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Kota padang,
Sumatera barat
INDONESIA
Pendidikan Biologi
Published by STKIP PGRI Sumatera Barat
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Arjuna Subject : -
Articles 399 Documents
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PENGARUH EKSTRAK KULIT BATANG ANGSANA (Pterocarpus indicus Willd.) TERHADAP KONSUMSI PAKAN WALANG SANGIT (Leptocorisa oratorius Fabricius) Suarna, Mailastri; Sumarmin, Ramadhan; Lusi, Armen
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTWalang rice pest is a pest that attack rice plants after flowering by sucking liquidgrain and causes the grain to be empty or incomplete filling. This pest can reduce not only the results but also degrade the quality of grain such as brown spots on the grain. Angsana bark extract expected to be antifeedant to walang rice pest .The aim of this to determine the effect of angsana bark extract on feed intake Angsana walang rice pest .This research used Completely Randomized Design ( CRD ) with 4 treatments and 8 replications . Angsana bark extract treatment given is 0 % , 2.5 % , 5 % and 7.5 % . Data were analyzed using ANOVA test and if followed by LSD test . The research was conducted in April-June in the Laboratory of Zoology Department of Biology Faculty padang state university.The results showed that in the control treatment searching activity walang rice pest of takes the fastest31 minutes 62 seconds compared to other treatments . For grounding activity found in the fastest the control 19 minutes 34 seconds while on treatment with a gathering activity concentration of 5 % takes a quickes 11 minutes 8 seconds . On feed consumption Angsana bark extract in the treatment and control concentrations of 5  % indicates the average number of the lowest feed intake of 0.53 % . It can be concluded that the influence of Angsana bark extract at a concentration of 5 % can be used as an antifeedantto walang rice pest .  
UJI BAKTERIOLOGIS JAHE GILING (Zingiber officinale Rosc.) YANG DIJUAL DI PASAR RAYA KOTA PADANG Wulandari, Fitri; Periadnadi, Periadnadi; Indriati, Gustina
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT One type of spice that is widely used by housewives or society is made of minced ginger (Zingiber officinale Rosc.). Minced ginger sold in Pasar Raya Padang can not be considered clean and hygienic. This is evident from peeling ginger is not perfect, use the same water over and over again for the next wash ginger, there are also traders who do not wash beforehand ginger and minced ginger stalls adjacent to the chicken traders. Contamination by bacteria in the food can still occur, most potential contamination is suspected bacterium Escherichia coli. The study was descriptive, with no way of seeing whether or not the bacteria Escherichia coli and coliform in the samples milled ginger. The method used to determine the bacteriological quality of minced ginger is the MPN method consists of three stages the estimation test, test and test assertion perfection. This research was conducted in the Laboratory of Microbiology Department of Biology, State University of Andalas Padang. From the test results on the prediction turns out almost all positive samples as well as the confirmation test and the test of perfection, to obtain MPN Index 0-240 cells / ml. It is proved that ginger rollers are sold in Pasar Raya Padang poor quality and not qualified to be consumed.  
PENGARUH EKSTRAK KULIT BATANG ANGSANA (Pterocarpus indicus Willd.) TERHADAP KONSUMSI PAKAN KEPIK PENGHISAP BUAH KAKAO (Helopeltis theivora Wat.) Maulidiyah, Rahmah; Sumarmin, Ramadhan; Wati, Meliya
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT Cocoa pood sucker (Helopeltis theivora Wat.) pests attack the cocoa primordial fruit and shoot. These pests cause damage by piercing and sucking fluids fruit and young shoot. The attack led to the death of the fruit or cause the formation of abnormal fruit, consequently the yield and quality of cocoa beans decreased and the small size. This research aim to determine the effect of bark extract Angsana against exploiters cocoa pood sucker  feed consumption. This research used Completely Randomized Design ( CRD ) with 4 treatments and 6 replications . Given the control treatment (0 %), 2.5 %, 5 %, and 7.5 %. Data were analyzed using analysis of variance test then further by LSD test. This research was conducted at the Laboratory of Zoology Department of Biology Faculty of Mathematics and Natural Science UNP, at July-August 2013. The result showed concentration of 2.5 % activity of searching H. theivora takes the fastest time ( 32 minutes 65 seconds ) than other treatments. Grounding for the activity found in controls fastest time 8 minutes 89 seconds, while the 7.5 % treatment gathering activity is the fastest time 12 minutes 48 seconds. On feed intake, angsana bark extract in the treatment with a concentration of 7.5 % shows the average number of the lowest feed intake of 0.67 grams . It can be concluded that the angsana bark extract at a concentration of 5 % can be used as an antifeedant against H. theivora.  
