Fig. 6From: Analysis of exogenous lactic acid bacteria on growth and development of different herbaceous peony varieties and rhizosphere soil nutrientsEffects of exogenous LAB on the rhizosphere soil free salicylic acid content of herbaceous peony and the rates of change. D ‘Dafugui’; H ‘Hongxiuqiu’; Z ‘Zifengyu’. D-CK ‘Dafugui’ control group; D-LAB ‘Dafugui’ treatment group, H-CK ‘Hongxiuqiu’ control group; H-LAB ‘Hongxiuqiu’ treatment group, Z-CK ‘Zifengyu’ control group; Z-LAB ‘Zifengyu’ treatment group. Rate of change (ROC): the ratio of the amount of change (difference between the treatment and control groups) to the control group. All values were represented as the mean ± SE of three replicates (n = 3)Back to article page