is a traditional Chinese medicinal plant with a medicinal history of more than 1700 years. Ring leaf blight (RLB) disease, caused by pestalotioid species, is an important disease of , seriously affecting the yield and quality of its fruits. The causal agent of RLB disease has not been systematically identified or characterized yet. In this study, thirty-six pestalotioid strains were isolated from the leaves and stems of that was collected from six cities of Hainan province, China. Based on the multi-locus phylogeny (, and ) and morphological characteristic analyses, seventeen species belonging to three genera (, and ) were identified, and six new species (, , , , and ) were described. Pathogenicity tests revealed that strains of species caused more severe ring leaf blight on than strains of and under wounded inoculation conditions.
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| http://dx.doi.org/10.3390/jof10060371 | DOI Listing |
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