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All Journal AGROEKOTEKNOLOGI
Agus Eko Prasetyo
Pusat Penelitian Kelapa Sawit Marihat
Agriculture, Biological Sciences & Forestry

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The Effectiveness concentration of some fungicide with mix by peat water on palm oil leaf spot disease (Curvularia sp.) in vitro Deni Yolanda Sinaga; Lahmuddin Lubis; Fatimah Zahara; Agus Eko Prasetyo
Jurnal Agroekoteknologi Vol 5, No 4 (2017)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (341.178 KB) | DOI: 10.32734/jaet.v5i4.16513

Abstract

This research was to study response of  the effectiveness fungicides with different concentrations on the leaf spot disease(Curvularia sp.)in vitro. This research was conducted at Center of Oil Palm Research, Marihat, Pematang Siantar. The method used factorial completely randomized design with three factors and three replications. The first factor was kind of fungisida active ingredients (mancozeb, metalaxcyl, benomyl, buirimat, and tebuconazole), the second factor was water solvent (normal water, shallow peat water (50 cm – 100 cm), medium peat water (101 cm – 200 cm) and depth peat water (201 cm -300 cm)) and third factor was concentrationsof  fungicide(1 ml/l (g/l), 2ml/l (g/l) and 3ml/l (g/l) . The results showed Tebukonazol fungicide active ingredient was able to inhibit the groth of leaf spot leaf disease (Curvularia sp.) and the most effective concentration is 2 ml/l using the medium peat water solvent
Karakterisasi Molekuler Elaeidobius kamerunicus Faust. (coleoptera;curculionidae) Asal Sumatera Utara Menggunakan Metode Amplified Fragment Length Polymorphism (AFLP) Muhammad Riza Fahlevi; Darma Bakti; Suzanna Fitryani Sitepu; Agus Eko Prasetyo
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (740.971 KB) | DOI: 10.32734/jaet.v6i2, April.17427

Abstract

Elaeidobius kamerunicus introduced to Indonesia in Palm Research Center, Marihat. It is one pollinator to pollinate palm. Genetic changes in these insects cause a decline in palm oil production. The purpose of this study to determine the genetic diversity of it based molecular analysis techniques AFLP using three primers. Primers used are HEX (EcoR1 ACA - Mse1 CTT), FAM (EcoR1 AGG - Mse1 CAG) and FAM (EcoR1 AGG - Mse1 CTT). Analysis of genetic diversity using the MEGA program version 6. Phylogenetic tree using 'Neighbor-Joining Tree'. AFLP amplification product to 42 samples of genomic it and 3 Sitophilus oryzae genomic sample as a control showed a high diversity. The analysis showed that itgenetically grouped separately with S. oryzae. It contained in districts in North Sumatra has two large groups : group A1 and A2. Group A1 consisting of Ajamu, Bah Birong Ulu, Binanga, Bukit Sentang, Marihat, Padang Madarsah and PT. TPS Sibolga while the Group A2 consists of two regions, namely Marihat and Bah Birong Ulu while S. oryzae contained in Medan form their own group.
Co-Authors Darma Bakti Deni Yolanda Sinaga Fatimah Zahara Lahmuddin Lubis muhammad riza fahlevi Suzanna Fitryani Sitepu