Fig. 6
Cd content in seedling and mature oilseed rape. a Cd concentration in shoot of four-leaf seedling; b Cd concentration in root of four-leaf seedling; c Cd concentration in shoot of mature plant; d Cd concentration in root of mature plant. Significance analysis was conducted by LSD multiple comparison analysis. Different lower case letters above the column indicate significant difference among treatments (p < 0.05). Error bars indicate standard error based on three independent biological replicates