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All Journal Jurnal Online Mahasiswa (JOM) Bidang Pertanian Jurnal Agroekoteknologi JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Sagu Dinamika Pertanian
Desita Salbiah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering

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Journal : Dinamika Pertanian

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INVENTARISASI PARASITOID ULAT API Setora nitens WLK. (Lepidoptera: Limacodidae) ASAL PERKEBUNAN KELAPA SAWIT DI KECAMATAN PERHENTIAN RAJA KABUPATEN KAMPAR PROVINSI RIAU Boris Satriyo Situmorang; Rusli Rustam; Desita Salbiah
DINAMIKA PERTANIAN Vol. 32 No. 2 (2016): Jurnal Dinamika Pertanian Edisi Agustus 2016
Publisher : UIR Press

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Abstract

Setora nitens Wlk. is a palm oil leaf-eating larvae that dominantly existed in Riau Province. Setora nitens could causing a significant losses if there is no control for their population growing. Parasitoids are included as the biological control agent which can be used as a natural enemies to sppress the population density of Setora nitens in palm oil plantation. This research aims to inventorizing the parasitoids, calculating both rates of parasitism and sex ratio of parasitoids that could parasitizing Setora nitens on a palm oil plantation in Subdistrict of Perhentian Raja, District of Kampar, Province of Riau. This research was using a purposive sampling as the survey method to determine the research’s scope. The research’s scope criteria is a palm oil plantation that were attacked by Setora nitens and has a possibilities as the parasitoids habitat. The research location was an expanse of palm oil plantations which covering 6 Ha and diagonally were set 5 sample points, which each point was randomly taken 5 plants as a sample, so there were 25 plants as the total sample. The results of rearing the Setora nitens larvae in Plant Pest Laboratory, Faculty of Agriculture, University of Riau has discovered one kind of parasitoid known as endoparasitoid, derived from the Ordo Hymenoptera, Subordo Apocrita and Family Braconidae with a total number of individuals are 49 tails. The percentage rate of parasitism that had occured reached 33.3%, while the parasitoid sex ratio range between males and females were between 1.4: 1 and 2.5: 1.
UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG DAUN BINTARO (Cerbera manghas L.) TERHADAP HAMA PENGGEREK TONGKOL JAGUNG MANIS (Helicoverpa armigera Hubner) Muslihat; Desita Salbiah
DINAMIKA PERTANIAN Vol. 36 No. 1 (2020): Jurnal Dinamika Pertanian Edisi April 2020
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2020.vol36(1).5364

Abstract

ABSTRACT The main pest that often attacks sweet corn crops is Helicoverpa armigera Hubner and causes damage. Pest control can be done using botanical insecticide bintaro plants (Cerbera manghas L.) The aim of this research was to get an effective concentration of bintaro leaf flour extract against of Helicoverpa armigera Hubner. The research was carried out experimentally at the Laboratory of Plant Pests, Agricultural Faculty, University of Riau, by using a completely randomized design (CRD) with four treatments and five replications. The treatments consisted of the several levels of concentration of bintaro leaf flour extract, 40 g.l-1 water, 60 g.l-1 water, 80 g.l-1 water and 100 g.l-1 water. The parameters observed were initial time of death (hours), lethal time 50 (hours), and total mortality (%). The results showed that bintaro leaf extract with a concentration of 80 g.l-1 water was an effective concentration to control H. armigera pests which could cause a total mortality of 82% with an initial death of 15,4 hours after application and lethal time 50 (LT50) 57,4 hours after application. Keywords: Helicoverpa armigera Hubner, Bintaro plants, Botanical insecticide
Co-Authors Agus Sutikno Agusman Harefa Arohma Yuli Murtika Dewi Asmida Ayu Boris Satriyo Situmorang David Afrinda Dessy Dian Syafitri Hafis Fauzana Hafiz Fauzana Ihsanul Fikri Irwanto Irwanto J. Hennie Laoh Lola Jenrifa Muhammad Abdul Gani Muslihat Nadia Elly Oktaviani Nailul Hakim Pamungkas Natasa Ika Putri Putra Aritonang ROSMANTO ROSMANTO Rusli Rustam RUSLI RUSTAM Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yanita Mardiana Yulia Ningsih