Abstract
A stem canker disease of Tatarian dogwood (Cornus alba) was observed in Shandong province of China in 2008. The pathogen was isolated from typical canker tissues and fulfilled Koch's Postulates. The morphological characteristics of the pathogen were determined and the internal transcribed spacer (ITS) region of the rDNA, the translation elongation factor 1-α (EF1-α) and β-tubulin (BT) were amplified by PCR for molecular identification. On the basis of the symptoms, morphological characteristics and sequence data, the pathogen was identified as Botryosphaeria dothidea (anamorph Fusicoccum aesculi). This is the first report of this pathogen on Tatarian dogwood in China, and to the best of our knowledge, the world.
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This work was supported by grants from the National Natural Science Foundation of China (31270687, 30972367) and Special Funding for Basic s&t Work of Ministry of Science and Technology of China (2009FY210100).
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Zong-Xia Zhang and De-Fa Deng contributed equally to the work.
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Zhang, ZX., Deng, DF., Qi, WJ. et al. Botryosphaeria dothidea, the causal agent of a new stem canker disease of Tatarian dogwood (Cornus alba) in China. Australasian Plant Pathol. 42, 113–119 (2013). https://doi.org/10.1007/s13313-012-0197-4
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DOI: https://doi.org/10.1007/s13313-012-0197-4