Table 4.

Effect of the two realistic azoxystrobin concentrations on glutathione peroxidase (GPx) activity of Theba pisana after different times of exposure.

Days after exposure	GPx activity (nmoles/mg protein)
	Control	0.3 µg/ml		3 µg/ml
	Mean ± SD	Mean ± SD	% of Control	Mean ± SD	% of Control
7	95.20 ± 2.46a	112.44 ± 7.52ab	118.10	121.60 ± 0.52b	127.73
14	96.36 ± 5.88a	117.82 ± 17.14b	122.27	131.17 ± 1.45b	136.12
21	129.30 ± 1.40a	165.30 ± 5.43b	127.84	190.93 ± 1.30b	147.66
28	112.62 ± 1.38a	136.36 ± 5.43b	121.07	115.14 ± 6.45a	102.23

Mean followed by the same letter(s) in each row are not significantly differences from control (p ≤ 0.05).