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Published by Universitas Negeri Makassar

ISSN : 14114720 EISSN : 26545160 DOI : 10.35580

Core Subject : Health, Science, Education, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Immunology & microbiology Medicine & Pharmacology Public Health Veterinary

BIONATURE adalah jurnal yang berisi tulisan yang diangkat dari hasil penelitian, gagasan konseptual, kajian dan aplikasi teori di bidang biologi. Diterbitkan dua kali setahun pada bulan april dan oktober oleh Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makasar

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Articles 10 Documents

Search results for , issue "Vol 11, No 1 (2010): April" : 10 Documents clear

Pembentukan Kapsul/Nodul Larva Helicoverpa armigera Hubner (Lepidoptera : Noctuidae) Pasca Infeksi HaNPV (Helicoverpa armigera NUCLEAR POLYHEDROSIS VIRUS) Nani, Kurnia
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

NPV is one of the biological insecticides that kills the target by infecting their cells including hemocytes. Hemocytes play a key role on defence mechanism against pathogens like NPV. This defense mechanism may cause the insect to become more tolerant as well as to chemical insectisides. The tolerances of insect to NPV could be induced by cellular immune system (CIS). One of the CIS is capsules/nodules formation. Based on that assumption, this research was conducted to observe the alteration of capsules/nodules formation of Helicoverpa armigera larvae post sublethal infection of HaNPV (Helicoverpa armigera nuclear polyhedrosis viruses). The fifth instar Helicoverpa armigera ware infected by sublethal doses of HaNPV. 24 hour post infection, partly of survive larvae reared to get their first (NPV-F1) and second filial (NPV-F2). Another survivor induced by hit killed Bacillus cereus, and then its haemocoel were exposed under stereo microscope (total magnification, 60 X) to watch capsules/nodules that appear as black spots on haemolymph. This procedure also conducted to fifth instar larvae of NPV-F1, NPV-F2, control (K-P) and their filial (K-F1 and K-F2), blank and placebo. The result showed that the number of nodules/capsules on larvae were not significant between control and the NPV-treat larvae on every generation, which was about 4 nodules/capsules. It showed that there is no cellular immune respon changed on NPV-P larvae, so their immune ability are similar to larvae K-P. The recoveries of NPV-P larvae cause it have a good capability to produce offspring with good immune response. So, NPV-F1 and NPV-F2 larvae have same ability as K-F1 and K-F2 larvae. It can be concluded that the use of sublethal dosage of HaNPV has not changed formation of capsules/nodules of H. armigera larvae and their offspring.

Perbandingan Prestasi Akademik Mahasiswa Jurusan Biologi Jalur PMJK/PMDK dengan SPMB Hamka, Lodang; Muhiddin, Palennari
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

Â This study aims to determine academic achievement of biology studentÂ PMJK/PMDK, knowing academic achievement of biology students SPMB and find the differences between academic achievement of biology students' PMJK/PMDK with SPMB. Kind of research is ex post facto research with the population are biology student whole Â academic year 2008/2009 and samples include (1) Line SPMB taken by way of purposive sampling as many as 168 students of class 2005, 2006 and 2007. (2) Line PMJK taken entirely in force in 2005, 2006 and 2007 are still active that is counted 168 people. Data collection techniques using secondary data is student GPA data 2005, 2006 and 2007. GPA is calculated until the second semester academic year 2008/2009. Further data are analyzed quantitatively with percentages and inferential analysis with t test. The results of analysis of research data obtained by the average GPA of students and PMK SPMB line is 2.958 and the result t-test = 0:01, P = 0999. The research concluded that academic achievement ofÂ biology studentÂ PMJK/ PMDK and SPMB Â is very satisfy category with average GPA = 2,958 and there was no difference academic achievement of biology student PMJK/PMDK and SPMB.

Penerapan Pendekatan Struktural Think-Pair-Share (TPS) dalam Upaya Peningkatan Hasil Belajar dan Aktivitas Siswa SMA Negeri 1 Tellu Limpoe Akmal, .
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

This research was a Classroom Action Research which intended to knowÂ whetherÂ the application of StructuralÂ Â Think Pair Share (TPS) approach could improve the activitity and study result of the students of X-CÂ at SMA Negeri 1 Tellu Limpoe Kabupaten Sidenreng Rappang. The subjects of the research were 38 students of SMA Negeri 1 Tellu Limpoe Kabupaten Sidenreng RappangÂ which consist of 24 femaleÂ and 14 male. The outcomes showed that the application of Structural Think Pair Approach was able to improveÂ the activity and the study result of tha students. The achievement average of the students was 78,72% with 94,73% as the complete score. Besides ,Â there was also improvement to 68,6% of the students activity.

