Treatments

GS activity, units g−1 fr.wt.

-Cd +Cd

% Inhibition

Control

18.5 ± 2 (100)

13.6 ± 2 (100)

27

KNO3, 10 mM

18.1 ± 4 (98)

5.9 ± 2* ( 43)

67

NH4Cl, 10 mM

13.9 ± 3 (75)

10.4 ± 1 (76)

25

NH4NO3, 5 mM

18.5 ± 1.5 (100)

10.4 ± 1 (76)

44

NH4NO3, 5 mM + KNO3, 10 mM

18.7 ± 5 (101)

12.3 ± 3 (90)

34

NH4NO3, 5 mM + NH4Cl, 10 mM

19.7 ± 3 (106)

14.8 ± 4 (109)

25