Isolation of Broad-Spectrum Antifungal Bacteria against Phytopathogenic Fungi

Date Received: 07-02-2025

Date Published: 21-02-2025

##submissions.doi##: https://doi.org/10.1234/s7345s51

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Issue: Vol. 22 No. 9 (2024)

Section:

KỸ THUẬT VÀ CÔNG NGHỆ

How to Cite:

Hien, P., Yen, T., & Tam, D. (2025). Isolation of Broad-Spectrum Antifungal Bacteria against Phytopathogenic Fungi. Vietnam Journal of Agricultural Sciences, 22(9). https://doi.org/10.1234/s7345s51

Isolation of Broad-Spectrum Antifungal Bacteria against Phytopathogenic Fungi

Pham Hong Hien , Tran Thi Bao Yen , Dang Thi Thanh Tam (*)

  • Tác giả liên hệ: thanhtam@vnua.edu.vn

    • Keywords

    Bacillus sp, Fusarium solani, Fusarium oxysporum, Alternaria alternata

    Abstract


    The research aimed to identify potential antifungal bacteria against phytopathogenic fungi. From rhizosphere soil samples, 43 bacterial isolates were collected and screened. The results indicated that there were three strains with strong antifungal activity against fungal phytopathogens, including Fusarium solani, Fusarium oxysporum, and Alternaria alternata. In addition, the biological characteristics of three potential bacterial strains were evaluated. Based on analysis of 16S rRNA sequence and specific genes, all three bacterial strains were identified and named as Bacillus sp. TV1.1, B. amyloliquefaciens TV2.5, and B. subtilis TV2.12. The results indicate that all three antagonistic bacterial strains could be potential biocontrol agents to control fungal diseases in plants.

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