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1809 - Physiological Effects and Transcriptomic Profiling of Rice Plant - Microbe Interactions in System of Rice Intensification (SRI) Management

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1809 - Physiological Effects and Transcriptomic Profiling of Rice Plant - Microbe Interactions in System of Rice Intensification (SRI) Management

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Author: Febri Doni
Title: Physiological Effects and Transcriptomic Profiling of Rice Plant - Microbe Interatctions in System of Rice Intensification (SRI) Management
Presented at: The 5th International Rice Congress (SRI research side event)
Venue: Sands Expo and Convention Centre, Singapore
Date: October 16, 2018

Author: Febri Doni
Title: Physiological Effects and Transcriptomic Profiling of Rice Plant - Microbe Interatctions in System of Rice Intensification (SRI) Management
Presented at: The 5th International Rice Congress (SRI research side event)
Venue: Sands Expo and Convention Centre, Singapore
Date: October 16, 2018

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1809 - Physiological Effects and Transcriptomic Profiling of Rice Plant - Microbe Interactions in System of Rice Intensification (SRI) Management

  1. 1. Physiological effects and transcriptomic profiling of rice plant - microbe interactions in a System of Rice Intensification (SRI) management www.ukm.my Dr. Febri Doni Malaysian Agroecology Society (SRI-Mas)
  2. 2. SRI vs. Conventional methods SRI Non-SRI SRI Non-SRI SRI Non-SRI Lodging from storm damage Darker green color, more chloro- phyll and more photosynthesis
  3. 3. SRI methods increase rice yield ~ 𝟓 𝒕𝒊𝒎𝒆𝒔 ~ 𝟑 𝒕𝒊𝒎𝒆𝒔 ~ 𝟒 𝒕𝒊𝒎𝒆𝒔 ~ 𝟐 𝒕𝒊𝒎𝒆𝒔 ~ 𝟑 𝒕𝒊𝒎𝒆𝒔 Malaysian national average yield is 3.64 ton/ha, using conventional methods Yield of SRI Rice is Higher Compared to Conventional ~ 𝟐 𝒕𝒊𝒎𝒆𝒔
  4. 4. Can SRI rice plants produce such high yields without the assistance of soil and endophytic microbes?
  5. 5. Plant-microbe interactions under SRI SRI CONV T. asperellum SL2 T. asperellum SL2 Effects of SRI on (i) growth and yield, (ii) physiological traits, (iii) NPK uptake, and (iv) gene expression. Trichoderma asperellum SL2
  6. 6. Trichoderma + SRI can increase rice plant growth Source: Doni et al., (2016)
  7. 7. Trichoderma + SRI improve rice plants’ physiological traits Rice plants inoculated with T. asperellum SL2 and grown under SRI methods (SRI+T) recorded the greatest physiological traits compared to rice plants similarly inoculated but grown with conventional methods (CON+T) and to SRI plants grown without inoculation (SRI+O). Columns of same color with different letters indicate a significant difference at p<0.05 (DMRT test)
  8. 8. Transcriptomic profiling of rice plants having both Trichoderma-inoculation and SRI management T. asperellum SL2 Weeding Compost Several important genes were up-regulated in Tric + SRI plants compared to Tric + Conv plants and SRI + O plants OsARF12 – root-elongation gene OsPHR2 – P-uptake gene OsCAND – crown root emergence gene OsGAE1 - gibberellin-regulated gene Source: Doni et al. (2017) OsRBCS1 – rubisco-related genes OsRBCS2 MOC1 – tillering-related gene
  9. 9. TERIMA KASIH

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