Table 2.

Pearson coefficients of linear correlation (p < 0.05) between H₂O₂ content in the leaves and roots and the activity of catalase (CAT), peroxidases (POX), superoxide dismutase (SOD), as well as total soluble phenolic (TSP) and cell wall-bound phenolic (CWP) content in the leaves and roots of three accessions of durum wheat.

Variable	H2O2 Content
	Leaves	Roots
CAT in leaves	0.710	ns
CAT in roots	ns	ns
POX in leaves	0.688	ns
POX in roots	ns	ns
SOD in leaves	ns	ns
SOD in roots	ns	0.613
TPC in leaves	−0.863	ns
TPC in roots	−0.763	−0.658
CWP in leaves	0.679	ns
CWP in roots	0.861	ns

ns—values not significant.