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Table 1 Phenotypic variation of root traits significant at P value < 0.0001, based on analysis of variance

From: Genetic variants in root architecture-related genes in a Glycine soja accession, a potential resource to improve cultivated soybean

Traits Parental lines RI population
V71-370 PI407162 Mean ± SD Minimum Maximum
Tap root length (cm) 21.5 17.2 24.3 ± 0.42 12.7 36.8
Root fresh weight (g) 2.0 0.4 0.9 ± 0.03 0.2 2.3
Total root length (cm) 425.0 238.0 430.9 ± 11.4 123.4 805.1
Surface area (cm2) 73.2 29.1 53.2 ± 1.2 16.3 92.3
Average diameter (mm) 0.6 0.4 0.4 ± 0.01 0.3 0.6
Root volume (cm3) 1.0 0.2 0.54 ± 0.01 0.2 1.3
Lateral average diameter (mm) 0.6 0.4 0.5 ± 0.01 0.3 0.7
Tertiary root number 865 439 635.5 ± 22.1 116.0 1650.0
Tertiary root length (cm) 317 191 259.6 ± 8.8 33.5 727.7
Root distribution based on length in diameter (1.0-1.5 mm) 24.0 2.9 9.8 ± 0.4 1.7 28.2
Root distribution based on surface area in diameter (1.0-1.5 mm) 9.2 1.4 3.6 ± 0.2 0.6 10.1
Root distribution based on volume in diameter (1.0-1.5 mm) 0.3 0.04 0.1 ± 0.0 0.0 0.3
Root distribution based on thickness in diameter classification 2 (0.5-1.0 mm) 11.0 0.3 10.8 ± 0.8 0.3 46.5
  1. RI, Recombinant inbred; SD, Standard deviation.