Table 1 Chlorophyll fluorescence kinetic parameters in wild-type and transgenic lines at different growth stages

Fv/Fm

WT

0.748 ± 0.016 a

0.806 ± 0.005 a

0.823 ± 0.016 a

0.804 ± 0.021 ab

0.731 ± 0.023 a

Ri3

0.755 ± 0.007 a

0.801 ± 0.003 a

0.785 ± 0.018 b

0.751 ± 0.063 b

0.685 ± 0.007 b

OE9

0.752 ± 0.004 a

0.812 ± 0.017 a

0.841 ± 0.013 a

0.838 ± 0.025 a

0.732 ± 0.021 a

ΦPSII

WT

0.185 ± 0.019 a

0.221 ± 0.012 a

0.275 ± 0.012 a

0.248 ± 0.031 a

0.178 ± 0.014 a

Ri3

0.198 ± 0.019 a

0.223 ± 0.011 a

0.235 ± 0.012 b

0.165 ± 0.011 b

0.141 ± 0.009 b

OE9

0.203 ± 0.022 a

0.228 ± 0.009 a

0.291 ± 0.013 a

0.257 ± 0.014 a

0.196 ± 0.012 a

qP

WT

0.241 ± 0.025 a

0.294 ± 0.007 a

0.331 ± 0.023 b

0.304 ± 0.019 b

0.222 ± 0.008 a

Ri3

0.279 ± 0.041 a

0.311 ± 0.024 a

0.296 ± 0.013 b

0.274 ± 0.021 b

0.141 ± 0.024 b

OE9

0.273 ± 0.028 a

0.317 ± 0.015 a

0.368 ± 0.017 a

0.355 ± 0.021 a

0.247 ± 0.027 a

NPQ

WT

0.112 ± 0.013 a

0.132 ± 0.006 a

0.153 ± 0.007 a

0.135 ± 0.012 a

0.107 ± 0.023 a

Ri3

0.099 ± 0.023 a

0.136 ± 0.009 a

0.136 ± 0.013 a

0.111 ± 0.025 a

0.069 ± 0.004 b

OE9

0.129 ± 0.026 a

0.145 ± 0.014 a

0.166 ± 0.025 a

0.154 ± 0.051 a

0.110 ± 0.014 a

ETR

WT

27.741 ± 3.159 a

33.503 ± 0.467 a

38.930 ± 4.319 ab

36.780 ± 1.631 ab

24.460 ± 3.051 ab

Ri3

32.251 ± 4.236 a

32.663 ± 3.695 a

34.060 ± 2.857 b

31.497 ± 4.367 b

20.643 ± 0.771 b

OE9

31.447 ± 3.374 a

34.820 ± 1.146 a

43.217 ± 4.128 a

41.187 ± 2.093 a

28.913 ± 3.019 a

Fv/Fo

WT

2.975 ± 0.236 a

4.036 ± 0.223 a

5.059 ± 0.184 a

4.889 ± 0.246 ab

2.275 ± 0.147 a

Ri3

2.973 ± 0.072 a

4.012 ± 0.227 a

4.142 ± 0.339 b

4.416 ± 0.495 b

1.951 ± 0.237 a

OE9

2.764 ± 0.251 a

4.107 ± 0.145 a

5.547 ± 0.269 a

5.346 ± 0.346 a

2.326 ± 0.224 a