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. 2019 Nov 8;10:1221. doi: 10.3389/fpls.2019.01221

Figure 1.

Figure 1

The effects of photoperiod, time point, and genotype on expression of the non-flowering genes and flowering genes. The average numbers of variable conditions in which a gene showed significant differential expression when one variable is fixed (photoperiod, time point, or genotype) for the non-flowering genes (black columns) or the flowering genes (gray columns). For instance, under long-day photoperiod, there are possible variable conditions of 18 (6 genotypes × 3 sampling time points). Since there are three photoperiod regimes, the total number of conditions is 54 under fixed photoperiod. Similarly, the total number of conditions under fixed time point or under fixed genotype is 54. Whitney nonparametric test was employed to examine the statistical significance difference ( p > 0.05) in differential expression using Prism v.6.0.