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All Journal Jurnal Biologi Tropis Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Uci Cahlia
University of Bengkulu
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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Identifikasi dan Patogenisitas Agen Bakteri Penyebab Penyakit Busuk Batang pada Buah Naga (Hylocereus sp.) Riziq Ilham Nur Fahmi; Uci Cahlia; Risky Hadi Wibowo; Sipriyadi Sipriyadi
Spizaetus: Jurnal Biologi dan Pendidikan Biologi Vol 7 No 1 (2026): Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Publisher : Program Studi Pendidikan Biologi, FKIP, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55241/spibio.v7i1.705

Abstract

The increasing intensification of dragon fruit (Hylocereus sp.) cultivation is followed by an increase in disease attacks that have the potential to reduce plant productivity. This study aims to isolate, identify, and test the pathogenicity of bacteria that cause dragon fruit stem rot in Pematang Donok Village, Kepahiang, Bengkulu. Bacterial isolation was carried out from disease-infected stem tissue, followed by isolation purification. Bacterial identification was carried out based on colony morphology and Gram staining, while pathogenicity and hemolysis tests were carried out on potatoes and blood agar media, respectively. The data were analyzed descriptively qualitatively through observation of colony morphological characteristics and Gram staining, as well as pathogenicity tests on potatoes and hemolysis tests on blood agar. The isolation results obtained two bacterial isolates, namely isolates BBNK1 and BBNK2 with different colony morphology characteristics. Both isolates are Gram-positive bacteria with bacillus and coccus cell shapes. Pathogenicity tests on potatoes showed that both isolates were able to cause soft rot symptoms such as tissue softening, discoloration, and mucus formation compared to the control. Hemolysis tests showed that only isolate BBNK1 showed hemolytic activity with the formation of a clear zone around the isolate. The findings of this study offer foundational data to support future research on molecular identification and the development of more environmentally friendly and sustainable disease management strategies.
Inventory and Diversity of Macroscopic Fungi in the University of Bengkulu Campus Area Uci Cahlia; Riziq Ilham Nur Fahmi; Sofia Nur Salsabila; Risky Hadi Wibowo; Sipriyadi Sipriyadi
Jurnal Biologi Tropis Vol. 26 No. 4 (2026): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i4.12352

Abstract

Fungal diversity is an important component in maintaining ecosystem balance, especially in campus environments that have a variety of habitats such as soil, litter, and vegetation. This study aims to examine the diversity of macroscopic fungi on the main campus of the University of Bengkulu using the exploration method. The results showed that there were 25 genera found around the main campus of the University of Bengkulu, including Filoboletus, Trametes, Phallus, Marasmiellus, Irpex, Schizophyllum, Dacryopinax, Pluteus, Stereum, Ganoderma, Auricularia, Marasmius, Lentinus, Mycena, Parasola, Pycnoporus, Chlorophyllum, Rigidosporus, Gymnopus, Leucocoprinus, Nigroporus, Agaricus, Daldinia, Microporus, and Earliella. The findings indicate that the majority of macroscopic fungi found on the main campus of the University of Bengkulu are wood-decay fungi, which play a crucial role in ecosystem balance and the food chain, acting as decomposers. Furthermore, several macroscopic fungi found are edible fungi, potentially used as food ingredients. The results of this study indicate that the main campus of the University of Bengkulu serves as a habitat that supports the growth of macroscopic fungi. These findings can serve as a scientific information for further study of macroscopic fungi in Bengkulu in some fields, including conservation and sustainable macroscopic fungal bioprospecting.
Co-Authors Risky Hadi Wibowo Risky Hadi Wibowo Riziq Ilham Nur Fahmi Riziq Ilham Nur Fahmi Sipriyadi Sofia Nur Salsabila