Fig. 2From: Biological control agent Rhizobium (=Agrobacterium) vitis strain ARK-1 suppresses expression of the essential and non-essential vir genes of tumorigenic R. vitisThe concentration of acetosyringone (AS) after incubation Rhizobium vitis Ti strain (VAT03-9) and non-pathogenic strains (ARK-1 and VAR06-30) with AT medium (ATM) or only ATM without a bacterial strain as negative control. The center bar of the boxplot is the median, the lower and upper horizontal bars are 25th and 75th percentile, and whiskers show 95% rangeBack to article page