supported by grants from the Hi-Tech Research and Development Program of China (2007AA100604);The National Natural Science Foundation of China (30170080, 39770078);National Basic Research Program of China (2006CB101706);Tsinghua-Yu-Yuan Medical Sciences Fund~~
Grain weight is a major determinant of crop grain yield and is controlled by naturally occurring quantitative trait loci (QTLs). We earlier identified a major QTL that controls rice grain width and weight, GW5, whic...