Table VII.

PSII fluorescence/PSI fluorescence emission measured at 77 K

ConditionFluorescence Emission6-a
Continuous light6-b20-min far-red light
TAP1.74  ± 0.122.04  ± 0.08
TAP-P1.18  ± 0.041.69  ± 0.04
TAP-S1.23  ± 0.032.01  ± 0.07
Sacl TAP-S1.25  ± 0.061.77  ± 0.09

Values are means ± sd of at least three measurements.

    • F6-a 684/714-nm emission.

    • F6-b 80 μmol photons m−2 s−1.