Table 1.

Phenotypic variation in growth−related traits and salt tolerance index traits.

Trait	Treat	Env	Minimum	Maximum	Mean	SD	CV (%)	Skewness	Kurtosis	h2 (%)
RL	C	E1	19.2	36	27.1	2.28	8.41	0.43	1.22	82.27
		E2	20	35	25.8	1.96	7.60	0.46	1.00
		E3	16.6	33	23.6	2.57	10.87	0.53	0.32
	S	E1	10.2	26.5	18.7	2.30	12.31	−0.41	1.28	80.78
		E2	9.7	21.1	16.4	1.76	10.73	−0.26	0.70
		E3	9.6	26	18.3	2.78	15.15	0.12	0.18
	ST	E1	0.37	0.85	0.69	0.08	11.18	−0.95	2.07	87.37
		E2	0.38	0.76	0.64	0.06	9.06	−1.00	2.41
		E3	0.47	0.96	0.78	0.09	11.79	−0.43	0.19
SL	C	E1	19.1	39.2	27.9	3.46	12.40	0.18	−0.52	81.40
		E2	18.18	38.9	26.4	4.02	15.24	0.98	0.63
		E3	16.4	34.1	24.9	3.78	15.19	0.02	−1.01
	S	E1	9.9	24.2	16.3	2.16	13.29	0.08	0.52	86.40
		E2	7.2	20	12.7	2.13	16.76	0.09	0.30
		E3	10.9	28.1	18.4	3.44	18.66	0.29	−0.33
	ST	E1	0.37	0.8	0.59	0.09	14.52	−0.04	−0.31	93.46
		E2	0.27	0.65	0.49	0.08	16.33	−0.15	−0.27
		E3	0.47	1	0.75	0.12	15.74	0.05	−0.90
SFW	C	E1	5.05	18.59	9.66	2.61	27.01	0.67	0.00	79.60
		E2	4.46	19.62	10.71	2.67	24.92	0.26	−0.02
		E3	2.85	12.32	7.26	1.86	25.60	0.16	−0.23
	S	E1	0.85	11.04	4.63	1.68	36.36	0.60	0.79	90.09
		E2	0.79	9.43	3.97	1.52	38.28	0.51	0.40
		E3	1.35	9.92	4.45	1.41	31.80	0.46	0.34
	ST	E1	0.14	0.83	0.49	0.14	29.70	0.00	−0.50	92.31
		E2	0.09	0.75	0.37	0.12	32.41	0.36	−0.01
		E3	0.29	0.95	0.62	0.13	21.35	−0.15	−0.38
SNC		E1	29.6	133	68.72	18.71	27.23	0.45	0.07	91.02
		E2	35.6	145.3	81.28	20.26	24.93	0.60	0.36
		E3	20	94.1	47.69	13.68	28.68	0.55	0.44

Trait: RL, root length; SL, shoot length; SFW, shoot fresh weight; ST, salt tolerance index; SNC, shoot Na⁺ content.

Treatment: C, no salt treatment; S, salt treatment; ST, salt tolerance index.

Environment: E1, greenhouse in 2013; E2, greenhouse in 2014; E3, natural environment in 2014.

SD, standard deviation; CV (%), coefficient of variation; h², heritability of means.