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Table 1 Effects of NaF priming on growth, photosynthetic pigments and water relations under Al-stress in barley plants

From: Fluoride mitigates aluminum-toxicity in barley: morpho-physiological responses and biochemical mechanisms

Treatments

Shoot length

(cm)

Root length

(cm)

Plant fresh

weight (mg)

Plant dry

weight

(mg)

Relative

Water

Content (%)

Epiculticular

Wax

(mg m-2)

Chl a

(mg 100g-1

FW)

Chl b

(mg 100g-1

FW)

Chl a+b

(mg 100g-1

FW)

Carotenoid

content

(mg 100g-1

FW)

Proline shoot

(mg g-1 FW)

Proline

root

(mg g-1

FW)

C

12.96±0.2c

4.10±0.2c

289.50±3.4b

27.60±0.4bc

86.39±0.5a

35.43±1.4bcd

10.14±0.4b

4.57±0.24bc

14.71±0.2cd

7.38±0.39b

4.24±0.3ab

0.53±0.03e

Al0.5

10.00±00d

3.66±0.1cd

222.13±6.8de

30.00±2.1b

80.33±0.5bc

31.01±1.3cde

8.83±0.3bcd

3.85±0.15d

12.68±0.5ef

5.53±0.22c

4.89±0.4ab

1.52±0.14cd

Al1

10.03±0.1d

3.00±00de

200.20±0.8ef

17.50±0.3ef

75.21±0.5d

29.28±1.2def

8.18±0.3cd

3.05±0.16e

11.23±0.2f

4.50±0.24cd

4.84±0.4ab

2.39±0.01b

Al2

9.80±0.1d

2.73±0.1e

173.00±2.8fg

16.90±0.2f

70.33±0.4e

28.30±1.2ef

6.08±0.2ef

2.86±0.11e

8.94±0.4g

4.17±0.17de

4.91±0.4ab

3.85±0.19a

Al3

8.63±0.1e

2.40±0.1e

166.23±5.4g

16.06±0.4f

63.86±0.4f

26.81±1.1ef

5.13±0.2fg

2.53±0.10e

7.66±0.3gh

4.07±0.16de

4.99±0.4ab

4.23±0.26a

Al4

6.60±0.2f

1.50±0.1f

114.63±6.4h

14.76±0.2f

56.39±0.3g

23.66±1.0f

4.48±0.2g

1.80±0.07f

6.28±0.2h

3.09±0.12e

5.83±0.4a

4.51±0.28a

NaF

14.03±0.3b

6.06±0.2a

330.33±3.2a

40.00±0.6a

86.88±0.5a

38.34±1.6ab

12.72±0.5a

5.46±0.22a

18.19±0.7a

8.40±0.34ab

3.83±0.3b

0.42±0.03e

NaF+Al0.5

15.23±0.1a

4.10±0.1c

252.43±7.3c

31.06±1.2b

86.36±0.5a

39.01±1.1ab

9.86±0.1b

4.96±0.03ab

14.82±0.1cd

7.88±0.05b

4.89±0.4ab

0.82±0.01de

NaF+Al1

15.10±0.2a

4.30±0.2bc

245.00±4.4cd

28.50±0.5bc

86.52±0.5a

41.30±1.1ab

12.01±0.1a

4.36±0.02bcd

16.37±0.1bc

8.19±005ab

4.31±0.3ab

0.90±0.01de

NaF+Al2

13.80±0.1bc

5.10±0.2b

200.20±5.7ef

25.46±0.6cd

85.39±0.5a

42.75±1.2a

12.45±0.1a

4.47±0.02bcd

16.93±0.1ab

9.09±0.05a

4.89±0.4ab

1.35±0.10cd

NaF+Al3

13.70±0.1bc

4.43±0.2bc

243.06±6.7cd

27.70±0.4bc

80.96±0.5b

37.33±0.8abc

9.23±0.1bc

4.23±0.02cd

13.60±0.2de

9.07±0.05a

3.48±0.2b

1.86±0.01bc

NaF+Al4

9.93±0.2d

3.06±0.1de

159.96±4.1g

21.73±0.8de

77.63±0.5cd

30.62±1.2de

7.42±0.04de

3.85±0.02d

11.28±0.1f

5.46±0.03c

3.10±0.2b

2.10±0.09bc

  1. ‘C’, Hydro-primed seeds + 0 mM AlCl3; ‘Al0.5’, Hydro-primed seeds +0.5 mM AlCl3; ‘Al1’, Hydro-primed seeds + 1 mM AlCl3; ‘Al2’, Hydro-primed seeds + 2 mM AlCl3; ‘Al3’, Hydro-primed seeds + 3 mM AlCl3; ‘Al4’, Hydro-primed seeds + 4 mM AlCl3; ‘NaF’, 0.025% NaF-primed seeds + 0 mM AlCl3; ‘NaF+Al0.5’, 0.025% NaF-primed seeds + 0.5 mM AlCl3; ‘NaF+Al1’, 0.025% NaF-primed seeds + 1 mM AlCl3; ‘NaF+Al2’, 0.025% NaF-primed seeds + 2 mM AlCl3; ‘NaF+Al3’, 0.025% NaF-primed seeds + 3 mM AlCl3; ‘NaF+Al4’, 0.025% NaF-primed seeds + 4 mM AlCl3. Values are means ± standard errors (SEs) (n = 5). Bars followed by the same letter are non-significant among the treatments at P≤0.05 based on Tukey’s test. Chl, Chlorophyl