In this study, Euonymus japonicus was used as the test material and two-factor completely randomize design was adopted to investigate the effects of PP333 and TIBA in different concentration levels on root morphology and root activity of Euonymus japonicus, aimed at providing the theoretical basis for mechanism of effects of chemical pruning on nutrient uptake and utilization of hedge plants.Results indicated that:(1)all root morphological characteristics,root activity indexes and morphological characterist...