nusa Tenggara (NTB) exceeded the Indonesian average in 2019 with the second highest cases found in West Lombok Regency. Stunting is caused by many factors, either history of Low Birth Weight (LBW). Research shows that babies with LBW have slower growth and development. This study aims to analyze the relationship between LBW and stunting incidence in children aged 0-60 months in Terong Tawah Village, Labuapi District, West Lombok Regency. The study used an observational analytical method with a retrospective case-control approach. Data analyzed with SPSS software, The results of the study showed a significant relationship between LBW and stunting incidence (p 0.043; OR = 4.750).
Diversity of Nymphalidae in Kedung Banteng Village, Sleman, Yogyakarta Meylinda, Rachma; Kurniawan, Ardyan Pramudya
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8357

Abstract

The butterfly family Nymphalidae is a biological treasure with significant environmental value. Butterfly diversity may be seen in places like Kedung Banteng Village in Sleman, Yogyakarta. This study aims to abundance and diversity of Nymphalidae species, as well as environmental parameters in Kedung Banteng Village. Data retrieval using visual encounter survey and exploration. The results of the study found 29 species of Nymphalidae. The most common spesies is Elymnias hipermnestra and Junonia atlites. Diversity index of Nymphalidae in all season were classified as medium category (dry season: 2,42; rainy season: 2,62). Nymphalidae mostly found in air humidity in the dry season is 42.2% ± 3.1%, while in the rainy season is 41.5% ± 3.6%. Light intensity in the dry season is 37,484 lux ± 44,423 lux, while in the rainy season it is 26,517 lux ± 19,310 lux. The dry season wind speed is 0.9 m/s ± 0.7 m/s, while in the rainy season it is 0.5 m/s ± 0.5 m/s and the air temperature is 31.1°C ± 2.3°C in the dry season and 31.5°C ± 1.8°C in the rainy season.
Inventory of Medicinal Plants at the Toraut location Bogani Nani Wartabone National ParkArea Poneke, Wildy Vandy; Rahmanita, Dini; Pobela, Elva; Rempas, Robby; Kolondam, Liza
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8369

Abstract

Bogani Nani Wartabone National Park (BNWNP) is the largest land national park area in Sulawesi. There are so many potential medicinal plants found in this area, but data regarding medicinal plants is still very minimal. Therefore, it is very necessary to carry out identification activities related to medicinal plants in the BNWNP area. This research aims to find out what types of medicinal plants exist, how they are known and used by the community, and how medicinal plants are distributed in the research location. This research was carried out at the Toraut location in the BNWNP area. This research is exploratory research where primary data was taken by direct survey and secondary data was obtained through interviews and literature study. The research results showed that there were 13 types of plants from 11 families. The parts of plants that have medicinal properties that have been used by local communities in the toraut location for generations include bark, stems, leaves, flowers, fruit, roots and sap. The most used part is the bark. Medicinal plants scattered in the Toraut BNWNP location are then clustered into 4 quadrants with the largest/dominant distribution in quadrants 2 and 3, namely in the north and east.
Influence of Sargassum POC and Nano Bubble Technology on Hydroponic Pakcoy (Brassica rapa L.) Quality Afrilisia, Lora; Fevria, Resti; Vauzia, Vauzia; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8374

