Table 3.

Effect of exogenous trehalose on super oxide dismutase(SOD), per oxide dismutase(POD), catalases(CAT), ascorbate peroxidase (APX), malondialdehyde (MDA) and hydrogen peroxide (H₂O₂) and also concentration in maize seedlings with or without cr stress

Source of Variation	df	SOD	POD	CAT	APX	MDA	H2O2	Cr in Root	Cr in Shoot	Cr Translocation factor
Varieties (Var)	1	0.0019 **	0.0000 ***	0.0000 ***	0.0001 ***	0.0003 ***	0.0048 **	0.0000 ***	0.0000 ***	0.9202 ns
Cr Stress (Cr)	2	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***
Trehalose (T)	1	0.0000 ***	0.0000 ***	0.0000 ***	0.0001 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0000 ***	0.0064 **
Var × Cr	2	0.0002 ***	0.0277 *	0.0000 ***	0.0122 *	0.0005 ***	0.0005 ***	0.0000 ***	0.0006 ***	0.5002 ns
Var × T	1	0.2081 ns	0.9165 ns	0.8281 ns	0.6567 ns	0.2396 ns	0.0003 ***	0.2612 ns	. 0.9466 ns	0.2825 ns
Cr ×T	2	0.0005 ***	0.4031 ns	0.0049 **	0.0995 ns	0.5699 ns	0.4350 ns	0.0000 ***	0.0000 ***	0.0026 **
Var × Cr × T	2	0.0119 *	0.0495 *	0.2446 ns	0.1936 ns	0.0836 ns	0.0013 **	0.0124 *	0.0664 ns	0.1477 ns

ns: non significant; *,** and *** significant at 0.05, 0.01, 0.001 levels respectively