KEBERADAAN KAPANG PENGKONTAMINASI KEMIRI (Aleurites moluccana Willd.) YANG DIJUAL DI PASAR RAYA PADANG Misdar, Zelvia; Fifendy, Mades; Nurmiati, Nurmiati
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACTHazelnut is the spice material include dried spices sold in seed fotm. Many hazelnut used commoncy in cook eat like that, curry goat, rendang, asam padeh and etc by people. Hazelnut had solded in the Market in the open area and dont use of packaging. The condition like that hazelnut is dray will be easy damp, because it deals directly with the muggy air. It is will make the microorganism easily grow. This study for know the types of moulds contaminating Hazelnut (Aleurites moluccana Willd.) sold in Market. The study used survey method in the field with the simple random sampling technic. Descriptive observation of the isolated moulds that grow on the media, make oblique and identify to species lievel. Result of isolation and identification of a sample Hazelnut (Aleurites moluccana Willd.) found five types of kapang. It is find commoncy contaminants in foods like that, Aspergillus niger, Aspergillus sp.1 suspected Aspergillus flavus, Aspergillus sp.2 suspected Aspergillus oryzae, Penicillium sp. and Rhizopus oryzae. In conclusion hazelnut orkeon in that sold in the Market contaminated by moulds contaminations.
FEKUNDITAS CACING Pontoscolex corethrurus Fr.Mull.PADA MEDIA DENGAN PENAMBAHAN LIMBAH CAIR TAHU Marlina, Septi; Indriati, Gustina; Lusi, Armein
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACTEarthworm is a organism that give multifunction  for human life and living organism in earth. It have the quality is heterotrof. The reproduction growth of eartworm that have the quality is hemaprodite biparental, it is earthworm that have two tool reproduction all at one in one part of body. Reproduction Pontoscolex corethrurus Fr.Mull worm it can be affected with any effect that have given to Pontoscolex corethrurus Fr. Mull with using tofu waste. Base of that have done the research with a goal for know the effects fecundity Postoscolex corethrurus Fr. Mull worm in media with increase of tofu waste. This research use complete random with five treatment and five repeated. The treatment that have given is the control with 0,1%, 0,2%, 0.3% dan 0,4% treatment. The data have analyted with use analysis od varians test if have difference continued with DNMRT test. This research have done in Zoology laboratorium Biology Departmen FMIPA Of Padang  University  state at Juli-August 2013. The result of analysis had foundthat amount cocoon Pontoscolex corethrurus Fr. Mull wormin A, B, C,D and E have difference of total average cocoon . In A treatment amount fourty cocoon is highest total cocoon from total other treatment  this it real difference with other treatments but cocoon total in B, C, D dan E treatment not real difference. In conclusion, tofu waste can be fertility boosters and suitable with the dose requirement. 
JENIS-JENIS KAPANG PENGONTAMINASI CABE GILING DARI BEBERAPA PASAR TRADISIOANAL DI KOTA PADANG Subandini, Nani; Fifendy, Mades; Periadnadi, Periadnadi
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT Ground  cayenne  pepper  is  one  of  the  preparations  that  are  sold  in  the  markets. Cayenne is one food that is often contaminated by soil, dirt and microorganisms. Contamination  can  occur  during  harvesting,  transport,  processing  and  marketing.  The purpose of this study to determine the types of molds contaminating ground pepper. This study uses purposive sampling method with mold growing on Potato Dextrose Agar media and create later identify pure culture. Results of this study are 5 types of molds are milled pepper pengkontaminsi Aspergillus ustus, Aspergillus niger, Aspergillus sp, Rhizopus stolonifer and Penicillium corylophilum. 
