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Perdani, Adiba Eva
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Penentuan Jenis Bahan Aktif Insektisida Dalam Pengendalian Spodoptera exigua Menggunakan Bioassay Tanpa Rearing Febrayanto, Catur Raharjo; Susiyanti, Fitri; Sutanto, Koko Dwi; Maulinda, Arina; Perdani, Adiba Eva; Carsidi, Didi; Rochman, Bagus Nur; Ali, Fahri; Musthafa, Muhammad Bachtiar
Jurnal Penelitian Pertanian Terapan Vol 25 No 1 (2025)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v25i1.3554

Abstract

Spodoptera exigua is one of the major pests of shallot plants that is difficult to control by farmers in brebes regency. Control of S. Exigua generally uses chemical insecticides. This study aims to test the efficacy of insecticides against S. Exigua larvae using the bioassay without rearing method, determine the efficacy of insecticides on S. Exigua larvae, and insecticides which is recommended to control S. Exigua larvae. This research uses a quantitative paradigm with an experimental design. The types of insecticides used consist of 7 commercial brands containing different active ingredients and one control tested on S. Exigua larvae from Kedunguter village, Brebes subdistrict, Brebes regency. Data analysis was performed using univariate analysis, followed by Duncan's Multiple Range Test and hierarchical cluster test. The results showed that the bioassay without rearing method can be used to determine the type of insecticide to be used for controlling S. exigua. Mortality of S. exigua larvae varied against insecticides. The lowest mortality occurred in brand A, brand C, and brand B, while the highest mortality occurred in brand F and brand E. There is a tendency of cross-resistance occurrence in S. exigua between the active ingredients abamectin, emamectin benzoate, and beta-cyfluthrin. Insecticides which recommended to control S. exigua larvae are brand F and brand E.
Dinamika Harga Bawang di Kabupaten Brebes Febrayanto, Catur Raharjo; Hirbasari, Ira Amanda; Perdani, Adiba Eva
JURNAL ILMIAH ULTRAS BREBES Vol 7 No 1 (2023): JURNAL ILMIAH ULTRAS
Publisher : Badan Perencanaan Pembangunan, Riset dan Inovasi Daerah Kabupaten Brebes

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Abstract

Kabupaten Brebes merupakan sentra produksi bawang merah di Indonesia. Harga bawang merah di Kabupaten Brebes berfluktuasi. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi harga bawang merah dan dinamika harga bawang merah yang terjadi di Kabupaten Brebes tahun 2017 – 2021. Data yang digunakan adalah data sekunder berupa intensitas hujan, jumlah hari hujan, luas tanam, luas panen., produksi dan harga bawang merah di Kabupaten Brebes. Data kemudian dianalisis menggunakan One Way Anova, regresi linier sederhana dan Duncan Multiple Range Test. Intensitas hujan dan curah hujan mempengaruhi luas tanam, dan luas tanam mempengaruhi luas panen bawang merah. Luas panen mempengaruhi produksi, namun produksi tidak mempengaruhi harga bawang merah. Harga bawang merah di Kabupaten Brebes mempunyai tren tinggi pada bulan Mei dan tren harga terendah terjadi pada bulan Januari dan September. Petani memiliki kesempatan mendapatkan harga yang tinggi pada musim tanam bulan Februari-Maret. Pemerintah perlu mengatur tata niaga bawang merah agar harga stabil setiap bulan. 48 
Co-Authors Ali, Fahri Bagus Nur Rochman, Bagus Nur Carsidi, Didi Catur Raharjo Febrayanto Ira Amanda Hirbasari Maulinda, Arina Muhammad Bachtiar Musthafa, Muhammad Bachtiar Susiyanti, Fitri Sutanto, Koko Dwi