Fig. 4From: Fluctuating light experiments and semi-automated plant phenotyping enabled by self-built growth racks and simple upgrades to the IMAGING-PAMThe reconfigured IMAGING-PAM with the newly designed sample crate and holders delivers perfectly focused false color images and values (Fv/Fm and non-photochemical quenching NPQ/4) of 4 week old npq4-1, wild-type, and npq2-1 plants grown in constant light (90 µmol photons m–2 s–1)Back to article page