Fig. 1

Starch and protein contents of maize kernels exposed to different light environments. A–D Cross-sections of I2-KI-stained maize kernels. A, natural light (CK); B, blue (B) light supplementation; C, far-red (FR) light supplementation; D, red (R) light supplementation. E Starch content of maize kernels. F Total protein content of maize kernels