Pseudocercospora leaf spot caused by Pseudocercospora nymphaeacea on Nymphaea tetragona

Ji Hyun Park, Seung Beom Hong, Byung Sup Kim, Joon Young Kim, Hyeon-Dong Shin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Pygmy waterlily (Nymphaea tetragona, Nymphaeaceae) is a perennial aquatic herb with floating leaves and beautiful flowers. Leaf spot on pygmy waterlilies appeared in 2009 at several locations in Korea, e.g., Suwon in 2009, Yangpyeong in 2011, and Seoul in 2014. The leaf spots were circular to irregular, small, and brown in the center with a dark brown margin. The spots later became milky white. The causative agent of the leaf spot was identified as Pseudocercospora nymphaeacea. Morphological observations and multigene phylogenetic analyses of the internal transcribed spacer (ITS), the partial translation elongation factor 1-alpha (TEF-1α), and actin (ACT) regions are provided. The pathogenicity test was conducted twice with similar results, which fulfilled Koch’s postulates. To our knowledge, this is the first report on P. nymphaeacea infection of N. tetragona.

Original languageEnglish
Pages (from-to)401-404
Number of pages4
JournalTropical Plant Pathology
Volume40
Issue number6
DOIs
Publication statusPublished - 2015 Dec 1

Fingerprint

leaf spot
Tetragona
Pseudocercospora
Nymphaea
water lilies
Nymphaeaceae
translation (genetics)
internal transcribed spacers
actin
Korean Peninsula
herbs
pathogenicity
flowers
phylogeny
infection
leaves
testing

Keywords

  • Multigene phylogenetic analysis
  • Mycosphaerella
  • Pathogenicity
  • Pygmy waterlily

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

Cite this

Pseudocercospora leaf spot caused by Pseudocercospora nymphaeacea on Nymphaea tetragona. / Park, Ji Hyun; Hong, Seung Beom; Kim, Byung Sup; Kim, Joon Young; Shin, Hyeon-Dong.

In: Tropical Plant Pathology, Vol. 40, No. 6, 01.12.2015, p. 401-404.

Research output: Contribution to journalArticle

Park, Ji Hyun ; Hong, Seung Beom ; Kim, Byung Sup ; Kim, Joon Young ; Shin, Hyeon-Dong. / Pseudocercospora leaf spot caused by Pseudocercospora nymphaeacea on Nymphaea tetragona. In: Tropical Plant Pathology. 2015 ; Vol. 40, No. 6. pp. 401-404.
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