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Botanical Studies

Table 4 Results of two-way ANOVA (F-ratios) showing the effects of different concentrations (C) of Phragmites australis litter mediated agarose on germination and growth of Lactuca sativa with different seed densities (D)

From: Allelopathy and resource competition: the effects of Phragmites australis invasion in plant communities

Factor

df

F ratio and probability

Germination percentage

Above ground biomass

Below ground biomass

Total biomass

Root length

Root length

Concentration (C)

2

24.17***

71.35***

30.54***

53.59***

91.53***

29.67***

Density (D)

2

7.61***

7.95**

7.19**

6.19**

14.99***

20.82***

C × D

4

2.76*

4.51*

0.43ns

2.05ns

2.40ns

1.95ns

Error

18

      

Total

27

      
  1. Data used as % of control. Level of significance: ***, **, * and ns indicate significant difference at P ≤ 0.001, P ≤ 0.01, P ≤ 0.05 and non-significant respectively
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