Goldenseal (Hydrastis canadensis L.) Extracts Inhibit the Growth of Fungal Isolates Associated with American Ginseng (Panax quinquefolius L.)

American ginseng, a highly valuable crop in North America, is susceptible to various diseases caused by fungal pathogens, including Alternaria spp., Fusarium spp., and Pestalotiopsis spp. The development of alternative control strategies that use botanicals to control fungal pathogens in American ginseng is desired as it provides multiple benefits. In this study, we isolated and identified three fungal isolates, Alternaria panax, Fusarium sporotrichioides, and Pestalotiopsis nanjingensis, from diseased American ginseng plants. Ethanolic and aqueous extracts from the roots and leaves of goldenseal were prepared, and the major alkaloid constituents were assessed via liquid chromatography–mass spectrometry (LC–MS). Next, the antifungal effects of goldenseal extracts were tested against these three fungal pathogens. Goldenseal root ethanolic extracts exhibited the most potent inhibition against fungal growth, while goldenseal root aqueous extracts and leaf ethanolic extracts showed only moderate inhibition. At 2% (m/v) concentration, goldenseal root ethanolic extracts showed an inhibition rate of 86.0%, 94.9%, and 39.1% against A. panax, F. sporotrichioides, and P. nanjingensis, respectively. The effect of goldenseal root ethanolic extracts on the mycelial morphology of fungal isolates was studied via scanning electron microscopy (SEM). The mycelia of the pathogens treated with the goldenseal root ethanolic extract displayed considerable morphological alterations. This study suggests that goldenseal extracts have the potential to be used as a botanical fungicide to control plant fungal diseases caused by A. panax, F. sporotrichioides, or P. nanjingensis.

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Work Title Goldenseal (Hydrastis canadensis L.) Extracts Inhibit the Growth of Fungal Isolates Associated with American Ginseng (Panax quinquefolius L.)
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Open Access
Creators
  1. Ying Gao
  2. Ethan Swiggart
  3. Kaela Wolkiewicz
  4. Prabha Liyanapathiranage
  5. Fulya Baysal-Gurel
  6. Farhat A. Avin
  7. Eleanor F. P. Lopez
  8. Rebecca T. Jordan
  9. Joshua Kellogg
  10. Eric P. Burkhart
Keyword
  1. Alternaria panax
  2. Fusarium sporotrichioides
  3. Pestalotiopsis nanjingensis
  4. Antifungal
  5. Botanical pesticide
License CC BY 4.0 (Attribution)
Work Type Article
Publisher
  1. Molecules
Publication Date January 23, 2024
Publisher Identifier (DOI)
  1. 10.3390/molecules29030556
Related URLs
Deposited February 10, 2025

