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Fungi Colonizing Sapwood of Japanese Red Pine Logs in Storage
Mycobiology ; : 205-209, 2001.
Article in En | WPRIM | ID: wpr-729278
Responsible library: WPRO
ABSTRACT
The Korean sawmills have recently recognized the importance of prevention of fungal discoloration due to increased losses in revenue. Before establishing integrated control strategies of fungal discoloration, more complete knowledge about causal organisms is needed. As a first step, we initiated a through survey of fungi colonizing commercially important softwood (Pinus densiflora, Pinus koraiensis, and Pinus radiata) logs and lumber in Korea. In this paper we report results obtained from Japanese red pine (Pinus densiflora) log study. In summer 2000, fungi were isolated from Japanese red pine logs in storage, and identified based on their cultural and morphological characteristics. A total of 595 fungi were isolated, representing 21 genera and 30 species. Mold fungi, mostly Trichoderma species, were the most frequently isolating fungi, representing more than half of all isolates. Dematiaceous fungi represented approximately one fifth of the isolates, and Rhinocladiella atorvirens was the most abundant in all samples. Opiostoma species represented 7% of all isolates from cores planted on malt extract agar (MEA) and the incidence of these species doubled with the addition of streptomycin and cycloheximide to MEA. The results indicate that Japanese red pine sapwood is susceptible to colonization by a variety of fungal species. As a result, control strategies that concentrate on one fungus may have limited success because of interference from competing flora.
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Full text: 1 Index: WPRIM Main subject: Plants / Trichoderma / Streptomycin / Incidence / Colon / Cycloheximide / Pinus / Agar / Asian People / Fungi Type of study: Incidence_studies / Prognostic_studies Limits: Humans Country/Region as subject: Asia Language: En Journal: Mycobiology Year: 2001 Type: Article
Full text: 1 Index: WPRIM Main subject: Plants / Trichoderma / Streptomycin / Incidence / Colon / Cycloheximide / Pinus / Agar / Asian People / Fungi Type of study: Incidence_studies / Prognostic_studies Limits: Humans Country/Region as subject: Asia Language: En Journal: Mycobiology Year: 2001 Type: Article