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Pendidikan Biologi
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Articles 89 Documents
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UJI BAKTERERIOLOGIS DAGING AYAM BOILER (Gallus gallus domestica) YANG DI JUAL DIPASAR MODERN KOTA PADANG Mulya, Diga; Fifendy, Mades; Fitriani, Vivi
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT When the current food safety issues very interesting people . Almost all food stuffs contaminated with bacteria and is still far in terms of cleanliness . One food that is contaminated chicken meat boiler . Chicken meat is a food of high nutritional value because it is rich in protein , fat , minerals and other substances that the human body needs . This study aims to conduct bacteriological tests on the boiler chicken ( Gallus gallus domestica ) of the modern market in the city of Padang . Descriptive research method . The study was conducted from September 2013 to January 2014 in the Laboratory Kopertis X  West Sumatra  . Sampling was done randomly at 3 modern market in the city of Padang , namely  Robinson Plaza Andalas , Hypertmart Basko Grand Mall and Brothers Mini Market . Further testing in total plate count test and the numbers test Escherika coli . From the research results obtained chicken meat contains boiler plate count bacteria in the range of 28 x 10-6 to 0 x 10-6 per cfu / g sample . Plate count bacteria Escherichia coli with a range of 20 x 10-1 to 56 x 10-1 per cfu / g sample . The conclude that  boiler chicken meat sold in the market town of Padang modern E.coli bacteria contaminated in excess of the maximum li mit of SNI and advised the public to be careful eating chicken boiler . 
KEPADATAN POPULASI BELALANG KEMBARA (Locusta migratoria L.) PADA TANAMAN JAGUNG DI KELURAHAN PISANG KECAMATAN PAUH PADANG safitri, Elza; Oktaria, Rika; Jasmi, Jasmi
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT One of the harmful insects in maize is the wanderer Grasshopper (Locusta migratoria L.). Grasshopper wanderer often found the area under maize cultivation . Grasshopper wanderer, both young (nymphs) and old, eating the leaves of corn plants, thereby reducing the surface area of leaves. Adult grasshoppers usually eat the leaf edges , while his nymph takes in between bones , causing leaves holes in the leaves. If this locust attack in a high number of population, the leaves of corn plants that are attacked will be devoured. In connection with the matter, has done research on  grasshopper  population  density  wanderer  on  corn  in  the  Village  Banana  Padang  Pauh subdistrict which aims to determine the wanderer grasshopper population densities on corn plants in Padang Pauh subdistrict Banana Village. This study was conducted in September-October 2013, with the method sweep (sweeping) is a way to swing a grasshopper inseknet existing wanderer on corn which is used as a place of research. Field sampling conducted on maize age of 1 month and2 months after planting by using inseknet and hands. Widely used as a research area of 20x20 m. Sampling was conducted at five points with a size of 3x3 m at each point. Physical environmental factors measured are temperature and humidity. From the research that has been conducted in the village of Padang Pauh subdistrict Bananas can be concluded that the grasshopper population density wanderer in maize of different ages 1 month to 2 months of age. Wanderer grasshopper populations on corn gained as much as 1 month of age 0.7 individuals/m² (0.3 nymphs and 0.4 imago), population density is lower than in maize aged 2 months gained as much as 1.8 individuals/m² (0,7 nymphs and 1.1 imago). Grasshopper population density wanderer found already included in the criteria pests.
