Table 2 Descriptive statistics and heritability of root traits in 40 spinach accessions characterized in the RootViz FS system at 20 (1st), 30 (2nd), and 43 (3rd) days after transplanting (DAT).

From: Temporal phenotypic variation of spinach root traits and its relation to shoot performance

Root trait

Abbreviation

Minimum

Maximum

Mean

Fold

Standard deviation

CV

Significance

H2

RL

RL_1

0.83

5.60

2.59

6.77

1.06

0.41

0.00

0.78

RL_2

1.38

9.20

3.88

6.67

1.56

0.40

0.00

RL_3

3.69

27.50

10.03

7.45

4.70

0.47

0.00

RA

RA_1

2.47

16.52

8.33

6.70

3.54

0.42

0.00

0.79

RA_2

4.07

25.54

11.71

6.28

4.62

0.39

0.00

RA__3

11.87

66.89

32.64

5.64

12.98

0.40

0.00

RTD

RTD_1

106.69

773.56

401.68

7.25

146.53

0.36

0.00

0.78

RTD_2

194.68

1299.99

575.40

6.68

218.22

0.38

0.00

RTD_3

635.58

3662.62

1464.42

5.76

664.21

0.45

0.00

MRW

MRW_1

21.11

134.20

93.27

6.36

25.56

0.27

0.00

0.75

MRW_2

62.87

156.61

121.95

2.49

19.22

0.16

0.00

MRW_3

107.80

178.78

147.70

1.66

19.04

0.13

0.00

TRL

TRL_1

21.11

58.67

37.76

2.78

7.90

0.21

0.00

0.69

TRL_2

29.56

77.11

50.73

2.61

10.83

0.21

0.00

TRL_3

53.62

98.99

87.18

1.85

10.02

0.17

0.00

MRG_RL

MRG_RL12

0.00

0.38

0.11

321.72

0.11

1.04

0.00

ns

MRG_RL23

0.00

0.70

0.18

374.64

0.18

0.96

0.00

MRG_RL13

0.06

0.83

0.24

14.40

0.16

0.65

0.00

MRG_TRL

MRG_TRL12

0.31

4.61

1.62

15.09

0.84

0.52

0.00

ns

MRG_TRL23

0.36

2.53

1.58

7.00

0.47

0.30

0.00

MRG_TRL13

0.73

2.19

1.59

2.99

0.30

0.19

0.01

Root fresh weight/g

RFW_3

1.60

38.28

12.65

23.93

8.31

0.66

0.00

ns

Specific root length/(m/g)

SRL_3

0.30

3.28

1.03

11.09

0.65

0.63

0.00

ns

Root-shoot ratio

RS_3

0.10

0.50

0.28

5.00

0.10

0.37

0.00

ns

  1. The number after the underscore indicates the order of image acquisition.
  2. MRG_RL12, mean growth rate of total root length between the 1st and 2nd sampling periods; MRG_RL23, mean growth rate of total root length between the 2nd and 3rd sampling periods; MRG_RL13, mean growth rate of total root length between the 1st and 3rd sampling periods; MRG_TRL12, mean growth rate of tap root length between the 1st and 2nd sampling periods; MRG_TRL23, mean growth rate of tap root length between the 2nd and 3rd sampling periods; MRG_TRL13, mean growth rate of tap root length between the 1st and 3rd sampling periods.
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