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The Control of Rice Blast Disease by the Novel Biofungicide Formulations

Author

Listed:
  • Wen-Ching Chen

    (International Bachelor Program of Agribusiness, National Chung-Hsing University, Taichung 40227, Taiwan)

  • Tai-Ying Chiou

    (School of Regional Innovation and Social Design Engineering, Kitami Institute of Technology, Hokkaido 090-8507, Japan)

  • Aileen L. Delgado

    (Environmental Engineering Graduate Program, University of the Philippines-Diliman, Manila 1000, Philippines)

  • Chien-Sen Liao

    (Department of Civil and Ecological Engineering, I-Shou University, Kaohsiung 84001, Taiwan
    Institute of Biotechnology and Chemical Engineering, I-Shou University, Kaohsiung 84001, Taiwan
    Graduate School of Human Life Science, Osaka City University, Sugimoto 558-8585, Japan)

Abstract

The study aims to develop novel biofungicide formulations against rice blast disease. A total of 300 rhizobacteria strains were isolated from rice field soil and were examined for the inhibition of Magnaporthe oryzae growth in a vitro test. Among them, only six rhizobacteria showed inhibition against M. oryzae . The three strains that showed the highest inhibition were Bacillus subtilis 5, B. cereus 3S5, and Pseudomonas fluorecens 10S2. A rice hull mixture and liquid medium were mixed with the above-mentioned bacterial suspensions into three bacterial formulas and tested separately on the rice cultivar UPLRi-5 after infection by M. oryzae under a controlled condition. The three novel biofungicide formulas significantly inhibited rice blast disease intensity with a mean disease control rate being approximately 31% higher than the control. The formulas proved to be effective and should be considered as promising novel treatments for rice blast disease.

Suggested Citation

  • Wen-Ching Chen & Tai-Ying Chiou & Aileen L. Delgado & Chien-Sen Liao, 2019. "The Control of Rice Blast Disease by the Novel Biofungicide Formulations," Sustainability, MDPI, vol. 11(12), pages 1-9, June.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:12:p:3449-:d:242274
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    Citations

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    Cited by:

    1. Ni Luh Suriani & Dewa Ngurah Suprapta & Novizar Nazir & Ni Made Susun Parwanayoni & Anak Agung Ketut Darmadi & Desy Andya Dewi & Ni Wayan Sudatri & Ahmad Fudholi & R. Z. Sayyed & Asad Syed & Abdallah , 2020. "A Mixture of Piper Leaves Extracts and Rhizobacteria for Sustainable Plant Growth Promotion and Bio-Control of Blast Pathogen of Organic Bali Rice," Sustainability, MDPI, vol. 12(20), pages 1-18, October.
    2. Mohamed Hashem & Yasser S. Mostafa & Saad Alamri & Ahmed M. Abbas & Ebrahem M. Eid, 2021. "Exploitation of Agro-Industrial Residues for the Formulation of a New Active and Cost Effective Biofungicide to Control the Root Rot of Vegetable Crops," Sustainability, MDPI, vol. 13(16), pages 1-13, August.
    3. Linda Ferrari, 2022. "Farmers' attitude toward CRISPR/Cas9: The case of blast resistant rice," Agribusiness, John Wiley & Sons, Ltd., vol. 38(1), pages 175-194, January.

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