LUO Xinwu,YIN Tinghui,ZHENG Weiguo,et al.Effects of Different Water Control Methods on Flowering of Bougainvillea glabra[J].Northern Horticulture,2022,(09):67-73.[doi:10.11937/bfyy.20214194]
不同控水方式对簕杜鹃开花的影响
- Title:
- Effects of Different Water Control Methods on Flowering of Bougainvillea glabra
- Keywords:
- Bougainvillea glabra; soil moisture control; endogenous hormone; control of flowering period
- 文献标志码:
- A
- 摘要:
- 以一年半生“水红”簕杜鹃（Bougainvillea glabra ‘Rosa’）盆栽苗为试材，采用间隔控水和持续控水的方法，研究了不同控水方式对“水红”簕杜鹃花期、花量、叶片可溶性糖及植物内源激素的影响，以期量化和形成系统性的“水红”簕杜鹃控水技术并为调控其花期提供参考依据。结果表明：不同控水处理的“水红”簕杜鹃花期和正常浇水的CK较一致；持续控水处理的花量显著低于间隔控水处理和CK；GA3、ABA、IAA多呈现下降-上升-下降的趋势，变化节点也较一致，仅间隔控水处理的IAA呈现逐渐下降的趋势；ABA/GA3比值呈下降-上升-下降的趋势，ABA/IAA比值呈逐步上升的趋势；可溶性糖含量均呈现逐渐下降的趋势。表明“水红”簕杜鹃采用间隔控水能有效增加成花数量，提高开花质量，提升观赏价值。
- Abstract:
- Potted seedlings of Bougainvillea glabra ‘Rosa’ which has been planted 1.5 years were used as test materials,interval water control and continuous water control were used,effects of different water control methods on flowering period,flowers,leaf soluble sugar and plant endogenous hormones of Bougainvillea glabra ‘Rosa’ were studied,in order to quantify and form a systematic water-control technology of Bougainvillea glabra ‘Rosa’,and provide data support and technical reference for regulating its flowering period.The results showed that the flowering period of the different water control treatments were consistent with CK.The flowers of continuous water control treatment was significantly lower than the interval water control treatment and CK；GA3,ABA and IAA mostly showed a downward-rising-falling trend,the change nodes were also more consistent,the IAA of interval water control treatment showed a gradual downward trend；the ABA/GA3 ratio showed a decreasing-increasing-decreasing trend,and the ABA/IAA ratio showed a gradual upward trend;the soluble sugar content showed a gradual downward trend.The study showed that using interval water control in Bougainvillea glabra ‘Rosa’ could effectively increase flowers,improve the quality of flowering and enhance the ornamental value.
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备注/Memo
第一作者简介：罗炘武（1989-），男，硕士，工程师，现主要从事生态恢复等研究工作。E-mail：wy521lxw@163.com.责任作者：宫彦章（1982-），男，硕士，高级工程师，现主要从事海绵城市与生态修复等研究工作。E-mail：gongyanzhang@wkyy.com.基金项目：深圳市城市管理和综合执法局科研资助项目（202016）。收稿日期：2021-10-14