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Experience with aeroponics for pre-basic seed potato production in Sichuan, China

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  1. Experience with aeroponics for pre-basic seed potato production in Sichuan, China

  2. WeiHe, Sichuan Academy of Agricultural Sciences, China KaiYuan Xie, International Potato Center, Beijing, China Peter VanderZaag, Sunrise Potato, Alliston, Ontario, Canada

  3. Aeroponics defined • Dictionary: • aero – Greek word meaning air • ponos – Greek word meaning labor • 2. Practically: • growing plants in air • without any medium

  4. Aeroponics benefits Oxygen available to root zone Greatly reduced pathogen pressure Greater control of plant environment Nutrients all utilized No growing media needed User friendly

  5. History of Aeroponics Experiments 1980s – NASA – feeding people in space and on Mars 1990s – South Korea 2000s – Vietnam & China

  6. Wenchuan Earthquake, May 2008 70,000 killed &15,000,000 affected

  7. Wenchuan Earthquake, May 2008 International & Chinese Response

  8. CGIAR, CIP, CAAS Rehabilitation Project in Sichuan, China

  9. Step 1. Large scale in-vitro • multiplication

  10. Step 1. Large scale in-vitro • multiplication

  11. Step 2. Tissue culture plants • placed in aeroponic beds

  12. Sketch of Aeroponic system plant plastic pad pump box sprayer timer supply pipe filter returned pipe medium pool

  13. Step 3. Apical cuttings • placed in aeroponic beds

  14. Step 4. Apical cuttings • growing in aeroponic beds

  15. Step 4. Apical cuttings • growing in aeroponic beds

  16. Step 4. Tuber production • in aeroponic beds

  17. Step 5. Tubers harvested • from aeroponic beds

  18. Aeroponics – early results

  19. Influence of growing media

  20. Large-scale, private sector adoption

  21. Results & Impact 2013 Aeroponics on 10,000 sq. m Average of 5,000 tubers/sq. m 40% improvement since 2007 Up to 75 tubers/plant/crop

  22. Dr. He Wei sharing the Aeroponics StoryWorld Potato Congress, Edinburgh, May 2012