Skip to main content

Table 3 Two-way ANOVA of Aeration volume (A), Salinity level (S) and the A × S interaction on root length (cm/plant), surface area (cm2/plant) and volume (cm3/plant) distribution by root diameter

From: Effect of soil aeration on root morphology and photosynthetic characteristics of potted tomato plants (Solanum lycopersicum) at different NaCl salinity levels

 

Root diameter (D) mm

Aeration volume (A)

Salinity level (S)

A × S

Root length

0–0.1

34.642**

50.032**

7.990**

0.1–0.2

23.235**

47.477**

8.981**

0.2–0.5

16.141**

43.765**

5.879**

0.5–1.0

12.696**

28.400**

2.458 ns

1.0–2.0

7.176**

12.649**

0.805 ns

>2.0

3.752*

4.764*

0.301 ns

Root surface area

0–0.1

34.675**

51.435**

8.355**

0.1–0.2

23.132**

48.499**

9.162**

0.2–0.5

15.997**

43.234**

5.369**

0.5–1.0

12.492**

27.429**

2.377 ns

1.0–2.0

6.941**

12.180**

0.762 ns

>2.0

2.894 ns

4.028*

0.320 ns

Root volume

0–0.1

35.306**

53.769**

8.872**

0.1–0.2

22.956**

49.463**

9.337**

0.2–0.5

15.728**

42.319**

4.867**

0.5–1.0

12.253**

26.422**

2.289 ns

1.0–2.0

6.704**

11.704**

0.724 ns

>2.0

1.794 ns

3.025 ns

0.336 ns

  1. Note: ANOVA F-value for main and interaction effects were not significant (ns) or significant at ≤5% (*) and ≤ 1% level (**)