不同植物生长调节剂对瑞香红苹果树生长及成花的影响  

Effects of different plant growth regulators on the growth and flower formation of ‘Ruixianghong’ apple tree

作　　者：邹倩 孙鲁龙 苏雅婷 曹静瑶 贾鹏晓 刘倩倩 高华[1] Zou Qian;Sun Lulong;Su Yating;Cao Jingyao;Jia Pengxiao;Liu Qianqian;Gao Hua(College of Horticulture,Northwest A&F University,Yangling,Shaanxi 712100)

机构地区：[1]西北农林科技大学园艺学院,陕西杨凌712100

出　　处：《中国果树》2025年第1期17-22,共6页China Fruits

基　　金：国家重点研发计划(2023YFD2301000);陕西省科技重大专项项目(2020zdzx03-06-02-02);渭南市科技专项(2024WNXNZX-1)。

摘　　要：针对瑞香红/青砧1号苹果枝条生长过旺、成花难等问题,为筛选控制瑞香红枝条旺长、促进花芽分化的适宜植物生长调节剂种类及使用浓度,以传统控旺促花措施拉枝和摘心配合处理作对照,选用3种植物生长调节剂对树体进行处理,调查不同处理对枝条生长及成花的影响。结果表明,与对照相比,1 200mg/kg多效唑综合处理效果最好,株高、冠径、主枝长度、新梢长度较对照均显著降低,分别降低9.9%、13.9%、24.9%、46.6%,花量较对照提高了4倍。3种植物生长调节剂均能不同程度抑制树体生长、促进成花,以1 200 mg/kg多效唑处理效果最好,可在苹果新梢生长初期全树喷施。To address the issues of excessive growth and difficulty in flowering of the Ruixianghong/Qingzhen No.1 apple branches,we aimed to screen suitable plant growth regulators for controlling the vigorous growth of‘Ruixianghong’ branches and promoting flower bud differentiation.We compared three types of plant growth regulator with traditional growth control and flowering promotion methods,such as branch bending and pinching.Treatment with three different plant growth regulator was conducted,and the effects of various treatments on branch growth and flowering were investigated.The results indicated that the comprehensive treatment with 1,200 mg/kg PP333showed the best results compared to the control group,significantly reducing tree height,crown diameter,main branch length,and new shoot length by 9.9%,13.9%,24.9%,and 46.6%,respectively.Moreover,the flower quantity increased fourfold compared to the control.All three plant growth regulators effectively suppressed tree growth and promoted flowering to varying degrees,with the 1,200 mg/kg PP333treatment being the most effective.It is recommended to apply this treatment as a foliar spray during the early growth phase of new apple shoots.

关 键 词：苹果 瑞香红 植物生长调节剂 控梢 成花 

分 类 号：S661.1[农业科学—果树学]