Fig. 8

Root soil alpha diversity analysis diagram (A); PCA score plot of bacteria, archaea and fungi in root soil, Blue: YG, Purple: PG (B); Root soil microbial LEfSe difference analysis diagram (C). YG: Root system soil of Tai Codonopsis Radix; PG: Root system soil of Lu Codonopsis Radix.(In this sampling and analysis process, the sample size was determined to be n = 6).