Figure 2: The banding pattern of UBC809 primer application. Molecular marker 1 Kb. 1: Isolates No. 16, 2: Isolates No. 218, 3: Isolates No. 159, 4: Isolates No. 226, 5: Isolates No.223, 6: Isolates No. 215, 7: Isolates No. 214. 8: Isolates No. 120, 9: Isolates No. 91, 10: Isolates No.269, 11: Isolates No. 286, NC: Negative Control.