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Relationships between stem height at the end of the first growing year of the second rotation and stomatal traits (adaxial, abaxial and total stomatal density, and adaxial stomatal length) during the first growing season of the third rotation on a genotypic-mean basis for 50 selected F1 genotypes of the D × T (deltoides × trichocarpa) family. Lines of best fit are indicated; corresponding Pearson's coefficients (rp) are shown in Table 4.
