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Comparison of antiviral activity of strain KBPF-004 and type strain ATCC 8062
*Antiviral activity (%) = [1 − (number of lesions on treatment†/number of lesions on control‡)] × 100.
§Mean ± standard deviation indicated by letters are significantly different according to the Duncan’s multiple range test at P < 0.001. Antiviral activity was assayed using three tobacco plants per strain.