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Bioscientist : Jurnal Ilmiah Biologi
Published by Universitas Pendidikan Mandalika
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 1,428 Documents
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Stek Tumbuhan Kebiul (Caesalpinia sp.) Berbantuan Air Kelapa sebagai Hormon Pertumbuhan Alami Ika Saputri; Deni Parlindungan; Reti Novianti; Widia Gusti
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4801

Abstract

Caesalpinia sp. is a popular traditional medicinal plant in Bengkulu, but people have not cultivated it and still harvest it from nature. Efforts towards cultivation must begin before these plants are rare because in nature will run out. In this study measure the growth of Kebiul plant cuttings with the help of natural hormones from 3 variants of coconut water consist of: young, medium and old coconut water, which will be compared with synthetic growth regulators (rootone-F) and controls (without treatment). The study was carried out for six weeks with twelve observations, measurements were made in the afternoon, with the parameters of observing the shoots (the growth number, growth time, growth rate), shoots number and leaves number.The results showed that the percentage of the number of seedlings growing was (P3:41.67%; P1:33.33%; P2:25%; P4: 16.67%; P5: 8.33%), Growing time (days) namely (P5: 23; P1: 23.25; P3: 23.29; P2: 24.25; P4: 40.5), Growth rate (P2: 0.81; P3: 0.59; P5: 0.18; P1: 0.12; P4: 0.04 ), Average number of shoots (P3: 1.4; P2: 1.3; P1: 1; P4: 1; P5: 1), and Average number of leaves (P2: 2.67; P3: 1, 92; P1:0; P4:0; P5:0).The use of coconut water on Kebiul plant cuttings, with the best results sequentially P3 (young coconut water), P2 (medium coconut water), and P1 (old coconut water).
Pengembangan Modul Online Berbasis Inquiry dengan Muatan Kearifan Lokal Sukabumi pada Materi Perubahan dan Pelestarian Lingkungan Hidup Putri Nida Nurulaini; Setiono Setiono; Gina Nuranti
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.5351

Abstract

This study aims to develop an inquiry-based online module with the content of Sukabumi local wisdom. This type of research is the development of the ADDIE development model (Analysis, Design, Development, Implementation, evaluation). The research subjects were biology teachers, 99 students of class X MIPA and social studies at SMA Negeri 1 Sukaraja and validators. The instruments used in this study were material expert validation sheets and media experts to obtain the results of the online module validity test and student response questionnaires with the teacher to obtain the online module practicality test results. The results of the study show that (1) Expert validation states that the online module is a very valid category in terms of material, learning and display aspects. (2) Teachers and students gave a very good response to the online module and included in the very practical category. Based on the results and discussion of the research, it can be concluded that the development of online modules using the ADDIE model with a validation and evaluation process at each stage can produce valid products and produce modules that have a high practical value.
Isolasi dan Uji Aktivitas Antagonisme Jamur Endofit Tanaman Pisang (Musa paradisiaca L.) terhadap Fusarium oxysporum Oktira Roka Aji; Aninda Kumala Sari; Diah Asta Putri
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4718

