Fig. 6From: Elimination of Curtobacterium sp. strain A7_M15, a contaminant in Prunus rootstock tissue culture production, using reduced graphene oxide–silver–copper and silver–selenium nanocompositesQuantification of Curtobacterium sp. using the method of enumeration of living bacteria on medium in samples obtained from the surface of tissue culture medium treated with nanomaterials at concentrations of 2 ×–8 × MBC (100–400 mg L-1 Ag). The same letters indicate no significant difference according to Tukey’s test (p < 0.05)Back to article page