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. 2022 Dec 1;11(23):3337. doi: 10.3390/plants11233337

Figure 4.

Figure 4

Pseudo-color images of maximum quantum yield of photosystem II (Fv/Fm; (equations and explanations in Table 2)) exhibited by leaves sampled from chrysanthemum cuttings exposed for 30 days to different light quality regimes (red (R), red and blue (R:B), red, blue and far-red (R:B:FR), white (W) and blue (B); see the spectrum in Figure 9). During the experiment, the photosynthetic photon flux density was set to 150 ± 5 µmol m−2 s−1. Six replicates per treatment were assessed.