Fig. 4
Diurnal changes of starch (solid lines) and total soluble carbohydrates (TSC, short dash lines) in the newly expanded leaves at the periods of 7th leaf expanded (a), 13th leaf expanded (b) and the ear leaves at 28 days after pollination (c). Maize hybrids Xianyu335 (XY335), Denghai605 (DH605) and Zhengdan958 (ZD958) are indicated by hollow square, circle and triangle, respectively