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AKTIVITAS ANTIMICROBIAL EKSTRAK ETANOL BIJI GANITRI (Elaeocarpus sphaericus Schum.) TERHADAP PERTUMBUHAN BAKTERI PATOGEN Hasyim As’ari; Tristi Indah Dwi Kurnia; N. Nurchayati
BIOEDUKASI Vol 14 No 2 (2016)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

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The seed ethanol extracts ganitri (Elaeocarpus sphaericus Schum.) were tested for their antimicrobial activities against Shigella dysenteriae, Salmonella typhi, and Escherichia coli. At concentrations 10-50% the seed ethanol extracts ganitri effectively inhibited the growth of all tested bacteria as shown by the wide clear zones which varied from 0,026 to 0,996 cm 2 . Wide clear zone at concentration 50% extract can be categorized as high in E. coli, and moderate for Shigella dysenteriae and Salmonella typhi. While the minimum inhibitory concentration (MIC) the seed ethanol extracts ganitri same for all tested bacteria at concentration 1% extract. Keywords: Ganitri seed, antimicrobial, concentration, MIC

PERBEDAAN DAYA HAMBAT EKSTRAK DAUN SISIK NAGA (Drymoglossum piloselloides Linn.) TERHADAP BAKTERI Propionibacterium acne DENGAN Shigella dysentriae Wenti Dwi Febriani; Dwi Wahyuni; Iis Nur Asyiah
BIOEDUKASI Vol 13 No 2 (2015)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

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Propionibacterium acne and Shigella dysentriae is a species of bacteria that cause inflammation. Diseases that cause acne are often caused by a bacterial infection, one of which is the bacteria Propionibacterium acne. While inflammatory bowel disease caused by a bacterial infection Shigella dysenteriae. Both are bacteria that cause inflammation. One of the plants that have the potential as an alternative antibacterial is leaf dragon scales (Drymoglossum piloselloides Linn). Inhibition of leaf extracts dragon scales (Drymoglossum piloselloides Linn) against Propionibacterium acne bacteria significantly affect the significance value of 0,000. While the dragon scales leaf extract (Drymoglossum piloselloides Linn) against Shigella dysenteriae bacteria significantly affect the significance value of 0,000. Minimal Inhibitory Concentration (MIC) which is able to inhibit the bacteria Propionibacterium acne is 0,8% with a mean inhibition zone of 0,26 cm. While the Minimal Inhibitory Concentration (MIC) which is able to inhibit the bacteria Shigella dysenteriae is 0,6% with a mean of 0,15 Keywords: Propionibacterium acne, Shigella dysentriae, Drymoglossum piloselloides Linn., acne bacteria

AKTIVITAS ANTIBAKTERI EKSTRAK METANOL KULIT BATANG TUMBUHAN SALAM (Syzygium polyanthum) TERHADAP PERTUMBUHAN BAKTERI Escherchia coli Agni Rimba Mawan; Sri Endah Indriwati; Suhadi Suhadi
BIOEDUKASI Vol 15 No 1 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i1.4702

Syzygium polyanthum has medicinal benefits, especially in its stem bark. This study aims to determine the antibacterial activity of methanol extract of Syzygium polyanthum’s stem bark to the inhibit of Escherchia coli growth. Extraction method done by maceration using methanol solvent. The extract used 40%, 60% and 80%, with tetracycline as a positive control and aquades as a negative control. Antibacterial activity tested by disk diffusion method. The result of antibacterial activity test analyzed using one-way ANOVA, followed by LSD test. The result showed that the extract concentration of 40%, 60%, and 80% have antibacterial activity with an average diameter of inhibitory zone, such as: 40% (16,2 mm),60% ( 8,5 mm) and 80% (16,3 mm), while the positive control 27,3 mm and negative control 0 mm. The results of the ANOVA analysis showed a significant value of 0.000 (p<0.05), which means there are significant differences in the effects of various concentrations of methanol extract of Syzygium polyanthum’s stem bark against Escherchia coli growth. The results of the LSD (Least Significance Different) test showed that all treatments were significantly different than concentration of 40% to consentration of 80%. The conclusion of the study is the methanol extract of Syzygium polyanthum’s stem bark have antibacterial activity against Escherchia coli. Keywords: antibacterial activity, Syzygium polyanthum, Escherchia coli, disk diffusion method

The Development of Practical Work Instruction on Material of Regeneration and Pigmentation Dwi Candra Setiawan; As’ad Syamsul Arifin
BIOEDUKASI Vol 15 No 2 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i2.6933

