Fig. 1
The As concentration in different organs of rice plants during the whole growth period. a Root, b stem, c leaf, d husk and brown rice. Plants were grown under hydroponic conditions with 5 μM NaAsO2 (+As treatment) or without it (the control, CK). Data are presented as the mean ± SE (n = 3). Different letters with colors corresponding to their respective lines indicate significant differences (P < 0.05) among values at different time intervals in the +As treatment