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Table 2 Phenotypic variances for three P treatments in DH lines

From: QTL mapping of root traits in wheat under different phosphorus levels using hydroponic culture

Trait P Level Min Max Mean ± SD h2 G T G × T
F.value F.value F.value
RL (cm) C 18.13 56.86 33.07 ± 10.72 0.90 2.89** 706.75** 1.39**
L 22.21 98.83 60.51 ± 21.07 0.83 1.53**
H 2.01 63.37 40.00 ± 12 0.77 1.09
RV (cm3) C 0.05 0.23 0.11 ± 0.03 0.86 2.06** 1252.17** 1.46**
L 0.04 0.34 0.17 ± 0.05 0.81 1.45**
H 0.08 0.42 0.22 ± 0.008 0.87 2.28**
RD (cm3) C 0.16 0.35 0.21 ± 0.03 0.87 2.27** 2274.54** 1.43**
L 0.14 0.28 0.19 ± 0.02 0.86 2.01**
H 0.08 0.42 0.23 ± 0.06 0.88 2.54**
RTN C 209 1822 716.25 ± 246.7 0.91 3.19** 403.58** 1.34**
L 183 2477 1090.1 ± 352.41 0.84 1.76**
H 184 1593 836.63 ± 341.52 0.82 1.56**
ROSA (cm3) C 7.25 39.36 21.44 ± 5.24 0.88 2.45** 700.51** 1.36**
L 7.48 66.38 36.07 ± 10.12 0.82 1.48**
H 9.78 66.83 33.99 ± 9.32 0.83 1.68**
SDW (mg) C 0.02 2.06 0.04 ± 0.009 0.76 1.04 46.72** 1.01
L 0.02 0.09 0.05 ± 0.01 0.86 2.09**
H 0.005 0.12 0.071 ± 0.009 0.88 2.54**
RDW (mg) C 0.01 0.03 0.02 ± 0.001 0.89 2.69** 451.45** 1.41**
L 0.01 0.04 0.02 ± 0.001 0.84 1.72**
H 0.01 0.12 0.07 ± 0.02 0.89 2.67**
TDW (mg) C 0.01 2.08 0.06 ± 0.008 0.76 1.05 65.22** 1.03
L 0.01 0.12 0.07 ± 0.02 0.85 1.88**
H 0.01 0.04 0.02 ± 0.001 0.88 2.42**
RRS C 0.01 0.71 0.38 ± 0.07 0.91 3.34** 180.38** 1.03
L 0.18 1.04 0.39 ± 0.07 0.83 1.68**
H 0.01 0.16 0.09 ± 0.02 0.88 2.50**
  1. * Significant at P < 0.05, ** Significant at P < 0.001
  2. Abbreviations: C zero control, L low P treatment, H high P treatment, RL root length, RV root volume, RD root diameter, RTN root tip number, ROSA root surface area, SDW shoot dry weight, RDW root dry weight, TDW total dry weight, RRS ratio of root to shoot dry weight