Figure 6. The comparison of solution HCG-1 with HCG-2 on Arabidopsis thaliana root tip clearing Proportion of plasmolytic cells and proportion of root tips with clear QC cells of Arabidopsis thaliana seedlings cleared by HCG-1 and HCG-2 for 5 min under pH7.2 (** P<0.01, *** P< 0.001). Bars=50 μm