First Report of an Apple Ring Rot Fungus Botryosphaeria kuwatsukai in Korea

Gwang Jae Lim; Kallol Das; Hyeong Jin Noh; Seong Keun Lim; Young Je Cho; Seung Yeol Lee; Hee Young Jung; Seong Hwan Kim

doi:10.4489/KJM.20230012

First Report of an Apple Ring Rot Fungus Botryosphaeria kuwatsukai in Korea

Gwang Jae Lim, Kallol Das, Hyeong Jin Noh, Seong Keun Lim, Young Je Cho, Seung Yeol Lee, Hee Young Jung, Seong Hwan Kim

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

1 Scopus citations

Abstract

Three fungal strains designated as KNUF-23-MG32, KNUF-23-YC8, and KNUF-23-MJ82 were isolated from the abnormal symptomatic apple trees during screening fungal pathogens collected in Jeollanam-do and Gyeongsangbuk-do, Korea. These fungal strains were found to have similar cultural and morphological characteristics close to the genus Botryosphaeria. Morphological characteristics were matched with B. kuwatsukai CBS 135219 but different with B. dothidea KACC 45481 and B. sinensis HMAS 246714^T. Pathogenicity tests of strain KNUF-23-MG32 showed that this strain causes rot in Fuji apples. Molecular phylogenetic analysis based on the sequences of the internal transcribed spacer (ITS) regions, translation elongation factor 1-alpha (TEF1α), and partial β-tubulin (TUB2) showed that these strains are B. kuwatsukai. To the best of our knowledge, this is the first report of an apple ring rot fungus Botryosphaeria kuwatsukai in Korea.

Original language	English
Pages (from-to)	111-120
Number of pages	10
Journal	Korean Journal of Mycology
Volume	51
Issue number	2
DOIs	https://doi.org/10.4489/KJM.20230012
State	Published - Jun 2023

Keywords

Botryosphaeriaceae
Fuji apple
Malus domestica
Phylogeny

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title = "First Report of an Apple Ring Rot Fungus Botryosphaeria kuwatsukai in Korea",

abstract = "Three fungal strains designated as KNUF-23-MG32, KNUF-23-YC8, and KNUF-23-MJ82 were isolated from the abnormal symptomatic apple trees during screening fungal pathogens collected in Jeollanam-do and Gyeongsangbuk-do, Korea. These fungal strains were found to have similar cultural and morphological characteristics close to the genus Botryosphaeria. Morphological characteristics were matched with B. kuwatsukai CBS 135219 but different with B. dothidea KACC 45481 and B. sinensis HMAS 246714T. Pathogenicity tests of strain KNUF-23-MG32 showed that this strain causes rot in Fuji apples. Molecular phylogenetic analysis based on the sequences of the internal transcribed spacer (ITS) regions, translation elongation factor 1-alpha (TEF1α), and partial β-tubulin (TUB2) showed that these strains are B. kuwatsukai. To the best of our knowledge, this is the first report of an apple ring rot fungus Botryosphaeria kuwatsukai in Korea.",

keywords = "Botryosphaeriaceae, Fuji apple, Malus domestica, Phylogeny",

author = "Lim, {Gwang Jae} and Kallol Das and Noh, {Hyeong Jin} and Lim, {Seong Keun} and Cho, {Young Je} and Lee, {Seung Yeol} and Jung, {Hee Young} and Kim, {Seong Hwan}",

note = "Publisher Copyright: {\textcopyright} 2023 THE KOREAN SOCIETY OF MYCOLOGY.",

year = "2023",

month = jun,

doi = "10.4489/KJM.20230012",

language = "English",

volume = "51",

pages = "111--120",

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publisher = "Korean Society of Mycology",

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T1 - First Report of an Apple Ring Rot Fungus Botryosphaeria kuwatsukai in Korea

AU - Lim, Gwang Jae

AU - Das, Kallol

AU - Noh, Hyeong Jin

AU - Lim, Seong Keun

AU - Cho, Young Je

AU - Lee, Seung Yeol

AU - Jung, Hee Young

AU - Kim, Seong Hwan

PY - 2023/6

Y1 - 2023/6

N2 - Three fungal strains designated as KNUF-23-MG32, KNUF-23-YC8, and KNUF-23-MJ82 were isolated from the abnormal symptomatic apple trees during screening fungal pathogens collected in Jeollanam-do and Gyeongsangbuk-do, Korea. These fungal strains were found to have similar cultural and morphological characteristics close to the genus Botryosphaeria. Morphological characteristics were matched with B. kuwatsukai CBS 135219 but different with B. dothidea KACC 45481 and B. sinensis HMAS 246714T. Pathogenicity tests of strain KNUF-23-MG32 showed that this strain causes rot in Fuji apples. Molecular phylogenetic analysis based on the sequences of the internal transcribed spacer (ITS) regions, translation elongation factor 1-alpha (TEF1α), and partial β-tubulin (TUB2) showed that these strains are B. kuwatsukai. To the best of our knowledge, this is the first report of an apple ring rot fungus Botryosphaeria kuwatsukai in Korea.

AB - Three fungal strains designated as KNUF-23-MG32, KNUF-23-YC8, and KNUF-23-MJ82 were isolated from the abnormal symptomatic apple trees during screening fungal pathogens collected in Jeollanam-do and Gyeongsangbuk-do, Korea. These fungal strains were found to have similar cultural and morphological characteristics close to the genus Botryosphaeria. Morphological characteristics were matched with B. kuwatsukai CBS 135219 but different with B. dothidea KACC 45481 and B. sinensis HMAS 246714T. Pathogenicity tests of strain KNUF-23-MG32 showed that this strain causes rot in Fuji apples. Molecular phylogenetic analysis based on the sequences of the internal transcribed spacer (ITS) regions, translation elongation factor 1-alpha (TEF1α), and partial β-tubulin (TUB2) showed that these strains are B. kuwatsukai. To the best of our knowledge, this is the first report of an apple ring rot fungus Botryosphaeria kuwatsukai in Korea.

KW - Botryosphaeriaceae

KW - Fuji apple

KW - Malus domestica

KW - Phylogeny

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SN - 0253-651X

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JO - Korean Journal of Mycology

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ER -

First Report of an Apple Ring Rot Fungus Botryosphaeria kuwatsukai in Korea

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