Table 1.

Fluorescence levels and associated light treatments used for cyanobacterial fluorescence quenching analysisa

Fluorescence levelLight treatment (weak modulated measuring beam throughout)
FODark
FMdarkDark + saturating flash
FSActinic light
FODark or weak far-red
FMActinic light + saturating flash
FMActinic light + DCMU
  • a For further details see appendix.