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. 2017 Oct 10;8:1724. doi: 10.3389/fpls.2017.01724

FIGURE 2.

FIGURE 2

Impacts of PPFD on sugar content of internode 4. (A) Sucrose, (B) glucose, (C) fructose, and (D) starch contents of internode 4 at FBV stage, 4 and 8 days after FBV stage. Internode 4, that supports bud 4, is the fourth internode counted from the apex, excluding the flower peduncle. Each data represents the average of four repetitions. Error bars represent standard error of the mean (SE). Different letters indicate significant differences between treatments and times (ANOVA followed by a Tukey test, P < 0.05).