The iron concentration increased by up to 72% (228 to 391 mg Fe kg Dw rom 0.025 to 5.0 mg CuS0, x 5H O dm of MS medium) in roots and 40% (76.5 to 107.0 mg Fe kg Dw from 0.025 to 5.0 mg Cuso,x 5HLO dma of MS medium in shoots(Figure 3) The zinc(Zn) content in roots and shoots showed a decreasing trend with the increasing cu in the growth medium(Figure 4). The zinc