Table 1.

Combined analysis of variances for the studied traits of rice seedlings under three environmental conditions (non-stress and salinity stress of 6 and 12 dS.m⁻¹)

S.O.V	df	MS
		H2O2	T.Chl	Fv/Fm	POX	CAT	MDA	Proline	SOD	%Na	%K	Na/K	Tol.S
S	2	20183.76**	1575.69**	0.63**	14.16**	4574.05**	11702.51**	10488.95**	4574.05**	253.70**	117.45**	39.87**	582.66**
G	43	174.57**	8409.36**	0.91**	4.72**	322.90**	484.17**	78.24**	322.90**	1.17**	0.19**	0.23**	13.85**
G × S	86	52.95**	75.32**	0.03**	1.99**	51.68**	118.55**	56.52**	51.68**	0.22**	0.09**	0.16**	4.23**
Error	264	4.40	8.41	0.07	2.95	12.13	0.09	2.32	12.13	0.018	0.038	0.093	0.001
CV %	–	9.74	12.35	2.21	13.94	5.83	0.97	11.70	3.97	6.78	7.45	26.61	0.36

SOV source of variations, S salinity, G genotype, H ₂ O ₂ H₂O₂ content, T.Chl total chlorphyll, Fv/Fm chlorophyll fluorescence, POX Peroxidase, CAT catalase, MDA malondialdehyde, SOD superoxide dismutase,  %Na sodium percentage in shoot,  %K potassium percentage in shoot, Na/K sodium/potassium ratio in shoot, Tol.S tolerance score