Fig. 5From: Exogenous gibberellin altered morphology, anatomic and transcriptional regulatory networks of hormones in carrot root and shootEffects of GA3 and PBZ treatments on the ratio of xylem area to total root area. Values are means ± SD from three replicates, and the bars represent SD. Statistical differences were evaluated by Student t test at the 0.05 probability level. The asterisk indicates a significant difference compared with control groupBack to article page