Abstract

The decline in vegetable production is caused by the conversion of agricultural land into residential areas which results in a reduction in agricultural land area. To overcome this problem, the hydroponic system is one of the alternative solutions used to replace lost agricultural land. The purpose of the study was to determine the effect of providing liquid organic fertilizer (POC) derived from (Sargassum sp.) with nano bubble technology on the quality of pakchoy (Brassica rapa L.) plants in hydroponic cultivation. The research method used a Completely Randomized Design (CRD) with five treatments. Data were analyzed using the ANOVA test and Duncan's test. The results showed that the P2 and P3 treatments were significantly different in increasing plant height with the highest average of 23.4 cm and the lowest P5 of 13.56 cm. Likewise, P3 produces the most optimal average number of leaves and overall plant quality, the cause is the availability of balanced nutrients. Nano bubble technology increases the efficiency of nutrient absorption and reduces sedimentation in the wick hydroponic system. The conclusion is that the combination of AB Mix and POC Nano is able to optimize the growth and quality of pakchoy plants in the hydroponic system, showing the potential for sustainable agriculture using innovative fertilizer technology.
Organoleptic Test of Herbal Tea Made with Corn Silk (Zea Mays L.), Papaya Seeds (Carica papaya L.) and Dragon Fruit Peels (Hylocereus polyrhizus L.) Ludfi, Atha Adiwidya; Putri, Frichelle Amelia; Ferris, Keyla Permata; Hartoyo, Azizah Risqi Putri; Ardiansyah, Farel; Bahira, Aliya
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8379

Abstract

Tea (Camellia sinensis) is one of the most widely consumed beverages globally, valued for its economic, health, and cultural benefits. In Indonesia, abundant natural materials with antioxidant properties, such as dragon fruit peels, corn silk, and papaya seeds, are often discarded as waste. This study aimed to utilize these materials to create teatrasi herbal tea and evaluate its antioxidant and flavonoid content, sensory attributes, and overall acceptability. method and analysis the process involved material preparation, thorough washing, drying at specific temperatures and times, grinding, and packaging. Three formulations were tested, with Formula 3 (40% corn silk, 20% papaya seeds, and 40% dragon fruit peels) being the most favored based on hedonic tests. Antioxidant and flavonoid analyses confirmed strong antioxidant activity (IC50: 89.27 ppm) and high flavonoid content (884.64 mg/L QE) in Formula 3. Results organoleptic tests highlighted its distinctive corn silk aroma, reddish-brown color, and mild flavor. Respondents rated its aroma, color, and taste with favorability levels of 93.75%, 90.62%, and 92.70%, respectively, achieving an overall acceptance rate of 92.29%. Conclusion, this research demonstrates the potential of converting underutilized natural resources into sustainable, health-enhancing beverages.
Productivity and Quality Eggs of Hans Given Various Kinds of Commercial Concentrates Shultoni, Habib; Indarsih, Budi; Asnawi, Asnawi
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8385

Abstract

The productivity of laying hens in NTB is still very low, especially on the island of Lombok. The low egg production in Lombok is caused by farmers in Lombok generally raising laying hens not following the standards recommended by feed and seed producers. Each feed producer sells its products at varying prices to attract farmers. The varying prices are determined by the formulation of each feed, Laying hens are very sensitive to changes in feed quality, The type of laying hen feed affects the quality, quantity and productivity of eggs. This study aims to obtain information on the level of productivity and quality of eggs from the use of each commercial concentrate circulating in the Lombok market. This study used a Completely Randomized Design with three treatments, namely: First treatment: Mixture of concentrate pattern with code C Second treatment: Mixture of concentrate pattern with code K Third treatment: Mixture of concentrate pattern with code S. The total number of chickens used in this study was 360 chickens that were 19 weeks old with an average body weight of 1,700 grams consisting of 3 treatments and 4 replications. Each treatment consisted of 120 chickens and each replication consisted of 30 chickens. The data obtained were analyzed by Analysis of Variance using Microsoft Excel software and then processed again with the Duncan's test. Feed productivity with code C: 82.75 ± 1.31. k: 88.33 ± 3.73. S: 83.13 ± 0.91. The internal and external quality of the three treatments did not produce significantly different results. The use of concentrate with code K provided the highest productivity, resulting in greater Income Over Feed Cost (IOFC). While the external and internal quality of eggs obtained in this study obtained results that were not significantly different.
The Effect of Liquid Organic Fertilizer (LOF) Banana on The Growth and Yield of Purple String Bean (Vigna Unguiculata. L.) Duta, Orion Jaga; Aisyah; Inti Mulyo Arti
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8395

