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All Journal AGROEKOTEKNOLOGI Jurnal Mantik Penusa Jurnal Serambi Engineering

Edison Purba

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Author-ID : 3055577

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Environmental Science

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RESPONS DOSIS BIOTIP Eleusine indica RESISTEN-GLIFOSAT TERHADAP GLIFOSAT, PARAKUAT, DAN GLUFOSINAT Lia Andayani Lubis; Edison Purba; Rosita Sipayung
Jurnal Agroekoteknologi Vol 1, No 1 (2012)
Publisher : Universitas Sumatera Utara

ABSTRACT Dose response of Eleusine indica biotype Glyphosate-resistance to Glyphosate, Paraquat, and Glufosinate. Goosegrass (Eleusine indica) is one of weeds commonly found in oil palm plantation of which is getting more difficult to control with glyphosate during the last few years in Adolina Estate, PTPN IV. This study aims to determine the dose response of the putative resistant population to three herbicides, glyphosate, paraquat, and ammonium glufosinat along with susceptible population which was never exposed to herbicide previously. The rates of glyphosate applied were 0, 120, 240, 360, 480, 600, 720 g a.i. ha-1; paraquat at 0, 50, 100, 150, 200, 250, 300 g a.i. ha-1 and ammonium glufosinat at 0, 110, 220, 330, 440, 550, 660 g a.i. ha-1. The treatments were arranged in randomised block design (RBD) and each treatment was made in three replicates. The results showed that the putative glyphosate- resistant population collected from Adolina Estate was multiple resistant to glyphosate, and paraquat. On the other side, the ammonium glufosinate was satisfactorily control the population. The level of resistance to glyphosate and paraquat were seven and 56 fold of the susceptible population respectively. Keywords: Glyphosate, Paraquat, Glufosinate, herbicide, Eleusine indica, resistance ABSTRAK Respons dosis biotip Eleusine indica resisten-glifosat terhadap glifosat, parakuat, dan glufosinat. Gulma Eleusine indica merupakan salah satu gulma yang biasa ditemukan di perkebunan kelapa sawit yang selama beberapa tahun terakhir telah diketahui semakin sulit untuk mengendalikannya dengan glifosat di Kebun Adolina, PTPN IV. Penelitian ini bertujuan untuk mengetahui respons dosis populasi yang diduga resisten terhadap tiga herbisida, glifosat, parakuat, dan ammonium glufosinat menggunakan populasi resistensi yang pernah disemprot herbisida sebelumnya. Taraf dosis glifosat yang digunakan, yaitu 0, 120, 240, 360, 480, 600, 720 g b.a./ha; parakuat pada 0, 50, 100, 150, 200, 250, 300 g b.a./ha dan ammonium glufosinat pada 0, 110, 220, 330, 440, 550, 660 g b.a./ha. Perlakuan disusun dalam rancangan acak kelompok (RAK) dan setiap perlakuan dibuat dalam tiga ulangan. Hasil penelitian menunjukkan bahwa populasi resisten-glifosat yang berasal dari Kebun Adolina terjadi resistensi ganda pada glifosat dan parakuat. Di sisi lain, ammonium glufosinat secara memuaskan dapat mengontrol populasi. Tingkat ketahanan terhadap glifosat dan parakuat masing-masing tujuh dan 56 kali lipat dari populasi resisten. Kata kunci: Glifosat, Parakuat, Glufosinat, herbisida, Eleusine indica, resistensi

UJI EFIKASI HERBISIDA GLIFOSAT TERHADAP PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS JAGUNG PRODUK REKAYASA GENETIKA Tony Caesar; Edison Purba; Nini Rahmawati
Jurnal Agroekoteknologi Vol 1, No 1 (2012)
Publisher : Universitas Sumatera Utara

