Abstract
Cathay silver fir, Cathaya argyrophylla, is a national first-class protected species in China and honored as a “living fossil” of the plant kingdom. Recently, a needle cast of Cathay silver fir of the Guangxi Zhuang Autonomous Region, China was investigated. This pathogen not only reduces the host ornamental value, but seriously affects the growth of this endangered plant. In this paper, the needle cast, formerly misidentified as Lophodermium pinastri, is identified as Lophodermium cathayae. L. cathayae differs morphologically from L. pinastri in many aspects, but particularly in anamorph morphology. An analysis of the internal transcribed spacer of rDNA shows that L. cathayae is closely related to L. pinastri and that further study is required in order to update the circumscription of L. pinastri. The fungal diversity conservation for new species L. cathayae is discussed.
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Acknowledgments
We would like to thank Dr. D.W. Minter (CABI, UK) for his incisive comments and help for manuscript with his abundant knowledge and experience on biodiversity conservation and taxonomy, to Dr L.D Guo (Chinese Academy of Sciences) for his help with phylogenetic analysis, to Christine Verhille at the University of British Columbia for her assistance with English language and grammatical editing of the manuscript, Dr. P.R. Johnston (Landcare Research, New Zealand) for providing related literatures, to Dr. W.Y. Zhuang (Chinese Academy of Sciences) for giving valuable suggestions, to Mr. H.-B. Luo et al. (Guangxi Academy of Forestry, China) for field investigations on the Lophodermium needle cast of Cathay silver fir, and to Dr. S.-J. Wang and L. Chen (Anhui Agricultural University, China) for assisting in the micrograph. The study was supported by the National Natural Science Foundation of China (No. 30870014 and 31170019), the Specialized Research Fund for the Doctoral Program of Higher Education of China (No. 20070364002), the Natural Science Foundation of Anhui Province of China (No. 070411005), the Guangxi Scientific Research and Technological Development Project (GSTKP 0322003–3) and PHR (KZ201110028036).
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Gao, XM., Lin, YR., Huang, HY. et al. A new species of Lophodermium associated with the needle cast of Cathay silver fir. Mycol Progress 12, 141–149 (2013). https://doi.org/10.1007/s11557-012-0817-y
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DOI: https://doi.org/10.1007/s11557-012-0817-y