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Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
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 2,562 Documents
Ethnobotanical Study of Medicinal Plants Used to Treat Degenerative Disease in East Lombok Dyke Gita Wirasisya; Nisa Isneni Hanifa; Wahida Hajrin
Jurnal Biologi Tropis Vol. 20 No. 3 (2020): September - Desember
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.v20i3.2119

Abstract

Degenerative diseases have become a complex problem around the world. Until now, degenerative diseases have become the biggest cause of death in the world. Approximately, 17 million people die early each year due to the global epidemic of degenerative diseases. Peoples in developing countries still rely on medicinal plants for primary health care. The knowledge for medicinal plant were passed down through generation with little written documentation. This study aimed to document the indigenous medicinal plants used for the treatment for degenerative diseases in East Lombok, Indonesia and to find leads on prospective plants for further ethnopharmacology research based on quantitative ethnobotany index. The ethnomedicinal data were collected through interview and discussion among local healers and plant collected with the help of local guide also herbarium was made to aid specimen confirmation. Ethnomedicinal data was analyzed using use value (UV) along with fidelity level (FL). A total of 20 informants (traditional healers) were interviewed and from the study we can documented the use of 63 plants for the treatment of degenerative diseases. The UV ranged from 0,05 (Sesbania grandiflora) to 0,35 (Carica papaya), while the highest FL (100%) was found for 29 species. Based on the ethnobotanical index (UV and FL) from each plant we can recommend 15 species for further ethnopharmacological study to determine their therapeutic effects and mechanism of action. This study revealed rich ethnomedicinal knowledge from the community in East Lombok for the treatment of degenerative disease. 
Effect of Gadung Tuber Extract (Dioscorea hispida) on Mortality of Caterpillars (Spodoptera exigua) in Shallots (Allium cepa) in East Lombok Muhammad Mustarsidin; Syachruddin AR; Ahmad Raksun
Jurnal Biologi Tropis Vol. 20 No. 3 (2020): September - Desember
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.v20i3.2356

Abstract

Plants that can be used as pesticides are Gadung tubers. Gadung tubers contain cyanide acid to kill armyworm pests because they contain dioscorin toxins which can cause nervous disorders. The purpose of this study was to determine the effect of Gadung tuber extract (Dioscorea hispida) on Caterpillar mortality (Spodoptera exigua) in Shallot plants. This type of research is experimental research. This study used a completely randomized design (CRD). The sample used was 5 caterpillars (Spodoptera exigua) in each polybag with 5 repetitions for each concentration of Gadung tuber extract, namely 0%, 0.5%, 1.0%, 1.5%, 2.0% and 2.5%, so the total Caterpillar used was 150 Caterpillars. Gadung tuber extraction was carried out by maceration method with methanol solvent. Data were analyzed using a one-way analysis of variance at the 95% significance level, followed by DMRT (Duncans Multiple Range Test). The results showed that the Gadung tuber extract had a significant effect on the mortality of caterpillars (Spodoptera exigua) because the F count was greater than the F table (45.40>2.62), and the DMRT test results showed that the optimal concentration of Gadung tuber extract was 2.5%. Therefore, it can be concluded that the extract of Gadung tuber (Dioscorea hispida) affects the mortality of Caterpillars (Spodoptera exigua) in Shallots (Allium cepa).
Medicinal Plants Used by Dayak Kanayatn Traditional Healers in Tonang Village Sengah Temila District Landak Regency Rika Purnama Sari; Fathul Yusro; Yeni Mariani
Jurnal Biologi Tropis Vol. 21 No. 2 (2021): Mei - Agustus
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.v21i2.2557

