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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Agroteksos
Sukriming Sapareng
Program Studi Agroteknologi, Universitas Andi Djemma, Palopo
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Materials Science & Nanotechnology Physics Social Sciences

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KEANEKARAGAMAN ARTROPODA DAN STRUKTUR POPULASI KUMBANG BADAK DAN KUMBANG TANDUK DI LAHAN PERKEBUNAN KELAPA SAWIT Akmal, Akmal
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 35 No 1 (2025): Jurnal Agroteksos April 2025
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v35i1.1325

Abstract

Changes in the growth phase of oil palm can potentially affect the population dynamics of rhinoceros beetles (Oryctes rhinoceros L.) and horned beetles (Xylotrupes gideon L.), two major pest species that can reduce plantation productivity. This study aims to identify the population structure of the two beetle species and the diversity of arthropods in oil palm plantations in two locations with different growth phases, namely immature plants (TBM) and producing plants (TM). The results showed that the rhino beetle preadult population was only found in the TM location with an average population of 8.71 ± 18.21 individuals/plot, while the horned beetle was found in both locations with a higher population in the TBM location (30.13 ± 18.25 individuals/plot) compared to TM (22.33 ± 12.66 individuals/plot). The population structure of rhinoceros beetles was dominated by instar I and II larvae, while horned beetles were dominated by instar I, II, and III larvae. In addition, the diversity of arthropods in the TM site was higher than that in the TBM site, especially when sampling using the berlese funnel method. These findings have important implications for pest management in oil palm plantations, especially in minimizing losses due to pests with a plant growth phase-based approach and biodiversity management.
Morphophysiological Response of Rice Genotypes to Seed Priming in Various Environments Akmal; Annas Boceng; Suryanto; Asrijal; Sukriming Sapareng; Taruna Shafa Arzam AR; Rahmi Azizah Mudaffar; Rosnina; Sumantri
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.13185

Abstract

Seed priming with PEG 6000 is a pre-planting technology that has the potential to increase rice tolerance to drought stress and improve plant establishment in various seedling systems. This study aimed to examine the morphophysiological responses of three rice genotypes (IR64, Ciherang, and Cakrabuana) to seed priming with PEG 6000 at various concentrations and in different seedling systems. The study was conducted in two stages: (1) testing the tolerance of genotypes to drought stress using PEG 6000 concentrations of 0, 50, 100, and 150 g L⁻¹ at the germination stage, and (2) evaluating the effectiveness of priming at the vegetative stage with wet and dry seeding systems. A concentration of PEG 6000 at 100 g L⁻¹ provided optimal priming effects with a 15-25% increase in germination percentage and a 20-35% increase in seedling vigor compared to the control. The Cakrabuana genotype showed the best tolerance to drought stress, followed by Ciherang and IR64. Seed priming with PEG 6000 at a concentration of 100 g L⁻¹ effectively enhanced the drought tolerance and adaptation of rice genotypes in various germination systems, with varying responses among genotypes.
Co-Authors Akmal Annas Boceng Asrijal Rahmi Azizah Mudaffar Rosnina Sumantri Suryanto Taruna Shafa Arzam AR