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All Journal AGROEKOTEKNOLOGI Analitika : Jurnal Magister Psikologi UMA Jurnal EDUCATIO: Jurnal Pendidikan Indonesia Almufida: Jurnal Ilmu-Ilmu Keislaman Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences IJGIE (International Journal of Graduate of Islamic Education) Jurnal Dakwah dan Komunikasi International Journal of Educational Review, Law And Social Sciences (IJERLAS) Literacy : International Scientific Journals of Social, Education, Humanities RESLAJ: Religion Education Social Laa Roiba Journal

Lahmuddin Lubis

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Author-ID : 2026838

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences Other

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Exploration and Characterization of Microorganisms from Rubber Seed and The Benefits for Rubber Plant Growth (Hevea brassiliensis Muell. Arg.) Dita Amelia Novariza; Lahmuddin Lubis; Suzanna Fitriany Sitepu; Radite Tistama
Jurnal Agroekoteknologi Vol 4, No 1 (2016)
Publisher : Universitas Sumatera Utara

The object of this research are to explore the microorganisms from rubber seed to prevent seed pathogens and beneficial to the growth of rubber plant. The research was conducted in the protection laboratory and greenhouse Sungei Putih Research Center from September to December 2014, using completely randomized design non factorial with 7 treatments and 4 replications. The treatments used are microorganisms exploration of healthy rubber seed, ie M0 (control), M1 (Trichoderma sp.(a)), M2 (Trichoderma sp.(b)), M3 (Aspergillus sp.), M4 (Rhizopus sp.), M5 (Isolates BBK(a)), and M6 (isolates BBK(b)). The results showed that microorganisms exploration from the healthy rubber seed has significant effect on all parameters. The best results to inhibit seed pathogens in the laboratory is Aspergillus sp. at 81.27%. For germinate speed and plants height the best results are Trichoderma sp.(b) at 5.75 days and 28.90 cm. The best results for the length of the root is Trichoderma sp.(a) at 35.10 cm, and for the root weight is Aspergillus sp at 4,91 g. Trichoderma sp.(a), Trichoderma sp.(b), and Aspergillus sp. besides potential as biocontrol agents pathogenic seed by way of seed coating, also has potential as a stimulator of growth and biological fertilizer which can improve the quality of the rubber plant growth. Keywords: rubber plant, antagonistic microorganisms, seed coating, seed pathogens, growth stimulator

Potensi Serangan Hama Kepik Hijau Nezara viridula L. (Hemiptera: Pentatomidae) dan Hama Kepik Coklat Riptortus linearis L. (Hemiptera: Alydidae) pada Tanaman Kedelai di Rumah Kassa dewi sartika; Lahmuddin Lubis; Marheni Sembiring
Jurnal Agroekoteknologi Vol 4, No 4 (2016)
Publisher : Universitas Sumatera Utara

Penelitian ini bertujuan untuk mengetahui potensi serangan hama kepik hijau (N. viridula) dan kepik coklat (R. linearis) pada tanaman kacang kedelai di rumah kassa. Penelitian ini dilaksanakan di Rumah Kasa Fakultas Pertanian Universitas Sumatera Utara pada bulan September sampai dengan Desember 2014. Penelitian ini menggunakan Rancangan Acak Kelompok nonfaktorial yang terdiri dari 3 perlakuan yaitu Kontrol, R. linearis dan N. viridula dengan 9 ulangan. Hasil penelitian menunjukkan bahwa intensitas serangan hama R. linearis lebih tinggi dibanding N. viridula. Hal ini terlihat dengan persentase serangan tertinggi terdapat pada perlakuan R. linearis yaitu 81,36%. Jumlah populasi telur dan nimfa tertinggi terdapat pada perlakuan R. linearis dengan rata-rata 16,00 butir dan 8,11 ekor. Tingkat produksi pada perlakuan R. linearis sebesar 13,92 g. Sedangkan pada perlakuan N. viridula dan kontrol, persentase serangannya sebesar 51,66% dan 0,00%. Jumlah populasi telur dan nimfa pada perlakuan N. viridula dan kontrol sebesar 10,22 ; 0,00 butir dan 5,00 ; 0,00 ekor. Tingkat produksi pada perlakuan kontrol dan N. viridula sebesar 26,41 g dan 16,73 g.

Co-Authors Abdul Fikri Ginting Amran Pikal Siregar Andri, Anri Saputra Ari Oldwin Sitorus Bustami Bustami Delima, Wirda dewi sartika Dita Amelia Novariza Erni Suyani Indri Sari Khoiriyah Nurul Abdulloh M.Fauzi Lubis Marheni Sembiring Nina Safitri Nurussakinah Daulay Daulay Pamonoran Siregar RADITE TISTAMA Rafika Nisa Rijal Sabri Rizki Rafika Simon Alex Kristison Manurung Siti Hadijah Lubis Suaidah Lubis Surya Pratama, Edi Suzanna Fitriany Sitepu, Suzanna Fitriany

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