Outbreak of powdery mildew on zinnia elegans by Golovinomyces cichoracearum in Korea, 2008-2010

Mi Jeong Park, Ji Hyun Park, Hong Gi Kim, Soon Gu Lee, Young Jin Koh, Byung Sup Kim, Byeongjin Cha, Hyang Burm Lee, Hyeon-Dong Shin

Research output: Contribution to journalArticle

Abstract

Podosphaera fusca (syn. Sphaerotheca fusca, S. fuliginea) is a causal agent of powdery mildew infections on Zinnia elegans, and has been documented in Korea since 1967. An outbreak involving about 1,000 plants in October 2008, in Yangpyeong, Korea, was caused by Golovinomyces cichoracearum. Further surveys of zinnia powdery mildew from 2008-2010 confirmed the widespread occurrence of Zinnia-Golovinomyces association in Korea. Chasmothecia of this fungus have not been found on Z. elegans in Korea. Analysis of internal transcribed spacer rDNA from five Korean collections confirmed the powdery mildew as G. cichoracearum. Comparison with the those from GenBank revealed 100% identity with sequences from zinnia powdery mildew, forming a monophyletic clade with 100% bootstrap support, and with those of G. cichoracearum parasitic on the hosts belonging to the tribe Heliantheae of the family Asteraceae.

Original languageEnglish
Pages (from-to)85-88
Number of pages4
JournalPlant Pathology Journal
Volume27
Issue number1
DOIs
Publication statusPublished - 2011 Dec 1

Fingerprint

Zinnia violacea
Zinnia
powdery mildew
Korean Peninsula
Sphaerotheca fuliginea
internal transcribed spacers
Asteraceae
fungi
Golovinomyces
infection
Podosphaera fusca

Keywords

  • Heliantheae
  • ITS sequence
  • Podosphaera fusca
  • Reticuloidium

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Outbreak of powdery mildew on zinnia elegans by Golovinomyces cichoracearum in Korea, 2008-2010. / Park, Mi Jeong; Park, Ji Hyun; Kim, Hong Gi; Lee, Soon Gu; Koh, Young Jin; Kim, Byung Sup; Cha, Byeongjin; Lee, Hyang Burm; Shin, Hyeon-Dong.

In: Plant Pathology Journal, Vol. 27, No. 1, 01.12.2011, p. 85-88.

Research output: Contribution to journalArticle

Park, Mi Jeong ; Park, Ji Hyun ; Kim, Hong Gi ; Lee, Soon Gu ; Koh, Young Jin ; Kim, Byung Sup ; Cha, Byeongjin ; Lee, Hyang Burm ; Shin, Hyeon-Dong. / Outbreak of powdery mildew on zinnia elegans by Golovinomyces cichoracearum in Korea, 2008-2010. In: Plant Pathology Journal. 2011 ; Vol. 27, No. 1. pp. 85-88.
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