PENGARUH KONSENTRASI GARAM TERHADAP KADAR PROTEIN DAN KUALITAS ORGANOLEPTIK TELUR PUYUH ASIN Marni, Gusti; Amri, Erismar; Wati, Meliya
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Quill eggs are food materials that have many potential because it is very helpful to supple nutrition for societies, especially to supple animals protein. One way of conservations is used salting preservation because it can hamper and kills bacteria in eggs. Due to have been done the research to know the influence of Salt Concentration on protein content and Organoleptic Quality Salted Quail Eggs. This research was conducted at the Regional Sicincin, Pariaman at September 2013 and determines the protein content of  salted  quail eggs done  in  the Laboratory of  Integrated  Koperties X Padang.  The purpose of this research is to know the influence of salt concentration on protein content and organoleptic quality in salted quail eggs. This research used a completely randomize design (RAL) with 5 treatments and 5 replications. Such treatment A (without salt), B (salt 2%), C (salt 4%) and E (salt 8%) were performed for three days. The result shows that the treatment with various concentrations 8% higher protein content compared to other salt concentration. In the organoleptic test with different concentrations of salt texture and aroma values of salt quails eggs obtained results were not significant. Value salty scent of quail’s eggs is highest at 8% concentration of salt and salt quail’s eggs texture values are highest in concentration 2%, while the value of the flavor and color of the salt quail eggs are highly significant. Color values salt quail eggs contained the highest concentration of salt in 8% and the value of quail eggs taste salty at the highest salt concentration 4%.
KEPADATAN POPULASI Helicoperva armigera (Hubner) (Lepidoptera: Noctuidae) PADA TANAMAN TOMAT DI KAMPUNG BATU KECAMATAN DANAU KEMBAR KABUPATEN SOLOK Suherlinda, Suherlinda; Jasmi, Jasmi; safitri, Elza
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Population of fruit caterpillar (Helicoperva armigera) on tomato plants can reduce yield. In the area of Kampung Batu Danau Kembar District of Solok is the most widely caterpillars cause damage to tomato plants. Based on the data obtained from the UPTD Kampung Batu District of Solok, in 2013 stated that in 2011 the production of tomatoes in the amount of 85.46 tons and declined in 2012 to 69.16 tons. In connection with the matter, has done research on population density Helicoperva armigera (Lepidoptera:Noctuidae) on tomato plants in Kampung Batu Danau Kembar District of Solok which aims to determine the population density Helicoperva armigera on tomato plants in Kampung Batu Danau Kembar District of Solok.The study started from August to September 2013 with a descriptive survey method is by way of direct collection of the Helicoperva armigera larvae at the site of research. Field sampling was conducted on tomato plants age of 3 months and 4 months after planting. Physical environmental factors measured are temperature and humidity. Widely used as a study area of about 30 x 20 m. From the research that has been conducted in Kampung Batu Danau Kembar District of Solok acquired traits Helicoperva armigera found on tomato plants in Kampung Batu Danau Kembar District of Solok are long of caterpillar that is found at the age of 3 months and 4 months ranged from 1.5 cm to 3 cm, color of caterpillars were found ranging from yellow-green to brown. The highest population density of fruit caterpillar on tomato plants aged 3 months after planting is 5.40 individual/stem, while the lowest population density of fruit caterpillars on tomato plants aged 4 months after planting is 2.70 individual/stem.
PENGARUH PEMAKAIAN BEBERAPA JENIS DAUN TUMBUHAN TERHADAP PERTUMBUHAN Sitophilus oryzae L. PADA BERAS (Oryza sativa L.) Sari, Desyulita; Lusi, Armein; Safitri, Elza
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Rice is the main food as a source of carbohydrates for most of Indonesian society. Farmers at harvest usually storing rice warehouse. During the storage period of rice will be damaged and shrinkage both in quality and quantity. One cause of the decline in the quality and quantity of stored corps from pest attack is a warehouse. One of the pests that attack warehouse is Sitophilus oryzae L. (Rice beetle). This study aims to determine the effect of the use of several of leaves of plants on the development of Sitophilus oryzae L. in rice (Oryza sativa). This research has been carried out in November to December 2013 Laboratory Biology Education Courses STKIP PGRI West Sumatra. This study used  a  Completely Randomized Design (CRD)  with 5  treatments  and  3  replication. As treatments is A (Control/No leaves), B (Bay leaf), C (Sugar apple leaves), D (Soursop leaf) and E (Red betel leaf). Observed data, that is namely mortality, imago population of Sitophilus oryzae and the percentage of damage caused by the attack of rice Sitophilus oryzae. The data were analyzed by analysis of variance with least significant difference test further (LSD) at the 5% level. The results shomed that the use of some types of plants that bay leaf (Syzygium polyanthum), sugar apple leaves (Annona squamosa), soursop leaf (Annona muricata), red betel leaf (Piper crocatum) significant effect on mortality, Sitophilus oryzae imago population and the percentage of damage caused by the attack of rice Sitophilus oryzae. The leaves are most effective for controlling Sitophilus oryzae attack is red betel leaf (Piper crocatum).
