Effects of gibberellin (GA₃) and rooting powder (ABT) on the forcing culture of tree peony

Effects of different treatments of GA₃ and ABT on the forcing culture of tree peony was primarily studied using Paeonia×suffruticosa 'Cang Zhi Hong' as the material. The results showed that GA₃ had positive effects on releasing dormancy, advancing sprouting, increasing sprouting proportion, promoting flowering and the growth of leaves and stems,decreasing cumulative temperature but reducing flowering rate and the quality of cut flower; ABT was effective in promoting the growth of new roots and improving the quality of cut flower and 100 mg/L was the best treatment.