Abstract

Plants have an essential role in people's lives because of their benefits and properties, such as for medicinal properties. In Landak District, only limited studies on medicinal plant had been carried out. This study analyzes the species of medicinal plants used by the Dayak Kanayatn tribal traditional healers in Tonang Village, Sengah Temila District, Landak Regency. The sampling used the snowball sampling technique. The results found that traditional healers of Dayak Kanayatn in Tonang Village used a total of 60 species belong to 36 families. The most utilized families (8.47%) are Zingiberaceae and Asteraceae. The extensive use of plant habitus is herbs (41,67%). Leaves are the most dominant plant part used (44.78%), while the highest processing method was boiled (39.74%). The highest form of use was drinking (38.67%), the most common location of plants was in the yard (67.74%), the highest plant status is cultivated (52%), and the highest form of the potion is in the form of a mixture (72%). The result shows that the traditional healers in the Dayak Kanayatn community in Tonang Village, Sengah Temila District, Landak Regency, still use medicinal plants to overcome health problems and treat disease.
Utilization of Forest Plants as Local Food Sources for the Oben Village Community, Nekamese District, Kupang Regency Nur Aini Bunyani; Maya Roman; Jorita Naisanu
Jurnal Biologi Tropis Vol. 20 No. 3 (2020): September - Desember
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.v20i3.2001

Abstract

Forest plants as a source of food as a substitute for carbohydrates have long been used by the village community. Forest plants directly address the food insecurity experienced by villagers. This research was conducted in Oben Village, Nekamese District, Kupang Regency on April 24 to July 22, 2018. The aim of this study was to describe the use of forest plant species as a local food source and their traditional processing by the Oben Village Community, Nekam District, Kupang Regency. These are the exploration, exploration and interview methods. The data obtained were analyzed descriptively. The results of this study were: Found 5 types of forest tubers that are commonly used by the people of Oben Village as a food source, namely Dioscorea alata L; Dioscorea esculenta L; Dioscorea hispida D; Dioscorea pentaphylla and Amorphophallus compulatus, The traditional way of processing forest tubers is that they can be washed immediately, then roasted, boiled or steamed, processed into local chips, compote and flour as cake ingredients.
Traffict Density Affects Stomatal Character of Tanjung Plant (Mimusops elengi, L.) in Mataram City Baiq Wiwik Purnama Sari; Prapti Sedijani; I Gde Mertha
Jurnal Biologi Tropis Vol. 21 No. 1 (2021): Januari - April
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.v21i1.2109

Abstract

Increase in traffic density increases air pollution. Air pollution affects plant life physiologically, for the long run it could be morfologically, one of whichs is the stomatal characters. This research aimed to determine the influence of traffic density difference to the stomatal characteristic of Tanjung leaves (Mimusops elengi L.) in Mataram City. Sampling was carried out on 4 designated locations including the Unram Library (control) that has no traffic density, Jl. Dr. Sudjono (Low traffic), Jl. Ahmad Yani and Jl. Majapahit (high traffic). The method used was Post ex Facto, Purposive sampling. The measured parameters included the number of stomata, the number of open and closed stomata, the stomatal index, the stomatal size and the aperture size of the stomata. The research data was analyzed in a qualitative description and in a quantitative description using analysis of Varian (ANOVA). The results showed that the traffic density reduces the number of stamata as well as their size, the number of opended and increased the number of closed stomata, increases stomatal index due to stomatal damage and reduces stomatal aperture in Mataram city. It is concluded that traffic density affects stomatal haracter tanjung plant. Thrence, this finding reveals that stomatal character of tnajnjung plant can be used as air pollution bioindicator.
The Effect of Peanut Skin Compost Mix Variaries on Planting Media on the Growth of Dendrobium Sp Nur Rokhimah Hanik; Sri Harsono; Ratna Dewi Eskundari
Jurnal Biologi Tropis Vol. 21 No. 1 (2021): Januari - April
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.v21i1.2465

