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INDONESIA
BIOMA
Published by Universitas PGRI Semarang
ISSN : 20865481     EISSN : 25499890     DOI : 10.26877
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Arjuna Subject : -
Articles 246 Documents
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Prevalence of fungal infections that cause tinea pedis in farmers in Tegalharjo Banyuwangi Fitrotin Azizah; Anindita Riesti Retno Arimurti; Ruspeni Daesusi; Dellanis Arina Putri
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.10519

Abstract

Tinea pedis is a type of superficial mycosis. Tinea pedis is a dermatophyse that is most often found in humans and is usually called water fleas. Lack of maintaining cleanliness and wearing closed shoes is one of the factors that causes Tinea pedis. Tinea pedis usually affects adults who work in wet or humid places, such as car and motorcycle washers, garbage collectors and farmers. When doing activities, the average farmer uses boots for too long. However, some farmers who do not wear boots while working experience itching on the soles of their feet. This research aims to determine the prevalence of fungal contamination that causes water fleas (Tinea pedis) in farmers in Tegalharjo village, Banyuwangi Regency. The population of this research are 30 farmers in Tegalharjo village, while the research sample Is skin scrapings between the toes of the farmers. Then the sample obtained is directly examined by using a microscope and 10% KOH reagent. The results shows that the farmers who are contaminated with the fungus that caused Tinea pedis are 6 people with a percentage (20%) and 24 people who are not contaminated with a percentage (80%). The incidence of infection Tinea Pedis among farmers in Tegalharjo Village, Banyuwangi Regency is also influenced by the duration of working in a day and the habit of wearing boots.
Feeding of glucomannans and anthocyanins combination in the containing microparticle protein on fat digestibility and fat deposition on broiler chicken Lilik Krismiyanto; Nyoman Suthama; Mulyono Mulyono; Masrifah Ayu Ningrum
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.11533

Abstract

This study aims to evaluate the effects of combination of glucomannan and anthocyanin in feeds containing protein microparticles on fat digestibility and fat deposition in broiler chickens. The 216 healthy 7-day-old broiler chicks strain CP 707 was used with treatment of glucomannan from porang tuber extract and anthocyanins from purple sweet potato extract. The study was arranged by a completely randomized design (CRD) with a factorial pattern with treatment consisting of 2 factors (A and B). In A, there were 3 glucomannan treatments, A1 (0%), A2 (0.05%) and A3 (0.1%), while in B contained 3 anthocyanin treatments, B1 (0), B2 (0.07%) and B3 (0.14%) with 3 replications. The measure was fat digestibility, precentage of abdominal fat and meat fat mass. The data were analyzed for variance at the 5% level and continued with Duncan's double test at the 5% level. The results showed that the addition of a combination of glucomannan and anthocyanin in the feed containing protein microparticles had an interaction (P<0.05) on fat digestibility, meat fat mass and relative weight of abdominal fat in broiler chickens. The addition of a combination of 0.1% glucomannan and 0.14% anthocyanin (A3B3) in the feed containing microparticle protein was able to reduce fat digestibility, relative abdominal fat weight and meat fat mass in broiler chickens.
The potency of water leaves extract of bay (Syzygium polyanthum) and papaya (Carica papaya) as larvacides to filaria vector Culex queinquefasciatus (Diptera: Culicidae) Vella Rohmayani; Anindita Riesti Retno Arimurti; Rinza Rahmawati Samsudin
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.10587

Abstract

Culex quenquefasciatus is a mosquito that acts as a vector of filariasis disease. In Indonesia filariasis is still one of the endemic diseases. This proves that the handling of vector Culex quenquefasciatus is still not done optimally. One way that can be done to control mosquito vectors one of them is to use larvacide. Larvacide which is widely used today is still synthetic. Although very efficient in causing mosquito mortality, larvacide synthesis harms the environment and can cause vectors resistance. Then another larvacide alternative is needed that is effective and does not cause negative effects. Plants can be a choice of larvacide from nature. The study aims to find out the potential of the water extract of bay leaves and papaya leaves in killing the larvae of the Cx. quenquefasciatus mosquito as well as the value of LC50 after 24-hour observation. The type of research used is experimental research. The concentration of the water extract of bay leaves and papaya leaves used is 10%, 30%, 50%, 70%, and 90% with trhee times replication. LC50 is calculated using the Finney formula (1971), the calculation is carried out using application SPSS statistical version 26. Based on the research conducted, the value of bay leaf water extract LC50 = 62.89 g/ml and papaya leaf water extract LC50 = 45.10 g/ml. So based on the LC50 value, ita can be concluded that papaya leaf water extract is more effective in causing mortality Cx. quenquefasciatus compared with bay leaf water extract. 
Student's worksheet with guided inquiry approach on sub materials of endocrine system enriched with reducing process of diabetic blood sugar levels Endah Maulina; Titin Titin; Wolly Candramila
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.11637