ABSTRACT The study on the efficacy of glyphosate on the growth and yield of genetically modified corn varieties. The study aims to determine the efficacy of glyphosate on the growth and yield two varieties of genetically modified corn. The study was carried out at “Balai Benih Induk”, Tanjung Selamat, Medan from March to June 2012. Four treatments namely stacked genetically modified corn “X” x genetically modified corn “Y” (sprayed with glyphosate), genetically modified corn “X” (no glyphosate application, manual weeding), genetically modified corn “Y” (sprayed with glyphosate), hybrid DK979 (no glyphosate application, manual weeding). The result showed that glyphosate did not affect genetically modified corn. Keywords: glyphosate, varieties, corn, tolerant ABSTRAK Uji efikasi herbisida glifosat terhadap pertumbuhan dan produksi beberapa varietas jagung produk rekayasa genetika. Penelitian ini bertujuan untuk mengetahui efikasi herbisida glifosat terhadap pertumbuhan dan produksi dua varietas jagung produk rekayasa genetika. Penelitian dilaksanakan di Balai Benih Induk Tanaman Palawija, Tanjung Selamat, Medan pada bulan Maret sampai dengan Juni 2012. Empat perlakuan yaitu Jagung stacked PRG ”X” x PRG ”Y” (disemprot dengan glifosat), Jagung PRG ”X” (tanpa glifosat, disiang manual), Jagung PRG ”Y” (disemprot dengan glifosat), Jagung hibrida DK979 (tanpa glifosat, disiang manual). Hasil penelitian menunjukkan bahwa herbisida glifosat tidak berpengaruh nyata terhadap keracunan jagung produk rekayasa genetika. Kata kunci: glifosat, varietas, jagung, toleran herbisida.

Respons Pertumbuhan dan Hasil Sorgum (Sorghum bicolor (L.) Moench) Terhadap Wika Simanjuntak; Edison Purba; T Irmansyah
Jurnal Agroekoteknologi Vol 4, No 3 (2016)
Publisher : Universitas Sumatera Utara

Tujuan penelitian ini untuk mengetahui respons pertumbuhan dan hasil sorgum terhadap jarak tanam dan waktu penyiangan gulma. Penelitian dilaksanakan pada bulan Desember 2014 hingga April 2015 di lahan percobaan Fakultas Pertanian Universitas Sumatera Utara Medan dengan ketinggian 25 meter di atas permukaan laut. Rancangan penelitian yang digunakan adalah Rancangan Petak Terpisah Faktorial. Faktor pertama adalah jarak tanam (70 cm x 30 cm, 70 cm x 20 cm, 70 cm x 10 cm) dan faktor kedua adalah waktu penyiangan gulma (tanpa penyiangan, disiangi 2 minggu setelah tanam, disiangi 4 minggu setelah tanam, disiangi 6 minggu setelah tanam, disiangi 8 minggu setelah tanam, bebas gulma). Hasil penelitian menunjukkan bahwa perlakuan jarak tanam meningkatkan tinggi tanaman, berat basah malai per sampel dan produksi biji per sampel sedangkan pada perlakuan waktu penyiangan gulma meningkatkan tinggi tanaman, jumlah daun umur, diameter batang, berat basah malai per sampel, berat basah malai per plot, produksi biji per sampel, produksi biji per plot, dan bobot 1000 biji. Kata kunci: Jarak Tanam, Waktu Penyiangan Gulma, Sorgum

Critical periode of weed control in Zea mays L. wilter januardi padang; Edison Purba; Eva Sartini Bayu
Jurnal Agroekoteknologi Vol 5, No 2 (2017)
Publisher : Universitas Sumatera Utara

Weeds are really making disadvantages on corn (Zea mays L.). Since they compete to obtain light, water and nutrient. The competition may occur in the beginning until the harvesting time. The aims of this research is to determinate the critical periode of weed control on corn (Zea mays L.). The present study was conducted at exfarming field of corn, Tanjung Sari, Medan selayang. Variable factor being observed were plant height, initiation time of flower, dry weight of grain per sample, dry weight of grains per plot, weight of 100 corn grains, value harvesting indeks, height of weeds, dry weight of weeds and density of weeds. There were 12 treatments conducted, no weeds 2 week after planting : P1, no weeds 4 week after planting : P2, no weeds 6 week after planting : P3, no weeds 8 week after planting : P4, no weeds 10 week after planting : P5, no weeds are found till the harvesting time : P6, weedy until 2 week after planting : P7, weedy until 4 week after planting : P8, weedy until 6 week after planting : P9, weedy until 8 week after planting : P10, weedy until 10 week after planting : P11, weedy until the harvesting time : P12. The treatment were arranged in a randomized block design with three replication. The result showed that the weeding time for corn has non significantly affected to the plant height, dry weight of grains per sample, value harvesting indeks and dry weight of grains per plot, but significantly affected to the weight of 100 grain of corn.The filed of research was dominated by Eleusine indica. The critical periode of corn was happened of 21 day after planting up to 28 days after planting. Key words: corn, critical periode, weed, weeding periode

Co-Authors Eva Sartini Bayu Heni Pujiastuti Lia Andayani Lubis Nini Rahmawati Rosita Sipayung Setiaty Pandia T. Irmansyah Tony Caesar Wika Simanjuntak wilter januardi padang Wirsal Hasan

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