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Journal : Jurnal Agroplasma

Identifikasi Beberapa Spesies Serangga pada Kedelai (Glycine max (L). Merr) Impor Asal Amerika Serikat Ginting, Tri Yaninta; Mutia Z.A., Hanifah; Hutabarat, Rismawati
JURNAL AGROPLASMA Vol 10, No 1 (2023): JURNAL AGROPLASMA VOLUME 10 NO 1 TAHUN 2023
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v10i1.4128

Abstract

Soybeans are one of the commodities imported by Indonesia from the United States. The imported soybeans have the potential to carry plant pests, including insects. This study aims to identify plant pests carried by soybeans, particularly insects, originating from the United States. The study was conducted at the Agricultural Quarantine Laboratory of the Belawan Agriculture Center on Sampul Street, Medan. The research was carried out from June to December 2022. The materials used in this study were soybean seeds imported from the United States, obtained from field sampling or from the integrated physical examination room of PT. GrahaSegara Integrated Physical Examination Place (TPFT). The materials used included 70 percent alcohol, lactophenol blue, blotting paper, aquades, chloroacetic acid, tissue, and glass cloth. The equipment used in this study included a compound microscope, stereo microscope, oven, laminar air flow, magnifying glass, plastic bag, bottle, plastic tray, scale, glass beaker, petri dish, brush, forceps, glass slide, and cover glass. The identification method used in this study was direct examination. The diversity of plant pests carried by soybeans was analyzed descriptively based on macroscopic and microscopic characteristics. The direct identification of insects resulted in four species: Rhizopertha dominica, Sitophilus oryzae, Callosobruchus chinensis, and Tribolium castaneum. Keywords: Soybean seeds, import, insects, direct examination.
Pengelolaan Populasi Hama Spodoptera exigua Hübner (Lepidoptera; Noctuidae) dengan Tanaman Refugia pada Tanaman Bawang Merah Ginting, Tri Yaninta; Setiawan, Andi; Aziz, Muhammad Farhan Abdul; Aezad, Muhammad Hafiq
JURNAL AGROPLASMA Vol 11, No 1 (2024): JURNAL AGROPLASMA VOLUME 11 NO 1 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i1.5630

Abstract

This study aims to manage the population of Spodoptera exigua pests using refuge plants in onion crops. The research employed a non-factorial randomized complete block design with 4 treatments, namenly P0 (red onion without refuge plants/ control), P1 (red onion intercropped with Marigold), P2 (red onion intercropped with Zinnia), and P3 (red onion intercropped with combination both Marigold and Zinnia), with each treatment being replicated 6 times. The study comprised 24 experimental units, with each unit containing 4 plants, resulting in a total of 96 plants. The results revealed that the highest population density occurred in treatment P0 (red onion without refuge plants/ control) with a percentage of 0.55 %, while the lowest population density was observed in treatment P3 (red onion intercropped with combination both Marigold and Zinnia) with a percentage of 2.1x10-17 %. The analysis indicated significant differences between treatments P0 and P3. The conclusion drawn from this study is that treatment P3, involving the combination of Marigold and zinnia, yielded the most effective results for managing the population of S. exigua pests in red onion cultivation. Keywords: red onion, population, refuge plants, S. exigua