Figure 4 Gas exchange analysis of OxPtrWRKY75 plants showing higher instantaneous water-use efficiency (WUE) as a result of reduced transpiration and stomatal conductance.
(A) Net photosynthesis rate–light curve. Data are means ± SE (n= 6). Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test.
(B) Stomatal conductance–light curve. Data are means ± SE (n = 6). Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test. Asterisks denote significant differences: *P ≤ 0.05; **P < 0.01.
(C) Transpiration–light curve. Data are means ± SE (n = 6). Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test. Asterisks denote significant differences: *P≤ 0.05; **P < 0.01.
(D) Instantaneous WUE–intercellular CO2 concentration curve. Data are means ± SE (n = 6). Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test. Asterisks denote significant differences: *P ≤ 0.05; **P< 0.01.
(E) Vapor pressure deficit–light curve. Data are means ± SE (n = 6). Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test.