|Table of Contents|

Regulatory Effect of Exogenous Growth Retardants on Growth and Flowering of Potted Hibiscus mutabilis

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年11
Page:
69-75
Research Field:
Publishing date:

Info

Title:
Regulatory Effect of Exogenous Growth Retardants on Growth and Flowering of Potted Hibiscus mutabilis
Author(s):
LI Mengxia; LI Xiu; MA Jiao; TANG Shengwen
(Chengdu Botanical Garden （Chengdu Institute of Park City Plant Research）,Chengdu,Sichuan 610083)
Keywords:
Hibiscus mutabilis; plant growth retardant; compensatory growth; plant architecture regulation; flowering characteristics
PACS:
S685.99
DOI:
10.11937/bfyy.20253883
Abstract:
Taking one-year-old early-flowering variety of Hibiscus mutabilis,‘Baihua Huacai’ potted seedlings as test materials,a pot experiment was conducted to investigate the regulatory effect of different concentrations and ratios of exogenous growth retardants (paclobutrazol/mepiquat chloride and uniconazole/mepiquat chloride) on their growth and flowering,in order to provide a reference for plant architecture regulation in potted Hibiscus mutabilis and its application in home gardening.The results showed that the growth retardant treatments significantly inhibited the early vegetative growth of the plants.At 30 days after treatment,plant height,stem diameter,and leaf length and width in all treatment groups were significantly lower than those in the control.However,a significant compensatory growth phenomenon was observed 30 days after treatment,with substantial increases in the net growth of plant height and stem diameter,exhibiting a multi-peak growth pattern.The retardant treatments also optimized branch architecture,significantly increasing the number of branches and shortening internode length.In terms of flowering,the treatments delayed the first flowering period and shortened its duration,while increasing the proportion of flowers in the second flowering period.In conclusion,the combined application of appropriate concentrations of paclobutrazol and mepiquat chloride was found to be effective in achieving plant dwarfing,promoting branching,and regulating the flowering period.

References:

［1］芦建国,李艳.木芙蓉的观赏特性及其园林应用［J］.北方园艺,2007(12):163-164.［2］曾朝晖,方灵元.木芙蓉的栽培技术及应用价值［J］.中国园艺文摘,2010,26(2):101-102,153.［3］杨苑钊,曾心美,马娇,等.木芙蓉不同早花品种花期特征观察与分析［J］.现代农业科技,2019(17):144-145,150.［4］石小庆,张锡庆,朱章顺,等.木芙蓉新品种‘百日华彩’［J］.南京林业大学学报(自然科学版),2021,45(5):242-244.［5］蔡露,朱章顺,李梦霞,等.烯效唑对盆栽木芙蓉的调控效应研究［J］.现代园艺,2022,45(3):48-50.［6］潘瑞炽.植物生长延缓剂的生化效应［J］.植物生理学通讯,1996(3):161-168.［7］钟颖颖,廖易,陆顺教,等.矮化剂作用机制及其在观赏植物上的研究进展［J］.中国农学通报,2020,36(7):69-75.［8］李梦霞,蔡露,马娇,等.缩节胺/多效唑复合处理对盆栽木芙蓉的调控效应初探［J］.安徽农学通报,2023,29(7):65-68.［9］周运刚,王俊刚,马天文,等.不同DPC(缩节胺)处理对棉花生理生化特性的影响［J］.新疆农业科学,2010,47(6):1142-1146.［10］BEROVA M,ZLATEV Z,STOEVA N.Effect of paclobutrazol on wheat seedlings under low temperature stress［J］.Bulg.J.Plant Physiol,2002,28(1/2):75-84.［11］徐立华,杨长琴,李国锋,等.缩节胺对高品质棉成铃与品质的影响［J］.棉花学报,2006(5):294-298.［12］马柏林,刘旭,罗桂杰,等.植物生长延缓剂对盆栽萱草的矮化效应［J］.北方农业学报,2022,50(1):80-86.［13］史帅营,史田,周爽,等.盆栽牡丹补偿生长与非结构性碳水化合物积累特征［J］.西北植物学报,2023,43(10):1732-1743.［14］孟璐,马涛,岳新丽,等.植物生长延缓剂延迟黄花菜花期及对代谢产物的影响［J］.园艺学报,2025,52(4):997-1006.［15］武荣花,王利民,李振坚,等.多效唑对盆栽月季生长及开花的影响［J］.河南农业科学,2013,42(3):117-120.［16］刘靖雅,李少彩,孙海龙,等.多效唑对紫穗槐生长及生理特性的影响［J］.植物科学学报,2016,34(2):271-279.［17］COLLADO C E,HERNANDEZ R.Effects of light intensity,spectral composition,and paclobutrazol on the morphology,physiology,and growth of petunia,geranium,pansy,and dianthus ornamental transplants［J］.Journal of Plant Growth Regulation,2021,40(6):461-478.［18］BELSKY A J.Does herbivory benefit plants:A review of the evidence［J］.The American Naturalist,1986,127(6):870-892.［19］龚月桦,高俊凤.外源缩节胺对忍冬生长发育的调控［J］.植物生理学通讯,2009,45(4):367-370.［20］毛景英,闫振领.植物生长调节剂调控原理和实用技术［M］.北京:中国农业出版社,2005.［21］WASTERNACK C.Jasmonates:An update on biosynthesis,signal transduction and action in plant stress response［J］.Plant Physiology,2007,146(3):804-805.［22］李宽意,李艳敏,刘正文.叶片损害强度与基质营养水平对苦草补偿性生长的影响［J］.应用生态学报,2008,19(11):2369-2374.［23］植物生长延缓剂对蝴蝶兰开花特性的效应研究［J］.陕西农业科学,2018,64(5):53-56.

Memo

Memo:
-
Last Update: 2026-06-23