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All Journal Jurnal Agroekoteknologi JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Riau Journal of Empowerment JURNAL AGROHITA Unri Conference Series: Agriculture and Food Security Jurnal Agronomi Tanaman Tropika (JUATIKA) AGROTEK: Jurnal Ilmiah Ilmu Pertanian Unri Conference Series: Community Engagement Journal of Community Engagement Research for Sustainability Dinamika Pertanian
RUSLI RUSTAM
Fakultas Pertanian, Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Nursing Public Health Social Sciences Other

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UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG AKAR TUBA (Derris elliptica Benth) UNTUK MENGENDALIKAN HAMA PENGGEREK TONGKOL JAGUNG Helicoverpa armigera Hubn Rudi Rismawanto; Rusli Rustam; Desita Salbiah
DINAMIKA PERTANIAN Vol. 38 No. 2 (2022): Jurnal Dinamika Pertanian Edisi Agustus 2022
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2022.vol38(2).11876

Abstract

Pests that attack the corn crop are corn cobs borer (Helicoverpa armigera Hubner). Pest control can be done using tubal root vegetable insecticide (Derris elliptica benth.) This study aims to obtain the best concentration of tuba root powder extract for controlling the corncob borer pests Helicoverpa Armigera H. Research was carried out at the Plant Pest Laboratory of the Faculty of Agriculture, University of Riau. This study used a completely randomized design (CRD) with 6 treatments and 4 replications. The treatments were given several concentrations of tuba root powder extract, namely 0 gr.l-1 water, 20 gr.l-1 water, 40 gr.l-1 water, 60 gr.l-1 water, 80 gr.l-1 water and 100 gr.l-1 water. The parameters observed were initial death, lethal time of 50, lethal concentration of 50 and 95, daily mortality, and total mortality. Daily mortality data obtained from the results were analyzed descriptively and displayed in graphical form, data lethal concentration (LC50 and LC95) was used probit analysis using the POLO-PC program, while other data such as initial death, total mortality, and lethal time (LT50) were statistically analyzed using variance. Data from analysis of variance will be continued using the smallest significant difference (LSD) test at the 5% confident level. Application of concentration for tubal root extract 100 g-1 water was the best concentration to control larvae H. Armigera with an initial time of death 26.50 hours, LT50 67.50 hours, highest daily mortality on the fourth day by 40% and total larval mortality by 87.5%.
UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG DAUN PAITAN (Tithonia diversifolia A. Gray) TERHADAP MORTALITAS LARVA PENGGEREK TONGKOL JAGUNG Helicoverpa armigera Hubner Sandi Syahputra; Rusli Rustam; Desita Salbiah
DINAMIKA PERTANIAN Vol. 38 No. 3 (2022): Jurnal Dinamika Pertanian Edisi Desember 2022
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2022.vol38(3).11906

Abstract

Borer pest of corn cobs (Helicovepa armigera Hubner) is a major pest of corn. Pest control can be done using plant-based insecticides from paitan leaf extract (Tithonia diversifolia A. Gray). This study aims to obtain the best concentration of paitan leaf extract in controlling corn cob borer Helicoverpa armigera. The study was conducted at the Plant Pest Laboratory of the Faculty of Agriculture, University of Riau. The research was carried out using a completely randomized design (CRD), consisting of 5 treatments and 4 replications. The treatments used were several concentrations of paitan leaf extract, namely 0 gl-1, 25 gl-1, 50 gl-1, 75 gl-1and 100 gl-1. Parameters observed were initial death, lethal time 50, lethal concentration (LC50 and LC95), daily mortality, and total mortality. data. Data were collected from daily mortality and then descriptively analyzed and displayed graphically. Data lethal concentration (LC50 and LC95) were analyzed probit using the POLO-PC program, while other data such as initial death, total mortality, and lethal time (LT50) were analyzed with analysis of variance. Data from the variance analysis with significant effect will be continued using the smallest significant difference (LSD) test at the 5% level. Results showed that the application of paitan leaf extract with a concentration of 100 gl-1 water was able to control H. armigera with mortality of 55.00%. The proper concentration to lead mortality of 50% of larvae H. armigera was 10.3% or equal to 103 gl-1 of water of paitan leaf extract. Meanwhile, the proper concentration to lead mortality of 95% of larvae population H. armigera was 44.7% or equivalent to 447 gl-1 water of paitan leaf extract.
Co-Authors Agus Sutikno Angga Pramana Anggita CinthiaTarigan Betti Andriany Sirait Boris Satriyo Situmorang Desita Salbiah Desita Salbiah Forti Senorita Daeli Hafiz Fauzana Hariyati, Revi Husnayetti Husnayetti Ice S. Hutagalung Irfandri Irfandri Jamiatul Laila Jum'atri Yusri Jum’atri Yusri Melisa Sep Arianti Simarmata Michael Daru Enggar Wiratmoko Muhammad Ismed Murniati Murniati Nelvia Nelvia Nelvia Nelvia Rahmayuni Rahmayuni Ramayuni Ramayuni Rani Rajani Rini Chindy Faqy Rossi, Evy Royhan Zul Padhli Hasibuan Rudi Rismawanto Ryan Afriandi Siregar Sandi Syahputra Sri Swastika Susilawati Susilawati Wardati Wardati Wardati Wardati Yelmira Zalfiatri Yelmira Zalfiatri Yetti Elfina Yunel Venita