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Total Cys, γEC, and glutathione contents in shoots (white bars) and roots (black bars) of maize seedlings cultivated with different combinations of the herbicide safeners CGA 154 281 and BAS 145 138 at 25°C for 4 d, then at 5°C for 7 d (5°C). Controls (25°C) were cultivated at 25°C during the whole experimental period. Mean values of six measurements from three independent experiments ± sd are presented. Values carrying different letters are significantly different at P ≤ 0.05.
