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All Journal Jurnal Riset Perkebunan (JRP) Jagur: Jurnal Agroteknologi AGRONES: JOURNAL OF AGRICULTURE, AGRIBUSINESS WELFARE, TECHNOLOGI, HUMANITY, ENVIRONMENT, SOCIAL AND ECONOMY
Siska Efendi
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Energy Environmental Science Social Sciences

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Response Of Nilaparvata Lugens (Stal.) Hemiptera; Delpacidae To The Application Of Deltamethrin Insecticides At Sublethal Concentrations Awaluddin, Awaluddin; Waode Siti Anima Hisein; Siska Efendi; La Oge; Cecep Ijang Wahyudin
Journal of Agriculture, Agribusiness, Welfare, Technology, Humanity, Environment, Social, and Economy Vol. 1 No. 4 (2026): Januari 2026 Edition
Publisher : Fakultas Teknologi Pertanian Unsultra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64690/agrones.v1i4.579

Abstract

The initial population of Nilaparvata lugens was obtained from the field and developed in the entomology and toxicology laboratory of the plant protection department of Halu Oleo University. This study began with mass cultivation of the N. lugens insect pest. This was followed by selecting the LC50 concentration based on mortality at 72 hours after treatment. The results of the probit analysis found an LC50 value 3.16 ml/L for the insecticide deltamethrin. The high recommended concentration found for the insecticide deltamethrin is suspected because it is not recommended for use on N. lugens in rice fields. Increasing the frequency of application at sublethal concentrations (LC10 and LC25) was shown to trigger an increase in the resurgence ratio of 1.50 and 1.70 times, respectively, compared to the control group.
Analysis Of Insect Fauna Biodiversity On Reclamation Land From Former Nickel Mining In Konawe Regency Awaluddin, Awaluddin; Ibnu Fajar; Muhammad Botek; Waode Siti Anima Hisein; Nuriadi, Nuriadi; Siska Efendi
Journal of Agriculture, Agribusiness, Welfare, Technology, Humanity, Environment, Social, and Economy Vol. 2 No. 1 (2026): April - June 2026 Edition
Publisher : Fakultas Teknologi Pertanian Unsultra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64690/agrones.v2i1.693

Abstract

Nickel mining activities have been identified as a factor in insect biodiversity degradation. This study aimed to evaluate insect community parameters, including species, diversity, abundance, and evenness, by comparing post-mining and natural land in Amonggedo District, Konawe Regency. Sampling was conducted using sweep net, pitfall trap, and light trap methods. The findings showed a significant decrease in species richness in the post-mining land (4 orders, 6 families, 11 individuals) compared to the control land (6 orders, 11 families, 104 individuals). Although both locations had a moderate diversity index (H’) (1.55 vs. 1.72), the post-mining land recorded a higher evenness index (E) (0.86), indicating a more balanced distribution between families but with a much lower population. Dominance shifted from Ectobiidae in the natural land to Crambidae and Scoliidae in the post-mining area, confirming a transformation in community structure due to the impact of nickel mining.
Co-Authors Awaluddin Awaluddin Benni Satria Cecep Ijang Wahyudin Chairil Ezward, Chairil Danial, Ahmad Denal Putra Melketa Dewi Rezki Herviyanti Ibnu Fajar Jauharil Makmun La Oge Muhammad Botek Nuriadi, Nuriadi Waode Siti Anima Hisein