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Inventarisasi dan Identifikasi Serangga Predator pada Padi di Kabupaten Ogan Ilir, Sumatera Selatan Hawaryah Istiqomah; Dea Abbellia; Lusy Triani; Nabella Mevika; Safira Siti Khodijah; Yuliana Yuliana; Abu Umayah; Bambang Gunawan; Arsi Arsi
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Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Istiqomah H, Abbellia D, Triani L, Mevika N, Khodijah SS, Yuliana Y, Umayah A, Gunawan B, Arsi A. 2022. inventory and identification of rice predator insects in Ogan Ilir District, South Sumatera. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang 27 Oktober 2022. pp. 552-561. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Rice (Oryza sativa) is one of the plants that is an important commodity in Indonesia, various efforts have been made to increase rice production, but often encounter obstacles, one of which is the presence of organismal pests, especially insects. Therefore, it’s necessary to have the role of natural enemies in the form of predatory insects in controlling rice pests. This study aimed to determine the number and types of predatory insects found in rice plants in three villages, namely Muara Penimbung Village, Tanjung Sejaro Village, Sakatiga Village, Indralaya District, Ogan Ilir Regency, South Sumatra. This research method was carried out by observing and using yellow traps installed in the rice fields to catch predatory insects. From the research results in the three villages, there are predatory insects with four different orders, namely the order Odonata, order Coleoptera, order Hemiptera, and order Diptera. The order Odonata (dragonfly) consists of 4 species: Pantala flavescents, Orthetrum sabina, Agriocnemis minima, Orthetrum Chrysis. Then the order Coleoptera (beetle) found consisted of 4 species: Epilachna admirabilis, Paederus fuscipes, Micraspis discolor, Diekeana admirabilis. order Hemiptera found 1 species, namely: Andrallus spinidens. One species of the order Diptera, namely: Asilidae sp. So, it can be concluded that predatory insects on rice plants are very diverse and consist of various orders that can be used as natural enemies to control insect pests or plant pests. Further education is needed about the important role of predatory insects as natural enemies of plant pest control. 
EFIKASI EKSTRUDAT TANAMAN KENCUR TERHADAP Ganoderma boninense PENYEBAB PENYAKIT BUSUK PANGKAL BATANG KELAPA SAWIT Dea Abbellia; Suwandi Suwandi; Rahmad Fadli
Innofarm : Jurnal Inovasi Petanian Vol 28 No 1 (2026): JURNAL INNOFARM : Jurnal Inovasi Petanian
Publisher : FAKULTAS PERTANIAN UNIVERSITAS SLAMET RIYADI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/xqax4457

Abstract

  Busuk pangkal batang (BPB) adalah penyakit serius menyerang kelapa sawit (Elaeis guineensis). Penyakit disebabkan oleh jamur Ganoderma boninense yang menyebabkan busuk putih. Ekstrak kencur dapat memengaruhi pertumbuhan jamur G. boninense. Penelitian bertujuan untuk mengetahui pengaruh eksudat kencur terhadap pertumbuhan G. boninense. Uji penghambatan pertumbuhan G. boninense terdiri dari dua sampel eksudat tanaman kencur dengan konsentrasi 0; 1,25; 5 dan 20%. Setiap pengujian disusun dalam rancangan acak lengkap (RAL) dengan lima ulangan. Hasil penelitian menunjukkan bahwa eksudat akar dan rimpang kencur (Kaempferia galanga) memiliki efek alelopati negatif terhadap pertumbuhan koloni. Peningkatan nilai EC media kultur perlakuan G. boninense menunjukkan mekanisme penghambatan memiliki potensi kebocoran membran plasma. Eksudat dapat menyebabkan penurunan pH media menjadi asam yang mengakibatkan respon stress oksidatif. Penelitian ini menyelidiki sifat antijamur dari eksudat rimpang kencur terhadap G. boninense menyoroti potensi sebagai agen alami untuk pengelolaan penyakit berkelanjutan di kelapa sawit.