Abstract

The use of student’s worksheets as teaching materials and supporting learning activities is still not evenly distributed. The components are sometimes incomplete. This study aims to describe the development and determine the feasibility of guided inquiry-based worksheets as teaching materials for the endocrine system sub material for second-grade of high schools. This study used a 4D development model limited to three defining, designing, and developing stages. The student’s worksheets were designed based on the problems obtained from interviews with biology teachers in three different schools. At the development stage, the worksheets were validated by five validators consisting of two lecturers and three biology teachers in Pontianak. The validation assessment contained four aspects: the feasibility of the content/material, language, presentation, and graphics with 19 criteria. The student’s worksheet was successfully developed with enrichment in the form of discourse analysis activities related to diabetes and the process of lowering blood sugar levels by plant extracts with guided inquiry stages. The feasibility analysis results of the guided inquiry-based student’s worksheet obtained CVR and CVI values of 1 each so that product can be declared ready for the limited and extensive trial phase. However, the significance of the enrichment topics in this student’s worksheet still needs to be re-examined directly in the teaching and learning process in the Endocrine System Sub material for second grade of high school in both small and large scales groups.
Development of animation-based learning media with music and song lyrics on the cell division material at Al-Bahra High School Jeneponto Regency Wahyuddin Wahyuddin; Jamilah Jamilah; Eka Damayanti; Andi Maulana
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.11490

Abstract

Learning media in the teaching and learning process has many uses or functions that significantly strengthen the learning objectives. This research aimed to develop learning media based on animation and song lyrics on cell division material for senior high school students and determine its validity, practicality, and effectiveness. This study used the Research and Development  method referred to ADDIE model. The model consisted of five stages (analysis, design, development, implementation, and evaluation). The product developed was animation-based learning media with music and song lyrics and was tested through validity tests, practice tests, and effectiveness tests.  The research instruments were validation sheets to validate the media by experts, a response questionnaire to collect information from educators and students regarding the practicality of the media, and learning outcomes tests given to students. In this study, the product was tested on class XII senior high school students of Al-Bahra, Jeneponto, Indonesia. The results showed the validity level of the media was 3.68 with the very valid category. The practicality level of the media was 3.56 with the very practical category with the percentage of the effectiveness rate was 85.71% with the effective category. This study concludes that animation-based learning media with music and song lyrics on cell division material is available in the learning process because it has met the valid, practical, and effective criteria.
Severity analysis of fruit plant diseases based on leaf symptoms using ImageJ software An Nissa Falaq Qurrahmah; Umi Mutfidasari; Putri Inayah Aisyah; Irene Putri Pricillia Butar-Butar; Imam Rosadi; Linda Oktavianingsih
Bioma : Jurnal Ilmiah Biologi Vol. 11 No. 2: October 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v11i2.10467

Abstract

Diseases in plants are abnormal and detrimental physiological processes plants. Plant organs commonly affected by the disease are leaves, roots, fruit, and stems. Diseases in plants can generally be caused by bacteria, fungi, viruses, and algae that cause diplodia, red rust patches/spots, scabies, and downy mildew. This study aims to determine the severity of disease in fruit plants using ImageJ and plantix. Based on the results of the study, found five types of fruit plants were used, namely grape vines (Vitis vinifera), sapodilla (Manilkara zapota), mango (Mangifera indica), rambutan (Nephelium sp.), and lime plants (Citrus aurantifolia) with different severity of plant diseases. The highest severity of the disease was found in rambutan leaves (43.73%) caused by fungi, and the lowest severity was found in lime leaves (16.12%) caused by fungi.
Tree Species Diversity at Kebon Rojo, Blitar City Marinda Sari Sofiyana
Bioma : Jurnal Ilmiah Biologi Vol 12, No 1: April 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v12i1.11992

Abstract

Tree Species Diversity at Kebon Rojo, Blitar City. Kebon Rojo is one of the open green spaces in Blitar City. This area has a variety of vegetation, one of which is trees. Diversity of tree species in this area has not been recorded. This study aims to determine the diversity of tree species at Kebon Rojo. The method used is the Je method by recording and documenting the diversity of trees in this area. The level of diversity was calculated using the Shannon Wiener index. The results of this study revealed that there were 322 trees belonging to 26 families, 36 species. The Shannon Wiener Diversity Index is 3.5. This value indicates the diversity of tree species at Kebon Rojo is high
Liver Histopathology of Mice Induced by Paracetamol on Administration of Methanol Extract of Laban Tree Bark (Vitex pubescens Vahl.) Wiwit Anggraini; Diah Wulandari Rousdy; Elvi Rusmiyanto Pancaning Wardoyo
Bioma : Jurnal Ilmiah Biologi Vol 12, No 1: April 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v12i1.11664

