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Fungicidal Effect of Strong Oxidative Free Radicals Against Fusarium graminearum and Their Impact on Wheat Growth and Yield

Author

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  • Huanhuan Zhang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Bo Zhang

    (School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Huagang He

    (School of the Life Sciences, Jiangsu University, Zhenjiang 212013, China)

  • Lulu Zhang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Xinkang Hu

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Chundu Wu

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Province and Education Ministry Cosponsored Synergistic Innovation Center of Modern Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)

Abstract

Fusarium head blight (FHB), caused by Fusarium graminearum , is a significant fungal disease that adversely affects wheat production and food security. This study systematically evaluated the fungicidal efficacy of strong oxidative radicals (SORs) against F. graminearum and their effects on wheat growth and yield through a combination of in vitro and field experiments. In vitro experiments revealed that solutions containing different concentrations of radicals effectively suppressed the fungus. The results suggested that SOR solutions exhibited potent fungicidal activity against F. graminearum . At a concentration of 4.0 mg/L, the spore mortality rate was 96.8%, and at 5.0 mg/L, the rate reached 99.4%. The optimal concentration for the elimination of F. graminearum spores was determined to be 2.5 × 10 5 CFU/mL. The optimal treatment duration for SORs was 10 min. Furthermore, field trials investigated the effects of SORs on wheat growth, and agronomic traits were assessed, along with their efficacy in controlling FHB in field trials, both as a standalone treatment and in combination with commercial pesticides. The results indicated that the application of SORs alone achieved an 87.9% control efficacy, demonstrating significant potential for disease control. Furthermore, SORs positively influenced wheat agronomic traits such as plant height, spike length, grain weight per plant, grain number per plant and grain yield, providing a promising new approach for the green control of FHB.

Suggested Citation

  • Huanhuan Zhang & Bo Zhang & Huagang He & Lulu Zhang & Xinkang Hu & Chundu Wu, 2025. "Fungicidal Effect of Strong Oxidative Free Radicals Against Fusarium graminearum and Their Impact on Wheat Growth and Yield," Agriculture, MDPI, vol. 15(4), pages 1-19, February.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:4:p:404-:d:1591412
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    References listed on IDEAS

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    1. Zheng, Zhen & Hoogenboom, Gerrit & Cai, Huanjie & Wang, Zikai, 2020. "Winter wheat production on the Guanzhong Plain of Northwest China under projected future climate with SimCLIM," Agricultural Water Management, Elsevier, vol. 239(C).
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