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  1. 農学部
  1. 農学部
  2. 学術雑誌掲載論文 (農学部)

Effect of Stem Polyphenol Content on the Susceptibility to Foot Rot Disease in Sweetpotato [Ipomoea batatas (L.) Lam.]

http://hdl.handle.net/10458/0002001519
http://hdl.handle.net/10458/0002001519
f3f2a401-4197-4821-b190-99ff4ec32ddb
名前 / ファイル ライセンス アクション
jashs-article-p159.pdf Fulltext (726 KB)
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アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2025-07-21
タイトル
タイトル Effect of Stem Polyphenol Content on the Susceptibility to Foot Rot Disease in Sweetpotato [Ipomoea batatas (L.) Lam.]
言語 en
言語
言語 eng
キーワード
言語 en
キーワード caffeoylquinic acid
キーワード
言語 en
キーワード chlorogenic acid
キーワード
言語 en
キーワード filamentous fungus
キーワード
言語 en
キーワード HPLC
キーワード
言語 en
キーワード sweetpotato
資源タイプ
資源タイプ journal article
アクセス権
アクセス権 open access
著者 Setoguchi, Yuno

× Setoguchi, Yuno

en Setoguchi, Yuno
University of Miyazaki

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Fukutome, Haruka

× Fukutome, Haruka

en Fukutome, Haruka
University of Miyazaki

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Narasako, Yosuke

× Narasako, Yosuke

en Narasako, Yosuke
University of Miyazaki

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平野, 智也

× 平野, 智也

WEKO 34894
e-Rad_Researcher 80455584

ja 平野, 智也
宮崎大学

ja-Kana ヒラノ, トモナリ

en Hirano, Tomonari
University of Miyazaki

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Otani, Motoyasu

× Otani, Motoyasu

en Otani, Motoyasu
Ishikawa Prefectural University

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竹下, 稔

× 竹下, 稔

WEKO 35254
e-Rad_Researcher 00304767

ja 竹下, 稔
宮崎大学

ja-Kana タケシタ, ミノル

en Takeshita, Minoru
University of Miyazaki

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國武, 久登

× 國武, 久登

WEKO 1631
e-Rad_Researcher 80289628

ja 國武, 久登
宮崎大学

ja-Kana クニタケ, ヒサト

en Kunitake, Hisato
University of Miyazaki

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抄録
内容記述タイプ Abstract
内容記述 Foot rot (Diaporthe destruens) of sweetpotato generally infects the stem of the plant and then spreads throughout the plant. In Japan, foot rot is prevalent in the main area of sweetpotato production, and there is a pressing need for the development of resistant cultivars. It is generally believed that polyphenols are involved in defense against stress. However, little is known about the relationship between polyphenols and the susceptibility to foot rot in sweetpotato. We thus analyzed the polyphenol of the disease-free healthy stems and investigated their relationship between susceptibility to the disease to establish basic techniques for selecting cultivars resistant to foot rot. Polyphenol was analyzed by the Folin–Ciocalteu method and high-performance liquid chromatography. Resistance tests were conducted using the direct inoculation method. We observed a correlation between the total polyphenol content and the degree of foot rot disease severity. Surprisingly, cultivars with a low stem polyphenol content (‘Tamaakane’) had lower susceptibility to foot rot, whereas the cultivars with high stem polyphenol content (‘Kokei No. 14’) had higher susceptibility to foot rot. In particular, high positive correlations were shown with several polyphenols, including 3,4-dicaffeoylquinic acid and chlorogenic acid. Furthermore, the results of in vitro experiments also suggested that foot rot may metabolize trace amounts of chlorogenic acid. This discovery has potential applications in the selection of resistant cultivars, contributing to the streamlining of disease resistance tests in breeding programs. It could ultimately shorten the breeding period and help overcome foot rot disease in sweetpotato.
言語 en
書誌情報 en : Journal of the American Society for Horticultural Science

巻 150, 号 3, p. 159-167, 発行日 2025-05-01
出版者
出版者 American Society for Horticultural Science
言語 en
ISSN
収録物識別子タイプ PISSN
収録物識別子 00031062
ISSN
収録物識別子タイプ EISSN
収録物識別子 23279788
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.21273/JASHS05482-25
著者版フラグ
出版タイプ VoR
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