多效唑对4年生大久保桃树生长、结果的影响

4年生大久保桃树伏天土施多效唑（PP333）后，显著抑制了新梢延长枝及其副梢的生长，缩短了节间长度，短枝及花束状果枝比例显著增大，徒长枝及长枝比例显著减小，花芽量显著提高。生产中4年生桃树土施多效唑（纯量）最佳剂量为每株1．0－1．5g

The Effect of Paclobtrazol on the Growth and Fruit Setting of Four Years Peach Dajiubao

After paclobtrazol was applied in the soil, the growth of new branchs and reborn branchs of four you peach was inhibited, the length between tWo buds shortened. The number of shorter branchs and flowers increased, the number of longer branchs is decreased, the amount of flower buds increased and the optimal best amount of soil application was 1.0~1.5g every tree.