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Fig. 1. Tolerance of wild-type (WT) and APS (i.e., overexpression of ATP sulfurylase) transgenic Indian mustard seedlings to 12 metal(loid)s, supplied at concentrations as indicated in Table 1. Tolerance is expressed as the ratio of root length in the presence of metals relative to root length on control medium. Values shown are the mean and standard error of the mean of 36 seedlings each. Significant differences between APS and WT seedlings (
= 0.05) are indicated by asterisks.
