Table 2 Photosynthetic parameters and fluorescence kinetic parameters of leaves in pale green mutant (pgm) and wild-type (FT).

From: Identification of a biomass unaffected pale green mutant gene in Chinese cabbage (Brassica rapa L. ssp. pekinensis)

Traits

Characteristics

FT

pgm

Photosynthetic parameters

Net photosynthetic rate (Pn, μmol CO2 m−2 s−1)

13.78 ± 0.71

12.82 ± 1.55

Stomatal conductance (Gs, mol H2O m−2 s−1)

0.4237 ± 0.28

0.2803 ± 0.09

Intercellular CO2 concentration (Ci, μmol CO2 mol−1)

246.00 ± 28.28

336.00 ± 21.27*

Transpiration rate (Ts, mmol H2O m−2 s−1)

4.08 ± 0.36

4.87 ± 0.74

Fluorescence kinetic parameters

Minimum fluorescence (F0)

0.1067*

0.0550

Maximum fluorescence (Fm)

0.5783*

0.1697

Primary photochemical efficiency of PS II (Fv/Fm)

0.8150*

0.6757

Actual photochemical efficiency of PSII (ΦPSII)

0.4000

0.5350*

Photochemical quenching (qP)

0.7070

0.9453*

Non-photochemical quenching (NPQ)

0.6000*

0.1493

  1. The t-test with paired comparison was used to test the significant differences between the wild-type FT and pale green mutant (pgm).The ‘*’ followed by figures represents significant differences at 5% levels.