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

doi:10.1007/s40858-015-0054-4

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

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	401-404
Number of pages	4
Journal	Tropical Plant Pathology
Volume	40
Issue number	6
DOIs	https://doi.org/10.1007/s40858-015-0054-4
Publication status	Published - 2015 Dec 1

Keywords

Multigene phylogenetic analysis
Mycosphaerella
Pathogenicity
Pygmy waterlily

ASJC Scopus subject areas

Agronomy and Crop Science
Plant Science

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title = " Pseudocercospora leaf spot caused by Pseudocercospora nymphaeacea on Nymphaea tetragona",

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{\textquoteright}s postulates. To our knowledge, this is the first report on P. nymphaeacea infection of N. tetragona.",

keywords = "Multigene phylogenetic analysis, Mycosphaerella, Pathogenicity, Pygmy waterlily",

author = "Park, {Ji Hyun} and Hong, {Seung Beom} and Kim, {Byung Sup} and Kim, {Joon Young} and Shin, {Hyeon Dong}",

year = "2015",

month = dec,

day = "1",

doi = "10.1007/s40858-015-0054-4",

language = "English",

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T1 - Pseudocercospora leaf spot caused by Pseudocercospora nymphaeacea on Nymphaea tetragona

AU - Park, Ji Hyun

AU - Hong, Seung Beom

AU - Kim, Byung Sup

AU - Kim, Joon Young

AU - Shin, Hyeon Dong

PY - 2015/12/1

Y1 - 2015/12/1

N2 - 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.

AB - 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.

KW - Multigene phylogenetic analysis

KW - Mycosphaerella

KW - Pathogenicity

KW - Pygmy waterlily

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