Peningkatan Hasil Belajar Biologi Siswa Kelas XI IPA SMA Negeri 1 Ajangloe Kabupaten Bone Melalui Model Pembelajaran ATI Asia, Muhammadiyah; Syamsu, Rijal
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

This research aims to identify improvement of biological learning achievement through the application of ATI (Aptitude, Treatment, Interaction) learning model onÂ students of Class XI Science 3 SMA 1 Ajangale Bone.Â This research is packaged in classroom action research conducted inÂ cycle repeats.Â Each cycle consisted ofÂ planning, action, observation, reflection andÂ replanning. Data collected through learning achievement test which given after first and second cycle, and then analyzed by descriptive statisticsÂ quantitative.Â The results showed thatÂ implementation of the ATI (Aptitude, Treatment,Â Interaction) learning model can improve biological learning achievement of the student ofÂ Class XI Science 3 SMA 1 AjangaleÂ Bone.

PENGARUH FITOSTEROL TUMBUHAN LAMUN ( ENHALUS ACOROIDES) TERHADAP FERTILITAS MENCIT (MUS MUSCULUS) ICR JANTAN St. Fatmah, Hiola; Adnan, .; Arsad, Bahri
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

In Indonesia, the high growth of population is special problem. Because of that, the government had to done something to holding the rate population problem, that one of them is Planning Family (KB) in national program. Increased of rate acceptor KB can give effect to contraception logistic crisis, so it can be decreased logistic supply. By the way, the development of contraception from plant is one of alternative that can do it. Indonesia is tropical country that have richness flora. More than 940 species that has planting and used be herbal medicine or traditional medicine and from 75th family are more than 225th plant species that used be contraception material. One of them is sea grass (Enhalus acoroides) because it?s contained steroid, that?s can be isolated from all of body plant, like roots, rhizome, and leaf. Fitosterol on leaf sea grass is very potential that it had to explore in biology aspect. It?s very important in supply steroid, to be contraception material and or medicine. This research aimed to knows the influence fitosterol of sea grass (Enhalus acoroides) to fertility of Mencit (Mus musculus) male ICR. There are four experiments (A0= control : just give it to mencit is suspension of fitosterol sea grass and A1, A2, A3 : give it to mencit is dose of fitosterol sea grass with each experiment are 25, 50 and 75 mg/kg per mencit). Rate of mencit in experiment are 60 mencit. The parameter of research are heavy of testis, epididimis and vesikula seminalis, rate and sperm mortality, and so conception from male mencit. Based on the results of that research has been done shows that the fitosterol of sea grass is making influence to mencit, like increasing of heavy of testis, epididimis and vesikula seminalis, and mortality of mencit. But it can decrease of sperm rate and conception of mencit. It?s meaning that the higher dose of fitosterol can make lower of result.

PENINGKATAN HASIL BELAJAR BIOLOGI SISWA MELALUI PENGGUNAAN MODEL PEMBELAJARAN KOOPERATIF MAKE A MATCH PADA KONSEP REPRODUKSI MANUSIA DI KELAS IX B SMP NEGERI 2 PANGSID Ali, Hamdah
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

This research is a Classroom Action Research which was performed in two cycles.The research was intended to know the improvement of Students? Biology learning result through Make a Match Cooperative learning model. The subject of the research was 31 students of IX B class at SMPN 2 Pangsid in the academic year 2008/2009. The data was collected through observation, test, and documentation. The results shown that learning biology through Make a Match cooperative learning model could improve the learning outcomes of the student significantly. Before the application of the model the students? learning outcome got only 50 on average, but after the last cycle applied the outcome achieved 78,55. The score was above the Minimal criteria 70. Therefore it can be concluded that the Make a Match cooperative learning model at IX class SMPN 2 Pangsid can improve the students learning result especially on Human Reproduction concept. Besides that, the research also found out that the students got encouragement to study and to think postively toward the lesson within the process of the research.

Pengaruh Lama Fermentasi dengan Ragi Tape Terhadap Kadar Glukosa pada Umbi Gadung (Disocorea hispida DENNST) Pagarra, Halifah
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

