A grand challenge, it would seem, has to be grand, i.e., large and impressive in size, scope, or extent. While each plant physiologist would likely come up with a list of challenges in their own area of work, to be truly grand these should span the entire discipline of plant physiology, and ideally have significant impact on both science and technology. The question then is what is the scope of...

The Graduate School of Experimental Plant Sciences, Laboratory of Plant Physiology, Agricultural Uni6ersity, Arboretumlaan 4, 6703 BD Wageningen, The Netherlands Institute of Plant Physiology, Chinese Academy of Sciences, Shanghai, 200032, China Departments of Plant Biology and Biochemistry, and Center of Biophysics and Computational Biology, Uni6ersity of Illinois, 265 Morrill Hall, 505 S. Goo...