Table 1 Effects of salinity on the growth performance and dry biomass yield of wild-type and transgenic switchgrass.

From: Overexpression of ovine AANAT and HIOMT genes in switchgrass leads to improved growth performance and salt-tolerance

 

Tiller number

Plant height (cm)

Leaf width (cm)

Stem diameter (cm)

Dry Weight (g)

Shoot

Root

0 mM NaCl

WT

7.7 ± 0.3 c

14.67 ± 0.58 c

1.05 ± 0.03 c

0.53 ± 0.01 c

26.15 ± 0.15 d

11.81 ± 0.42 d

A1

10.7 ± 0.7 bc

28.83 ± 0.73 a

1.81 ± 0.06 b

0.80 ± 0.04 a

36.72 ± 0.41 a

16.68 ± 0.17 a

A9

9.1 ± 0.6 c

22.73 ± 0.43 b

1.63 ± 0.03 b

0.62 ± 0.01 b

28.46 ± 0.24 c

14.62 ± 0.28 b

A10

12.3 ± 0.6 b

27.31 ± 0.82 a

1.67 ± 0.03 b

0.88 ± 0.03 a

36.86 ± 0.44 a

16.65 ± 0.17 a

H1

8.3 ± 0.3 c

23.33 ± 0.68 b

2.07 ± 0.07 a

0.66 ± 0.02 b

29.82 ± 0.37 b

14.61 ± 0.16 b

H2

8.1 ± 0.6 c

23.97 ± 0.49 b

2.17 ± 0.12 a

0.73 ± 0.03 a

29.20 ± 0.38 bc

12.78 ± 0.12 c

H6

22.3 ± 0.7 a

15.47 ± 0.67 c

1.17 ± 0.07 c

0.54 ± 0.02 c

26.29 ± 0.51 d

14.86 ± 0.14 b

400 mM NaCl

WT

2.2 ± 0.1 c

3.43 ± 0.34 f

0.23 ± 0.03 d

0.11 ± 0.02 e

13.34 ± 0.22 f

6.24 ± 0.19 c

A1

5.3 ± 0.3 b

13.03 ± 0.35 a

0.73 ± 0.03 ab

0.34 ± 0.02 c

22.11 ± 0.14 b

12.21 ± 0.12 a

A9

5.1 ± 0.6 b

9.57 ± 0.52 c

0.67 ± 0.09 ab

0.33 ± 0.01 c

20.42 ± 0.15 c

12.44 ± 0.04 a

A10

5.7 ± 0.3 b

11.62 ± 0.26 b

0.63 ± 0.03 b

0.54 ± 0.03 a

24.57 ± 0.14 a

10.67 ± 0.09 b

H1

5.2 ± 0.1 b

9.37 ± 0.19 c

0.83 ± 0.03 ab

0.42 ± 0.01 b

21.74 ± 0.13 b

12.05 ± 0.11 a

H2

5.3 ± 0.1 b

8.01 ± 0.38 d

0.87 ± 0.12 a

0.56 ± 0.01 a

19.61 ± 0.21 d

10.28 ± 0.04 b

H6

15.7 ± 0.3 a

5.63 ± 0.23 e

0.43 ± 0.03 c

0.23 ± 0.01 d

17.69 ± 0.16 e

11.91 ± 0.06 a

  1. The data show the mean ± S.E of three replicate samples. The letters following the value in the same row indicate the differences of plants under same condition according to ANOVA analysis (P < 0.05). The relative increase in growth parameters (Tiller number, Plant height, Leaf width, Stem diameter) were calculated using the formula: increased growth parameters = TG/WT40 − TG/WT0. (TG/WT40 represents data were measured after 40 days of salt treatment, TG/WT0 represents data were measured just before salt treatment).The dry weight (DW) of shoot and root were measured after 30 days of salt-treatment.
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