3.3 Zn concentrations in rice tissues
Genotypes varied significantly in concentrations
of Zn in rice tissues and Zn accumulation in the rice
grain. In all treatments, Jiaxing27 had significantly
higher Zn concentration (Table 4, Fig. 1) and Zn
accumulation (Fig. 2) than Nipponbare. Significant
variations of water managements were also observed
in Zn concentration and accumulation in rice plant
(Table 4, Fig. 1) and rice grain (Fig. 2). Compared
with CF, AWD significantly increased Zn concentrations
in both shoot and root by 5.88% and 7.12%,
respectively. And Zn concentration and accumulation
in both brown rice and polished rice increased by
2.0%–3.9% and 13.8%–15.5%, respectively