Figure 2.

Apical shoot internode growth of Populus trichocarpa Nisqually 1. (A) elongation zone (red arrow) and (B) change in internode lengths along the developing stem of the two trees sampled for RNA.

Dharmawardhana et al. BMC Genomics 2010 11:150   doi:10.1186/1471-2164-11-150
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