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All Journal Jurnal Pengabdian Masyarakat (ABDIRA) Journal of Biotechnology and Natural Science
Ade Kurniawan
Universitas Musamus
Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Immunology & microbiology Languange, Linguistic, Communication & Media Nursing Social Sciences Other

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Effects of Metarhizium anisopliae and Red Ginger Extract (Zingiber officinale var.rubrum) on Feeding Behaviour and Mortality of Spodoptera litura Larvae Johana Anike Mendes; Rangga Kusumah; Jefri Sembiring; Mariana Resubun; Ade Kurniawan
Journal of Biotechnology and Natural Science Vol. 6 No. 1 (2026): June
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jbns.v6i1.15764

Abstract

The management of Spodoptera litura, a major pest of vegetable crops, is still predominantly reliant on synthetic pesticides, whose excessive use raises concerns regarding environmental safety and human health. This study investigated the effects of the entomopathogenic fungus Metarhizium anisopliae and red ginger extract (Zingiber officinale var rubrum), applied individually on feeding behaviour and larval mortality of S. litura. Laboratory bioassays were conducted using the leaf-dipped method to evaluate larval mortality. Feeding inhibition activity of red ginger extract was assessed using choice and no-choice test. Red ginger extract caused 48% larval mortality at a concentration of 2 ml/50 ml of water, while M. anisopliae resulted in 28% larval mortality at 20 g/50 ml of water. Feeding inhibition under the choice test was categorized as very weak (10.20%) at 2 ml/50 ml of water, similarly M. anisopliae did not exhibit feeding inhibition under either test method
Pelatihan Perbanyakan Mikroorganisme pada Kelompok Tani di Distrik Semangga Kabupaten Merauke Abdullah Sarijan; Untari Untari; Edy H.P Melmambessy; David Oscar Simatupang; Adrianus Adrianus; Mega Ayu Yusuf; Anwar Anwar; Ade Kurniawan; Jefri Sembiring; Mani Yusuf; Hasianna Darmawati Samosir
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 2 (2026): Abdira, April
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i2.1807

Abstract

This community service activity aimed to improve the knowledge and skills of farmer groups in Semangga District, Merauke Regency in propagating microorganisms as biological agents in agriculture. The program was motivated by farmers’ high dependence on chemical fertilizers and pesticides, which negatively affect soil quality and the environment. The methods included laboratory-based microorganism propagation, interactive lectures, simulation practices, and group discussions and reflections. The results indicated increased farmers’ understanding of the roles and benefits of microorganisms such as Trichoderma sp. and Bacillus sp., as well as their ability to propagate them independently. The application of this technology has the potential to reduce chemical inputs, lower production costs, and improve soil fertility sustainably. This activity is important as a model for empowering farmers through environmentally friendly biological technology.
Co-Authors Adrianus Adrianus Anwar Anwar David Oscar Simatupang EDY H.P. MELMAMBESSY Hasianna Darmawati Samosir Jefri Sembiring Johana Anike Mendes Mani Yusuf Mariana Resubun Mega Ayu Yusuf Rangga Kusumah Sarijan, Abdullah - Untari Untari