Department of Biology: Recent submissions
Now showing items 61-80 of 1204
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Eksplorasi Mangrove dan Bioakumulasi Timbal (Pb) pada Tiga Jenis Tumbuhan Mangrove Edible di Kawasan Belawan Pulau Sicanang
(Universitas Sumatera Utara, 2024)Lead (Pb) is one type of heavy metal that can interfere with human health. Mangrove vegetation has the ability to accumulate heavy metals, among other Pb found in the environment. Sicanang Island is an area surrounded by ... -
Kajian Etnoprimatologi Orang Utan Tapanuli (Pongo tapanuliensis) Berdasarkan Persepsi Masyarakat Adat di Ekosistem Batang Toru, Sumatera Utara
(Universitas Sumatera Utara, 2024)The ethnoprimatology study of the Tapanuli orangutan (Pongo tapanuliensis) aims to analyze the cultural aspects related to Tapanuli orangutans based on the perceptions of indigenous people in the Batang Toru ecosystem, ... -
Jenis-Jenis Liken di Stasiun Restorasi Tenggulun, Kawasan Ekosistem Leuser (KEL), Kabupaten Aceh Tamiang
(Universitas Sumatera Utara, 2024)Research on liken at the Tenggulun Restoration Station has not been carried out until now. This study aimed to identify the types of liken, analyze secondary metabolite content, and test liken antioxidants on types that ... -
Analisis Mikroplastik pada Ikan Hasil Tangkapan di Sungai Belawan Sumatera Utara
(Universitas Sumatera Utara, 2024)Plastic waste pollution has spread to waters and is currently a serious problem. Plastic in the water will be degraded into microplastics (particle <0.1-5 mm). Research on analysis of microplastics in fish caught in the ... -
Efektifitas Serbuk Daun Sirih Hijau (Piper betle L.) dan Biji Mahoni (Swietenia mahagoni L. Jacq) sebagai Biopestisida Nabati terhadap Mortalitas Kutu Beras (Sitophilus oryzae L.)
(Universitas Sumatera Utara, 2024)Rice has become an important issue, closely tied to inadequate post-harvest handling and storage. Effective post-harvest management is crucial in reducing damage caused by pests, especially Sitophilus oryzae L., which can ... -
Keanekaragaman Serangga Hama pada Tanaman Jagung di UPT Benih Induk Palawija dan Hortikultura Tanjung Selamat Kabupaten Deli Serdang (Studi Kasus)
(Universitas Sumatera Utara, 2024)Corn is a potential crop to be developed, and during its growth period it is often disturbed by insect pests. The level of attack and diversity of insect pests is influenced by the age of the corn plants and air temperature. ... -
Uji Efektifitas Buah Berenuk (Crescentia cujete) dan Bunga Cengkeh (Syzygium aromaticum) sebagai Bioinsektisida terhadap Mortalitas Ulat Grayak (Spodoptera frugiperda) dan Tingkat Kerusakan Tanaman Sawi
(Universitas Sumatera Utara, 2024)Fall armyworm (Spodoptera frugiperda) poses a significant threat to important crops in Indonesia, leading to productivity losses and economic impacts. Botanical insecticides have garnered attention in crop cultivation due ... -
Isolasi Fragmen Gen pib sebagai Gen Ketahanan terhadap Penyakit Blas pada Padi Sigudang (Oryza sativa L.) dari Kabupaten Mandailing Natal
(Universitas Sumatera Utara, 2024)The main disease that assaults rice plants is blast disease, it is caused by the fungus Pyricularia oryzae Cav. Harvest failure due to blast disease occurs in almost of all rice production centre in Indonesia and it results ... -
Hubungan Logam Berat Besi (Fe) dan Tembaga (Cu) terhadap Keanekaragaman Makrozoobenthos di Sungai Belawan
(Universitas Sumatera Utara, 2024)The study concerns of the relationship between heavy metals iron (Fe) and copper (Cu) to the diversity of macrozoobenthos in Belawan River. This research aimed to analyze the content of heavy metals iron and copper in the ... -
Pengaruh Penambahan Benzil Amino Purin (Bap) dan Indole Butyric Acid (Iba) Terhadap Kultur Nodus Bambu Nicaragua (Guadua Angustifolia Kunth.)
