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Table 1 Combined analysis of variance of the measured traits in 20 barley genotypes under control and salinity stress conditions

From: Identification of salt-tolerant barley genotypes using multiple-traits index and yield performance at the early growth and maturity stages

Trait

Salinity treatment

(S; df = 1)

Replication/S

(df = 4)

Genotype

(G; df = 19)

S × G

(df = 19)

Error

(df = 76)

Root fresh weight (RFW)

108.39***

1.09

1.6**

1.05

0.66

Shoot fresh weight (SFW)

5898.39***

35.17

49.63**

23.98*

11.61

Root dry weight (RDW)

0.47**

0.02

0.01

0.005

0.007

Shoot dry weight (SDW)

64.64**

1.85

0.51*

0.27

0.3

Membrane stability index (MSI)

9242.18*

776.24

405.6***

206.04

130.21

Relative water content (RWC)

6276.623**

285.07

117.9**

136.07**

53.17

Relative chlorophyll content (SPAD)

590.96*

42.77

28.06**

19.35

15.3

Photosynthetic rate (PN)

110.68

64.71

37.74

30.49

23.63

Stomatal conductance (GS)

7731.02*

620.89

213.54

251.32

222.22

Transpiration rate (TE)

13.35***

0.01

0.33**

0.39**

0.14

Root Na+ content (RN)

403,186***

2996.48

6373.21***

12,485.03***

1592.84

Shoot Na+ content (SN)

331,272.10***

165.4

1691.4***

1741.66***

134.16

Root K+ content (RK)

2354.89***

4.1

10.37***

8.19***

1.81

Shoot Na+ content (SN)

1079.4***

4.06

23.76***

21.80***

4.18

Root K+ /Na+ ratio (RKN)

0.26***

0.0001

0.003***

0.003***

0.001

Shoot K+ /Na+ ratio (SKN)

35.32***

0.11

0.24***

0.24***

0.06

Root-to-shoot Na+ translocation (RTSN)

5.23***

0.04

0.08***

0.10***

0.01

Root-to-shoot K+ translocation (RTSK)

2802.18**

51.77

43.53*

44.56*

22.87

  1. *, P < 0.05; **, P < 0.01; ***, P < 0.001