Table 1 Physiological parameters under Fe sufficient and Fe starved treatments

Shoot 4 h

DW

Total Fe

Sol. Fe

SPAD

PN

PS

IAA

 -Fe

1.38 (0.05)

36.6 (2.38)

29.4 (3.65)

28.8 (1.53)

3.95 (0.97)

–

31.1 (4.70)

 +Fe

1.68 (0.17)

76.0* (5.62)

57.5* (2.51)

39.1* (1.31)

4.82 (0.57)

–

34.6 (5.47)

Root 4 h

 -Fe

0.90 (0.19)

45.0 (2.29)

–

–

–

4.98* (1.91)

20.6 (1.47)

 +Fe

0.81 (0.08)

640* (25.4)

–

–

–

1.36 (0.47)

39.2* (7.52)

Shoot 72 h

DW

Total Fe

Sol. Fe

SPAD

PN

PS

IAA

 -Fe

1.72 (0.18)

39.6 (1.25)

29.8 (1.48)

19.7 (1.65)

2.65 (0.56)

–

29.5 (4.89)

 +Fe

2.90* (0.25)

123* (27.8)

92.6 (3.75)

39.4* (2.50)

4.08* (0.49)

–

29.8 (2.50)

Root 72 h

 -Fe

1.08 (0.18)

39.0 (4.75)

–

–

–

2.63* (0.96)

25.8 (5.15)

 +Fe

1.13 (0.25)

294* (10.8)

–

–

–

0.18 (0.04)

41.9* (3.36)

Shoot 96 h

DW

Total Fe

Sol. Fe

SPAD

PN

PS

IAA

 -Fe

1.74 (0.20)

40.9 (5.15)

22.2 (2.02)

22.7 (0.64)

2.28 (0.64)

–

31.9 (6.52)

 +Fe

2.94* (0.07)

88.6* (6.05)

67.7* (5.42)

43.8* (2.41)

4.10* (0.35)

–

31.7 (6.80)

Root 96 h

 -Fe

1.10 (0.16)

73.8 (9.04)

–

–

–

5.64* (1.36)

28.6 (6.45)

 +Fe

1.34 (0.16)

495* (6.11)

–

–

–

0.60 (0.36)

44.2* (1.29)