Abstract
During morphological and molecular phylogenetic studies of Melampsora species on willows, one novel species, Melampsora salicis-reinii sp. nov., and two new records, M. ribesii-viminalis and M. ribesii-purpureae, are described from Japan. Melampsora salicis-reinii on Salix reinii was characterized by its amphigenous telia and ellipsoid urediniospores with echinulate spines on a rugose surface. Phylogenetic results using the rDNA ITS region (complete ITS1, 5.8S rRNA gene and ITS2) supported morphological elucidation, and both morphological and molecular evidences supported M. salicis-reinii as a new species. In addition, M. ribesii-viminalis was identified on S. pet-susu and S. sachalinensis, and M. ribesii-purpureae was recognized on S. integra. These two Melampsora species were reported as new records in Japan for the first time.
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Acknowledgments
We express our gratitude to Dr. Ming-Hao Pei (Rothamsted Research, Harpenden, Hertfordshire, UK), Dr. Zhi-Min Cao (Forestry College, Northwest A & F University, Yangling, China) and Dr. Tsuyoshi Hosoya (National Museum of Nature and Science, Tsukuba, Japan) for providing dried specimens for this study.
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Zhao, P., Wang, QH., Tian, CM. et al. A morphological and molecular survey of Japanese Melampsora species on willows reveals a new species and two new records. Mycol Progress 14, 101 (2015). https://doi.org/10.1007/s11557-015-1121-4
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DOI: https://doi.org/10.1007/s11557-015-1121-4