Effects of various concentration uranium solutions on uranium accumulation and growth parameters of Cyperus iria L. were studied. After exposed to uranium solutions for 30 d, the U concentrations (dry weight) in its roots ranged between 4,158 ±611 mg/kg for 100 mg/L uranium solution and 48,605 ±1266 mg/kg for 2,500 mg/L uranium solution, the U concentrations in its shoots ranged between 366 ±26 mg/kg for 100 mg/L uranium solution and 8,224 ±856 mg/kg for 2,500 mg/L solution concentration, respectively, and these were only 1/5-1/10 of those in the roots. All the grow...
