Powdery Mildew Caused by an Erysiphe sp. on Korean Ginseng

Sung Eun Cho, Mi Jeong Park, Gug Seoun Choi, Ji Hyun Park, Hyeon Dong Shin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


In August and September 2014, Korean ginseng (Panax ginseng) plants showing symptoms of powdery mildew infection were found in a polyethylene film-covered greenhouse in Suwon, Korea. The mildew was initially observed to occur in circular to irregular white colonies, which subsequently developed into abundant mycelial growths on both leaf surfaces. No chasmothecia were observed. Based on its morphological characteristics, the fungus was determined to be a species of Erysiphe. Phylogenetic analysis of the sequence of the internal transcribed spacer region of the ribosomal DNA obtained from the isolate placed the powdery mildew fungus in the genus Erysiphe. Here, we describe this Erysiphe sp. found growing on Korean ginseng using both illustrations and molecular data. A comparison of the Korean isolate and three previous records of powdery mildews known to grow on Panax plants is also provided. This is the first report of powdery mildew on Korean ginseng in Korea.

Original languageEnglish
Pages (from-to)337-341
Number of pages5
JournalJournal of Phytopathology
Issue number5
Publication statusPublished - 2016

Bibliographical note

Funding Information:
This work was supported by the BK21 Plus program in 2013 funded by the National Research Foundation of Korea (NRF) and also in part by a special grant (2014) from Korea University to HDS.

Publisher Copyright:
© 2015 Blackwell Verlag GmbH


  • Erysiphaceae
  • Erysiphe panacis
  • Panax ginseng
  • anamorph

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Genetics
  • Plant Science


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