Raffaelea quercus-mongolicae sp. nov. associated with Platypus koryoensis on oak in Korea
A previously undescribed fungus frequently isolated in Korea from dead oak trees (e.g., Quercus mongolica, Q. aliena, Q. serrata) attacked by the ambrosia beetle, Platypus koryoensis, is described as Raffaelea quercus-mongolicae. Phylogenetic analysis of 18S rDNA
sequences shows the new species to be closely related to R. quercivora, a causal agent of oak mortality in Japan, while ITS rDNA and β-tubulin sequence analyses reveal significant differences. Raffaelea quercus-mongolicae also differs from R. quercivora in conidial
shape, associated ambrosia beetle species, geographic origin, and host range.
Keywords: AMBROSIELLA; MORPHOLOGY; OPHIOSTOMATALES; PHYLOGENY; SYMBIONT
Document Type: Research Article
Publication date: 30 December 2009
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