Browsing Skripsi Sarjana by Advisor "Bakti, Darma"
Now showing items 1-20 of 21
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Beberapa Aspek Biologi Wereng Perut Putih (Stenocranuspacificus Kirkaldy) (Hemiptera: Delphacidae) pada Tanaman Jagung (Zea mays L.) di Rumah Kasa
(Universitas Sumatera Utara, 2018)S. pacificus is a new invasive pest that causes severe damage on corn plants in Lampung. S. pacificus had attacked corn plants in North Sumatra based on data from Deli Serdang District Agriculture Office and observations ... -
Efektivitas Fungisida Berbahan Aktif Metalaksil Terhadap Pertumbuhan Phytophtora infestans (Mont.) de Bary Penyebab Penyakit Hawar Daun Kentang (Solanum tuberosum L.) di Dataran Tinggi Karo dan Laboratorium
(Universitas Sumatera Utara, 2019)Kentang (Solanum tuberosum L.) termasuk jenis tanaman sayuran semusim, berumur pendek, dan berbentuk perdu atau semak. Dalam budidaya komoditas ini sering terdapat gangguan oleh organisme pengganggu tanaman (OPT). Salah ... -
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 ... -
Karakterisasi Molekuler Elaedobius kamerunicus Faust. (Coleoptera : Curculionidae) Asal Sumatera Utara Menggunakan Sekuen DNA
(Universitas Sumatera Utara, 2016)Bayu Syahputra. 2017. Karakterisasi Molekuler Elaedobius kamerunicus Faust. (Coleoptera : Curculionidae) Asal Sumatera Utara Menggunakan Sekuen DNA. Di bawah bimbingan Darma Bakti dan Mukhtar Iskandar Pinem. Elaedobius ... -
Keanekaragaman Makrofauna Tanah pada Tanaman Cabai (Capsicum annuum L.) dengan Penggunaan Mulsa Organik dan Anorganik di Dataran Rendah
(Universitas Sumatera Utara, 2020)Chili is the one of vegetable commodities that has a great prospects to be developed. The one act to increase production of chili with organic and inorganic mulching. In addition to increasing the production, mulch can ... -
Pemetaan Penyakit Bercak Coklat Sempit (Cercospora Oryzae Miyake) Pada Tanaman Padi (Oryza Sativa L.) Di Sumatera Utara
(Universitas Sumatera Utara, 2020)Fifi Anna Sari Simanjuntak 2020:" Distribution of narrow brown leaf spot disease of rice (Cercospora oryzae Miyake ) in North Sumatra". Under the supervision of Irda Safni and Darma Bakti. Brown spot disease caused by the ... -
Pengaruh Pemberian Pakan Buatan Terhadap Perkembangbiakan Kepik Pembunuh Rhinocoris fuscipes F. (Hemiptera: Reduviidae) di Laboratorium
(Universitas Sumatera Utara, 2018)Pesticides can have a negative impact on the agricultural environment and human health, R. fuscipes is a predator that plays a role in controlling plant pests. This study aims to determine the effect of some ... -
Pengujian Pembungkusan dan Penggunaan Atraktan untuk Mengendalikan Lalat Buah (Bactrocera dorsalis Hendel) Jambu Biji (Psidium guajava L.)
(Universitas Sumatera Utara, 2020)Cynthia Zulina. 2020 “Pengujian Pembungkusan dan Penggunaan Atraktan Untuk Mengendalikan Lalat Buah (Bactrocera dorsalis Hendel) Jambu biji (Psidium guajava L.)” Dibimbing oleh Prof. Dr. Ir. Darma Bakti, MS. dan Ameilia ... -
Perilaku Rhynocoris fuscipes F. (Hemiptera: Reduviidae) Sebagai Pemangsa Ulat Pemakan Daun Kelapa Sawit Spodoptera litura F. (Lepidoptera: Noctuidae) dan Setora nitens W. (Lepidoptera: Limacodidae)
(Universitas Sumatera Utara, 2018)Spodoptera litura is a main pest in horticultural crops that currently attack oil palm leaves, besides Setora nitens is also main leafworm on palm oil that can reduce production. Rhynocoris fuscipes is a generalist predator ... -
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 Efektifitas Jamur Entomopatogen Metarhizium anisopliae dan Beauveria bassiana Terhadap Spodoptera litura (Lepidoptera: Noctuidae) Kelapa Sawit di Laboratorium
(Universitas Sumatera Utara, 2018)S. litura is the new pest becoming on oil palm. M. anisopliae and B. bassiana is fungus that can infect and cause death in various insect orders. This research was to examine the effectiveness of M. anisopliae and B. ... -
Uji Efikasi Biofungisida Bahan Aktif Trichoderma harzianum Terhadap Penyakit Blas (Phyricularia oryzae) pada Tanaman Padi di Lapangan
(Universitas Sumatera Utara, 2019)Trichoderma harzianum Biofungicide applied to suppress Blast disease (Phyricularia oryzae). The objective of the research was to know the efficacy test of Trichoderma harzianum biofungicide on blast disease (Phyricularia ... -
Uji Ketahanan Beberapa Varietas Tanaman Kedelai (Glycine max L.) Terhadap Hama Lamprosema indicata F.
