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Zhang Zhengbin — Wheat evolution under climate chang warming

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The Chinese Academy of Agricultural Sciences (CAAS) and the International Food Policy Research Institute (IFPRI) jointly hosted the International Conference on Climate Change and Food Security (ICCCFS) November 6-8, 2011 in Beijing, China. This conference provided a forum for leading international scientists and young researchers to present their latest research findings, exchange their research ideas, and share their experiences in the field of climate change and food security. The event included technical sessions, poster sessions, and social events. The conference results and recommendations were presented at the global climate talks in Durban, South Africa during an official side event on December 1.

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Zhang Zhengbin — Wheat evolution under climate chang warming

  1. 1. Wheat Evolution UnderClimate Change Warming Zhang Zhengbin Center for agriculture resource research Institute of genetics and development biology Chinese Academy of Science
  2. 2. Global Climate Change andWheat Production in The World
  3. 3. WORLD CO2 EMISSIONS FROM FOSSIL FUELS
  4. 4. Global Mean Temperature (140 year record)Combined annual land-surface air and sea surface temperature anomalies (C°) 1861 to 2000 relative to1961 and 1990. Two standard error uncertainties are shown as bars on the annual number.
  5. 5. in USDA
  6. 6. 1000hectare Rice Wheat Maize Crop Plant area in China
  7. 7. Wheat Origin and Evolution Region of wheat origin: Region of wheat cultivation:
  8. 8. Yellow and HuaiRiver Region
  9. 9. Wheat Evolution Under Climate Change Warming in Yellow and Huai River Region in ChinaWinter wheat →semi-winter wheat →semi-spring wheatwheat seeding date was put off 10-20 days from 1980 to now
  10. 10. Wheat suffer drought and cold in China 2009 9.3 million ha 6.7 million ha
  11. 11. Wheat evolution
  12. 12. Hexaploidea, AABBDDTetraploidsa,AABBAe.squarrosa, DDAe. speltoides,BB New varietyT. monoccum,AA AABBDDT.boeoticum,AAWheat different species
  13. 13. New variety AABBDD Tetraploidsa,AABBAe.squarrosa, DDAe. speltoides,BB
  14. 14. Yield Harvest index WUEAncient species New varieties
  15. 15. 8000 产 量 Y ( k g / h m 2) Yield600040002000 0 2x 4x 6x DLV ILV260 蒸 散 量 ET( mm) Evapotranspiration255250245240235230 2x 4x 6x DLV ILV 水分利用效率 WUE(kg/h ㎡ .mm) WUE 30 25 20 15 10 5 0 2x 4x 6x DLV I LV
  16. 16. Table 1. WUE(=photosynthetic rate/transpiration rate) of flag Leaf of wheat ancestor speciesSpecies Genome W 10 W 14 W 16 WT.boeoticum AA 1.46 1.42 1.513 1.46T.monococcum AA 2.105 1.614 2.14 1.953Ae.spelta BB 0.649 1.276 1.526 1.150Ae.squarrosa DD 0.704 0.611 1.005 0.7732n 1.229 1.23 1.546 1.334T.dicoccoides AABB 1.25 1.23 1.46 1.31T.dicoccum AABB 1.443 1.25 1.801 1.5T.carthlicum AABB 1.621 1.38 1.444 1.48T.turanicum AABB 1.16 1.136 1.076 1.124T.durum AABB 1.312 1.084 2.00 1.465T.turgidum AABB 1.393 1.19 1.564 1.344T.timopheevi AAGG 1.34 1.27 1.56 1.394n 1.359 1.22 1.557 1.344T.spelta AABBDD 1.536 1.498 1.376 1.47T.compactum AABBDD 1.26 1.33 2.078 1.56T.macha AABBDD 1.407 0.975 1.54 1.31T.vavilovi AABBDD 1.593 1.219 2.6 1.66T.sphaerococcum AABBDD 1.533 1.494 1.97 1.67T.zhukovskyi AAAAGG 1.405 0.929 1.12 1.15T.aestivum AABBDD 1.714 1.40 2.13 1.756n 1.493 1.26 1.83 1.51S.cereales RR 0.648 0.423 1.17 0.747Hex.triticales AABBRR 1.424 1.637 2.17 1.744Oct.triticales AABBDDRR 1.851 2.0 1.498 1.783
  17. 17. T. Moncoccum 10X AA Shan 229 10X AABBDD
  18. 18. Table 2 Physiology Traits Evolution of WheatAncestor Species P/T P T △P △T G Ci GA GD2n 1.60 13.35 8.45 0.307 239.60 4.42 1.774n 1.71 10.64 6.37 0.21 227.17 6.85 1.416n 1.98 8.68 4.76 0.15 218.50 7.03 1.382n-6n 34.98% 43.66% 4.67 3.692n-4n 20.29% 24.62% 2.71 2.084n-6n 18.42% 25.27% 1.96 1.61
  19. 19. Positive or Negative Effect on WheatProduction of Climate change Warming?
  20. 20. Climate Change Wilts Farming YieldsBetween 1980 and 2008, climbing global temperatures took millions oftons of wheat off the dinner table. (Science/AAAS) By Daniel Strain,Science News May 6, 2011
  21. 21. http://sedac.ciesin.columbia.edu/wdc/map_gallery.jsp
  22. 22. Wheat Production will MeetChallenge in Future in China
  23. 23. Annual mean temperature change from1958-2007 in China (℃/10Yr) 1958-2007年我国年均气温变化幅度 来源:中国气象局气候变化中心
  24. 24. Rainfall change from 1958-2007 in China (%/10Yr) 1958-2007年我国年降水量变化幅度(%/10年) 来源:中国气象局气候变化中心
  25. 25. Groundwater funnel area expansion quickly in North China plain
  26. 26. Temperature change in China when doubleCO2 concentration (℃) 来源中国气象局网 http://www.cma.gov.cn/qhbh/qhbhyg/200805/t20080508_6564.html
  27. 27. Precipitation change in China when double CO2concentration (%) 来源中国气象局网 http://www.cma.gov.cn/qhbh/qhbhyg/200805/t20080508_6564.html
  28. 28. Thank you for your attention andhope you give some suggestions

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