Abstract

Paracetamol metabolism takes place in the liver mediated by CYP450 enzymes and generates NAPQI radicals. The NAPQI radical is highly electrophilic to hepatocyte biomolecules and is therefore capable of inducing liver damage. Laban tree bark (V. pubescens) methanol extract is known to contain antioxidant compounds of flavonoids, saponins, and tannins with an IC50 value of 19.83 g/ml. This study aims to determine the optimal dose of extract that can improve the liver microanatomy of mice induced by toxic dose of paracetamol (TDP). This study used 30 male Swiss strain mice with a body weight of 20-30 g. The treatments given consisted of negative control (paracetamol 105 mg kg-1), positive control (vitamin E 46.8 mg kg-1), and laban extract at a dose of 75; 150; 300; 600 mg kg-1 BW. Liver microanatomy parameters measured included hepatocyte diameter (19.50±0.21 µm), sinusoids (4.39±0.23 µm), and central vein (36.84 ± 1.79 µm). Data were analyzed using one-way ANOVA and Duncan's Multiple Range Test further test was then presented in the form of mean ± standard deviation. The results showed that extract at a dose of 600 mg kg-1 had hepatocyte, sinusoid, and central vein diameters that were not significantly different (p>0.05) with vitamin E.
Implementation of Standard Operating Procedures In Biology Practicum High School Alfrista Novalia Putri; Febrina Ayu Wulandari; Arum Wilianti Suparno; Arista Mukti Khasanah; Tri Eva Rahmadani; Much. Fuad Saifuddin; Etika Dyah Puspitasari
Bioma : Jurnal Ilmiah Biologi Vol 12, No 1: April 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v12i1.12376

Abstract

The Laboratory is a room or places equipped with tools and materials suitable for teaching science or implementing science practicum. Laboratory management in terms of organizational structure, activities, and facilities needs to be evaluated to increase awareness of the effectiveness of science learning and increase laboratory safety to the optimum level. This paper aims to determine 1) Standard Operating Procedures and 2) Obstacles in school SOP management. The research method used was descriptive exploratory. The data were collected by conducting interviews, observation, and documentation. The data analysis technique was carried out in descriptive qualitative. The results showed that the Biology Laboratory preparation at three Bantul Regency schools already had a Standard Operating Procedure (SOP). However, some schools have not fulfilled the SOP properly. Of the three schools observed in school C, there is no SOP for storing tools and practicum materials. School B SOP that has not been posted in the open, SOP for occupational health and safety, SOP for procurement of tools or practicum materials, and SOP for purchasing chemicals. School A does not have SOP posted in the open, SOP for storing tools or practicum materials, and procurement of tools or materials.
Growth of Bacillus spp. Isolated From Nipah Worm Intestine (Namalycastis rhodochorde) With Different Combination of pH and Salinity Rikhsan Kurniatuhadi; Ari Hepi Yanti; Tri Rima Setyawati; Eka Karunia
Bioma : Jurnal Ilmiah Biologi Vol 12, No 1: April 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v12i1.14387

Abstract

Bacillus spp. (NrLtF1, NrLtF5, and NrLtG2) isolated from the digestive tract of the Nypa palm worm (Namalycastis rhodochorde) were assumed to have growth characteristics according to the habitat conditions of the nypa worm. Nypa worms live in estuary environments that are affected by seawater intrusion. Salinity and pH are two environmental factors affecting gastrointestinal isolates' growth from nypa palm worms. This study aimed to determine the effect of pH and salinity on the media on growth patterns and determine the optimum combination of pH and salinity for Bacillus spp. The study was conducted using a spectrophotometry method using a microplate reader with Glucose Yeast Peptone (GYP) as a medium for bacterial growth. The medium's pH and salinity values were adjusted by adding 5M NaOH and 5M HCl to obtain pH values of 4, 5, 6, and 7, respectively. Addition of NaCl to the growing medium to get salinity values of 5%, 10%, and 15%. Optimization was determined by incubation at a density of 595 nm at a temperature of 31oC for 24 hours. The results showed that Bacillus spp. could grow well at pH 6 with a salinity value of 15%, pH 6 with a salinity value of 10%, and pH 6 with a salinity value of 5% based on contour plot design. The Optimum growth of Bacillus spp. with pH and salinity expects to be a reference for developing feed products based on indigenous nypa palm worms. 

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