Abstract

The utilization of organic waste as a base material for liquid fertilizer production is gaining popularity due to its environmental friendliness and potential to enhance crop productivity. Banana waste is one type of organic material that can be processed into liquid fertilizer containing nutrients beneficial for plant growth. This study aimed to evaluate the effect of applying liquid organic fertilizer (LOF) derived from banana waste on the growth and yield of long bean (Vigna unguiculata). The experiment was conducted at UG Technopark, Jamali Village, Cianjur, West Java, from March to June 2024, using a Completely Randomized Block Design (RCBD) with a single factor, namely the concentration of banana POC, consisting of four levels: 0 ml/L (P0), 10 ml/L (P1), 20 ml/L (P2), and 30 ml/L (P3). The observed parameters included the number of leaves, stem diameter, plant height, pod fresh weight, pod length, number of pods, and flowering age. The results showed that the application of banana LOF significantly affected the growth and yield of long beans, particularly the number of leaves, stem diameter, plant height, and number of pods. Increasing the concentration of banana LOF positively impacted the observed growth and yield parameters.

Page 167 of 252 | Total Record : 2520

 165   166   167   168   169 

Filter by Year

2013 2026


Reset
Filter By Issues
All Issue Vol. 26 No. 1 (2026): Januari-Maret Vol. 25 No. 4a (2025): Special Issue Vol. 25 No. 4 (2025): Oktober-Desember Vol. 25 No. 4b (2025): Special Issue Vol. 25 No. 3 (2025): Juli-September Vol. 25 No. 2 (2025): April-Juni Vol. 25 No. 1 (2025): Januari - Maret Vol. 24 No. 4 (2024): Oktober - Desember Vol. 24 No. 3 (2024): July - September Vol. 24 No. 2b (2024): Special Issue Vol. 24 No. 2 (2024): April - Juni Vol. 24 No. 1 (2024): Januari - Maret Vol. 24 No. 1b (2024): Special Issue Vol. 23 No. 4 (2023): October - December Vol. 23 No. 3 (2023): July - September Vol. 23 No. 2 (2023): Special Issue Vol. 23 No. 2 (2023): April-June Vol. 23 No. 1 (2023): Special Issue Vol. 23 No. 1 (2023): January - March Vol. 22 No. 4 (2022): October - December Vol. 22 No. 3 (2022): July - September Vol. 22 No. 2 (2022): April - June Vol. 22 No. 1 (2022): January - March Vol. 21 No. 3 (2021): September - Desember Vol. 21 No. 2 (2021): Mei - Agustus Vol. 21 No. 1 (2021): Januari - April Vol. 20 No. 3 (2020): September - Desember Vol. 20 No. 2 (2020): Mei - Agustus Vol. 20 No. 1 (2020): Januari - April Vol. 19 No. 2 (2019): Juli - Desember Vol. 19 No. 1 (2019): Januari - Juni Vol. 18 No. 2 (2018): Juli - Desember Vol. 18 No. 1 (2018): Januari - Juni Jurnal Biologi Tropis vol.17 No.2 Desember 2017 Jurnal Biologi Tropis vol.17 No.1 Juni 2017 Jurnal Biologi Tropis. Vol.16 No.2 Desember 2016 Jurnal Biologi Tropis. Vol.16 No. 1 Juni 2016 Jurnal Biologi Tropis. Vol.15 no.2 Desember 2015 Jurnal Biologi Tropis. Vol.15 No. 1 Juni 2015 Jurnal Biologi Tropis. Vol.14 No. 2 Desember 2014 Jurnal Biologi Tropis. Vol.14 No. 1 Juni 2014 Jurnal Biologi Tropis. Vol.13 No. 2 Desember 2013 Jurnal Biologi Tropis. Vol.13 No.1 Juni 2013 More Issue