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. 2017 Nov 18;16(3):808–817. doi: 10.1111/pbi.12830

Figure 4.

Figure 4

Morphological changes in overexpression of PtrHB4mt Populus. (a) Morphological phenotype of PtrHB4mt and WT plants. (b) Mature leaves of PtrHB4mt and WT plants. (c) Expression levels of PtrHB4mt in transgenic plants and WT plants. (d) Internode length and (e) stem diameter of PtrHB4mt and WT plants. Bars in (c), (d) and (e) are means ± SD of n = 3 biological replicates. Significance testing was conducted using the two‐sample t‐test (*P < 0.05, **P < 0.01 and ***P < 0.001). Bars: 10 cm in (a), 5 cm in (b).