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All Journal Proceeding International Conference on Global Resource Conservation Planta Tropika Acta Aquatica: Aquatic Sciences Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Martabe : Jurnal Pengabdian Kepada Masyarakat JCRS (Journal of Community Research and Service) International Journal of Basic and Applied Science PERTANIAN TROPIK
Darma Bakti
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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Pola pertumbuhan dan faktor kondisi ikan lemeduk (Barbodes schwanenfeldii) di Sungai Belumai Deli Serdang Provinsi Sumatera Utara Aisyah, Siti; Bakti, Darma; Desrita, Desrita
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 4: No. 1 (April, 2017)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v4i1.317

Abstract

Penelitian ini dilakukan di Sungai Belumai Kabupaten Deli Serdang Provinsi Sumatera Utara pada Bulan Mei dan juni 2014 di empat lokasi yang berbeda dengan menggunakan metode sensus. Tujuan dari penelitian ini untuk mengetahui aspek pertumbuhan (sebaran frekuensi panjang, hubungan panjang bobot, faktor kondisi dan koefisien pertumbuhan). Jumlah ikan lemeduk yang tertangkap adalah 55 ekor. Hasil penelitian menggambarkan bahwa populasi ikan didominasi oleh sebaran ukuran kelas panjang 174-194 mm. Hasil hubungan panjang berat menunjukkan bahwa pola pertumbuhan ikan bersifat allometrik negatif (b=2,565) dimana pertambahan panjang lebih cepat dibandingkan pertambahan berat. Nilai faktor kondisi ikan lemeduk (Barbodes schwanenfeldii) berkisar 0,946-1,059.This research was done in Belumai River Deli Serdang District North Sumatera Province. This research was conducted in May until June 2014 in four different locations by using census method. The purpose of this research is to know the aspect of growt (length frequency distribution, length-weight relationship, condition factor and growth coefficient). The number of lemeduk fish which caught were 55 fish. Result shown that the population is dominate by length frequency distribution 174-194 mm. Result length-weight relationship shown that growth pattern was allometric negative (b=2,565) where the length is faster growth than the weight. The condition factor of lemeduk fish was around 0,946-1,059.
THE DIVERSITY Of FRUIT FLIES IN RED GUAVA CROPS AND PARASITOID PARASITIZATION LEVEL IN DISTRICT DELI SERDANG Sari, Putri Mustika; Bakti, Darma; Tobing, Maryani Cyccu
Journal of Community Research and Service Vol. 1 No. 2: July 2017
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v1i2.9331

Abstract

AbstractMorphological and Molecular of Identification Bactrocera sp. (Diptera: Tephritidae) in 5 Location of Red Guava Crops District Deli Serdang. Fruit flies are a concern in the world because they are an important pest in fruits. Seven species of fruit flies (Bactrocera carambolae, Bactrocera papayae, Bactrocera curcubitae, Bactrocera caudata, Bactrocera albistrigata, Bactrocera tau, Bactrocera umbrosa) have been identified from the morphological identification of fruit flies in LIPI. The fruit fly is obtained from trapping with methyl eugenol, cocoa waste processing, and a mixture of both. Found 2 species of parasitoid (Psytallia sp. near Walker; Psytallia sp. near Walkeri) from the rearing of fruit that was attacked at five locations of red guava plantation district Deli Serdang.Keywords : Bactrocera spp., morphology, atractant, parasitoid
THE IDENTIFICATION OF BACTERIAL SYMBIONT™S OF THE LARVAE ORYCTES RHINOCEROS L. AND THE ROLE OF THE BACTERIA IN COMPOSTING PROCESS Sijabat, Octanina Sari; Marheni, Marheni; Bakti, Darma
Journal of Community Research and Service Vol. 1 No. 2: July 2017
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v1i2.9334

Abstract

AbstractOryctes rhinoceros L. has symbioses with micro organisms in their hind guts which further break down plant material consumed by beetle. The aim of this research is to determine the identification of the existence of the bacterial species in the hind gut larvae of the symbiotic bacteria using biochemical test and analysis based on 16S rRNA. The result of this research indicate that there were two different bacterials: Bacillus siamensis and Bacillus stratosphericus found. The bacteria was used for starting the composting and more specifically, the Bacillus siamensis can speed up composting with the end result at C/N 13.16.Keywords: Larvae O. rhinoceros L, Bacterial Symbionts, 16S rDNA, Composting
PELATIHAN PENGENDALIAN TERPADU HAMA TOMAT DAN TANAMAN SELA KOPI TEPAT GUNA DI DESA MUARA SALADI, KEC. ULU PUNGKUT, KAB.MADINA, SUMATERA UTARA Siregar, Ameilia Zuliyanti; Bakti, Darma; Irsal, Irsal
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 3, No 2 (2020): Martabe : Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v3i2.391-398

Abstract

Community service activities of the Non PNBP Assisted Village Program in Increasing Farmers' Income through Integrated Agriculture in Muara Saladi Village, Ulu Pungkut District, Madina Regency, North of Sumatra. Implemented from May 2020 to October 2020. The approach method used was through potential / problem surveys, socialization, focus group discussions (FDG), training, mentoring activities and evaluation monitoring. Socialization and training were carried out, including Introduction to Soil Types and Land Suitability for Tomato Planting, Knowledge of Cultivation and Integrated Pest Management for Tomato and Vegetable Plants as well as planting of maga oranges and sweet fragrant manga as protective crops on coffee plants. The use of yellow glue traps (YST), Sweep nets and the manufacture of environmentally friendly vegetable pesticides from garlic, papaya and sour sop leaves, through training sessions and practice in tomato plantations is an effective way to manage integrated pest friendly environment. The use of vegetable pesticides in horticultural crops to control pests and diseases. Integrated pests and diseases increase the productivity of vegetables in an appropriate manner so that it supports increased income and welfare of horticultural farmers in Madina.
Co-Authors Ameilia Zuliyanti Siregar Ardina, Ardina Chairani Hanum Chairani Hanum Darmawan Darmawan Desrita Desrita Irsal Irsal Lamria Sidauruk Lisdayani Lisdayani, Lisdayani Marheni Marheni Maryani Cyccu Tobing Nini Rahmawati Octanina Sari Sijabat Retna Astuti Kuswardani Ridwansyah ROSICHON UBAIDILLAH Rosmayati Sari, Putri Mustika Siti Aisyah Tarigan, Adriana Tobing, Maryani Cyccu L. Zulina, Cynthia