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Table 1 Broad sense pedigree heritability estimates for adventitious root-related phenotypes measured

From: Integration of genetic, genomic and transcriptomic information identifies putative regulators of adventitious root formation in Populus

  Phenotypic values Mean ± SD   
Trait P. trichocarpa × P. deltoides P. deltoides Progeny Variation (Mean ± SD) Broad sense heritability H 2 ± SD
Root architectural traits
 Total root length (cm) 56.5 ± 6.2 86.4 ± 9.0 123.1 ± 94 0.153 ± 0.051
 Total root surface area (cm2) 10.0 ± 1.1 23.4 ± 2.4 25.1 ± 19 0.169 ± 0.052
 Total root volume (cm3) 0.14 ± 0.1 0.51 ± 0.1 0.42 ± 0.3 0.185 ± 0.053
 Average diameter (mm) 0.56 ± 0.2 0.93 ± 0.1 0.70 ± 0.2 0.236 ± 0.055
 Length of root branches (cm) 25.6 ± 10.2 28.5 ± 8.6 55.7 ± 49 0.115 ± 0.049
 Surface area of root branches (cm2) 2.90 ± 0.3 2.40 ± 0.1 4.33 ± 3.8 0.117 ± 0.049
 Volume of root branches (cm3) 0.28 ± 0.8 0.20 ± 0.6 0.034 ± 0.03 0.120 ± 0.049
 Total length of primary roots (cm) 30.8 ± 9.1 57.6 ± 8.2 67.1 ± 50 0.193 ± 0.053
 Surface area of primary roots (cm2) 6.90 ± 1.5 20.1 ± 2.5 19.4 ± 15 0.187 ± 0.053
 Volume of primary roots (cm3) 0.19 ± 0.1 0.61 ± 0.1 0.49 ± 0.4 0.177 ± 0.053
Number of adventitious roots (day 18) 7.36 ± 0.8 4.92 ± 0.5 5.92 ± 4.0 0.341 ± 0.056
Root biomass (mg) 4.73 ± 0.9 27.5 ± 3.2 19.3 ± 20 0.144 ± 0.051