Abstract
Nine species of the genus Phyllactinia and one species of Leveillula on various hosts are recorded for Thailand. Morphological descriptions of powdery mildew specimens on hosts belonging to nine plant families and molecular phylogenetic analyses based on ITS and 28S rRNA gene sequences are provided. Phyllactinia mori-macrourae on Morus macroura (Moraceae) is proposed as new species. Phyllactinia mori-macrourae differs from Ph. moricola by having smaller chasmothecia, less chasmothecial appendages, less asci per chasmothecium, and longer ascospores. Ovulariopsis broussonetiae-papyriferae is combined to Phyllactinia broussonetiae-papyriferae. Phyllactinia alangii, Ph. dalbergiae, Phyllactinia cf. ehretiae, Ph. gmelinae, Ph. moricola, Ph. pyri-serotinae, Ph. Terminaliae, and Leveillula taurica are new records for Thailand. Ehretia laevis and S. aculeatissimum are new host records for powdery mildews species worldwide.
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Acknowledgements
This work was financially supported in part by a Grant-in-Aid for Scientific Research (No. 16K07613 and 16F16097) from the Japan Society for the Promotion of Science to ST and the Japan Society for the Promotion of Science postdoctoral fellowship to JM.
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Meeboon, J., Kokaew, J. & Takamatsu, S. Notes on powdery mildews (Erysiphales) in Thailand VI. Phyllactinia and Leveillula. Mycol Progress 17, 701–718 (2018). https://doi.org/10.1007/s11557-018-1383-8
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DOI: https://doi.org/10.1007/s11557-018-1383-8