. 2016 Mar 10;7:243. doi: 10.3389/fpls.2016.00243

Table 1.

Effects of different levels of alkaline stress with and without seed-priming with silicon (Si) on fresh weight (FW), dry weight (DW), leaf relative water content (LRWC), and leaf area of 25-day-old maize plants.

Treatments Na₂CO₃ (mM)	Si (1.5 mM)	FW (g plant^-1)	DW (g plant^-1)	LRWC (%)	Leaf area (cm² plant^-1)
0	– Si	1.45 ± 0.03^c	0.24 ± 0.009^b	83.67 ± 1.03^a	25.38 ± 0.45^c
	+ Si	1.85 ± 0.09^a	0.28 ± 0.027^a	84.54 ± 2.02^a	30.30 ± 0.34^a
25	– Si	1.28 ± 0.12^d	0.22 ± 0.01^bc	82.73 ± 2.00^ab	23.22 ± 0.23^d
	+ Si	1.68 ± 0.02^b	0.27 ± 0.01^a	84.17 ± 1.05^a	28.54 ± 0.28^b
50	– Si	0.76 ± 0.03^e	0.15 ± 0.007^d	79.73 ± 1.09^c	18.37 ± 0.46^e
	+ Si	1.29 ± 0.09^d	0.21 ± 0.002^c	83.39 ± 1.07^ab	23.52 ± 0.45^d
75	– Si	0.41 ± 0.01^f	0.09 ± 0.004^e	77.16 ± 1.03^d	12.48 ± 0.38^f
	+ Si	0.77 ± 0.03^e	0.14 ± 0.009^d	81.32 ± 1.06^bc	18.42 ± 0.43^e

Values are means ±standard deviation (SD) of three independent replications (n = 3). Different letters within the column indicate statistically significant differences between treatments, according to Duncan’s multiple range test (p < 0.05).