@ARTICLE{TreeBASE2Ref21729, author = {Yuko Ota}, title = {Taxonomy and phylogenetic position of Fomitiporia torreyae, a causal agent of trunk rot on Sanbu-sugi, a cultivar of Japanese cedar (Cryptomeria japonica) in Japan}, year = {2014}, keywords = {Hymenochaetaceae, morphology, multi-locus analyses,phylogenetic relationship }, doi = {10.3852/13-045}, url = {http://www.mycologia.org/}, pmid = {}, journal = {Mycologia}, volume = {106}, number = {1}, pages = {66--76}, abstract = {Trunk rot poses a substantial threat to ?Sanbu-sugi?, one of the most economically important cultivars of Japanese cedar (Cryptomeria japonica). The etiology of this disease, including its main agents, is still incompletely known. This trunk rot was previously attributed to Fomitiporia (Phellinus) hartigii or F. (Phellinus) punctata. Here, we phylogenetically analyzed DNA sequences of four markers from a set of strains isolated from trunk rot symptoms and recovered a single, monophyletic clade, indicating that a single taxon is involved. This clade was identified as Fomitiporia torreyae, a species described from eastern China. This analysis also proved that trunk rot and/or dieback of other conifers and broad-leaf trees, including Sawara cypress (Chamaecyparis pisifera), Japanese umbrella pine (Sciadopitys verticillata), and Japanese pear (Pyrus pyrifolia var. culta), were caused by the same species. The phylogenetic approach to Fomitiporia revealed that the F. torreyae clade was closely related to F. bannaensis, but clearly distinct from F. punctata, which was originally thought to be the cause of trunk rot in Sanbu-sugi. Fomitiporia torreyae is re-described on the basis of more than 40 specimens from multiple hosts from Japan and China. Fomitiporia juniperina comb. nov. is proposed. } }

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