Practical work instruction is one of important teaching materials in the learning process, especially in the course that requires laboratory work. The existence of practical work instruction will really assist the students in carrying the lab work activity out. In addition, practical work instruction can also help lecturers in giving guidance during the practical activities so that the process of carrying the practical work out runs well. Based on the results of observation and personal experience of teaching teaching, some courses which include practical work do not have appropriate practical work instruction. This is why we need to develop practical work instruction on the observation process of regeneration and pigmentation of caudal fin of Zebrafish or Zebra Danio. The purpose of this research is to produce a goodpractical work instruction that is appropriate to be used by students especially in the course of animal development structure. The development of this practical work instruction used the development method of Thiagarajan which consists of define, design, develop and disseminate. However, in this research, we only proceeded until the develop stage. The object of this research was the students of IKIP Budi Utomo Malang, Biology Education Department who took the course of animal development structure. Based on the results of data analysis, we obtained that the practice manual was valid and appropriate to be used in practical work activities based on the evaluation criteria from the expert validation. Keywords: Practical Work Instruction, Thiagarajan

The Effect of Extract of Getih-Getihan (Rivina humilis L.) on Armyworm (Spodoptera litura F.) Mortality Dewi Nurhayati; Wachju Subchan; Jekti Prihatin
BIOEDUKASI Vol 16 No 1 (2018)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v16i1.7718

Armyworm (Spodoptera litura F.) is a leaf-eating pest causes the loss of crops from 85% until causing crop failure. Alternative pest control and to reduce the negative impact of synthetic pesticides include using botanical pesticide. Getih-getihan plant (Rivina humilis L.) is one of the plants having potency as a botanical pesticide. Based on the description, this study was conducted to determine LC50 value by using probit analysis and analysis of an extract of Rivina humilis L. leaves on the mortality of Spodoptera litura F. using ANOVA test. Rivina humilis L. leaves are extracted by using ethanol solvent to get active chemical to kill Spodoptera litura F.. TLC (Thin Layer Chromatography) result test of an extract of Rivina humilis L. are positively contain an alkaloid, flavonoid, tannin, and terpenoid. The method of the research uses CRD (Complete Random Design) with five times repetition. Concentration serial being tested are 0%, 0.5%, 1%, 1.5%, 2%, and 2.5%. The result of probit analysis is 1.42% of LC50 value and ANOVA test shows that extract of Rivina humilis L. leaves affects very significantly on the Spodoptera litura F. mortality (p=0.000). Keywords: Spodoptera litura F., Rivina humilis L., leaves extract.

TANAMAN ADAT LOKAL SEBAGAI KONSERVASI UNTUK PENGURANGAN RISIKO BENCANA LONGSOR DI ACEH TENGGARA Desi Sri Pasca Sari Sembiring
BIOEDUKASI Vol 14 No 2 (2016)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

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Aceh tenggara adalah kabupaten yang sangat kaya akan sumber daya alamnya terutama dengan kawasan hutan dan sungainya, dimana paru-paru dunia ada di Kabupaten Aceh Tenggara. Selain memiliki potensi alam Aceh Tenggara juga memiliki potensi bencana yang cukup tinggi dimana ada beberapa indikator yang menyebabkan daerah ini memiliki kerawanan akan bencana cukup tinggi terutama untuk bencana kekeringan, banjir dan tanah longsor. Tujuan Penelitian ini untuk mengetahui Sejarah Bencana di Aceh Tenggara, mengidentifikasi tanaman adat di wilayah Aceh Tenggara untuk pengurangan resiko bencana longsor . Metode Penelitian ini dengan studi literatur, Observasi dan dianalisis secara deskriptif. Hasil penelitian ini yaitu Aceh Tenggara di kategorikan wilayah rawan bencana berdasarkan data dari tahun 1938-2015.Tanaman adat yang ada di wilayah Aceh Tenggara yang cocok untuk pengurangan resiko bencana longsor adalah tanaman aren, nangka, pinang, kelapa dan bambu. Selain dimanfaatkan untuk acara adat suku Alas di Aceh Tenggara juga berfungsi sebagai tanaman konservasi untuk pengurangan resiko bencana longsor. Kata Kunci: Tanaman Adat, Pengurangan Resiko Bencana, Longsor

MODIFIED RECIPROCAL TEACHING UNTUK STIMULASI KETERAMPILAN BERARGUMENTASI MAHASISWA PADA MATA KULIAH STRATEGI BELAJAR MENGAJAR BIOLOGI Siti Murdiyah
BIOEDUKASI Vol 14 No 1 (2016)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

