Table 4 Analysis of variance (mean squares) for the effects of salinity and ecotype on PH ^a, Fy and photosynthesis parameters of S. persica ecotypes.

MS

p Value

MS

p Value

MS

p Value

MS

p Value

Block

2

6.2

5.81

59.9

11.0

Salinity (Sa)

3

304.5^**

0.0003

233.31^**

0.0091

74420.1^**

< 0.0001

114.8^*

0.0221

Error a

6

8.4

22.94

530.3

16.5

Ecotype (Ec)

2

221. 8^**

0.0004

543.15^**

< 0.0001

59102.5^**

< 0.0001

81.3^**

0.0018

Sa × Ec

6

55.5^*

0.0237

41.75^**

0.0004

5895.7^**

0.0006

24.2^*

0.0428

total Error

16

16. 4

5.09

786.9

8.4

CV (%)

12.3

10.9

12.8

16.4

S.O.V

df

T

Ci

CE

Pwue

MS

p Value

MS

p Value

MS

p Value

MS

p Value

Block

2

9.3

15.9

0.025

0.008

Salinity (Sa)

3

425.6^**

0.0004

728.7^**

0.0002

0.056 ^ns

0.1798

0.042 ^ns

0.4166

Error a

6

12.4

17.0

0.025

0.038

Ecotype (Ec)

2

633.5^**

< 0.0001

251.6^**

0.0011

0.057^*

0.0310

0.213^**

0.0003

Sa × Ec

6

52.1^**

0.0008

69.8^*

0.0367

0.076^**

0.0023

0.103^**

0.0010

total Error

16

7.3

23.2

0.013

0.015

CV (%)

11.0

15.8

18.4

16.0