Abstract

Fungi that grow in plant tissue without harming the host are called endophytic fungi. This fungus has the potential as a biological agent (biocontrol) in controlling plant diseases. One of the fungi that can cause disease in banana plants is Fusarium oxysporum, which can cause Fusarium wilt disease. Endophytic fungi have antagonistic properties in the form of nutritional competition and antibiosis. These antagonistic properties can be used as biological agents. The purpose of this study was to isolate and test the antagonistic activity of the endophytic fungus of banana plant (Musa paradisiaca L.) against the pathogenic fungus Fusarium oxysporum. This research is an experimental study, which begins with the isolation of endophytic fungi and then continues with the antagonism activity test. The results of the isolation obtained 4 isolates of endophytic fungi, namely: 1) isolate D1 (Phytium sp.); 2) isolate B1 (Aspergillus sp.); 3) isolate A1 (Trichoderma sp.); and 4) isolate A2 (Penicillium sp.). Based on the antagonism activity test, isolate A1 showed the best results in inhibiting the fungus Fusarium oxysporum through the mechanism of space and nutrient competition, while isolates that showed antibiotic activity were isolate A2. The results of the inhibition test using the dual culture method showed that, 2 isolates (B1 and A2) could inhibit the growth of the fungus Fusarium oxysporum. The highest percentage of inhibition was owned by isolate A2. Based on its ability to inhibit Fusarium oxyaporum, endophytic fungal isolates have the potential to be further developed as Fusarium oxysporum control agents.
Isolasi Antosianin Kulit Terong Ungu (Solanum melongena) sebagai Biosensor Pendeteksi Kandungan Bahan Kimia pada Makanan Ahmad Aris Arifin; Sucika Armiani; Herdiyana Fitriani
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.5120

Abstract

Anthocyanin is one of the color pigments natural plant. One source of anthocyanin is purple eggplant, production in West Nusa Tenggara reached 62.408 tons in 2020. Generally, purple eggplant is only used as a source of food, even though the skin has great potential for research development. Therefore, this study aims to maximize the utilization of purple eggplant skin by innovating to develop a food safety testing biosensor. This type of research is true experiment researche using a qualitative approach, and using a Completely Randomized Design (CRD) consisting of 10 treatments and 3 replications. The parameter observed was the color change on whatmann paper no 42 before and after being dripped with the tested chemical solution. Data analysis using Spectrophotometer test and chemical selectivity test. The results showed that of the 5 types of chemicals tested, sodium nitrite had the most obvious color change when reacted with purple eggplant skin anthocyanins, at a concentration of 5% before being dropped it was light brownish in color, after dripping it was yellowish orange, and dark orange at a concentration of 10%. So from these results indicate that anthocyanins purple eggplant skin potential to be developed as a biosensor natural for food safety testing, particularly in detecting the use of sodium nitrite to exceed the threshold for processed meat products.
Analisis Status Resistensi Aedes aegypti terhadap Insektisida Cypermethrin 0,05% di Kecamatan Endemis Kabupaten Malang Siti Mariyatul Qibtiyah; Moh. Mirza Nuryady; Rr. Eko Susetyarini; Tutut Indria Permana; Dhiga Agung Sasongkojati
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4988

Abstract

Aedes aegypti mosquitoes was the primary vector for carrying dengue fever. Dengue vector control has been widely carried out to reduce the number of dengue cases in Indonesia, but resistance cases have occurred in several areas, so it was necessary to know the status of resistance to determine appropriate efforts to control the vector. The purpose of this study was to determine the resistance status of Aedes aegypti in Malang Regency to 0.05% Cypermethrin. This type of research was descriptive observational research. The research method used was the susceptibility method with WHO standards using impregnated paper with the insecticide 0.05% Cypermethrin. Aedes aegypti mosquitoes were obtained from ovitrap results in the form of eggs and larvae taken from rearing at the Chemical Laboratory of the University of Muhammadiyah Malang. The number of mosquitoes used was 400 mosquitoes of the Aedes aegypti species aged 3-5 days. Mosquitoes were contacted with impregnated paper 0.05% Cypermethrin for one hour and held for 24 hours. Based on WHO standards, the criteria for susceptibility were determined as follows: said to be vulnerable if mortality was >98%, said to be tolerant if mortality was between 80-98%, and said to be resistant if mortality was <80%. The results showed that Aedes aegypti in Malang Regency was tolerant to 0.05% Cypermethrin with death rate each district; Turen 90%, Kepanjen 90%, Karangploso 96%, and Dau 100%, with percentage of 94%. This research showed that Cypermethrin with a concentration of 0.05% was still effective in reducing the development of Aedes aegypti, but the rotation of use must still be considered to reduce the number of dengue cases.
Analisis Panjang Bobot dan Faktor Kondisi Ikan Lidah (Cynoglossus lingua) di Sungai Berombang Kabupaten Labuhanbatu Dewi Suci Lestari; Rusdi Machrizal
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4809

