Table 1 Effects of silicon on the growth of Glycyrrhiza uralensis and G. inflata under salt stress.

From: Silicon improves ion homeostasis and growth of liquorice under salt stress by reducing plant Na+ uptake

Cultivar

Treatment

Plant height (cm)

Stem diameter (mm)

Root DW (g)

Shoot DW (g)

G. uralensis

CK

25.53 ± 0.46b

2.06 ± 0.11b

3.09 ± 0.10b

2.34 ± 0.06a

6S

18.6 ± 0.72c

1.75 ± 0.06bc

1.77 ± 0.04d

1.67 ± 0.03b

12S

11.43 ± 0.07d

1.48 ± 0.07c

0.36 ± 0.06e

0.38 ± 0.07d

CK + Si

33.20 ± 0.85a

2.95 ± 0.18a

3.85 ± 0.21a

2.51 ± 0.11a

6S + Si

26.30 ± 0.06b

2.15 ± 0.12b

2.16 ± 0.14c

1.74 ± 0.06b

12S + Si

19.87 ± 0.34c

1.89 ± 0.16b

0.66 ± 0.04e

0.66 ± 0.05c

G. inflata

CK

30.47 ± 0.78b

2.31 ± 0.04c

3.54 ± 0.04b

3.20 ± 0.09a

6S

22.33 ± 0.94d

1.97 ± 0.02d

2.80 ± 0.05c

2.26 ± 0.13b

12S

18.00 ± 1.26e

1.67 ± 0.02e

0.51 ± 0.06e

0.53 ± 0.07c

CK + Si

38.97 ± 0.74a

2.87 ± 0.06a

4.24 ± 0.07a

3.42 ± 0.21a

6S + Si

26.83 ± 1.19c

2.45 ± 0.05b

3.40 ± 0.02b

2.34 ± 0.22b

12S + Si

21.33 ± 0.93d

1.84 ± 0.05 cd

0.75 ± 0.04d

0.80 ± 0.10c

  1. Data are presented as the mean ± SE (n = 3). Different letters indicate significant differences between the values for the same index for the same liquorice species under different treatments (P < 0.05). DW, dry weight.
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