Frontiers in plant science · 2026
Plant growth promoting fungi suppress the infection with powdery mildew in wheat plants.
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Alzahrani Faisal Ay, Elsharkawy Mohsen M
Аннотация
INTRODUCTION: Triticum aestivum L. (wheat) is severely affected by powdery mildew in Egypt and worldwide, which is caused by the fungus Blumeria graminis f. sp. tritici (Bgt).
METHODS: The effectiveness of Penicillium simplicissimum GP17-2, Fusarium equiseti GF18.3 and GF19.1, Trichoderma asperellum SKT-1, Phoma sp. GS7.3, GS8.1 and GS8.3, and Coniothyrium aleuritis GU23.3 on controlling powdery mildew was evaluated under greenhouse conditions.
RESULTS AND DISCUSSION: The PGPF (plant growth-promoting fungi) strains showed a reduction in symptoms and disease progression. Wheat plants treated with PGPF strains showed increased activities of catalase and peroxidase enzymes as well as transcriptions of the PR1-PR5 and PR10 genes at 1- and 2-days post-inoculation. The results lead us to believe that PGPF strains might be a promising environmentally friendly method to enhance plant growth and control wheat powdery mildew.
METHODS: The effectiveness of Penicillium simplicissimum GP17-2, Fusarium equiseti GF18.3 and GF19.1, Trichoderma asperellum SKT-1, Phoma sp. GS7.3, GS8.1 and GS8.3, and Coniothyrium aleuritis GU23.3 on controlling powdery mildew was evaluated under greenhouse conditions.
RESULTS AND DISCUSSION: The PGPF (plant growth-promoting fungi) strains showed a reduction in symptoms and disease progression. Wheat plants treated with PGPF strains showed increased activities of catalase and peroxidase enzymes as well as transcriptions of the PR1-PR5 and PR10 genes at 1- and 2-days post-inoculation. The results lead us to believe that PGPF strains might be a promising environmentally friendly method to enhance plant growth and control wheat powdery mildew.