Master Theses
Master Theses
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Now showing items 101-120 of 253
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Keanekaragaman dan pola Distribusi Tumbuhan Paku di Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)Research on the diversity and distribution patterns of forest ferns in Aek Nauli Simalungun Regency was held in December 2010 to February 2011. The research location is determined by using Purposive Sampling method an ... -
Kualitas Spermatozoa Sapi Limousin Selama Penyimpanan pada Refrigerator dalam Pengencer Two-Step Tm Extender dengan Suplementasi Kuning Telur bebek
(Universitas Sumatera Utara, 2015)The aim of this research was to study the effect supplementation of Duck egg yolk in two-steptm-extender on motility, viability, and morfology sperm of limousin bull. The research used randomized completely design with ... -
Ikan Batak (Neolissochillus Sumatranus) sebagai Bioindikator Pencemaran Logam Berat Timbal (Pb) dan Kadmium (Cd) di Perairan Sungai Asahan
(Universitas Sumatera Utara, 2013)Research on fish batak (Neolissochillus sumatranus) as bioindicators of heavy metal pollution of Pb and Cd in Asahan river. The samples were taken on January 2013 at 5 stations. Samples were taken were fish and water. ... -
Pengaruh Aplikasi Probiotik terhadap Kualitas Air dan Pertumbuhan Udang Litopenaeus Vannamei
(Universitas Sumatera Utara, 2014)A study on effect of probiotic on water quality and growth of shrimp Litopenaeus vannamei has been conducted. The purpose of this study was to determine the effect of probiotic in improving water quality in shrimp farming ... -
Analisis Kualitas Air Dihubungkan Dengan Kepadatan Makrozoobentos di Perairan Sungai Ular Kabupaten
(Universitas Sumatera Utara, 2013)The Associated of Water Quality Analysis with Makrozoobentic’s density in the waters of the Ular River Deli Serdang regency was conducted in October to November 2012. The location of research in waters of the Ular River ... -
Studi Pemberian Vitamin E atau Vitamin C terhadap Kuantitas dan Kualitas Spermamencit (Mus Musculus L.) yang Terpapar Tuak
(Universitas Sumatera Utara, 2014)This research aimed to determine the effect of vitamin E and vitamin C on the sperm quantity and quality of mouse (Mus musculus L.) which exposed to tuak, an alcoholic beverage made of fermented palm juice. Forty male ... -
Kepadatan dan Distribusi Kepiting Bakau Scylla SPP. Serta Hubungannya Dengan Faktor Fisik Kimia di Ekosistem Mangrove Belawan Sumatera Utara
(Universitas Sumatera Utara, 2013)The research about The density and distribution of mud crab’s Scylla spp. and its correlation to physical and chemichal in mangrove ecosystem Belawan, Medan North Sumatra was done from Mei to Juli 2013. Sample were taken ... -
Viabilitas dan Kemampuan Bakteri Kitinolitik Nr09 dan Bacillus Sp. Bk17 pada Berbagai Media Pembawa Dalam Menghambat Pertumbuhan Sclerotium Rolfsii dan Fusarium Oxysporum pada Benih Cabai Merah (Capsicum Annuum L.)
