Foliar absorption of
glyphosate inwashed leaves corresponded to 27.0 ± 10.6% AR in GT
oilseed rape, and to 30.6 ± 14.9% AR in non-GT oilseed rape. These
amounts are consistent with those reported by Doublet et al.
(2009), but they are lower than those evidenced by Nandula et al.
(1999). This may be due to the latter using glyphosate solutions
containing surfactants, as opposed to pure water solutions in our
case. Therewere no significant differences in glyphosate absorption
between GT and non-GT oilseed rape (P > 0.05).