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BIOAKTIVITAS NANOPARTIKEL ZnO HASIL GREEN SYNTHESIS BERBASIS EKSTRAK DAUN Annona muricata TERHADAP Spodoptera frugiperda Sigit Ardiansyah; Nurma Pratiwi; Pebria Sisca
JURNAL AGROTROPIKA Vol. 25 No. 2 (2026): Jurnal Agrotropika Vol 25 No 2, Oktober 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i2.13268

Abstract

The intensive use of chemical insecticides to control the invasive pest Spodoptera frugiperda has contributed to the development of insecticide resistance and environmental pollution, necessitating eco-friendly bio-insecticide alternatives. This study aimed to evaluate the contact toxicity, antifeedant activity, and repellent of green-synthesized zinc oxide nanoparticles (ZnO NPs) based on Annona muricata leaf extract against third-instar S. frugiperda larvae. The ZnO nanoparticles were synthesized by reacting zinc acetate dihydrate with A. muricata leaf extract at pH 11 and 70 °C. The bioactivity was evaluated through contact toxicity assays, antifeedant activity tests (no-choice test), and repellent assays (two-choice test). Physical characteristics of the nanoparticles were analyzed using a Particle Size Analyzer (PSA). The results demonstrated time-dependent toxicity, with the  value decreasing from 1721.60 ppm 24 hours after treatment (HAT) to 1064.28 ppm 72 hours after treatment (HAT). The highest antifeedant activity was achieved at a concentration of 1600 ppm with 84.83% (strong) at 24 HAT, while the maximum repellent rate of 60.00% was obtained at 1600 ppm after 24 hours. PSA characterization revealed a Z-average hydrodynamic size of 208.4 nm, a polydispersity index (PI) of 0.624, and a zeta potential of −30.1 mV. In conclusion, ZnO nanoparticles synthesized based A. muricata extract show high potential as bio-insecticidal agent for controlling S. frugiperda pest.  
Peningkatan Pengetahuan dan Keterampilan Kelompok Wanita Tani (KWT) Mutiara Ghori Melalui Pelatihan Perbanyakan Trichoderma spp. Wika Anrya Darma; Betari Safitri; Pebria Sisca; Rahmadya Hamiranti; Nanang Wahyu Prajaka; Abied Khafidhan; Rizka Novi Sesanti
JURIBMAS : Jurnal Hasil Pengabdian Masyarakat Vol 5 No 2 (2026): Oktober 2026
Publisher : LKP KARYA PRIMA KURSUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62712/juribmas.v5i2.1703

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pengetahuan dan keterampilan Kelompok Wanita Tani (KWT) Mutiara Ghori dalam perbanyakan Trichoderma spp. dan aplikasi melalui pembuatan Trichokompos. Permasalahan utama yang dihadapi mitra yaitu serangan penyakit moler pada budidaya bawang merah yang pernah dilakukan. Pengendalian dengan agens hayati menjadi alternatif ketika pengendalian secara kimia belum berhasil. Pengabdian kepada masyarakat ini dilaksanakan pada bulan Juli 2026 di kediaman Ketua KWT yang dihadiri sepuluh orang anggota. Metode yang digunakan dalam kegiatan ini yaitu metode partisipatif dan kolaboratif yang meliputi sosialisasi dan koordinasi awal; pelatihan dan demonstrasi; dan evaluasi. Hasil evaluasi menunjukkan bahwa terdapat peningkatan pengetahuan sebesar 63,33% serta sikap dan keterampilan sebesar 80%. Melalui kegiatan ini diharapkan dapat meningkatakan kemandirian KWT Mutiara Ghori dalam memperbanyak Trichoderma spp. dan pembuatan Trichokompos dan mengaplikasikannya pada kegiatan budidaya tanaman.
Co-Authors Abied Khafidhan Betari Safitri Nurma Pratiwi Prajaka, Nanang Wahyu Rahmadya Hamiranti Rizka novi sesanti sigit ardiansyah Wika Anrya Darma, Wika Anrya