.  [^0]: Values in parentheses are mutagenic index; Mi = induction factor; m = mutagenic potential; LSD = least significant difference.  [^0]: Values in parentheses are mutagenic index; Mi = induction factor; m = mutagenic potential; LSD = least significant difference.  [^0]: Values in parentheses are mutagenic index; Mi = induction factor; m = mutagenic potential; LSD = least significant difference.  [^0]: Values in parentheses are mutagenic index; Mi = induction factor; m = mutagenic potential; LSD = least significant difference.  [^0]: Means with the same letters do not significantly differ at 0.00 level (Duncan multiple range test); **±**: Standard deviation.