Browsing Undergraduate Theses by Submit Date
Now showing items 1-20 of 3463
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Hubungan Dosis Pupuk NPK Plus dan Kapur Dolomit terhadap Produksi Bawang Merah (Allium Ascalonicum L) pada Lahan Gambut di Kabupaten Nias Utara
(Universitas Sumatera Utara, 2025)Most of North Nias Regency is peatland, which is used primarily for rice, rubber and coconut crops. Until now there have been no shallot cultivation activities in North Nias Regency. This study aims to prove the role ... -
Pengaruh Pemberian Pupuk Organik Cair Azolla (Azolla pinnata) dan Biosaka terhadap Pertumbuhan dan Produksi Tanaman Bawang Putih (Allium sativum L.)
(Universitas Sumatera Utara, 2025)Garlic (Allium sativum L.) is an important horticultural crop in Indonesia, widely used as a culinary spice, medicinal ingredient, and cosmetic material. The high consumption level of garlic is not proportional to its ... -
Induksi Keragaman Wortel (Daucus carota L.) Gundaling Sumatera Utara Dengan Radiasi Sinar Gamma
(Universitas Sumatera Utara, 2025)This study aims to determine the value of LD50 and the effect of gamma radiation on carrots (Daucus carota L.) as well as knowing the morphological changes in M1 carrot plants as a result of gamma ray radiation. The research ... -
Keragaman Populasi Liriomyza Spp. (Diptera:Agromyzidae) Serta Tingkat Parasitisasi Parasitoidnya Pada Tanaman Tomat (Solanum Lycopersicum) Dan Kentang (Solanum Tuberosum) Di Kabupaten Karo, Sumatera Utara
(Universitas Sumatera Utara, 2025)Leafminer (Liriomyza spp.) are polyphagous pests that attack a variety plants, making the population of this pest is hard to control in some areas. However the information about leafminer’s spesies that attack on Karo ... -
Pengendalian Penyakit Pasca Panen Antraknosa (Colletotrichum gloeosporioides) pada Buah Stroberi (Fragaria sp.) Menggunakan Beberapa Pelapis Alami (Edible Coating)
(Universitas Sumatera Utara, 2025)Strawberry (Fragaria sp.) an important commodity throughout the world, including in Indonesia. One of the main problems faced is anthracnose disease caused by C. gloeosporioides. This fungus can reduce the productivity of ... -
Karakter Morfologi Keturunan F4 Hasil Persilangan Bebas Tiga Tetua Jagung (Zea Mays L.)
(2025)Corn is a food crop commodity that is often consumed by the Indonesian people. Development of plant varieties needs to be done to produce superior varieties. Combination of several traits is done to obtain certain ... -
Keragaman Populasi Liriomyza spp. (Diptera : Agromyzidae) serta Tingkat Parasitisasi Parasitoidnya pada Tanaman Kacang Panjang (Vigna sinensis L.) di Dataran Rendah Sumatera Utara
(Universitas Sumatera Utara, 2025)Long bean plants are one of the important commodities that deal with pest disturbances, including leafminer flies (Liriomyza spp.), which can reduce production yields. This study aims to identify the diversity of Liriomyza ... -
Pengendalian Penyakit Pascapanen Antraknosa (Colletotrichum gloeosporioides) pada Buah Jambu Biji (Psidium guajava) Menggunakan Pelapis Alami (Edible Coating)
(Universitas Sumatera Utara, 2025)Post-harvest damage to climacteric fruit such as guava (Psidium guajava), apart from being caused by metabolism, can be caused by pathogen infection caused by C. gloeosporioides. The use of natural coatings with plant ... -
Uji In Vitro Ekstrak Lengkuas (Alpinia galanga W.) dan Serai Wangi (Cymbopogon nardus L.) Sebagai Biofungisida untuk Mengendalikan Penyakit Antraknosa (Colletotrichum gloeosporioides) pada Tanaman Cabai Rawit (Capsicum frutescens)
(Universitas Sumatera Utara, 2025)Cayenne pepper (Capsicum frutescens L.) is an inseparable vegetable commodity, used as a spice and in the pharmaceutical industry because it is rich in vitamins. Anthracnose is caused by the fungus Colletotrichum ... -
Analisis Gugus Fungsional pada Beberapa Biochar Hasil Teknik Retort dan Kiln
