Fig. 4From: 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 qPCR in samples obtained from the surface of tissue culture medium treated with nanomaterials at a concentration of 1 × MBC (50 mg L-1 Ag). The same letters indicate no significant difference according to Tukey’s test (p < 0.05)Back to article page