Abstract

Tongue Fish (C. lingua) is a fish that has a flat body like a tongue, has a non-bilateral symmetrical body, a blunt head, and belongs to the family Cynoglossidae. Tongue fish (C. lingua) usually lives on the bottom of muddy waters or mud mixed with sand and in river estuaries. The purpose of this study was to obtain related information about the analysis of the length and weight of the Tongue Fish (C. lingua) in the Berombang River, Panai Hilir District, Labuhanbatu Regency. This research lasted for 3 months, starting from October-December 2021. The sampling location was based on information from local fishermen. Fish samples were taken using nets, starting at 08.00 WIB - 16.00 WIB. The analysis carried out is the biological aspect of the relationship between length and weight of fish using a linear allometric model (LAM), while the ecological aspect that is measured is the condition factor using the K Fulton equation and the relative weight equation (Wr). In this study, 60 samples of Tongue Fish (C. lingua) were caught, with different lengths and weights. Where the total length ranges from 195-370 mm, with the total length of the dominant tongue fish on average 250 mm. While the weight of the Tongue Fish (C. lingua) ranged from 30-213 grams, and had an average dominant weight of 87 grams. The results of the long-weight relationship explained that the growth of the Tongue Fish (C. lingua) was positive allometric with the b value obtained, namely b > = 3, which was 3.3226.
Validitas Video Animasi Powtoon Kelas X SMA Berdasarkan Hasil Inventarisasi Jamur Makroskopis Khairi Khairi; Laili Fitri Yeni; Titin Titin
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4750

Abstract

Powtoon is an software  animation video that can be accessed online, contains simple and interesting animations, and provides music facilities and can record narration. This study aims to determine the feasibility of an animated video powtoon based on the results of an inventory of macroscopic fungi found in the Sekadau Mount Protection Forest, Sambas Regency. The research instrument used is a validation sheet, which includes aspects of format, content, language, simplicity, illustrations, media quality, and attractiveness. This type of research is research and development with the Plomp model. The results showed that the validation of the animated video powtoon was carried out by five validators with a CVI (Content Validity Index) value of 0.99 which was declared feasible. Based on the validation results, it can be concluded that the animated powtoon video in the class X high school mushroom classification submaterial is declared suitable for use as a learning medium.
Etnozoologi terhadap Pemanfaatan Hewan sebagai Pengobatan Tradisional di Desa Sambulangan Kecamatan Bulagi Utara Kabupaten Banggai Kepulauan Wahyudin Abdul Karim; Mohamad Fahri Haruna; Ridriksan Solani Ndekano; Firga Nabila Lige
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.5037

