期刊
MYCOSCIENCE
卷 57, 期 1, 页码 71-78出版社
MYCOLOGICAL SOC JAPAN
DOI: 10.1016/j.myc.2015.09.003
关键词
Host specificity; Life cycle; Meliosmaceae; Pucciniales; Species delimitation
类别
资金
- Japan Society for Promotion of Science [18570081, 25450056]
- Grants-in-Aid for Scientific Research [25450056, 18570081] Funding Source: KAKEN
Aecidium hornotinum, originally described for a fungus on Meliosma aff. multiflora from the Philippines, has been reported to occur on M. arnottiana subsp. oldhamii (=M. rhoifolia) in southern islands of Kagoshima and Okinawa (the Ryukyu Islands), Japan. The taxonomic identity of the Aecidium fungus on M. arnottiana subsp. oldhamii distributed in the Ryukyu Islands to A. hornotinum was confirmed by morphological comparison with the type material of A. hornotinum. Field observations in several islands of Okinawa and an examination of herbarium specimens showed a possible life cycle connection between A. hornotinum and a uredinial-telial fungus reported as Phakopsora meliosmae in the Ryukyus. Experimental inoculations with basidiospores and aeciospores proved the autoecious, macrocyclic life cycle of the rust fungus. This fungus was found distinct in sorus and spore morphology and host preference from P. meliosmae on M. myriantha. Thus, a new holomorph name, Phakopsora hornotina, was proposed for this fungus. (C) 2015 The Mycological Society of Japan. Published by Elsevier B.V. All rights reserved.
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