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. 2014 Jan 20;9(1):e86217. doi: 10.1371/journal.pone.0086217

Figure 2. Poplar DELLA domain and GA2ox encoding genes were significantly up-regulated by SD photoperiod.

Figure 2

Shown are mean±SE of three biological reps each consisting of leaf tissue pooled from three plants subjected to long-day (LD) and SD (1, 3, and 5 weeks) treatments. Expression was normalized to Ubq and Cyc. Significant differences between LD and SD treatments were determined by one-way ANOVA followed by Dunnett’s post-hoc test (*, P<0.05).