Fig. 5.
Changes in the hormone contents during grain filling. a Changes in the ABA level in rice endosperm cells during seed development (n = 3). b Changes in the IAA level in rice endosperm cells during seed development (n = 3). c Changes in the tZR level in rice endosperm cells during seed development (n = 3). Data are presented as the mean ± SD. * P < 0.05, ** P < 0.01