Fig. 1. Effects of 6-benzylaminopurine (BA) and additional nitrogen fertilizer (NF) applications on the Rubisco contents in the flag (A) and 3rd (B) leaves of Nipponbare (NI). The plants of Akenohoshi were grown in the same condition as the control for Nipponbare. Vertical bars represent standard deviations (n = 3). Symbols with different letters are significantly different at the 0.05 probability level (LSD).