Browsing Skripsi Sarjana by Advisor "Lisnawita"
Now showing items 1-20 of 24
-
Deteksi Aphelenchoides besseyi pada Berbagai Varietas Padi (Oryza sativaL) di Sumatera Utara
(Universitas Sumatera Utara, 2017)Nematode that cause white shoot disease (Aphelenchoides besseyi) is one of the important parasites in rice because it can reduce production up to 71%.Information on the presence of white shoot disease on rice plants caused ... -
Deteksi Bakteri Patogen Terbawa Benih Burkholderia glumae (Penyakit Bakteri Hawar Malai) pada Beberapa Varietas Benih Padi (Oryza sativa L.) di Sumatera Utara
(Universitas Sumatera Utara, 2018)The purpose of the study was to determine the presence of bacterial panicle blight disease by B. glumae in several varieties of rice seeds in North Sumatera. This research was conducted at Plant Disease Laboratory, Faculty ... -
Evaluasi Virulensi Ganoderma sp. pada Bibit Kelapa Sawit yang Ditanam pada Beberapa Ordo Tanah
(Universitas Sumatera Utara, 2016)Rabiatul Alfani D. 2016. ”Virulence Evaluation of Ganoderma sp. On Palm Trees Which Planted in several soils orders”. Under supervision of Lisnawita and Fatimah Zahara. Basal Stem Rot (G. boninense) continues to hurt the ... -
Jenis dan Populasi Serangga Hama pada Perkebunan Kopi Arabika dan Robusta di Desa Juma Lubang dan Desa Tumangger
(Universitas Sumatera Utara, 2018)This research aims to determine the type and population of insects on the land of Arabica coffee and Robusta coffee and to know the types of pests and natural enemies in the Juma Lubang and, Tumangger villages. The research ... -
Keanekaragaman Serangga pada Pertanaman Bawang Merah (Allium ascalonicum L.) dengan Sprinkler dan Tanpa Sprinkler di Desa Paropo, Kecamatan Silahisabungan, Kabupaten Dairi
(Universitas Sumatera Utara, 2018)This study was to find out kind of insects, insect diversity index and dominant pest beetwen using sprinkler and without sprinkler in onion (Allium ascalonicum L.) field in Paropo, Silahisabungan, Dairi. This research was ... -
Keanekaragaman Serangga pada Tanaman Bawang Merah (Allium ascalonicum Linn) dengan Budidaya Secara Semi Organik dan Konvensional di Kabupaten Simalungun
(Universitas Sumatera Utara, 2018)Pest is one of the factors that affect productivity of shallot. Study of diversity of insects is the first step in the prevention of pests in plants. The purpose of this research is to compare the diversity of insects on ... -
Keragaman Jamur Antagonis pada Rhizosfer Tanaman Karet (Hevea Brassiliensis Muell.Arg.) Sehat dan Terserang Jamur Akar Putih (Rigidoporus Microporus (Swartz: Fr) yang Berpotensi sebagai Agens Antagonis
(Universitas Sumatera Utara, 2018)This study aims to determine the diversity of antagonistic fungi found in the soil around root (rhizosphere) healthy rubber plants and attected White Root disease that has the potential to control white root disease. This ... -
Pengaruh Bahan Organik dan Mikroba Antagonis (Trichodermaviridedan Trichoderma harzianum) terhadap Dominansi Nematoda PuruAkar(Meloidogynespp.) pada Tanaman Kentang di Lapangan
(Universitas Sumatera Utara, 2017)Root gall which is caused by nematode Meloidogyne is one of threat for the production of potato plantation in Indonesia. Currently, biological controlling by using antagonist microbes and adding organic matters are more ... -
Pengaruh Pemberian Berbagai Dosis Pupuk N terhadap Tingkat Serangan Ulat Grayak (Spodoptera litura F.) pada Tanaman Kedelai (Glycine max L.)
