title: Molecular phylogenetic status of Korean strain of Podosphaera xanthii, a causal pathogen of powdery mildew on Japanese thistle (Cirsium japonicum) in Korea.
abstract: Powdery mildew diseases are sensitive to climate change and spread can be favored by increased temperature and low moisture. During 2011 to 2012, a powdery mildew disease by a Podosphaera species was observed on the leaves of Japanese thistle (Cirsium japonicum) in Korea. The initial sign of this disease included scattered superficial white mycelia on leaves. As the disease progressed, abundant necrotic black spots exhibiting chasmothecia were formed on the leaves. rDNA ITS and 28S homologies of the fungus (EML-CSPW1) showed 100% identity values with those regions from many strains of P. xanthii (syn. P. fusca) via NCBI BLASTN search.
authors.affiliation: Division of Applied Bioscience & Biotechnology, College of Agriculture & Life Sciences, Chonnam National University, Gwangju 500-757, Republic of Korea. hblee@jnu.ac.kr
authors.forename: Hyang Burm
authors.initials: HB
authors.lastname: Lee
mesh_terms: D001203:Ascomycota / Q000145:classification* / Q000235:genetics*; D031180:Cirsium / Q000382:microbiology*; D021901:DNA, Intergenic / Q000235:genetics; D010641:Phenotype; D010802:Phylogeny; D010935:Plant Diseases / Q000382:microbiology*; D018515:Plant Leaves / Q000382:microbiology; D012339:RNA, Ribosomal, 28S / Q000235:genetics; D056910:Republic of Korea
chemical_list: D021901:DNA, Intergenic; D012339:RNA, Ribosomal, 28S