Table 3.

Variability in mean germination time, germination index, germination percentage, chlorophyll contents, and antioxidants enzymatic activities among Elymus species and wheat cultivars under drought stress.

Plant materials	MGT (d)					GI (d)					GP (%)					Chla (mg/g)
	%age change to control					%age change to control					%age change to control					%age change to control
	Control	MS	SS	MS	SS	Control	MS	SS	MS	SS	Control	MS	SS	MS	SS	Control	MS	SS	MS	SS
E. longioristatus	3.56	5.10	5.53	30.28	35.71	2.53	3.73	3.70	32.14	31.53	70.00	73.33	70.00	– 4.76	0.00	1.37	0.85	0.87	37.89	36.73
E. dahuricus	4.15	4.95	4.37	16.13	5.00	3.23	3.80	3.90	14.91	17.09	76.67	76.67	90.00	0.00	– 17.39	1.27	1.00	0.88	20.87	30.83
E. schrenkianus	4.73	6.97	7.33	32.06	35.45	2.57	2.17	1.00	– 18.46	– 156.7	53.33	36.67	10.00	31.25	81.25	2.43	0.76	0.32	68.61	86.96
E. semicostatus	3.45	3.16	4.42	– 8.99	21.98	3.10	2.93	4.10	– 5.68	24.39	90.00	93.33	93.33	– 3.70	– 3.70	2.78	2.07	1.38	25.45	50.16
E. nutans	5.75	6.04	6.25	4.94	8.06	3.50	3.13	1.53	– 11.70	– 128.3	60.00	56.67	23.33	5.56	61.11	0.97	0.86	0.84	11.42	12.90
E. russelli	7.45	5.30	8.55	– 40.6	12.84	6.07	4.07	5.93	– 49.09	– 2.50	81.48	77.78	70.37	4.55	13.64	2.80	1.91	1.31	31.75	53.18
E. borianus	2.39	2.50	3.23	4.44	26.2	2.30	2.50	3.23	8.00	28.86	96.67	100.0	100.0	– 3.45	– 3.45	1.43	1.01	0.94	29.51	34.09
E. caninus	6.67	5.54	6.36	– 20.3	– 4.80	0.93	3.53	1.87	73.58	50.00	13.33	33.33	26.67	– 150.0	– 100.00	1.26	0.83	0.79	33.97	37.38
Pirsabak– 2005	1.27	1.43	1.90	11.63	33.33	1.27	1.43	1.90	11.63	33.33	100.00	100.0	100.0	0.00	0.00	1.22	0.79	0.63	35.29	47.99
Faisalabad– 2008	1.40	1.17	1.60	– 20.0	12.50	1.37	1.17	1.50	– 17.14	8.89	96.67	100.0	93.33	– 3.45	3.45	0.85	0.63	0.44	25.74	47.77
Plant materials	Chlb (mg/g)					TChl (mg/g)					POD (units/g)					SOD (units/g)
	%age change to control					%age change to control					%age change to control					%age change to control
	Control	MS		MS	SS	Control	MS	SS	MS	SS	SS	MS	SS	MS	SS	Control	MS	SS	MS	SS
E. longioristatus	1.03	0.79	0.73	22.87	28.83	2.40	1.64	1.60	31.47	33.35	80.95	90.41	112.1	– 11.68	– 38.41	48.91	58.87	67.46	16.90	27.50
E. dahuricus	0.57	0.57	0.65	0.55	– 14.7	1.84	1.57	1.53	14.57	16.73	72.44	81.98	94.94	– 13.18	– 31.07	33.68	43.91	31.17	23.28	– 8.05
E. schrenkianus	0.79	0.46	0.59	41.15	24.85	3.22	1.23	0.91	61.90	71.77	77.07	95.69	102.7	– 24.15	– 33.29	28.48	38.72	58.99	26.46	51.72
E. semicostatus	1.23	0.83	0.68	32.55	44.80	4.01	2.90	2.06	27.63	48.52	105.33	132.5	143.0	– 25.80	– 35.78	26.22	32.36	40.54	18.97	35.31
E. nutans	1.14	0.58	0.38	48.83	66.93	2.11	1.44	1.22	31.63	42.08	125.27	134.0	153.9	– 6.97	– 22.88	45.13	59.12	81.20	23.65	44.41
E. russelli	0.61	0.59	0.38	3.03	38.19	3.42	2.51	1.69	26.59	50.49	141.79	171.4	108.5	– 20.90	23.48	116.64	140.3	197.6	16.88	40.98
E. borianus	0.58	0.34	0.30	40.29	48.08	2.01	1.35	1.24	32.60	38.11	137.40	188.5	199.8	– 37.19	– 45.45	55.77	85.70	94.79	34.93	41.17
E. caninus	0.48	0.39	0.19	19.86	60.66	1.75	1.22	0.98	30.06	43.83	176.91	190.0	241.3	– 7.40	– 36.37	165.85	245.7	259.6	32.50	36.10
Pirsabak– 2005	0.44	0.27	0.25	38.44	43.88	1.66	1.06	0.88	36.13	46.89	64.17	61.05	144.4	4.85	– 125.04	27.23	54.63	56.23	50.16	51.57
Faisalabad– 2008	0.32	0.22	0.21	30.49	34.23	1.16	0.85	0.65	27.04	44.07	113.21	85.17	110.7	24.77	2.21	29.61	65.31	39.91	54.65	25.80

Where, MGT, Mean germination time; GI, Germination index; GP, Germination percentage; Chla, Chlorophyll a; Chlb, Chlorophyll b; Tchl, Total chlorophyll; POD, Peroxidase activity; SOD, Superoxide dismutase activity; MS, moderate water stress; SS, severe water stress.