(Universitas Sumatera Utara, 2019)M. Dirga Patria. 2019. “Uji Ketahanan Beberapa Varietas Tanaman Kedelai (Glycine max. L) Terhadap Hama Lamprosema indicata F.” Dibimbing oleh Prof.Dr.Ir.Darma Bakti, MS. dan Ameilia Zuliyanti Siregar, S.Si., M.Sc., Ph.D. ... -
Uji Ketahanan Beberapa Varietas Ubi jalar Terhadap Hama Boleng Cylas formicarius Fabricus (Coleoptera : Curculionidae) di Dataran Tinggi
(Universitas Sumatera Utara, 2018)The aim of this research was to find out the resistance of some variety of Sweet Potato Against Plant Pests Boleng (Cylas formicarius Fabricus (Coleoptera: Curculionidae) in the Highlands. This Research conducted in the ... -
Uji Ketahanan Beberapa VarietasUbi Jalar Terhadap Hama Boleng Cylas formicarius Fabricus (Coleoptera: Curculionidae) di Dataran Rendah
(Universitas Sumatera Utara, 2018)Cylas formicarius is the main pests on sweetpotatoes and spread throughout the world. An effort that can be used to decrease the attack of sweetpotato weevil is to use sweetpotato varieties that contain high beta-carotene.The ... -
Uji Ketinggian dan Perangkap Atraktan untuk Mengendalikan Hama Penggerek Buah Kopi (Hypothenemus hampei Ferr.) (Coleoptera: Scolytidae) di Tanjung Beringin, Kabupaten Dairi
(Universitas Sumatera Utara, 2019)This researchwas aimed to study the height and types of attractant traps that effectively control coffee berry borer (H. hampei Ferr.) in the field. The method used was Factorial Randomized Block Design (RBD) with 2 factors ... -
Uji Konsentrasi Pakan Madu Terhadap Keperidian Predator Plesiochrysa ramburi (Schneider) (Neuroptera: Chrysopidae)
(Universitas Sumatera Utara, 2020)Doris Ifanny Silalahi, 2020. " Concentration Assay of Honey for Plesiochrysa ramburi (Schneider) (Neuroptera: Chrysopidae) Predator Fecundity", supervised by Maryani Cyccu Tobing and Darma Bakti. Pl. ramburi is one of the ... -
Uji Preferensi Predator Sycanus dichotomus (Hemiptera: Reduviidae) terhadap Beberapa Ulat Pemakan Daun Tanaman
(Universitas Sumatera Utara, 2017)This research had two activities: the first type using Completely Randomized Design (CRD) factorial consisting of two factors: stadia of predators and caterpillars with 12 treatments and three replications. The second type ... -
Uji Preferensi Semut Rangrang Oecophylla smaradigna (Hymenoptera: Formicidae) terhadap Hama Siput Tidak Bercangkang (Parmarion pupillaris (Humb.) (Gastropoda:Parmarionidae) dan Ulat Grayak (Spodoptera litura) (Lepidoptera: Noctuidae) pada Tanaman Kelapa Sawit
(Universitas Sumatera Utara, 2018)Spodoptera litura is a main pest in horticultural crops that currently attack oil palm leaves, besides P . pupillaris is also main leafworm on palm oil that can reduce production. Oecophylla smaradigna is a generalist ...