Table 3.

Pearson’s correlation among plant growth, chemical and biochemical parameters of ryegrass hydroponically cultivated under different Al and Si treatments.

	Al	Si	Dry weight	TBARS	Total phenols	SOD	CAT	POD	APX
Shoots
Al	1.00
Si	-0.927**	1.00
Dry weight	-0.849**	0.721*	1.00
TBARS	0.946**	-0.947**	-0.757*	1.00
Total phenols	-0.904**	0.859**	0.756*	-0.813**	1.00
SOD	0.693*	-0.827**	-0.432	0.646	-0.721*	1.00
CAT	-0.099	0.076	-0.118	-0.023	0.418	-0.110	1.00
POD	0.863**	-0.776*	-0.781*	0.715*	-0.932**	0.666	-0.275	1.00
APX	0.823**	-0.599	-0.745*	0.657	-0.744*	0.489	-0.073	0.836**	1.00
Roots
Al	1.00
Si	-0.935**	1.00
Dry weight	-0.876**	0.823**	1.00
TBARS	0.740*	-0.734*	-0.800**	1.00
Total phenols	-0.825**	0.741*	0.706*	-0.523	1.00
SOD	0.883**	-0.961**	-0.778*	0.787*	-0.731*	1.00
CAT	-0.691*	0.838**	0.524	-0.399	0.738*	-0.795*	1.00
POD	-0.796*	0.925**	0.666	-0.509	0.690*	-0.858**	0.956**	1.00
APX	-0.925**	0.980**	0.806**	-0.666	0.800**	-0.930**	0.894**	0.962**	1.00

Asterisks indicate significance as follows: ^∗∗p ≤ 0.01,^∗p ≤ 0.05.