Table 2.

Spearman correlation coefficient between phenological and aerobiological data

Period	BBCH 61			BBCH 65
	A. vulgaris	A. absinthium	A. campestris	A. vulgaris	A. absinthium	A. campestris
Whole flowering season
26 July–3 September	0.710**	0.650**	0.354	0.741**	0.567*	0.044
First part of the flowering season
26 July–15 August	0.687	0.371	0.307	0.429	0.405	0.192
Second part of the flowering season
16 August–3 September	–	0.408	0.761*	0.686	0.810*	0.783*

* p value < 0.05

** p value < 0.01