会议名称：“2022世界木材日”研讨会暨第四届国际林联（IUFRO）林产品文化研究组讨论会
会议时间：2022年3月21日

报告嘉宾：Sae-Min YOON
嘉宾简介：韩国国家森林科学研究院 研究员

摘要：

Fungal deterioration of wood is regarded as the main limiting factor to use wood in exterior construction. In order to protect wood from the deterioration, the primary step is to accumulate information on fungi inhabited wood species mainly used in construction. This study was conducted to investigate the fungal diversity in 5 Korean wood species including Pinusdensiflora, Larix kaempferi, and 3 Quercus spp. (i.e., Q. rubura, Q. serrata, and Q. variabilis). Five stakes of each wood species were collected from a field test site at Jeoung-seon, Korea, and small flakes were removed from the stakes. They were then placed on the selective media to isolate basidiomycetes, ascomycetes, and zygomycetes. Identification of pure-cultured fungi was conducted based on morphological and molecular biological 50 characteristics. As a result, a total of 306 isolates, including 22 basidiomycetes, 16 ascomycetes, and 14 zygomycetes were obtained from 5 wood species. The results showed that fungal diversity was significantly different depending on the wood species. The dominant species in P. densiflora were 2 basidiomycetes (Peniophora incarmata and Peniophora sp.), 1 ascomycete (Fusarium graminearum), and 2 zygomycetes (Cunninghamella elegans and Gongronella butleri). In L. kaempferi, Mycena sp. Cochliobolus sp., and Mucor fragilis held a majority of basidiomycete, ascomycete, and zygomycete, respectively. In Quercus spp., 4 basidiomycetes (Irpex lacteus, Phlebia acerina, Schizophyllum commune, and Sistotrema brinkmannii), 3 ascomycetes (Alternaria alternate, Alternaria sp., and Curvularia protuberata), and 3 zygomycetes (C. elegans, G. butleri, and Mucor moelleri) were dominantly
isolated. Most species obtained in this study were previously reported as wood-inhabiting fungi in Korea, while Curvularia protuberate (ascomycete) and G. butleri (zygomycete) were new to wooden substrate in Korea, and a brown-rot fungus Fibroporia gossypium and a white-rot fungus Peniophora limitata were new to Korea.

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