Figure 3.

Reduced biomass and nitrogen UI of the Osatg7-1 mutant. All measurements were taken at 77 d after germination. Dry weight (A) and total nitrogen (B) were measured in leaf (gray), sheath (white), and root (black) separately. C, Nitrogen concentration in the whole plant is represented as N%_DW (milligrams nitrogen per 100 mg dry weight). D, NUE was evaluated as UI, which is calculated by division of the shoot dry weight by the shoot N%_DW. Data are means ± se (n = 4). Different letters denote significant differences (total value of the plant in the case of A and B) by Tukey’s honestly significant difference test (α = 0.05).