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bioRxiv · 10.1101/339283

Nano-particles constructed from Chaetomium cochliodes CTh05 against Magnaporthe oryzae causing rice blast

Song, J. J.·Kanokmedhakul, S.·Kanokmedhkul, K.·Poeaim, S.·Soytong, K.
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Abstract

The effective isolate of Chaetomium sp actively against Magnaporthe sp causing rice blast were tested. Morphology and phylogenic identification was also confirmed Chaetomium.sp. Magnporthe sp proved to be virulent isolate to cause blast of rice. Bi-culture test proved that Chaetomium sp can be suppressed the growth of Magnaporthe sp. The fungal metabolites extracted from Chaetomium sp expressed antifungal Magnaporthe sp. Nano-particles derived from Chaetomium sp extracts exhibited significantly antifungal activity against Magnaporthe sp. Further investigation is to formulate the nanoparticles from active compounds of Chaetomium sp for plant immunity and to be applied in the rice fields.\n\nIMPORTANCERice blast is an economic important disease which caused by Magnaporthe. It causes yield loss and economic damage wherever rice is grown in Asia. It becomes the main disease due to wide distribution and most infection under favorable condition. The farmers have been applied several kinds of chemical fungicides that leading to the pathogen become resistant to those fungicides, and causes environmental pollution which the toxic chemicals residue in soil, water and surrounding environment. The significance of this research is to discover a new agricultural input as nanoparticles from Chaetomium to control the blast pathogen which will develop the nanoproduct to elicit immunity in rice, environmental protection and food safety.

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Song, J. J., Kanokmedhakul, S., Kanokmedhkul, K., Poeaim, S., Soytong, K.. 2018-06-07. Nano-particles constructed from Chaetomium cochliodes CTh05 against Magnaporthe oryzae causing rice blast. https://doi.org/10.1101/339283

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