(Universitas Sumatera Utara, 2025)The quality of biochar produced is determined by the type of biomass and pyrolysis technique used. The results and quality of biochar can be determined, among other things, by identifying the compounds contained within it ... -
Persilangan Full Dialel Dua Tetua Kultivar Lokal asal Kabupaten Padang Lawas Sibara dan Sibayur dengan Varietas Unggul Baru Fatmawati
(Universitas Sumatera Utara, 2025)Rice (Oryza sativa L.) is a staple food crop consumed in large quantities compared to other food crops. Increasing rice production is necessary to keep pace with population growth and reduce rice imports. The use of ... -
Pertumbuhan dan Produksi Tanaman Pegagan (Centella asiatica (L.) Urban) terhadap Pemberian Kompos Tongkol Jagung dan Pupuk Organik Cair Kombinasi Bonggol Pisang serta Daun Kelor
(Universitas Sumatera Utara, 2025)Gotu kola is a medicinal plant that is widely used as a medicine for dermatological and non-dermatological diseases. The demand for gotu kola extract continues to increase but its availability is decreasing due to ... -
Induksi Kalus Tanaman Jintan Hitam (Nigella sativa L.) Secara In Vitro Menggunakan Indole Acetic Acid (IAA) dan Benzyl Amino Purine (BAP)
(Universitas Sumatera Utara, 2025)Black cumin (Nigella sativa L.) is an herbal plant that has various pharmacological and culinary benefits. The production of black cumin in Indonesia is still low, so Indonesia imports black cumin seeds from India, ... -
Pengaruh Pemberian Kolkisin Secara Perendaman dan Tetes terhadap Morfologi Tanaman M1 Okra Merah (Abelmoschus esculentus l.)
(Universitas Sumatera Utara, 2025)ALBERT DAVID STEVANUS MANURUNG. The Effect of Colchicine Application by Soaking and Dropping on the Morphology of M1 Red Okra Plants (Abelmoschus esculentus L.). Supervised ... -
Aplikasi Pupuk Organik Cair dan Pupuk Kandang Ayam terhadap Pertumbuhan dan Produksi Jagung Manis (Zea mays saccharata Sturt)
(Universitas Sumatera Utara, 2025)Sweet corn (Zea mays saccharata Sturt) is one of the food commodities that has experienced increased consumption in Indonesia in recent years. To meet this demand, efforts to increase production are needed, one of which ... -
Pengaruh Beberapa Media Tanam dan Lama Perendaman GA3 terhadap Pertumbuhan Bulbil Porang (Amorphophallus oncophyllus Prain)
(Universitas Sumatera Utara, 2025)Porang (Amorphophallus oncophyllus Prain) is an agricultural crop whose economic value has the potential to continue to increase, but due to continuous land use the availability of top soil is very limited, therefore there ... -
Karakterisasi Morfologi Tanaman Jeruk Siam (Citrus Nobilis) di Kabupaten Karo
(Universitas Sumatera Utara, 2025)ALBERT OREN HARIANJA: Morphological Characterization of Siamese Orange Plants (Citrus nobilis) in Karo Regency supervised by Ir. Revandy Iskandar Muda Damanik, M.Sc., M.Sc., Ph.D. This research aims to characterize and ... -
Pengaruh Ketinggian Tempat terhadap Karakteristik Buah dan Biji Kopi Arabika (Coffea arabica L.) di Kecamatan Siborong-borong Kabupaten Tapanuli Utara
(Universitas Sumatera Utara, 2025)Coffee is one of the leading commodities in the plantation sector in Indonesia. The third highest coffee production is in North Sumatra Province, with the highest distribution found in North Tapanuli Regency. Siborong-borong ... -
Pengaruh Ketinggian Tempat terhadap Karakteristik Buah dan Biji Kopi Arabika (Coffea arabica L.) di Kecamatan Tarutung Kabupaten Tapanuli Utara
(Universitas Sumatera Utara, 2025)Arabica coffee (Coffea arabica L.) is a type of coffee that is widely consumed by most people in the world because it provides many health benefits. The altitude of the place has a great influence on the size of the fruit ... -
Pengaruh Jumlah Stek dan Jenis Pupuk Kandang terhadap Pertumbuhan dan Produksi Tanaman Ubi Jalar (Ipomoea batatas L.) dalam Karung
(Universitas Sumatera Utara, 2025)This study aims to determine the growth and production of sweet potato against different numbers of cuttings and types of manure planted in sacks. This research was conducted in Aek Kanopan, Kualuh Hulu District, North ...