徐云碧-从分子数量遗传学到分子植物育种.pdf

China National Conference of Quantitative Genetics Aug 25-27, 2011, Chengdu, Sichuan 从《分子数量遗传学》到《分子植物育种》 From Molecular Quantitative Genetics to Molecular Plant Breeding 徐云碧 中国农业科学院作物科学研究所 International Maize and Wheat Improvement Center (CIMMYT) y.xu@ April 11, 2005 6:09:30am, Aug 25, 2011 7,140,425,569 World Population: 6,433,862,421 World Arable Land: 8,571,158,583 Challenges in Crop Improvement Maize Goff and Salmeron 2004 Scientific American 291(2) 42-49 Yield Gap to Be Filled by Plant Breeding For scientists to conceive Yield gap 0 and breed potential varieties 17.1 Nontransferable technology Yield gap I Environmental differences Biological G G A P • Variety • Weeds + • Pests Yield gap II • Problem soils P • Water + • Soil fertility Socioeconomic E 5