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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