. 2020 Apr 23;10:6883. doi: 10.1038/s41598-020-63986-6

Table 2.

Mean square values of the analysis of variance of oxidized glutathione (GSSG) (nmole g⁻¹ FW), total glutathione (GT) (nmole g⁻¹ FW), reduced glutathione (GSH) (nmole g⁻¹ FW), GSH/GSSG, Glutathione reductase (GR) (µmol min⁻¹ mg protein⁻¹), catalase (CAT) activity (U mg⁻¹ protein), peroxidase (POD) activity (U mg⁻¹ protein) and superoxide dismutase (SOD) and activity (U mg⁻¹ protein).

Source of variants	df	GSSG	GT	GSH	GSH/GSSG	GR	CAT	POD	SOD
Species (S)	1	85.71^**	30731.13^**	36352.05^**	31.75^ns	0.0004^**	0.0004^**	0.004^**	0.007^**
Drought (D)	2	20875.64^**	521364.43^**	188251.46^**	33110.52^**	140.29^**	0.02^**	0.63^**	0.004^**
Melatonin (M)	4	281.50^**	40178.05^**	53509.01^**	1092.27^**	3.49^**	0.0008^**	0.01^**	0.001^**
S × D	2	63.56^**	2517.30^**	3992.04^**	15.44^ns	0.47^**	0.000003 ^ns	0.0004^*	0.003^**
S × M	4	8.28^**	1072.17^**	806.11^**	6.62^ns	0.01 ^ns	0.00006 ^ns	0.00008 ^ns	0.0002^**
D × M	8	80.54^**	6338.33^**	9166.92^**	345.67^**	0.08^**	0.00008^*	0.003^**	0.0001^**
S × D × M	8	3.88^**	418.35^*	346.75^*	4.54^ns	0.05^*	0.00005^ns	0.00006^ns	0.0003^**
Error	60	0.6	158.12	190.19	11.76	0.02	0.00003	0.00008	0.000002
CV (%)		2.98	3.80	4.95	11.62	3.42	10.87	6.23	4.74

* and **: Significant at the 5% and 1% probability levels, respectively., ^ns: Non- Significant, according to the LSD multiple range test at P ≤ 0.05. df, degrees of freedom.