Document Detail

Mycoheterotrophic growth of Cephalanthera falcata (Orchidaceae) in tripartite symbioses with Thelephoraceae fungi and Quercus serrata (Fagaceae) in pot culture condition.
MedLine Citation:
PMID:  23014813     Owner:  NLM     Status:  Publisher    
Mixotrophy, obtaining carbon by mycoheterotrophy and photosynthesis, has been suggested in Cephalanthera species (Orchidaceae) by analyses on stable isotopes of carbon. In this study, we examined the growth of Cephalanthera falcata in pot cultured tripartite symbioses with Thelephoraceae fungi and Quercus serrata. Mycorrhizal fungi were isolated from roots of C. falcata in natural habitats. Two fungal isolates identified as Thelephoraceae were cultured and inoculated to fine roots of non-mycorrhizal seedlings of Q. serrata (Fagaceae). After the ectomycorrhizal formation, non-mycorrhizal seedlings of C. falcata were co-planted. The pots with tripartite symbioses were cultured in greenhouse for 30 months, and growth of C. falcata seedlings was examined. Fresh weight of C. falcata seedlings was significantly increased by the tripartite symbioses even in those with no shoot, thus providing further evidence for the mycoheterotrophic nature of this orchid. The achievement of seedling culture in tripartite symbioses would be valuable for conserving many forest orchids and for conducting experiments to understand their physiology and ecology.
Takahiro Yagame; Masahide Yamato
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-27
Journal Detail:
Title:  Journal of plant research     Volume:  -     ISSN:  1618-0860     ISO Abbreviation:  J. Plant Res.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9887853     Medline TA:  J Plant Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Botanic Garden and Museum, Field Science Center for Northern Biosphere, Hokkaido University, Kita 3, Nishi 8, Chuo-ku, Sapporo, Hokkaido, 060-0003, Japan,
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