Table 2.

Proportions of total variance (%) in allelopathic effects of H. mantegazzianum attributed to variation between areas, populations within areas, maternal lines within populations and residuals, together with the variance measures and their 95 % confidence intervals (CI)

	Between areas	Between populations	Within populations	Residuals
Germination of P. lanceolata
Proportion of variance (%)	0.48	0.22	11.62	87.69
Variance	0.0172	0.00772	0.417	3.15
Lower bound of 95 % CI	1.38 × 10–16	9.45 × 10–17	2.10 × 10–10	2.40
Upper bound of 95 % CI	0.0892	0.0322	1.03	3.91
Root length of P. lanceolata
Proportion of variance (%)	1.12	0.21	39.62	59.05
Variance	0.00538	0.001	0.190	0.283
Lower bound of 95 % CI	3.55 × 10–17	7.08 × 10–17	0.0915	0.225
Upper bound of 95 % CI	0.0317	0.00365	0.324	0.344