Table 3 Effect of glyphosate application on the photosynthetic rate (A N ), stomatal conductance (g s ), substomatal CO 2 concentration (C i ), transpiration rate (E), quantum efficiency of photosystem II (PhiPS2), maximum quantum yield efficiency (Fv/Fm) and SPAD index
From: Protein kinase GCN2 mediates responses to glyphosate in Arabidopsis
Genotype |  | A N (μmol m −2  s −1 ) | g s (mol m −2  s −1 ) | C i (μmol mol −1 ) | E (mmol m −2  s −1 ) | PhiPS2 | Fv/Fm | SPAD (a.u.) |
|---|---|---|---|---|---|---|---|---|
Ler | Control glyphosate | 7.3a | 0.13a | 301b | 3.3a | 0.106a | 0.822 | 33a |
3.1b | 0.05b | 328a | 2.0b | 0.059b | 0.826NS | 27b | ||
gcn2 | Control glyphosate | 7.5 | 0.10 | 288a | 3.1 | 0.134 | 0.834 | 34b |
7.2NS | 0.08NS | 255b | 2.6NS | 0.125NS | 0.836NS | 37a |