TABLE 4.

Pairwise comparisons of bacterial and fungal rRNA gene library compositions obtained from triplicate rhizosphere soil samples associated with healthy and diseased P. mariana seedlings

Phylogenetic group and rhizosphere sample	Librarya	Similarity coefficientb
		rRNA gene libraries from healthy seedlings			rRNA gene libraries from diseased seedlings
		Rep A	Rep B	Rep C	Rep A	Rep B
Bacteria
Healthy seedlings	Healthy (Rep B)	0.259
	Healthy (Rep C)	0.255	0.364
Diseased seedlings	Diseased (Rep A)	0.233	0.118	0.078
	Diseased (Rep B)	0.118	0.203	0.231	0.292
	Diseased (Rep C)	0.078	0.237	0.231	0.375	0.536
Fungi
Healthy seedlings	Healthy (Rep B)	0.500
	Healthy (Rep C)	0.500	0.489
Diseased seedlings	Diseased (Rep A)	0.211	0.095	0.190
	Diseased (Rep B)	0.250	0.222	0.222	0.400
	Diseased (Rep C)	0.222	0.100	0.200	0.667	0.500

^aLibrary of rRNA genes from triplicate rhizosphere soil samples associated with healthy and diseased P. mariana seedlings. Rep, replicate.

^bCalculated by the method of McCaig et al. (21).