Table 1 Parental means, progeny mean, genotypic range, coefficient of genetic variation and heritabilities for each trait measured
  Trait | P. deltoides73028–62 mean | P. trichocarpa101–74 meana | Progeny mean ± SE | Genotypic rangec | % of transgressive segregation | CVG % | H2 Ind  b | H2 Gen  b |
|---|---|---|---|---|---|---|---|---|
Circum1 (mm) | 48.0 | 21.1 | 46.03 ± 0.31 | 32.1-64.4 | 33.2 | 9.0 | 0.16 | 0.53 |
Height1 (cm) | 253.5 | 185.7 | 286.29 ± 1.32 | 224.8-358.3 | 30.4 | 6.5 | 0.26 | 0.53 |
Circum2 (mm) | 114.3 | 56.3 | 118.80 ± 0.62 | 82.9-150.7 | 39.3 | 16.3 | 0.14 | 0.50 |
Height2 (cm) | 512.8 | 387.3 | 600.10 ± 2.37 | 473.5-724.7 | 33.3 | 5.5 | 0.19 | 0.58 |
Syllep1 | 14.4 | 16.8 | 21.17 ± 0.28 | 8.3-35.7 | 35.7 | 20.3 | 0.31 | 0.72 |
deltaC (mm) | 66.3 | 35.2 | 73.95 ± 0.40 | 50.1-96.6 | 45.7 | 7.4 | 0.18 | 0.57 |
deltaH (cm) | 259.3 | 201.6 | 314.90 ± 1.73 | 226.4-396.5 | 36.6 | 13.4 | 0.28 | 0.69 |
SLA (cm2.g-1) | 121.8 | 153.7 | 142.84 ± 0.46 | 119.1-165.6 | 3.7 | 4.4 | 0.22 | 0.58 |
CM (mg.g-1) | 443.0 | 453.5 | 454.34 ± 0.26 | 437.2-469.7 | 1.36 | 0.7 | 0.14 | 0.45 |
NM (mg.g-1) | 20.3 | 14.8 | 20.46 ± 0.11 | 14.4-26.2 | 16.5 | 7.8 | 0.26 | 0.63 |
Δ ( ‰) | 21.2 | 21.2 | 21.60 ± 0.02 | 20.2-22.9 | 1.89 | 1.1 | 0.09 | 0.32 |