Supporting information
Table S1 Significance levels of difference and relative change
in probability that trapped exciton moves an electron further than
QA- (ψo) between predawn and other
observation time points under different treatments of elevated
CO2 concentration [CO2].
Table S2 Significance levels of differences and relative change
in the electron transport quantum yield (φEo) between
predawn and other observation time points under different treatments of
elevated CO2 concentration [CO2].
Table S3 Significance levels of differences and relative
changes in the performance index (PIABS) between predawn
and other observation time points under different treatments of elevated
CO2 concentration [CO2].
Fig. S1 Diurnal variation of minimum fluorescence
(Fo) in rice under different treatments of elevated
CO2 concentration [CO2]. (a) and (d)
were jointing stage, (b) and (e) were heading stage, and (c) and (d)
were grain filling stage. AI+160 and
AI+200 were short-term (one growing season) abrupt
increase of [CO2] by ~160 μmol
mol-1 and ~200 μmol
mol-1, respectively. CI: constant increase of
[CO2] by ~200 μmol
mol-1 based on ambient [CO2] for
four generations. SI: stepwise increase of [CO2] for
four generations with the [CO2] being
~40, 80, 120 and 160 μmol mol-1 higher
than ambient in each generation. Data is mean ± SE (n=12). Significance
levels of Fo between two treatments at the same time
were indicated by +, * and ** for p<0.1, p<0.05 and
p<0.01.
Fig. S2 Diurnal variation of fluorescence at J-step
(Fj) in rice under different treatments of elevated
CO2 concentration [CO2]. (a) and (d)
were measured at jointing stage, (b) and (e) were measured at heading
stage, and (c) and (d) were observed at grain filling stage.
AI+160 and AI+200 were short-term (one
growing season) abrupt increase of [CO2] by
~160 μmol mol-1 and
~200 μmol mol-1, respectively. CI:
constant increase of [CO2] by ~200
μmol mol-1 based on ambient [CO2]
for four generations. SI: stepwise increase of [CO2]
for four generations with the [CO2] being
~40, 80, 120 and 160 μmol mol-1 higher
than ambient in each generation. Data is mean ± SE (n=12). Significance
levels of Fj between two models at the same time were
indicated by +, * and ** for p<0.1, p<0.05 and
p<0.01.