(Universitas Sumatera Utara, 2020)LIANA AYU DAYANA. 2020 “Pengaruh Pemberian Dosis Pupuk N terhadap Tingkat Serangan Spodoptera litura F. terhadap Kedelai (Glycine max L.) ", di bawah bimbingan Marheni dan Lisnawita. Penelitian ini bertujuan untuk mengetahui ... -
Penggunaan Beberapa Serbuk Tanaman untuk Mengendalikan Keon Mas Pomacea canaliculata Lamarck (Mollusca : Ampullariidae) pada Tanaman Padi di Rumah Kaca
(Universitas Sumatera Utara, 2016)Parlaungan Harahap. 2016. “Potensi Berbagai Tanaman Sebagai Moluskisida Nabati untuk Mengendalikan Keong Mas Pomacea canaliculata Lamarck (Mollusca : Ampullariidae) pada Tanaman Padi di Rumah Kaca”. Di bawah bimbingan ... -
Penyebaran Penyakit Hawar Daun Bakteri (Xanthomonas oryzae pv oryzae) di Sumatera Utara
(Universitas Sumatera Utara, 2020)Bacterial leaf blight (BLB) or commonly called crackle disease and since the 80s this disease is an important disease in rice plants in Indonesia and other rice producing countries in Asia. Bacterium Xanthomonas oryzae pv. ... -
Populasi Parasitoid Larva pada Masa Tanam Berbeda di Lahan Tebu Kebun Tandem Hulu PTPN II Sei Semayang
(Universitas Sumatera Utara, 2018)This research was carried out at Central research and Development of Sugarcane Crop Sei Semayang PTPN II. The method of this research was Randomized Block Design non factorial which conists of 6 palnting periods (block), ... -
Potensi Fusarium Non Patogenik untuk Mengendalikan Fusarium oxysforum f. sp. cubense pada Tanaman Pisang Barangan
(Universitas Sumatera Utara, 2017)F. cubenseis one of the important fungal pathogens causing Fusarium wilt on banana plants. It is can reduce production of crop up to 35 % and even kill banana plants. The control of this phatogen has been done from chemical ... -
Potensi Jamur Antagonis Asal Rizosfer Kentang untuk Mengendalikan Nematoda Puru Akar (Meloidogyne spp.) pada Tanaman Kentang
(Universitas Sumatera Utara, 2017)Evi Utari. 2017. The Potential of Antagonistic Fungi from Potatoes’ Rhizospher for Controlling Root Knot Nematodes (Meloidogyne spp.) in Potato Plants”. Supervised by Hasanuddin and Lisnawita. Potato is one of the supporting ... -
Respon Bibit Tanaman Kelapa Sawit terhadap Infeksi Ganoderma sp. di Rumah Kassa
(Universitas Sumatera Utara, 2016)The purposed of this Research was to find oil palm response between resistant varieties and susceptible varieties to Infection of Ganoderma sp. The research was conducted at Screenhouse and Plant Disease Laboratory, ... -
Serangan Karat Daun Kopi (Hemileia vastatrix Berk & Br.) pada Tanaman Kopi Arabika di Perkebunan Rakyat Kabupaten Mandailing Natal Sumatera Utara
(Universitas Sumatera Utara, 2016)Mandailing Natal regency is productive area coffee yield in North Sumatera.One of the limiting factors of coffee production in the regency is the bout of leaf rust disease caused by Hemileiavastatrix.However, information ... -
Toksisitas Metabolit Skunder Penicillium sp. pada Berbagai Media Kultur untuk Mengendalikan Spodoptera sp. Secara In Vitro
(Universitas Sumatera Utara, 2016)Penelitian untuk mempelajari toksisitas metabolit sekunder Penicillium sp. pada berbagai media kultur untuk mengendalikan Spodoptera sp. (Lepidoptera: Noctuidae) secara in vitro. Penelitian dilakukan di Laboratorium Penyakit ... -
Uji Efektifitas Beberapa Fungisida terhadap Penyakit Bercak Coklat Sempit (Cercospora oryzae Miyake.) pada Tanaman Padi di Lapangan
(Universitas Sumatera Utara, 2019)Cercospora oryzae merupakan patogen yang menyebabkan penyakit dengan gejala lesi panjang dan berwarna coklat yang muncul di permukaan daun sejajar tulang daun. Serangan yang parah akan menimbulkan gejala pada pelepah daun, ... -
Uji Efektifitas Beberapa Jenis Fungisida Terhadap Penyakit Bercak Coklat Sempit (Cercospora oryzae Miyake.) pada Tanaman Padi di Lapangan
(Universitas Sumatera Utara, 2019)Cercospora oryzae is a patogen that causes disease with symptoms of long and brown lesions that appear on the leaf surface parallel to the leaf bone, a severe attack will cause symptoms in the leaves, neck and seeds. ... -
Uji Efikasi Berbagai Bahan Aktif Fungisida untuk Mengendalikan Penyakit Blas (Magnaporthe grisea) pada Tanaman Padi Oryza sativa L.
(Universitas Sumatera Utara, 2019)One of the causes of low rice production in Indonesia is blast disease (Magnaporthe grisea). However in recent years Blast disease has spread to lowland rice plantations and caused crop failure. The purpose of this study ...