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Version 1
published

  • Created
  • Updated
  • Added Creator Ying Gao
  • Added Creator Ethan Swiggart
  • Added Creator Kaela Wolkiewicz
  • Added Creator Prabha Liyanapathiranage
  • Added Creator Fulya Baysal-Gurel
  • Added Creator Farhat A. Avin
  • Added Creator Eleanor F. Lopez
  • Added Creator Rebecca T. Jordan
  • Added Creator Joshua Kellogg
  • Added Creator Eric P Burkhart
  • Updated Keyword, Publisher, Publisher Identifier (DOI), and 3 more Show Changes
    Keyword
    • Fungal Isolates, American Ginseng, Goldenseal, Hydrastis, Ethanolic Extract, Panax, Roots Aqueous Extract, Alternaria Panax, Leaves Ethanolic Extract, Botanical Fungicide, Mycelial Morphology, Fungicide, Fusarium, Mycelium, Scanning Electron Microscopy, Alternaria
    Publisher
    • Molecules
    Publisher Identifier (DOI)
    • 10.3390/molecules29030556
    Related URLs
    • https://www.mdpi.com/1420-3049/29/3/556/pdf?version=1705993392
    Description
    • <jats:p>American ginseng, a highly valuable crop in North America, is susceptible to various diseases caused by fungal pathogens, including Alternaria spp., Fusarium spp., and Pestalotiopsis spp. The development of alternative control strategies that use botanicals to control fungal pathogens in American ginseng is desired as it provides multiple benefits. In this study, we isolated and identified three fungal isolates, Alternaria panax, Fusarium sporotrichioides, and Pestalotiopsis nanjingensis, from diseased American ginseng plants. Ethanolic and aqueous extracts from the roots and leaves of goldenseal were prepared, and the major alkaloid constituents were assessed via liquid chromatography–mass spectrometry (LC–MS). Next, the antifungal effects of goldenseal extracts were tested against these three fungal pathogens. Goldenseal root ethanolic extracts exhibited the most potent inhibition against fungal growth, while goldenseal root aqueous extracts and leaf ethanolic extracts showed only moderate inhibition. At 2% (m/v) concentration, goldenseal root ethanolic extracts showed an inhibition rate of 86.0%, 94.9%, and 39.1% against A. panax, F. sporotrichioides, and P. nanjingensis, respectively. The effect of goldenseal root ethanolic extracts on the mycelial morphology of fungal isolates was studied via scanning electron microscopy (SEM). The mycelia of the pathogens treated with the goldenseal root ethanolic extract displayed considerable morphological alterations. This study suggests that goldenseal extracts have the potential to be used as a botanical fungicide to control plant fungal diseases caused by A. panax, F. sporotrichioides, or P. nanjingensis.</jats:p>
    Publication Date
    • 2024-01-23
  • Updated
  • Updated
  • Updated Creator Ying Gao
  • Updated Creator Ethan Swiggart
  • Updated Creator Kaela Wolkiewicz
  • Updated Creator Prabha Liyanapathiranage
  • Updated Creator Fulya Baysal-Gurel
  • Updated Creator Farhat A. Avin
  • Updated Creator Eleanor F. Lopez
  • Updated Creator Rebecca T. Jordan
  • Updated Creator Joshua Kellogg
  • Updated Creator Eric P Burkhart
  • Added Gao et al_2024_Goldenseal (Hydrastis canadensis L.pdf
  • Added molecules-2748936-supplementary.pdf
  • Updated License Show Changes
    License
    • https://creativecommons.org/licenses/by/4.0/
  • Published
  • Updated
  • Updated Keyword, Description, Related URLs Show Changes
    Keyword
    • Fungal Isolates, American Ginseng, Goldenseal, Hydrastis, Ethanolic Extract, Panax, Roots Aqueous Extract, Alternaria Panax, Leaves Ethanolic Extract, Botanical Fungicide, Mycelial Morphology, Fungicide, Fusarium, Mycelium, Scanning Electron Microscopy, Alternaria
    • Alternaria panax, Fusarium sporotrichioides, Pestalotiopsis nanjingensis, Antifungal, Botanical pesticide
    Description
    • <jats:p>American ginseng, a highly valuable crop in North America, is susceptible to various diseases caused by fungal pathogens, including Alternaria spp., Fusarium spp., and Pestalotiopsis spp. The development of alternative control strategies that use botanicals to control fungal pathogens in American ginseng is desired as it provides multiple benefits. In this study, we isolated and identified three fungal isolates, Alternaria panax, Fusarium sporotrichioides, and Pestalotiopsis nanjingensis, from diseased American ginseng plants. Ethanolic and aqueous extracts from the roots and leaves of goldenseal were prepared, and the major alkaloid constituents were assessed via liquid chromatography–mass spectrometry (LC–MS). Next, the antifungal effects of goldenseal extracts were tested against these three fungal pathogens. Goldenseal root ethanolic extracts exhibited the most potent inhibition against fungal growth, while goldenseal root aqueous extracts and leaf ethanolic extracts showed only moderate inhibition. At 2% (m/v) concentration, goldenseal root ethanolic extracts showed an inhibition rate of 86.0%, 94.9%, and 39.1% against A. panax, F. sporotrichioides, and P. nanjingensis, respectively. The effect of goldenseal root ethanolic extracts on the mycelial morphology of fungal isolates was studied via scanning electron microscopy (SEM). The mycelia of the pathogens treated with the goldenseal root ethanolic extract displayed considerable morphological alterations. This study suggests that goldenseal extracts have the potential to be used as a botanical fungicide to control plant fungal diseases caused by A. panax, F. sporotrichioides, or P. nanjingensis.</jats:p>
    • American ginseng, a highly valuable crop in North America, is susceptible to various diseases caused by fungal pathogens, including _Alternaria_ spp., _Fusarium_ spp., and _Pestalotiopsis_ spp. The development of alternative control strategies that use botanicals to control fungal pathogens in American ginseng is desired as it provides multiple benefits. In this study, we isolated and identified three fungal isolates, _Alternaria panax_, _Fusarium sporotrichioides_, and _Pestalotiopsis nanjingensis_, from diseased American ginseng plants. Ethanolic and aqueous extracts from the roots and leaves of goldenseal were prepared, and the major alkaloid constituents were assessed via liquid chromatography–mass spectrometry (LC–MS). Next, the antifungal effects of goldenseal extracts were tested against these three fungal pathogens. Goldenseal root ethanolic extracts exhibited the most potent inhibition against fungal growth, while goldenseal root aqueous extracts and leaf ethanolic extracts showed only moderate inhibition. At 2% (m/v) concentration, goldenseal root ethanolic extracts showed an inhibition rate of 86.0%, 94.9%, and 39.1% against _A. panax_, _F. sporotrichioides_, and _P. nanjingensis_, respectively. The effect of goldenseal root ethanolic extracts on the mycelial morphology of fungal isolates was studied via scanning electron microscopy (SEM). The mycelia of the pathogens treated with the goldenseal root ethanolic extract displayed considerable morphological alterations. This study suggests that goldenseal extracts have the potential to be used as a botanical fungicide to control plant fungal diseases caused by _A. panax_, _F. sporotrichioides_, or _P. nanjingensis_.
    Related URLs
    • https://www.mdpi.com/1420-3049/29/3/556/pdf?version=1705993392
    • https://doi.org/10.3390/molecules29030556
  • Renamed Creator Eleanor F. P. Lopez Show Changes
    • Eleanor F. Lopez
    • Eleanor F. P. Lopez
  • Renamed Creator Eric P. Burkhart Show Changes
    • Eric P Burkhart
    • Eric P. Burkhart