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Verbal discussion and arguments required as a necessity in academic activities. Argument is an important component in critical thinking, each individual in a professional and non professional activities require arguments. Argument also has an important role in the development of science. This argumentation skills can be improved by increasing the understanding of reading as a source of learning. This study aimed to stimulate student argument skills in the subject of Teaching and Learning Strategies using learning model of reciprocal teaching. Argument skills targeted adopted Toulmin’s Model of Argument. Result showed that there were increasing quality of student’s arguments in all six parameters with parameter of data, claim and warrants showing higher enhancement relative to the other three parameters namely qualifiers, rebuttal and backup. Keywords: reciprocal teaching, keterampilan berargumentasi model Toulmin’s

IDENTIFIKASI KEMAMPUAN BERTANYA DAN BERPENDAPAT CALON GURU BIOLOGI PADA MATA KULIAH FISIOLOGI HEWAN Muh. Amin Astuti
BIOEDUKASI Vol 15 No 1 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i1.4704

The ability of asking and opining can be used to measure students critical thinking skills. The purpose of this study was to determine the students’ ability of asking and opining at learning program of preservice biology teachers. This type of research was a survey with a qualitative descriptive approach conducted in the subject of Animal Physiology. The research was conducted in the academic year 2015/2016. The research subjects consisted of 109 students in STKIP Indonesia Makassar, UIN Alauddin Makassar, UPRI Makassar. The research instrument was observation sheet related to the students’ ability of asking and opining. The data analysis related to the question quality of students showed that 76.92% questions are classified of Lower Order Thinking Skills (LOTS) and 23.08% questions are classified of Higher Order Thinking Skills (HOTS). The data analysis results related to the students ability of opining showed that 86.66% opinions are classified as Lower Order Thinking Skills (LOTS) and 13.34% opinions are classified as Higher Order Thinking Skills (HOTS). These results suggest that the students’ ability to ask and to opine are not fully empowered yet in the learning process, so those abilities still need to be improved. Keywords: Asking Ability, Higher Order Thinking Skills, Lower Order Thinking Skills, Opining Ability

Toxicity of Granule from Sugar Apple (Annona squamosa. L) Fruit Extract on The Mortality Aedes aegypti Larvae Dini Aisyafahmi; Dwi Wahyuni
BIOEDUKASI Vol 15 No 2 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i2.6934

Aedes aegypti L. is mosquito belong to the order diptera that widely distributed in the tropics. Female Aedes aegypti L. is the primary vector for the spread of dengue fever. Dengue fever has increased from year to year. Efforts to eradicate the disease done by government mainly using chemical insecticides which their residues can endanger non-target organisms. Eco-friendly Aedes aegypti L. larvae's control is needed to suppress the populations. One that can be achieve using natural larvacide from sugar apple (Annona squamosa L.). The aim of this research was to find out the LC 50 and toxicty effect of granule from sugar apple extract (Annona squamosa L.) on Aedes aegypti L. larvae’s mortality. The concentration used in this research were 1, 5, 25, 50, 75, 100, 125, 150 ppm, control 0 In the form of tween 80, positive control abate and negative control aquades. The result shows that LC 50 granule extract of apple sugar (Annona squamosa L.) was 8.25 ppm. Keywords: Aedes aegypti L., Annona squamosa L., granule, toxicity, LC 50

Effectiveness of Bintaro Seeds Extract (Cerbera odollam Gaertn.) on Armyworm (Spodoptera litura (Fabricius) Mortality Mery Sintia Dewi; Wachju Subchan; Jekti Prihatin
BIOEDUKASI Vol 16 No 1 (2018)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v16i1.7719

Armyworm (Spodoptera litura (Fabricius) often lead to decreased productivity and even crop failures by causing leaves, fruits, and vegetables to become torn, cut, and punctured. Crop insecticides are an alternative to eradicating armyworm (Spodoptera litura (Fabricius). One plant that can be used as a vegetable insecticide is bintaro (Cerbera odollam Gaertn.) The bintaro plant (Cerbera odollam Gaertn.) has cerberin content that contribute to insect mortality. This study aims to determine the effectiveness of extract (Cerbera odollam Gaertn.) on mortality of armywork (Spodoptera litura (Fabricius). This study was a type of experiment using Completely Randomized Design (CRD) with five treatments and one control. The results showed that the effectiveness of seeds bintaro extract (Cerbera odollam Gaertn.) could cause death to armyworm (Spodoptera litura (Fabricius) on 1.5% concentration of 55% showed effective on the armyworm. Increasing the dose is to be followed by increasing the effectiveness of mortality. The LC50 value is 1.51%. Increasingly concentration of seeds bintaro extract (Cerbera odollam Gaertn.) cause higher mortality of armyworm (Spodoptera litura (Fabricius). Keywords: Spodoptera litura (Fabricius), Cerbera odollam Gaertn. Seeds Extract, Mortality

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Contact Name
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Journal Mail Official
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Location
Kab. jember,

Jawa timur

INDONESIA