Abstract

Ferns are a growing medium for orchids that are starting to be protected so that their availability is very limited and quite expensive, therefore a solution is needed to reduce maintenance costs by utilizing peanut shell compost as a mixture of media. Peanut shell compost can act as a medium and fertilizer. The purpose of this study is: 1. To determine the effect of various peanut shell compost mixtures in growing media on Dendrobium orchid growth. 2. To determine the best composition of peanut shell compost mixture for Dendrobium orchid growth. The results of this study serve as information material for Dendrobium orchid collectors and entrepreneurs about the effect of various peanut shell compost mixtures in growing media on the growth of Dendrobium orchids, as well as a reference material for further research related to efforts to improve Dendrobium orchid cultivation, especially the use of peanut shells as a medium. Grow as well as compost to increase the growth of Dendrobium orchids. The research period was started from July 2020 to December 2020. The research object was a 12 month old Dendrobium orchid, the research location was in Gabahan RT 05 RW 12 Jombor Bendosari Sukoharjo. Simple randomized research design with four treatments. Treatment A / K.0 of fern growing media without peanut shell compost, treatment B / K.1 / 2 of fern media mixed with compost with a ratio of 1: 1, treatment C / K.1 / 3 media fern mixed with peanut shell compost with a ratio 2/3: 1/3, and treatment C / K.1 / 4 media of fern mixed with peanut shell compost in the ratio 3/4: 1/4. Data were measured after 12 weeks from planting. Data analysis with Variance Test (Anava test) and advanced Duncan Multiple Range Test (DMRT).  From the research it can be concluded that the variation of the peanut shell compost mixture in the growing medium has a significant effect on the growth of Dendrobium orchids on four (4) observed growth parameters (Leaf Length, Number of Leaves, Leaf Area, and Wet Weight. Moderate for the Number of tillers. There was a difference in effect, although this difference was not significant. And the treatment of compost mixture B / K.1 / 2 or with a ratio of 1: 1 gave the best effect on all observed growth parameters (Leaf Length, Number of Leaves, Leaf Area, Number of Tillers, and Gross weight. There is still a need to develop further research on peanut shell compost as a mixture for growing media, because in addition to reducing costs for growing media it can also reduce costs for purchasing fertilizer, because peanut shell compost contains a lot of N, P, and K elements. soil on growing media can reduce maintenance costs.
Addition of Yeast Bread (Saccharomyces cerevisiae) in Feed to Increase Growth of Barramundi (Lates calcarifer) Nunik Cokrowati; Ika Linda Hartati; Dewi Putri Lestari
Jurnal Biologi Tropis Vol. 20 No. 2 (2020): Mei - Agustus
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v20i2.1984

Abstract

Barramundi (Lates calcarifer) is known as Sea bass with a selling price of Rp.75,000 - Rp.80,000/Kg consumption size. The purpose of this study was to determine the effect of the addition of bread yeast with different doses to feed on the growth of Lates calcarifer. This study uses an experimental method with a Completely Randomized Design (CRD). The treatments were P0=0% yeast, P1=0.5%, P2=0.10%, P3=0.15%, P4=0.20% yeast from the weight of the feed given. The results of the study are the bread yeast influences the growth of Lates calcarifer. The highest absolute weight gain in P4 treatment was 0.507 g. The highest absolute length increase in P4 treatment was 0.990 cm. The lowest FCR at perlakuan P1 yaitu 15,55. The highest survival rates are P2, P3, and P4 which is 100%. Erythrocytes with the highest total amount in P4 treatment 12,58x106 - 18,62x106 cells/mm3. Leukocytes with the highest total number in P2 treatment were 27,96x106 - 44,641x106 cells/mm3. Water quality parameter values in the maintenance media are in the range of requirements for Lates calcarifer cultivation. The conclusion of the study is the addition of bread yeast affects the growth of Lates calcarifer and the optimal dose that can increase the growth is 0,20%.
The Effect of Liquid Organic Fertilizer (LOF) Made from Rabbit Urine and NPK Fertilizer on the Growth of Bok Choy (Brassica rapa L. Subsp. chinensis) Legita Dwi Kurnianta; Prapti Sedijani; Ahmad Raksun
Jurnal Biologi Tropis Vol. 21 No. 1 (2021): Januari - April
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.v21i1.2426

