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Initial In Vitro Assessment of the Antifungal Activity of Aqueous Extracts from Three Invasive Plant Species

Author

Listed:
  • Ahmed M. Abbas

    (Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
    Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena 83523, Egypt)

  • Stephen J. Novak

    (Department of Biological Sciences, Boise State University, Boise, ID 83725-1515, USA)

  • Mahmoud Fictor

    (Department of Agricultural Microbiology, Faculty of Agriculture, South Valley University, Qena 83523, Egypt)

  • Yasser S. Mostafa

    (Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia)

  • Saad A. Alamri

    (Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia)

  • Sulaiman A. Alrumman

    (Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia)

  • Mostafa A. Taher

    (Department of Biology, College of Arts and Science, King Khalid University, Muhayl 62529, Saudi Arabia
    Department of Botany, Faculty of Science, Aswan University, Aswan 81528, Egypt)

  • Mohamed Hashem

    (Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
    Department of Botany and Microbiology, Faculty of Science, Assiut University, Assiut 71515, Egypt)

  • Rafat Khalaphallah

    (Department of Agricultural Microbiology, Faculty of Agriculture, South Valley University, Qena 83523, Egypt)

Abstract

The development of new, safe, and effective methods of managing fungal pathogens is required. This study was conducted to perform an initial in vitro assessment of the antifungal activity of water-based plant extracts from three plants which are invasive in Egypt: Prosopis juliflora , Ipomoea carnea , and Leucaena leucocephala . These extracts were tested against three pathogenic fungi species that cause high crop losses in Egypt: Fusarium solani , Alternaria solani , and Colletotrichum circinans . Three extract concentrations, 10%, 20%, and 30%, were tested using a completely randomized design, with three replicates per treatment. Antifungal activity was determined based on the effects of plant extracts on fungal radial growth inhibition, average daily growth of fungi, spore formation, spore germination, and total biomass. Inhibition of the growth of fungal strains increased with increasing plant extract concentration, with the highest inhibitory rate at the 30% extract concentration. In addition, spore density, spore germination, and total biomass decreased significantly with increasing extract concentration. The three fungal pathogens differed in their inhibition and their response to these plant extracts. Prosopis juliflora had the highest inhibitory effect on the three fungal pathogens, compared to the extracts from the other two invasive plants. The results of this feasibility study indicate that P. juliflora extracts have high antifungal activity and follow-up in vivo assays should be conducted to determine their efficacy in the safe and sustainable management of these and other fungal pathogens.

Suggested Citation

  • Ahmed M. Abbas & Stephen J. Novak & Mahmoud Fictor & Yasser S. Mostafa & Saad A. Alamri & Sulaiman A. Alrumman & Mostafa A. Taher & Mohamed Hashem & Rafat Khalaphallah, 2022. "Initial In Vitro Assessment of the Antifungal Activity of Aqueous Extracts from Three Invasive Plant Species," Agriculture, MDPI, vol. 12(8), pages 1-13, August.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:8:p:1152-:d:880102
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    References listed on IDEAS

    as
    1. Ahmed Mahmoud Abbas & Sameh K. Abd-Elmabod & Soad M. El-Ashry & Wagdi Saber Soliman & Noha El-Tayeh & Jesus M. Castillo, 2019. "Capability of the Invasive Tree Prosopis glandulosa Torr. to Remediate Soil Treated with Sewage Sludge," Sustainability, MDPI, vol. 11(9), pages 1-13, May.
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