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Table 1 Descriptive statistics, heritability (h2) and number of significant (p <0.001) quantitative trait loci (QTL)

From: Identification of genomic regions involved in tolerance to drought stress and drought stress induced leaf senescence in juvenile barley

Traita

Description

Treat.b

Unit

Minc

Maxc

Meanc

SDc

CVc

LSDc

h2

No. QTL (SNPs)

BY

Total above ground biomass yield

Control

g

4.47

18.18

10.70

2.68

25.08

4.12

0.80

72 (179)

Stress

g

2.73

9.98

5.57

1.83

32.80

1.45

0.58

19 (32)

DSI

unit free

0.65

1.28

0.98

    

50 (87)

SPAD

Leaf colour

Control

unit free

4.70

48.80

35.76

8.33

23.30

23.39

0.64

8 (12)

Stress

unit free

7.83

46.77

34.16

6.56

19.20

21.41

0.61

3 (6)

DSI

unit free

−7.70

9.41

0.93

    

2 (2)

ETR

Relative electron transport rate at PSII

Control

Y(II) x PAR x 0,84 x 0,5

6.12

32.26

15.73

4.63

29.46

19.47

0.08

 

Stress

Y(II) x PAR x 0,84 x 0,5

2.00

30.70

13.41

4.54

33.85

16.38

0.50

2 (2)

DSI

unit free

−4.09

4.82

0.90

     

OA

Osmolality

Control

osmol kg−1

0.23

0.78

0.46

0.05

11.57

0.19

0.00

 

Stress

osmol kg−1

0.40

1.16

0.67

0.08

11.48

0.23

0.27

22 (29)

DSI

unit free

0.44

2.00

1.02

0.26

   

1 (1)

CFP

Content of free proline

Control

μmol g−1

0.00

22.36

3.66

3.11

84.89

7.33

0.13

 

Stress

μmol g−1

1.02

78.57

23.94

16.86

70.43

44.30

0.29

 

DSI

unit free

0.00

3.46

1.15

    

1 (2)

CSS

Total content of soluble sugars

Control

μmol g−1

86.07

568.07

231.40

85.51

36.95

240.72

0.13

 

Stress

μmol g−1

164.61

981.40

419.64

164.03

39.09

411.52

0.30

1 (1)

DSI

unit free

0.08

2.95

1.07

     
  1. aBY: biomass yield, SPAD: leaf colour, ETR: electron transport rate at PSII, OA: osmolality, CFP: content of free proline, CSS: total content of soluble sugars
  2. bControl and drought stress treatment, as well as DSI: drought susceptibility index across treatments by Fischer & Maurer (1978)
  3. cMinimum, maximum, mean, standard deviation in % (SD), coefficient of variation (CV) (standard deviation divided by mean) and least significant difference (LSD)