Attributes

Units

Levels of salicylic acid

Control

0.5 mmol/L

1.0 mmol/L

2.5 mmol/L

5.0 mmol/L

Shoot length

(cm)

2.60 (c)

2.75 (bc)

3.10 (ab)

3.37 (a)

3.52 (a)

Root length

(cm)

9.26 (b)

7.79 (b)

13.18 (a)

9.24 (a)

13.03 (b)

Plant fresh weight

(g)

1.04 (b)

1.39 (b)

1.75 (b)

1.97 (ab)

1.73 (a)

Plant dry weight

(g)

0.34(b)

0.32 (b)

0.40 (b)

0.46 (ab)

0.59 (a)

Number of leaves

3.22 (b)

3.21 (b)

3.44 (b)

3.55 (ab)

4.14 (ab)

Chlorophyll contents

(SPAD unit)

9.07 (d)

14.10 (c)

14.80 (bc)

19.03 (b)

23.93 (c)

Nitrogen

(mg∙g⁻¹ DW)

0.32 (b)

0.35 (b)

0.42 (ab)

0.40 (ab)

0.48 (a)

Phosphorous

(mg∙g⁻¹ DW)

0.081 (b)

0.092 (b)

0.297 (a)

0.101 (b)

0.098 (b)

Potassium

(mg∙g⁻¹ DW)

11.6 (b)

14.2 (b)

19.6 (a)

20.5 (a)

20.8 (a)

Protein

(mg∙g⁻¹ DW)

1.77 (b)

2.19 (b)

2.60 (ab)

2.50 (ab)

2.60 (a)