(Universitas Sumatera Utara, 2024)Research on the Effect of Benzyl Amino Purine (BAP) and Indole Butyric Acid (IBA) on Nicaraguan Bamboo Node Culture (G. angustifolia Kunth.) was carried out at the G10 Agrotech Laboratory, Jl. Sei Bahorok, District. Medan ... -
Jenis-Jenis Lumut Sejati (Bryophyta) di Kawasan Taman Hutan Raya Bukit Barisan Desa Bandar Baru Kecamatan Sibolangit Sumatera Utara
(Universitas Sumatera Utara, 2024)Bukit Barisan Forest Park located at Bandar Baru Village Sibolangit District, Deli Serdang Regency, North Sumatera is one the forest area which has high diversity. It is a forest area that hasvaried topographic and ecological ... -
Gambaran Histologi Ginjal Tikus (Rattus Norvegicus L.) Jantan yang Diberi Ekstrak Etanol Daun Sambung Nyawa (Gynura Procumbens (Lour.)Merr.) pada Tikus Model Diabetes
(Universitas Sumatera Utara, 2024)Sambung nyawa leaves contain various secondary metabolite compounds such as flavonoids, triterpenoids, polyferols, saponins, steroids, chlorogenic acid, caffeic acid, vanillac acid, coumaric acid, and para hydroxy benzoate ... -
Efektivitas Nanoherbal Daun Haramonting (Rhodomyrtus Tomentosa (Aiton) Hassk) Terhadap Histologi Jantung Tikus Putih (Rattus Norvegicus L.) yang Dipaparkan Allethrin
(Universitas Sumatera Utara, 2024)The use of electric mosquito repellent is a type that is in great demand by Indonesian people because it does not produce smoke, is long-lasting, smells good and is easy to use. However, without realizing it, electric ... -
Pengaruh Pemberian Nanoherbal Biwa (Eriobotrya Japonica Lindl.) terhadap Disfungsi Jantung Tikus (Rattus Norvegicus L.) yang Diinduksi Doxorubicin
(Universitas Sumatera Utara, 2024)Biwa leaves (Eriobotrya japonica Lindl.) contain compounds that have potential as antioxidants. Research on the effect of administering nanoherbal biwa (Eriobotrya japonica Lindl.) on cardiac dysfunction of doxorubicin-induced ... -
Ekstrak Kulit Durian (Durio Zibethinus Murr.) sebagai Renoprotector pada Tikus (Rattus Norvegicus) yang di Induksi 7,12-Dimetilbenz-[Α] Antrasena (DMBA) Ekstrak
(Universitas Sumatera Utara, 2024)Durian fruit peel extract (Durio zibethinus Murr.) contains bioactive compound terpenoids, flavonoids, phenols and alkaloids. These bioactive compounds can be chemopreventive agents to prevent cancer development, to ... -
Kadar Klorofil dan Stomata Daun Glodokan Tiang (Polyalthia Longifolia) di Beberapa Lokasi Sumatera Utara Terpapar oleh Timbal (Pb)
(Universitas Sumatera Utara, 2024)The research of the chlorophyll and stomata levels on Ashoka Tree (Polyalthia longifolia) from several locations at Sumatera Utara exposed to lead (Pb), was conducted since January until June 2023 at Laboratorium Fisiologi ... -
Respon Pertumbuhan Jagung Manis (Zea Mays L.) Akibat Pemberian Pupuk Organik Cair (Poc) Kulit Buah Durian (Durio Zibethinus Murr.)
(Universitas Sumatera Utara, 2024)This study aims to determine the response of sweet corn (Zea mays L.) plants to the application of durian peel liquid organic fertilizer (POC) and determine the best concentration of durian peel liquid organic fertilizer ... -
Isolasi Fragmen Gen pup1 sebagai Gen Ketahanan terhadap Penyakit Blas pada Padi Sigudang (Oryza Sativa L.) dari Kabupaten Mandailing Natal
(Universitas Sumatera Utara, 2024)One of the common diseases that attack rice plants in Indonesia is blast disease. It is caused by the fungus Pyricularia oryzae. The characteristic of this disease is characterized by the presence of necrotic, so because ... -
Deteksi Molekuler White Spot Syndrome Virus (WSSV) pada Komoditas Kepiting Bakau (Scylla sp.) Menggunakan Nested Pcr di Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2024)White Spot Syndrome Virus (WSSV) is a DNA virus classified into Nimaviridae family and the only type of the genus Whispovirus. WSSV causes white spot disease and also causes mortality in shrimp. WSSV is not only found in ... -
Seleksi Jamur Endofit Penghasil Lipase dari Daun Kelapa Sawit (Elaeis Guineensis Jacq.)
(Universitas Sumatera Utara, 2024)The utilization of endophytic fungi as microorganisms producing extracellular enzymes such as lipase is currently being developed in line with increasing enzyme needs, especially in the industrial field. This research aims ...