以盆栽的一年生劳伦(Loring)桃为试材,喷布0、60、240和960mg有效成分/L PP333,处理后两周再分别喷施0和50mg有效成分/L赤霉素,每个处理添加0.2％吐温20展着剂。喷布PP333后未用赤霉素处理的,随PP333浓度的增加,延长梢长度呈线性降低;对照和60mg/LPP333处理树喷布赤霉素后,延长梢长度分别增加39.8％和69.0％;较高浓度PP333处理的桃树喷布 The potted annual Loring peach was sprayed with 0, 60, 240 and 960 mg of active ingredient / L PP333. Two weeks after the treatment, 0 and 50 mg of active ingredient / L gibberellin were sprayed, each Treatment Add 0.2% Tween 20 Spread. After the PP333 was sprayed, the prolongation of the elongation was linearly decreased with the increase of the concentration of PP333. The length of the extended shoots increased 39.8% and 69.0% respectively after the control and 60mg / LPP333 treatment trees were sprayed with gibberellin. Higher concentration of PP333 peach spray