The shoot As concentration of six genotypes grown in −Si+As treatment ranged from 2.13 to 3.82 mg/kg with the ranking of XFY-9 > SY-9586 > FYY-299 > TY-207 > XWX-12 > XWX-17, while the root As concentration ranged from 85.14 to 147.8 mg/kg with the ranking of TY-207 < XFY-9 < SY-9586 < FYY-299 < XWX-12 < XWX-17 (Table 3).