PENGARUH EKSTRAK KULIT BUAH MANGGIS (Garcinia mangostana L.) TERHADAP SIKLUS ESTRUS MENCIT (Mus musculus L. Swiss Webster) Maria Gorette, Julia; Sumarmin, Ramadhan; Widiana, Rina
Pendidikan Biologi Vol 1, No 1 (2014)
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 ABSTRACTMangosteen (Garcinia mangostana L.) is a tropical plant that originated from Southeast Asia. Mangosteenrindis used to treat various diseases, antihistamine, antibacterial, anti-cancer, anti-hypertension and stroke. This study aims to determine the effect of extracts of mangosteen rind (Garcinia mangostana L.) on the estrous cycle of mice (Mus musculus L. Swiss Webster). This study is an experiment used Completely Randomized Design ( CRD ), 4 treatments and 6 replications. Mangosteen peel extract given to mice by gavage for 24 days way. The extract was given to mice at a dose of B 0.2, C 0.4, D 0.6 and Control A 0 g /head/day. Observations made during the estrous cycle of 26 days to review the vaginal smear method with stained Giemsa. The data obtained were analyzed by Analysis of Variance by analyzing the average length of one cycle and each phase of the estrous cycle of mice and Duncan New Multiple Range Test (DNMRT).The results showed mangosteen peel extract can prolong the estrous cycle during the (± 3 days) and extension occurred in all phases of the cycle (proestrus, estrous, and diestrus, metestrus ). Added time proestrus phase of the shortest found in A (1.25 days) and longest in treatment C (2 days). Estrous phase of the shortest found in A (2.13 days) and longest in treatment D (3 days). Metestrus  phase the shortest found in A (1.71 days) and longest in treatment D (3.58 days). Diestrus phase of the shortest found in A ( 1.42 days ) and longest in treatment D ( 3.52 days ). Added estrous cycle at a time (6.5 days), B (9.33 days), C (10.07 days) and D (11.53 days). From these results it can be concluded that mangosteen peel extract given orally prolong the estrous cycle and extension at each phase of the estrous cycle
PENGARUH PENGGUNAAN LEMBAR KEGIATAN SISWA (LKS) DILENGKAPI DENGAN PETA KONSEP TERHADAP HASIL BELAJAR BIOLOGI SISWA DI SMAN 1 KOTO BARU KABUPATEN DHARMASRAYA Yuningsih, Ira; Nurhadi, Nurhadi; Nerita, S.Pd, M.Pd, Siska
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT The background of this research is the students’ low grade in biology subject especially in plants material in students at first grade in SMAN 1 Koto Baru Dharmasraya periode 2013/2014. The purpose of this research is to know about the influence of using students’ work sheet and map. This research is an experimental research. The population of this research is first grade in SMAN 1 Koto Baru Dharmasraya 2013/2014. The technic which is used by the researcher for taking a sample is purposive sampling. However, the instrument which is used by the researcher is final test of students. Therefore, the result of this research show that the using of students’ work sheet and map have an influence to the students’ grade. From the research, the researcher get a score from experiment class the score about 78,96 and the standard deviation is 13,97, even though in control class the score about 68,46 and the standard deviation is 10,99 after the researcher do a t test which t count= 3,16 and t table= 1,675 it means that t count > t table. Based on this result, the hypothesis is accepted with the belive periode about 95%. From this research, the researcher conclude that students’ work sheet has good impact to the students’ result in biology subject at first grade in SMAN 1 Koto Baru Dharmasraya.
