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Nadiya Dwi Rahayu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Isolasi dan Identifikasi Cendawan Endofit Akar Anggrek Epifit dan Hemiepifit: Isolation and Identification of Endophytic Fungi in Epiphytic and Hemiepiphytic Orchid Root Michael Michael; Nampiah Sukarno; Sofi Mursidawati; Edhi Sandra; Nadiya Dwi Rahayu
Jurnal Sumberdaya Hayati Vol. 9 No. 4 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.4.152-163

Abstract

Orchids form a symbiotic relationship with endophytic fungi throughout their life cycle, including their seed germination. Research on orchid endophytic fungi in Indonesia is still limited. This study aimed to isolate and identify endophytic fungi of Phalaenopsis amabilis, Dipodium brevilabium, Vanilla planifolia, and Aerides odorata orchids. Endophytic fungi were isolated from surface-sterilized orchid root pelotons. Fungal identification was based on morphological and molecular characteristics using ITS rDNA sequences, followed by BLAST and phylogenetic tree analysis. All orchids studied had peloton structures in root cortex tissues. From the four orchids studied, 22 fungal isolates were obtained. Five fungal isolates were obtained from the P. amabilis orchid, consisting of 1 Penicillium and 4 sterile mycelium isolates. The D. brevilabium had 7 fungal isolates, namely 1 Penicillium and 6 Fusarium isolates. The V. planifolia had 6 Fusarium isolates, whereas the A. odorata had 4 isolates, such as 1 Penicillium, 2 sterile mycelium, and 1 unidentified isolate. The genus Penicillium was found in 3 out of the 4 orchid species studied. One Penicillium isolate was molecularly identified as Penicillium citrinum. Endophytic fungi in P. amabilis were mostly sterile mycelium, while D. brevilabium, V. planifolia, and A. odorata were dominated by Fusarium.
Isolasi dan Identifikasi Cendawan Endofit Akar Anggrek Epifit Vanda sp. dan Anggrek Terestrial Spathoglottis plicata: Isolation and Identification of Root Endophytic Fungi in Epiphytic orchid Vanda sp. and Terrestrial Orchid Spathoglottis plicata Rahayu, Nadiya Dwi; Listiyowati, Sri; Rafi, Mohamad; Sandra, Edhi; Mursidawati, Sofi; Risna; Sukarno, Nampiah
Jurnal Sumberdaya Hayati Vol. 10 No. 4 (2024): 2024
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.10.4.198-204

Abstract

Endophytic fungi play an important role in the orchid lifecycle by aiding seed germination and plant development. Information on the diversity of endophytic fungi in Indonesian orchids, particularly Vanda epiphytic orchid and Spathoglottis terrestrial orchid, is still limited. This study aimed to isolate and identify endophytic fungi from the roots of Vanda sp. and Spathoglottis plicata orchids collected from Banjarbaru, South Kalimantan, and Kendari, Southeast Sulawesi. Isolation was performed using Potato Sucrose Agar (PSA) medium, and morphological identification was carried out through macroscopic and microscopic observations. A total of four endophytic fungal isolates were identified, including Nigrospora sp. and Penicillium sp. from Vanda sp. roots, and two isolates of Fusarium sp. from Spathoglottis plicata roots. The four fungal isolates obtained had aerial mycelium and septate hyphae, as well as conidia with diverse shapes. The diversity of endophytic fungi in orchid species could be influenced by the fungal affinity on the specific microhabitat conditions of each tissue and host plant species.
Co-Authors Edhi Sandra M. Rafi Michael Michael Nampiah Sukarno Risna Sofi Mursidawati Sofi Mursidawati Sri Listiyowati