(Universitas Sumatera Utara, 2014)Fusarium oxysporum dan Sclerotium rolfsii has been known as causal agents of seedling-off of chilli. To control the disease biological control has been used as an alternative to replace chemical control. This study was ... -
Struktur Populasi dan Performa Reproduksi Udang Kelong (Penaeus Indicus) di Perairan Ekosistem Mangrove Belawan Sumatera Utara
(Universitas Sumatera Utara, 2013)Research about structure population and reproductive performance of Indian white prawn (Penaeus indicus) was conducted in May - July 2012 on estuarine water of Belawan’s mangrove ecosystem, North of Sumatera. The aims of ... -
Pengaruh Kitosan terhadap Struktur dan Kadar Residu Pb pada Ginjal Tikus Putih (Rattus Sp.) Jantan yang Dipapari Plumbum Asetat
(Universitas Sumatera Utara, 2013)The study aimed to determine the effect of chitosan on the kidney of rats (Rattus sp.) exposed to lead acetate. Thirty five male animals weighing 250g were divided into 7 groups: K group as a control (without treatment), ... -
Embriogenesis Somatik dari Bunga Betina Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2014)This study entitle somatic embryogenesis from female flowers of oil palm (Elaeis guineensis Jacq.) has been done in tissue culture laboratory university of Sumatera Utara. The purpose of this research are find the best ... -
Isolasi dan Uji Antifungi Ekstrak Metanol, Etil Asetat dan Heksana Bakteri Endofit Dari Akar Tanaman Mentigi (Vaccinium varingaefolium)
(Universitas Sumatera Utara, 2013)Research on the role of endophytic bacteria on protection mechanism against past and diseases of plant and promotion of plant growth by bacteria metabolite has been very midely reported. The research was aimed to know the ... -
Keragaman dan Distribusi Genus Makrozoobentos di Perairan Estuari Belawan Sumatera Utara
(Universitas Sumatera Utara, 2014)Research on Diversity and Distribution of Genera Macrozoobenthos in Belawan Estuary Water, North Sumatra has been done. The research aims to determine the diversity and distribution of genera macrozoobenthos in Belawan ... -
Aktivitas Senyawa Antibakteri Bintang Laut (Asterias Forbesii) terhadap Beberapa Jenis Bakteri Patogen
(Universitas Sumatera Utara, 2014)One such alternative sources of antibacterial compound is derived from sea star. In this study extraction of sea star (Asterias forbesii) has been caried out to obtain antibacterial compounds. To determine bioactive compounds ... -
Pemanfaatan Tumbuhan Sirih-Sirihan (Piperaceae) dan Palem-Paleman (Aracaceae) dalam Kehidupan Masyarakat Melayu di Kecamatan Tanjung Tiram Kabupaten Batubara
(Universitas Sumatera Utara, 2010)The aims of this study are to identify the utilization of plants by Malayan community in using the plants. By documenting the ethnobotany of Malayan community in Tanjung Tiram Subdistrict, it is expected that the community’s ... -
Respon Morfologi dan Fisiologi pada Kelapa Sawit (Elaeis Guneensis Jacq.) terhadap Aplikasi Pupuk Magnesium dan Nitrogen
(Universitas Sumatera Utara, 2013)The aim of the present study is to investigate the physiological and morphological responses to three concentration of magnesium (low,medium and high) and two level nitrogen (with or without) fertilization of oil palm. ... -
Aktivitas Antimikroba Herba Meniran (Phyllanthus niruri L.) terhadap Bakteri dan Khamir Patogen
(Universitas Sumatera Utara, 2011)The aim of this study was to investigate the antimicrobial activity of meniran (Phyllanthus niruri L.) on pathogenic bacteria and yeast. The meniran was extracted with several solvent, such as n-hexane, etyl acetate, and ... -
Isolasi Bakteri Penghasil Antimikroba dari Sampel Tanah Taman Wisata Alam Sibolangit dan Kemampuannya Menghambat Pertumbuhan Mikroba Patogen
(Universitas Sumatera Utara, 2011)A study on isolation and assay of antimicrobial activity of soil bacterial isolates of TWA Sibolangit, North Sumatra has been done. Nutrient agar was used in microbial isolation. Twenty-nine isolates showed different ... -
Isolasi dan Uji Antagonis Bakteri Resisten Antibiotik dari Tambak Udang terhadap Bakteri Penyebab Penyakit Vibriosis
(Universitas Sumatera Utara, 2011)A study isolation and antagonistic assay of antibiotic resistant bacteria of shrimp ponds has been carried out. Resistency test showed that fifteen isolates were resistant to 25 μg amoxicillin, 15 μg erythromycin, 25 μg ... -
Keanekaragaman Plankton dan Hubungannya dengan Kualitas Perairan Muara Sungai Asahan
(Universitas Sumatera Utara, 2010)This study deals with The diversity of Plankton and Its relations with the Quality of Sungai Asahan Mouth’s Waters, the research has been conducted on August 2009. Sample was taken from three stations with three depth ...
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