HUBUNGAN FASILITAS BELAJAR DAN PERHATIAN ORANG TUA DI RUMAH DENGAN HASIL BELAJAR BIOLOGI SISWA SMAN 1 DANAU KEMBAR KABUPATEN SOLOK Syofianti, Syofianti; Helendra, Helendra; Yulia Sari, Liza
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT This research is motivated by the lack of student learning facilities at home , causing the outcomes students biology learning became low. In addition, parents also rarely pay attention to their learning activities at home , so there are students who do not make the task of repeating the lessons at home and well . The purpose of this study is to examine : the relationship of learning facilities and caring parents at home together on Biology learning outcomesof student at SMAN 1Twin Lakes Solok district. This type of research is descriptive correlational. The population in this study were all students of class X Science and XI Science SMAN 1 Twin Lakes Solok district . Sampling technique in this study is the total sampling that members of the sampled population . Data learning facilities at home and parental concern was obtained from questionnaires , while data from subjects studied biology the value of a mid 1st semester of academic year 2013/2014 were obtained from the teacher . Analysis of the data in this study using the formula product Moment Correlation technique and to test the significance of the correlation coefficient r, can be tested by using the formula t . From the analysis of the data obtained ( 1 ) learning facility at home significantly related to the learning biology outcomes, ( 2 ) significant parental concern related to the  biology learning outcomes and  (  3  )  learning  facilities and  attentive parents are  jointly significantly associated with learning biology outcomes
UJI DAYA HAMBAT EKSTRAK MENIRAN (Phyllanthus niruri L.) TERHADAP PERTUMBUHAN Candida albicans. Pratiwi Yusni, Melsi; Indriati, Gustina; Irdawati, Irdawati
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRAC Meniran ( Phyllanthus. niruri L. ) or known to the sidukuang anak a potent plant can treat a variety of diseases . Meniran ( P. niruri L.) which contains antimicrobial flavonoid, saponin and tanin that can inhibit the growth of C. albicans . Has done research on Power Test Inhibitory Meniran Extract ( Phyllanthus niruri ) on growth of C.  albicans . This study used a Completely Randomized Design ( CRD ) with 7 treatments and 3 replications , treatment begins albothyl 2 % of control ( A ), Concentration 5 % ( B ), concentration of 10 % ( C ), concentration of 30 % ( D ) , Concentration 40 % ( E ) , concentration of 50 % ( F ). Data processed by Analysis Of Variance ( ANNOVA ). This study aims to determine the inhibitory meniran extract ( P. niruri L.) on the growth of C.  albicans , and to determine the most effective concentration of meniran ( P. niruri L.) on the growth of C. albicans has been done in the laboratory of the UNP . From the research that has been done , it can be concluded that the extract meniran ( P. niruri L.) ranging from 5 % concentration was able to inhibit the growth of C.   albicans . The most effective concentration present in a concentration of 20 % .
PENGEMBANGAN HANDOUT BERGAMBAR DISERTAI PETA KONSEP PADA MATERI KLASIFIKASI MAKHLUK HIDUP UNTUK SISWA SMP/MTs Gusdianti, Wiwit; Mulyati, Mulyati; Fitriani, Vivi
Pendidikan Biologi Vol 1, No 1 (2014)
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 In teaching and learning process requires a learning media to   achieve the learning objectives. The forms of learning media that are used was teaching materials. In MTsN Talaok Bayang district , the teachers Only use photocopied of worksheet, , therefore the writer wants to develope it in handout.Irregular writen are made consistent by using thesame font and size, colorful pictures that are suitable with its original, then its position is irregular and completed  with pages and evaluation thats is matched to learning objektives. The aims of this research is to know the validity and practicalities of illustrated hndout with concept maps. This research is the development of  the use of 4-D. The subject of this research consist of 5 validators on the validity of the texts, meanwhile on the practicalities test consists of 2 teacher   and 20 student. The result of validity test ilustrated handout with concept by validator shows that illustrated handout on the valid criteria is 82,69%. The result of practicalities test is 87,24% in a very practical criteria. Based on the research that has been done, it can be concluded that illustrted with concept map in classification of creatures material that produced meets the valid and practical.