Figure 4: Maximum Photochemical Rate (Fv/Fm) (A), Actual Photochemical Efficiency of Photosystem II (φPS II) (B), Photochemical Quenching Coefficient (qP) (C) and Non-Photochemical Quenching (NPQ) (D) in Leaves of Three Forages Under Shading.
doi 10.7717/peerj.7594/fig-4