Table 5 Analysis of variance (mean squares) for the effects of salinity and ecotype on forage qualitative traits a, shoot elements concentration and soil electrical conductivity of S. persica ecotypes.

From: Variations in growth, physiology and fodder quality among salicornia persica ecotypes irrigated with persian gulf seawater

S.O.V

df

N

CP

Ash

CF

ADF

  

MS

p Value

MS

p Value

MS

p Value

MS

p Value

MS

p Value

Block

2

0.23

 

8.8

 

3.3

 

6.8

 

4.6

 

Salinity (Sa)

3

4.76**

0.0003

186.1**

0.0003

121.9**

0.0004

64.5*

0.0191

9.1 ns

0.5452

Error a

6

0.13

 

5.0

 

3.7

 

8.7

 

11.7

 

Ecotype (Ec)

2

6.74**

< 0.0001

263.4**

< 0.0001

40.8**

0.0005

1604.0**

< 0.0001

131.3*

0.0143

Sa × Ec

6

0.76*

0.0113

29.7*

0.0113

15.2**

0.0064

24.3*

0.0144

1.3 ns

0.9992

total Error

16

0.19

 

7.3

 

3.3

 

6.3

 

23.4

 

CV (%)

 

11.6

 

11.6

 

13.4

 

10.9

 

12.6

 

S.O.V

df

NDF

 

Na+

 

K+

 

Na+/K+

EC

  

MS

p Value

MS

p Value

MS

p Value

MS

p Value

MS

p Value

Block

2

42.1

 

13.2

 

9.9

 

0.14

 

4.9

 

Salinity (Sa)

3

32.0 ns

0.4098

5276.4**

< 0.0001

3318.2**

< 0.0001

39.70**

< 0.0001

3678.7**

< 0.0001

Error a

6

28.4

 

37.9

 

18.8

 

0.21

 

1.1

 

Ecotype (Ec)

2

618.5**

< 0.0001

383.7*

0.0119

132.8**

0.0006

2.77**

0.0007

3.5 ns

0.4326

Sa × Ec

6

3.3 ns

0.9905

805.5**

< 0.0001

45.3*

0.0102

0.77*

0.0279

21.1**

0.0034

total Error

16

25.0

 

64.8

 

10.8

 

0.24

 

4

 

CV (%)

 

13.4

 

11.3

 

9.8

 

16.1

 

8.5

 
  1. ns, ** and * not significant or significant at the 0.01 or the 0.05 probability level, respectively.
  2. a N: nitrogen; CP: crude protein; Ash: ash percent; CF: crude fiber; ADF: acid detergent fiber; NDF: neutral detergent fiber; Na+: shoot sodium concentration; K+: shoot potassium concentration; Na+/K+: shoot sodium to potassium ratio and EC: soil electrical conductivity.