This study is an experiment, consisting of two stages. The first stage aims to find a ways of processing umbi gadung (Dioscorea hispida Dennst) against level of Â HCN; and second phase aims to determine the effect of fermentation by Ragi tape on the concentration of glucose in umbi gadung. Variable in the first stage of research consisted of two types, namely the independent variables such as processing methods and the dependent variable concentration of cyanide in umbi gadung. Â This research using Completely Randomized Design (CRD), consisting of three treatments and one control, comprised of three replications., Namely: Ao: umbi gadung Â without treatment (control); A1: umbi gadungÂ are boiled; A2: umbi gadungÂ which soaked with salt and A3: umbi gadungÂ to be smeared with ash wood. The second stage consists of variables, independent variable is the length of fermentation by ragi tape and the dependent variable glucose concentration umbi gadungÂ flour (Disocorea hispida Dennst). Design used in the study were Completely Randomized Design (CRD), which consists of three treatment groups and one control three repetitions, so there are 12 units of experimental treatments. Each of these treatments are: Po: Flour without fermented umbi gadungÂ ; P1: umbi gadung Â flour is fermented for 72 jam. Test ofÂ glucose concentration with Anthrones yam method. Testing is done in two stages: for 24 hours; P2: umbi gadungÂ flour is fermented for 48 hours; and P3: umbi gadungÂ flour fermented first, to determine the effect of umbi gadungÂ processing methods on the concentration of HCN, to obtain low concentration of tuber and the second HCN: the effect of ragi Â tape length of fermentationÂ of glucose concentration on umbi gadung Â low concentration of HCN. Data obtained were analyzed by analysis of variance FÎ± = 0.05 and followed by LSD Î± = 0.05. The observation indicates that the first stage of processing methods significantly affected the concentration of HCN, the results of LSD Î± = 0.05 there is a difference between treatments, and Â boiling gives the best results with the average results of HCN concentration: 0%, and the observation of the second phase showed that the effect of length of fermentation by ragi Â tape affect glucose concentration, which average at P0: 35.609 ppm; P1: 44.473 ppm; P2: 51.681 ppm; and P3: 91,, 484 ppm. The LSD Î± = 0.05 there is a difference between treatment and at P3: 72 hours showed the best effect with an average glucose level; 91.48 ppm The LSD Î± = 0.05 there is a difference between treatment and at P3: 72 hours showed the best effect with an average glucose level; 91.48 ppm. Can be concluded that the best way because it boiling to Â decrease HCN concentration on umbi gadung and long fermentation by ragit tape: 72-hour glucose concentration can increase umbi gadung flour

Fortifikasi Cita Rasa Cake Melalui Penambahan tepung Sukun Hasil Fermentasi Hartati, Hartati; Rachmawaty, Rachmawaty
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

One of the bread tree utilization is to make it powder. In generally, the bread tree powder has good taste and good condition than tapioca powder. So it can produce many kinds of delicious product. Several kinds of foodÂ that can made from the breadÂ tree powder are cake, pastry, donuts, pudding, kroket, risoles, gethuk, klepon, apem ect. The aim of this research is to know the acceptance number (organoleptik) of cake that made from the bread tree powder from fermentation process if we compare with the cake from wheat flour. This research consist of 3 treatment; A1 (cake from wheat flour), A2 (cake from the bread tree powder) and A3 (cake from the bread tree from fermentation process). The product was tasted by organoleptik test (taste, smell and teksture). Based on the research we know that the taste of A3 product is the most like (62 %) then A1 (48%) and A2 (33 %). The smell of A3 product is the most like (48%) then A1 and A2 (like and dislike just 38%), and the best texture is A1 (67%), A2 (48%).

Penerapan Pembelajaran Model Learning Cycle (Siklus Belajar) untuk Meningkatkan Aktivitas Belajar Siswa Sekolah Menengah Pertama (SMP) Muhiddin, Palennari; Adnan, .
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

This was pre experimental design research with the aim to know student learning activity and study result at the implementation of the learned of learning cycle model. The research was done at state ofÂ Junior High School 24, class VIII4 at odd semester academic year 2009/2010. Research design was pretest and posttest group design. Data's on students learning activity during they study were collected using observation sheet, and study results were acquired by using study's result test. Data's of student activity and study result were analyzed qualitative descriptive and inferential. T test was used to analyzed the differenceÂ between before and after the learned of learning cycle model. The mean of result study's before and after application of learned of the learning cycle model was 48.00 for the pretest and 65.69 for the posttest, and t student value was 11,11 with P=0.000 at Î± = 0.01. The research's result showed that learning activities during the application of learned of learning cycle model generally increase, and the difference was very significance between student learning result before and after the learned of learning cycle model being applied .

Preparasi Kitosan Dari Limbah Udang Windu dan Uji Penurunan Kolesterol pada Kelinci (Oryctolagus cuniculus) secara in vivo A., Muflihunna; A., Muâ€™nisa
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

The study was conducted to examined the effects of chitosanÂ Â on cholesterol rabbit under hypercholesterolemic condition. From 100 g chitin of shrimp produce 55 g chitosan. Total of twelve male rabbits were used for this research.Those rabbits were divided into three groups; (K-)) negative control group, (K+) positive (Hypercholesterolemic) group, which were high cholesterol diet for 7 weeks, P1 and P2 preventive groups , same with group B andÂ supplemented with 5%, 10% chitosan suspension. The results showed that groups which supplemented of chitosan suspension has shown effects on prevent the level of cholesterol,

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Sulawesi selatan

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