Integrated Analysis for Identifying Radix Astragali and Its Adulterants Based on DNA Barcoding

Table 4

The information of identification efficiency for six barcodes.

Markers	COI	ITS2	ITS	matK	rbcL	psbA-trnH
Number of sequences	39	72	185	65	43	74
Average GC content/%	43.29	50.80	52.97	31.14	42.88	21.77
Genetic distance
Min	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000
Max	0.0086	7.9494	5.3130	0.2801	0.0349	2.2701
Average	0.0019	1.0792	0.3508	0.0711	0.0116	0.5080
Identification efficiency/%
BLAST 1/%	10.26	12.50	30.81	29.23	23.26	29.73
Nearest distance/%	33.33	27.78	52.43	66.15	37.21	41.89