Table 1 Initial physical and chemical characteristics of Q. ilex leaves from control (C) and ozone treated (T) plants

Dry mass (mg/leaf)

135.08 ± 12.99

171.25 ± 25.12

Leaf area (cm²/leaf)

8.23 ± 0.75

9.33 ± 1.32

Specific leaf mass (mg/cm²)

16.80 ± 3.16

18.48 ± 5.33

C (% d.w.)

47.81 ± 0.06

47.63 ± 0.24

N (% d.w.)

1.59 ± 0.01

1.63 ± 0.01

S (% d.w.)

0.08 ± 0.01

0.09 ± 0.01

Ca (mg g⁻¹ d.w.)

4.89 ± 0.24

5.26 ± 0.23

Mg (mg g⁻¹ d.w.)

1.66 ± 0.05

1.68 ± 0.04

K (mg g⁻¹ d.w.)

6.84 ± 0.13

7.19 ± 0.16

Fe (mg g⁻¹ d.w.)

0.26 ± 0.01

0.29 ± 0.01

Zn (mg g⁻¹ d.w.)

0.04 ± 0.01

0.05 ± 0.01

Mn (mg g⁻¹ d.w.)

0.15 ± 0.01

0.13 ± 0.01

Total soluble sugars (mg g⁻¹ d.w.)

172.92 ± 4.57

160.27 ± 2.82

Starch (mg g⁻¹ d.w.)

17.02 ± 1.30

17.24 ± 2.07

ADF (% d.w.)

64.35 ± 0.71

64.65 ± 0.46

Lignin (% d.w.)

31.18 ± 1.46

33.02 ± 0.82

Cellulose (% d.w.)

33.17 ± 1.92

31.63 ± 1.08