Table 4.

Relative abundance of common rhizobia detected in the rhizosphere and root nodule samples of D. odorifera seedlings.

Treatments	Relative abundance (%)
	B. elkanii	Unclassified Bradyrhizobium	M. plurifarium	R. huautlense	Unclassified Rhizobium	P. mimosarum*
Bradyrhizobium elkanii H255
N+ nodule	51	0.02	0.01	–	0.10	–
N+ rhizosphere	0.60	–	0.07	–	–	0.02
N− nodule	12	0.01	0.02	0.01	0.40	–
N− rhizosphere	0.12	–	0.05	0.01	0.04	–
Rhizobium multihospitium-like HT221
N+ nodule	33	0.01	0.01	–	0.03	0.01
N+ rhizosphere	1.34	–	0.21	–	0.11	0.02
N− nodule	40	–	0.46	0.12	3.41	–
N− rhizosphere	0.02	–	0.02	–	0.08	–
Burkholderia pyrrocinia–like H022238
N+ nodule	60	0.03	0.17	–	0.22	0.04
N+ rhizosphere	0.89	–	0.10	–	0.02	0.04
N− nodule	14	0.01	0.18	0.02	0.73	–
N− rhizosphere	0.02	–	0.05	0.01	0.05	–
No inoculation
N+ nodule	20	0.02	0.14	–	0.13	–
N+ rhizosphere	0.49	–	0.05	–	0.04	0.01
N− nodule	21	0.01	0.35	0.01	1.19	–
N− rhizosphere	0.02	–	0.03	–	0.03	–

Data were obtained via analyzing the mean OTU value of two replicates of each treatment.

^*Paraburkholeria mimosarum has been transferred from genus Burkholderia to Paraburkholderia (Oren and Garrity, 2015).