Application of Nano-particles Derived from Chaetomium elatum ChE01 to Control Pyricularia oryzae causing Rice Blast

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Published: Nov 15, 2018
Keywords:
Nano-particles Chaetomium Rice Blast

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Song, J. J.
Department of Plant Production Technology, Faculty of Agricultural Technology, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Ladkrabang, Bangkok, Thailand
Kanokmedhakul, S.
Department of Chemistry, Faculty of Science, Khon Khan University, Thailand
Kanokmedhalkul, K.
Department of Chemistry, Faculty of Science, Khon Khan University, Thailand
Soytong, K.
Department of Plant Production Technology, Faculty of Agricultural Technology, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Ladkrabang, Bangkok, Thailand

Abstract

Pyricularia oryzae causing rice blast was isolated and proved for pathogenicity. Chaetomium elatum ChE01 was proved to be antagonized P. oryzae in bi-culture antagonistic test which averaged inhibition of 60.40 % within 15 days. Fungal metabolites from C. elatum ChE01 were extracted and tested to inhibit P. oryzae. Results showed that crude ethyl acetate expressed antifungal activity against P. oryzae which the effective dose50 (ED50) was 231 ppm., followed by crude methanol and crude hexane which the ED50 were 460 and 2,122 ppm. respectively. It was shown that nano-CCE gave the highest inhibition P. oryzae which the ED50 was 8.25 ppm, and followed by nano-CEM and nano-CEH which the ED50 values were 11.21 and 65.52 ppm, respectively. Further research findings are investigated in pot and field experiments.

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How to Cite
Song, J. J., Kanokmedhakul, S., Kanokmedhalkul, K., & Soytong, K. (2018). Application of Nano-particles Derived from Chaetomium elatum ChE01 to Control Pyricularia oryzae causing Rice Blast. International Journal of Agricultural Technology, 14(6), 923–932. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6127
Issue
Vol. 14 No. 6 (2018): November
Section
Original Study
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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