Chapter 5 170 Figure 5.2. Col-0 inflorescence elongation in response to FR-enrichment in different light settings. (a) Effect of day length on Col-0 inflorescence stem elongation over 9 days of WL+FR treatment in both Short Day (SD: 8h day light, 16h dark) and Long Day (LD: 16h day light, 8h dark) conditions at 150 PAR with an R:FR ratio of 0.2. The study included 2 independent replicates with a sample size of n=12. (b) Col-0 inflorescence stem diameter after 9 days of WL+FR treatment in SD and LD conditions at 150 PAR with an R:FR ratio of 0.11. The study comprised 30 biological replicates and was repeated three times. (c) Col-0 inflorescence diameter after 7 days of WL+FR treatment in LD or SD at 150 PAR, R:FR=0.11. (d) Effect of R/FR ratios on Col-0 inflorescence stem elongation after 7 days of WL+FR treatment in LD at 200 PAR. The study included 20 replicates with 2 repeats. (e) Col-0 inflorescence stem elongation after 7 days of WL+FR treatment in LD at 200 PAR, R:FR=0.2. The study for (d,e) comprised 12 biological replicates and was repeated twice. Significance between WL and WL+FR is denoted by asterisks (* p≤0.05, ** p≤0.01). Error bars represent ± SE.
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