Table 2.

Correlations among the measured parameters in the experiments.

Parameters	1	2	3	4	5	6	7	8
1. Flavonoids	1.000
2. Phenolics	0.917 **	1.000
3. Antocyanin	0.825 *	0.828 *	1.000
4. Photosynthesis	0.829 *	0.826 *	0.817 *	1.000
5. Fv/Fm	0.927 *	0.835 *	0.827 *	0.832 *	1.000
6. Fm/Fo	0.817 *	0.827 *	0.816 *	0.828 *	0.866 *	1.000
7. PAL	0.818 *	0.718 *	0.926 *	0.828 *	0.932 *	0.816 *	1.000
8. DPPH	0.826 *	0.836 *	0.821 *	0.819 *	0.914 *	0.847 *	0.965 *	1.000

Note Fv/Fm = Maximum efficiency of photosystem II; PAL = Phenyl alanine lyase activity and DPPH = 1,1-diphenyl-2-picryl-hydrazyl (DPPH) assay.

^{* and **}respectively significant at P ≤ 0.05 or P ≤ 0.01.