Table 1 Effect of 24-epibrassinolide and silicon individually and in combination on gas exchange parameters (Pn, A, gs, E) (E) RWC, Proline and glycine betaine content in Pisum sativum seedlings under Cd stress

C

12.15±0.075^c

13.88±0.031^d

305±1.19^d

1.63±0.014^c

26.31±0.23^f

2.04±0.011^e

92.77±0.3^b

C+EBL

12.37±0.073^c

14.03±0.027^c

380±2.671^b

1.77±0.022^b

27.44±0.13^e

2.05±0.016^e

93.52±0.508^b

C+Si

13.01±0.079^b

14.95±0.08^b

385±1.682^b

1.75±0.018^b

27.15±0.15^e

2.17±0.03^d

93.77±0.316^b

C+EBL+Si

14.21±0.091^a

16.07±0.092^a

401±2.753^a

1.88±0.029^a

28.37±0.25^d

2.23±0.039^d

95.42±0.125^a

Cd

6.54±0.022^f

6.07±0.025^g

59±3.695^g

0.44±0.028^f

115±1.7^c

4.93±0.036^c

55.49±0.511^e

Cd+EBL

8.15±0.034^e

7.75±0.044^f

140±3.391^e

0.85±0.011^e

125±1.59^b

5.74±0.05^b

74.21±0.276^d

Cd+Si

8.65±0.035^e

7.81±0.043^f

120±2.372^f

0.89±0.012^e

129±1.62^b

5.87±0.053^b

76.84±0.588^d

Cd+EBL+Si

10.77±0.055^d

10.23±0.063^e

310±1.12^c

1.17±0.018^d

154±1.74^a

6.14±0.072^a

88.42±0.155^c