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Photon Systems Instruments (PSI)

Submersible FL 3500/SM

Soil & CropsPhotosysnthesis Chlorophyll & Respiration

FL3500 measures various Chl fluorescence parameters, ratios, and quenching coefficients that provide information on the functionality of the photosynthetic apparatus.

Quantity
1

Overview

  • Maximum quantum yield of Photosystem II Φm = Fv/Fm
  • Non-photochemical quenching NPQ = (Fm - Fm )/ Fm
  • Effective quantum yield of Photosystem II ΦII = (Fm - Fs)/ Fm
  • Non-photochemical quenching of variable Chl fluorescence qn = (Fv - Fv )/ Fv
  • Photochemical quenching of variable Chl fluorescence qp = (Fm - Fs )/(Fm - F0 )

Downloads

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