TUMBUHAN YANG DIKUNJUNGI LEBAH PEKERJA Apis dorsata Fabr (HYMENOPTERA: APIDAE) DI PALANGKI KECAMATAN IV NAGARI KABUPATEN SIJUNJUNG Yawati, Septri; Jasmi, Jasmi; Rizki, Rizki
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACTApis dorsata Fabr is one of the insects that benefit humans , especially itcan produce honey . Honey bee colony consists of a queen bee , drones and  bees worker. Apis dorsata in life is influenced by the environment one food source availability . Related with that have done research on the plant visit Apis dorsata Fabr bees worker ( Hymenoptera : Apidae ) in Palangki Kecamatan IV Kabupaten Sijunjung on April 2013 with the aim to determine which plants visited by bees Apis  dorsata  Fabr  workers  in  Palangki  Kecamatan  IV  Nagari  Kabupaten Sijunjung . This study uses direct observation of plants visited by bees field workers . The study was conducted one month , once a week starting from 06.00 until 18.00 with a distance of 500 meters from the tree where the colony of Apis dorsata . From the results of research on plant visit Apis dorsata Fabr bees worker ( Hymenoptera : Apidae ) in Palangki Kecamatan IV Nagari Kabupaten Sijunjung within a radius of 500 meters to 30 species and 16 familia . Familia is most commonly found in plants visited Apis dorsata Fabr bees worker ( Hymenoptera : Apidae ) in   Palangki Kecamatan IV Nagari Kabupaten Sijunjung familia Leguminoceae is composed of nine species.  
JENIS-JENIS KAPANG YANG DITEMUKAN PADA LEMANG BERAS HITAM (Oryza sativa Siarang) Osnita, Syovia; Periadnadi, Periadnadi; Fifendy, Mades
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACT Lemang is a traditional food from West Sumatera. Generally, lemang is made of black sticky rice or white sticky rice. In Talang Babungo, is made of black rice (not sticky rice) and still can be consumed eventhough it has been kept for days and has be taken by mould. The purpose of this research is to discover the varieties of mould which exists in black rice lemang.  This  research  uses descriptive survey method  by isolating mould,  making pure seedling, and then identifying. The result of isolating and identifying are found five varieties of mould in that lemang, those are Aspergillus niger, Aspergillus ustus, Aspergillus sp, Mucor racemosus, and Penicillium expansum. 
PENGARUH MEDIA SEMAI TERHADAP PERTUMBUHAN DAN HASIL SEMANGKA (Citrullus vulgaris Schard) Seftiani, Nining Sundara; Eka Putri, Irma Leilani; Meriko, Lince
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACT Watermelon (Citrullus vulgaris Schard) is one of the fruits that are very popular Indonesian society because it tastes sweet, and a lot of water content. Watermelon needs continue to increase while the results are still low. So it is necessary to increase the yield of watermelon. To improve the growth and yield of watermelon watermelon plant development at the start time of seeding. How to nursery and nursery media greatly influence the growth and yield of watermelon. For research that has been carried out from  1 December  2012 to 10February 2013 subdistrict located in Batang Kapas Puppies South Coastal District. In order to know the influence of various media seedling on growth and yield of watermelon seedlings and get a suitable media to the results of a watermelon. This research used Completely Randomized Design (CRD) consisting of 5 treatments and 5 replications. Garden soil, garden soil + river sand , rice husk ash + garden soil, garden soil + cow manure, river sand + soil + rice husk ash garden. Supervision starting at week 2, week 4, week 6 and week 8th after planting. Observation is the observed percentage of live seeds, the number of leaves (pieces), plant height (cm), weight of fruit crops (g). Data were analyzed using analysis of variance and LSD test continued at α level of 5 %. Results showed media soil + river sand is the best medium for the growth of watermelon (Citrullus vulgaris Schard). The results were analyzed with the following variance showed that the use of tangible media to be more influenced seedling crops including watermelon seed alive, number of leaves (pieces), plant height (cm), weight of fruit crops (g). From the results of the research in order to encourage the farmers to use the media in raising crops of watermelon seedlings as more economical .  
AKTIVITAS ENZIM AMILASE JAMUR DARI ISOLAT LEMANG BERAS HITAM (Oryza sativa Siarang) Annisa, Lara; Fifendy, Mades; Periadnadi, Periadnadi
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACK Lemang beras hitam (Oryza sativa Siarang) of Kenagarian Talang Babungo is one of money distinctive Minangkabau foods. Lemang moldy left to get a different taste from the usual lemang. This fungus occurs on chemical procces aided by the amylase enzyme that  functions  to  decompose starch  into  to  units  of simple sugars. Research  has  been performed to determine the activities of fungal amylase enzyme which is isolated from black rice lemang. Researcher was performed in microbiology laboratory of match and science faculty of Andalas Univercity Padang from March from to April in 2013. The researcher used descriptive metode by growing the fungal isolates on rice flour medium (ATB) that aims to identify fungal amylase enzyme which is characterized by the formation of clears areas surrounding the fungal colony. From this research has been successful to rejuvenert the five isolates of the fungus. Amylolitik index is the highest is Penicillium expansum (1,5) and amylolitik index is lowest is Mucor racemosus (0,5). 

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