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All Journal Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Seminar Nasional Lahan Suboptimal
Ahmad Sultoni Pulungan
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Agriculture, Biological Sciences & Forestry Chemistry Mathematics Physics Other

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Inventarisasi dan Identifikasi Tungau pada Mawar di Kabupaten Ogan Ilir, Provinsi Sumatera Selatan Indayani Indayani; Ahmad Sultoni Pulungan; Darma Prasatya; Miranda Miranda; Nisa U Mardiyah; Safira Cahaya Ramadhani; 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

Indayani I, Pulungan AS, Prasatya D, Miranda M, Mardiyah NU, Ramadhani CS, Umayah A, Gunawan B, Arsi A. 2022. Inventory and identification of mites on roses in Ogan Ilir District, South Sumatra Province. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang 27 Oktober 2022. pp. 751-758. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Roses are widely cultivated by the public because of their beautiful and beautiful appearance as well as their fragrant and distinctive aroma, so they are nicknamed the queen of flowers, but on the other hand, roses are easily attacked by various species of mites. This study aimed to determine the species of mites on roses so that this research can make it easier to recognize and overcome the symptoms of mite attacks on roses. This research was conducted in the villages of Timbangan, Palem Raya, Sembabu Island, and Tanjung Sejaro, North Indralaya District, Ogan Ilir Regency, South Sumatra Province using survey and sampling methods. The results of the study have obtained 2 species of mites with the genus Tetranychus spp. The spread of mites occurs rapidly due to wind and human activities. Mites are polyphagous, so the possibility of expanding the host due to this pest should be watched out for. Mites attack can cause the process of formation of leaves and stems to be hampered so that the productivity of ornamental plants decreases. The mites damage the plant by sucking the liquid from the leaf cells which results in pale spots due to the damaged epidermal cells due to being sucked in. Although the individual damage caused by mites is small, with a population of thousands of mites attacking plants, it will cause more injuries so that it can reduce the photosynthetic ability of plants. So, roses are plants that are liked by many people but are often attacked by mites. It is better if the rose has been attacked by mites to minimize the spread of the attack, it is expected to spray pesticide liquid, rely on natural enemies, and plant high-yielding varieties.
The Efficacy of Citronella Extract (Cymbopogon nardus L.) in Inhibiting The Development of Anthracnose Disease in Chili Plants (Capsicum annuum L.) Titi Tricahyati; Harman Hamidson; Arsi; Suparman; Chandra Irsan; Filli Pratama; Ahmad Sultoni Pulungan
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 22 No. 1 (2025): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v22i1.18174

Abstract

Chili (Capsicum spp.) are members of the Solanaceae family, which includes many cultivated plants. They are frequently used by farmers and have a spicy taste that makes them a popular ingredient in Indonesian cuisine.The objective of this study is to observe the effect of citronella extract on the inhibition of anthracnose disease caused by Colletotrichum capsici in chili plants.This disease, caused by the aforementioned pathogen, manifests as blackish-brown patches on the affected area. The affected area undergoes desiccation and detachment over time.The experimental design employed a Group Randomized Design (GRD) method, comprising six treatments (P0, P1, P2, P3, P4, P5), each repeated five times.The experimental treatment involved the application of citronella extract, varying in dosage concentration among the treatments. This research was carried out on the Agrotech Training Center land of the Faculty of Agriculture, Sriwijaya University.
Co-Authors Abu Umayah Arsi Arsi Arsi Bambang Gunawan Chandra Irsan Darma Prasatya Filli Pratama Harman Hamidson Indayani Indayani Miranda Miranda Nisa U Mardiyah Safira Cahaya Ramadhani Suparman Titi Tricahyati