Plant material

Flourescence indices

CK 0 μM

Malate

Tartrate

50 μM

100 μM

50 μM

100 μM

Tobacco

F_O

116.5 ± 5.61

119.5 ± 3.08

116.5 ± 3.83

117.3 ± 4.80

114.1 ± 4.41

F_M

707.5 ± 30.09

719.2 ± 37.77

695.8 ± 28.15

696.8 ± 41.93

690.5 ± 49.75

F_V

591.0 ± 26.33

599.7 ± 37.44

579.3 ± 25.48

579.5 ± 53.45

576.4 ± 38.74

F_V/F_M

0.835 ± 0.006

0.833 ± 0.010

0.833 ± 0.005

0.832 ± 0.045

0.835 ± 0.023

Maize

F_O

246 ± 11.12

257 ± 28.55^*

278 ± 10.52^*

251 ± 14.58

250 ± 19.37

F_M

1139 ± 77.60

1022 ± 76.30

950 ± 78.48

1108 ± 73.14

1167 ± 68.25

F_V

893 ± 69.34

765 ± 58.71^**

672 ± 60.68^**

857 ± 64.97

917 ± 71.74

F_V/F_M

0.784 ± 0.023

0.749 ± 0.223

0.706 ± 0.020^**

0.774 ± 0.025

0.785 ± 0.028