Abstract

Fertilizer is one of the most important needs for plants. Fertilizing can be done by using inorganic fertilizers or organic fertilizers. Long term fertilizing by using inorganic fertilizers without adding the organic matter could potentially reduce soil fertility and lead to not optimal growth of the plant. This study aims to determine the effect of liquid organic fertilizer (LOF) made from rabbit urine, NPK fertilizer, and the combination of both fertilizers on the growth of bok choy, and to determine the best fertilizer dosage for the growth of bok choy. This study uses a Completely Randomized Design consisting of 2 factors, the dose of rabbit urine LOF and dose of NPK fertilizer; 4 dosage levels each in triplicates. Data was analyzed using ANOVA followed by DMRT Test. The results indicates that the application of LOF made from rabbit urine, NPK fertilizer, and the combination of both fertilizers increases  plant height, leaves number, leaf area, wet weight, dry weight, and chlorophyll total of bok choy. DMRT (a 5%) test shows the best dosage applied for enhancing growth parameter are 6 ml of LOF plus 0,4 gram of NPK for plant height, wet weight, and dry weight, the 4 ml of LOF plus 0,6 gram of NPK for leaves number and leaf area, and the 4 ml of LOF plus 0,4 gram NPK for chlorophyll total.
Vegetative Growth of Pakcoy (Brassica rapa L.) Due to Different Dose of Bokashi and NPK Fertilizer Ahmad Raksun; Moh. Liwa Ilhamdi; I Wayan Merta; I Gde Mertha
Jurnal Biologi Tropis Vol. 20 No. 3 (2020): September - Desember
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.v20i3.2156

Abstract

Pakcoy is one of popular vegetable croop in Indonesia. Effort to increase the growth of pakcoy can be done by fertilizing. Research on the vegetative growth of fakcoy due to different dosages of bokashi and NPK fertilizer has been carried out in Terong Tawah Village, Wes Lombok Regency. The objectives of this research were to determaine: (1) vegetatif growth of pakcoy due to different dose of bokashi, (2) vegetatif growth of pakcoy due to different dose of NPK fertilizer, (3) the effect of the interaction between bokashi and NPK fertilizer on pakcoy growth. In this research a two factor design was used. The first factor was the dose of bokashi and the second was the dose of NPK fertilizer. The growth parameters were plant height, number of leaves, leaf lenght and leaf width of pakcoy. The research data was analyzed using analaysis of variance. The result showed that: (1) different dose of bokashi significantly affected plant height, number of leaves, leaf lenght and leaf width of pakcoy, (2) different dose of NPK fertilizer significantly affected plant height, number of leaves, leaf lenght and leaf width of pakcoy, (3) interaction between bokashi and NPK fertilizer has no significant effect on all measured growth parameters.
Community of Seaweeds on Cemara Beach East Lombok Intan Mushlihah; Lalu Japa; I Gde Mertha; Ahmad Raksun
Jurnal Biologi Tropis Vol. 20 No. 2 (2020): Mei - Agustus
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v20i2.1926

Abstract

Seaweeds (macroalgae) are a marine biological resource that have an important role in aquatic ecosystems and for society. The aim of this research was to determine community of seaweeds in Cemara Beach, East Lombok Regency.Data were collected at four observation points using a method of combinationof the line transect and quadrat. Seaweeds community data were analyzed using density parameters, important values, species diversity index, and species evenness index. The similarity percentage between transects was determined based on the Bray-Curtis cluster analysis using biodiversity program-version 2. In Cemara Beach there were 24 species of macroalgae which memberof 3 divisions, 11 orders and 15 families. Chlorophyta was a division with highest number of species. The number of species for Chlorophyta was 14 species, Rhodophyta division was 7 species, and Phaeophyta division 3 species. The species with highest density is Enteromorpha sp.,25.1 clumps/m2. Ulva lactuca is the species with the highest important value (72.69%). Diversity and evenness index in Cemara Beach seaweed species were 1,868 (medium category) and 0,699 (almost evenly distributed).The results of cluster analysis based on environmental parameters, species similarity and number of clumps of seaweed species, diversity index, and species evenness index indicate that seaweed in Cemara Beach can generally be divided into 2 groups.

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