Root-associated endophytic bacterial community composition and structure of three medicinal licorices and their changes with the growing year

Table 1 Effect of species and year on the bioactive compounds of licorice root

Source		Type III Sum of Squares	Degrees of freedom	Mean Square	F	p value
Years	GIA	8.307	2	4.153	20.087	0.000
	GTF	10.381	2	5.191	97.654	0.000
	LI	5.605	2	2.802	19.053	0.000
Species	GIA	0.231	2	0.116	0.559	0.581
	GTF	0.244	2	0.122	2.296	0.129
	LI	0.297	2	0.149	1.010	0.384
*Years Species**	GIA	0.398	4	0.099	0.481	0.750
	GTF	0.055	4	0.014	0.260	0.900
	LI	0.284	4	0.071	0.483	0.748

ISSN: 1471-2180