Abstract

Traditional medicine is treatment or treatment with ingredients or ingredients in the form of plant, animal, mineral, preparations of galenic or a mixture of these materials whose treatment refers to experience, according to skills from generation to generation, or education/training, and is applied according to the norms prevailing in society. The traditional use of animals is deliberately carried by the community to overcome health problems. The study aims to determine the types of medicinal animals and diseases that can be cured by the use of animals as traditional medicine in Sambulangan Village, North Bulagi District, Banggai Islands Regency. The type of research used in this study is descriptive qualitative, this research was carried out from July to August 2021, located in Sambulangan Village, North Bulagi District, Banggai Islands Regency. The population in this study were all types of animals used as ingredients for traditional medicine in Sambulangan Village. The samples in this study were individuals of each type of animal used as ingredients for traditional medicine in Sambulangan Village. The method of taking sample data is by using the purposive sampling method. Techniques in collecting data using interviews, surveys and documentation. Data were analyzed using qualitative descriptive analysis. The results of the study identified several types of medicinal animals and diseases that could be cured by the use of medicinal animals in Sambulangan Village, North Bulagi District, Banggai Islands Regency. There were 10 types of medicinal animals, namely monitor lizard (Varamussp.), snake (Malayophytonsp.), sand crab (Myrmeleonsp.), carthworm (Lumbricus sp.), honey bee (Apissp.), ayam kampung (Gallus gallussp.), cuscus (Ailuropssp.), snail (Achatinasp.), dubia roach (Blapticasp.), snakehead fish (Channasp.), and diseases that can be treated using these medicinal animals, namely internal diseases in general, liver disease, asthma, heart disease, surgical wounds, cough, gout, ulcers, typhoid, and toothache.
Pengaruh Kedalaman yang Berbeda terhadap Pertumbuhan dan Tingkat Kelangsungan Hidup Kerang Mutiara (Pinctada maxim) dengan Sistem Terintegrasi di Perairan Teluk Ekas Kabupaten Lombok Timur Mumu Sri Maulana Albayani; Muhammad Junaidi; Andre Rachmat Scabra
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.5147

Abstract

Integrated cultivation is a cultivation activity that combines several commodities that have different trophic levels, pearl oysters can be a commodity to absorb organic matter because they are filter feeders. With this system, the condition of the bay's waters is ex-fertile. So that the location can be a location for pearl oyster cultivation because it has abundant food availability for pearl oysters and this greatly affects its growth and survival. The availability of this food is influenced by the depth factor. The purpose of this study was to determine the optimal depth to produce maximum granules, both in terms of quality and quantity in Ekas Bay waters. This study used 4 treatments (1, 5, 10, and 15 m) with 4 replications, for 45 days. The parameters measured were absolute length growth, specific length growth rate, absolute weight growth, specific weight growth rate, and survival of pearl oyster spat (Pinctada maxima). The results showed that the ANOVA test results of absolute length growth, specific length growth rate, absolute weight growth, specific weight growth rate, and survival of pearl oyster spat (Pinctada maxima) showed significantly different results (P<0.05). The optimal depth for growth and survival of pearl oyster spat (Pinctada maxima) in Ekas Bay waters is at a depth of 5 m (P2) with an absolute length growth of 9.05 mm, a specific length growth rate of 1.43%/day, an absolute weight growth of 0.32 g, specific weight growth rate of 6.26%, and survival rate of 76%. So it can be concluded that different depths (1, 5, 10, 15 m) have a significant effect on the growth and survival of pearl oysters (Pinctada maxima) in Ekas Bay waters.
Analisis Vegetasi Tumbuhan Tingkat Pohon di Kawasan Hutan Pendidikan dan Pelatihan Universitas Muhammadiyah Bengkulu Pariyanto Pariyanto; Kiki Fatmawati; Nourma Evianti
Bioscientist : Jurnal Ilmiah Biologi Vol 10, No 1 (2022): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v10i1.4883

Abstract

This study aims to determine the analysis of plant vegetation tree level  area of forest education and training University  of Muhammadiyah Bengkulu, according to a study conducted in Januari to February 2018 in the Forest of education and training University of Muhammadiyah Bengkulu in specimen collection is done by putting in a systematic plot, with a plot size of 10 x10 m, the distance between the plot of 20 m, the total number of plots 35 plots.  Based on identification obtained 19 Family consisting  of 30 species with the number of 205 people, with Importance Value Index (IVI) is highest in Shorea gobbosa with IVI is 29.57% with relative kerpatan 7.80%, the value of the relative frequency of 7.56% and the relative dominance of 14.21%. whereas the type which has important value index (IVI) is lowest for the Lansium domesticum, with important value index kerpatan 1.08% with a relative value of 0.49%. the value of the relative frequency of 0.44% and 0.15% relative dominance values. The diversity index type at all levels have value diversity index +1,392.

Page 27 of 143 | Total Record : 1428

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