. 2017 Feb 10;17:41. doi: 10.1186/s12870-017-0994-6

Table 2.

Elemental contents (μmol/g DW) in the roots and shoots of maize plants under 50 and 100 mM neutral salt stress and alkali stress

Tissue	Treatment	Salinity (mM)	Na	K	Ca	Mg	Fe	Cu	Zn	Mn	B
Roots	CK	0	515.46 ± 23.73^c	182.00 ± 8.06^a	113.48 ± 7.65^c	44.41 ± 2.06^a	5.01 ± 0.52^a	1.77 ± 0.06^a	0.13 ± 0.00^a	0.22 ± 0.01^b	0.23 ± 0.01^b
	SS	50	688.43 ± 36.51^b,c	191.53 ± 10.69^a	101.25 ± 5.05^c,d	40.58 ± 2.81^a	4.57 ± 0.32^a	1.18 ± 0.06^a	0.12 ± 0.00^a	0.28 ± 0.00^b	0.20 ± 0.00^b
	SS	100	1007.20 ± 53.67^b	155.86 ± 9.73^a,b	88.56 ± 8.42^d	45.28 ± 3.24^a	5.96 ± 0.09^a	1.36 ± 0.08^a	0.13 ± 0.00^a	0.48 ± 0.02^a	0.27 ± 0.00^b
	AS	50	917.56 ± 40.88^b	130.45 ± 10.33^b	137.09 ± 4.68^b	38.87 ± 4.02^a,b	4.11 ± 0.11^a	1.86 ± 0.10^a	0.14 ± 0.00^a	0.31 ± 0.01^a,b	0.26 ± 0.03^b
	AS	100	1303.69 ± 90.81^a	101.14 ± 5.98^c	162.56 ± 12.44^a	28.07 ± 1.50^b	5.77 ± 0.22^a	2.13 ± 0.03^a	0.13 ± 0.01^a	0.37 ± 0.03^a,b	0.52 ± 0.02^a
Shoots	CK	0	70.47 ± 5.14^c	586.19 ± 35.60^a	65.17 ± 5.35^c	87.80 ± 5.49^a	5.56 ± 0.17^a	0.27 ± 0.01^b	0.16 ± 0.00^a	0.32 ± 0.01^b	0.82 ± 0.06^a
	SS	50	89.05 ± 7.39^b,c	516.88 ± 25.00^a	62.87 ± 5.16^c	80.48 ± 6.02^a	4.75 ± 0.24^a	0.26 ± 0.01^b	0.17 ± 0.00^a	0.35 ± 0.01^b	0.78 ± 0.04^a
	SS	100	144.66 ± 9.51^b	429.19 ± 30.17^a,b	60.02 ± 2.99^d	73.73 ± 2.43^a	3.24 ± 0.09^a,b	0.18 ± 0.00^b	0.10 ± 0.00^a,b	0.68 ± 0.01^a	1.04 ± 0.07^a
	AS	50	148.73 ± 6.54^b	462.58 ± 20.11^a,b	78.85 ± 7.01^b	76.98 ± 4.56^a	4.21 ± 0.13^a	0.32 ± 0.02^b	0.13 ± 0.00^a	0.36 ± 0.00^b	0.89 ± 0.04^a
	AS	100	194.36 ± 12.78^a	294.97 ± 16.85^b	109.45 ± 9.25^a	76.97 ± 3.48^a	2.40 ± 0.21^b	0.50 ± 0.01^a	0.09 ± 0.00^b	0.50 ± 0.01^a,b	0.94 ± 0.03^a

Values represent the means of five replicates. Means followed by different letters in the same stress type are significantly different at P < 0.01 according to Duncan’s method