[1]蒋宇璇,崔洋,夏婷,等.赤霉素处理对‘福寿’报春苣苔生长开花的影响[J].黑龙江农业科学,2024,(12):47-53.
　JIANG Yuxuan,CUI Yang,XIA Ting,et al.Effects of Gibberellin Treatment on Growth and Flowering of Primulina[J].HEILONGJIANG AGRICULTURAL SCIENCES,2024,(12):47-53.
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赤霉素处理对‘福寿’报春苣苔生长开花的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2024年12 页码: 47-53 栏目: 出版日期: 2024-12-10
Title:
Effects of Gibberellin Treatment on Growth and Flowering of Primulina
作者:
蒋宇璇1; 崔洋1;  夏婷1; 邵严2;  罗乐1; 3
（1.北京林业大学 园林学院/花卉种质创新与分子育种北京市重点实验室/国家花卉工程技术研究中心/教育部园林环境工程研究中心/林木花卉遗传育种教育部重点实验室/林木资源高效生产全国重点实验室，北京 100083；2.河北雾灵山国家级自然保护区管理中心，河北 承德 067399； 3.城乡生态环境北京实验室，北京 100083）
Author(s):
JIANG Yuxuan1;  CUI Yang1;  XIA Ting1;  SHAO Yan2;  LUO Le1; 3
关键词:
赤霉素; 报春苣苔; 花期调控; 株型控制
Keywords:
gibberellin; Primulina;  flowering regulation;  plant type control
文献标志码:
A
摘要:
为促进化控技术在报春苣苔属植物商品化生产中的株型控制、花期调控，以‘福寿’报春苣苔为研究对象，采用田间试验方法，喷施浓度为90，60和30 mg·L-1的赤霉素溶液，探明不同浓度的赤霉素对‘福寿’报春苣苔生长及开花的影响。结果表明，喷施赤霉素能影响‘福寿’报春苣苔的生长及开花特性。喷施浓度为30 mg·L-1的赤霉素溶液处理组报春苣苔花期提前2 d，花期持续时间延长9 d，且所有处理组的单株花量都显著增加；喷施浓度为60 mg·L-1的赤霉素溶液处理花序级数显著增加；喷施浓度为30和 60 mg·L-1的赤霉素溶液处理组花葶均显著变高；所有处理组的株高、叶片长、叶柄长均较对照组显著变高；喷施实验选取的浓度范围的赤霉素溶液对小花最大花径、单花花期、花葶数量、叶片宽及植株冠幅的影响不显著。赤霉素处理能使‘福寿’报春苣苔提前开花，花量增大且花期延长，其中以30 mg·L-1处理效果最好，同时能够使报春苣苔植株叶片和叶柄变长，植株花葶和株高变高。
Abstract:
In order to investigate the effects of gibberellin (GA3) at different concentrations on the growth and flowering of Primulina ‘Fushou’, and to provide a reference for the application of chemical control technology in the commercial production of Primulina plants for plant type control and flowering regulation. The study took Primulina ‘Fushou’ as the research object and used field experimental methods to investigate the effects of spraying gibberellin solutions at concentrations of 90, 60, 30, and 0 mg·L-1 on its growth and flowering characteristics. The results showed that spraying gibberellin GA3 could affect the growth and flowering characteristics of Primulina ‘Fushou’. Spraying a gibberellin solution at a concentration of 30 mg·L-1 advanced the flowering period by 2 days and extended the flowering duration by 9 days. The number of flowers per plant increased significantly in all treatment groups. Spraying a gibberellin solution at a concentration of 60 mg·L-1 significantly increased the number of inflorescences. Spraying gibberellin solutions at concentrations of 30 and 60 mg·L-1 significantly increased the height of the floral peduncle. The plant height of all treatment groups was significantly higher than that of the control group, and the leaf length and petiole length were significantly longer. Spraying gibberellin solutions within the selected concentration range had no significant effect on the maximum flower diameter, single flower duration, number of floral peduncles, leaf width, and plant crown width. In conclusion, gibberellin treatment can advance the flowering of Primulina ‘Fushou’, increase the number of flowers, and extend the flowering period. The treatment with 30 mg·L-1 gibberellin had the best effect. At the same time, the plant leaves and petioles became longer, and the floral peduncle and plant height increased.

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备注/Memo

收稿日期：2024-04-24

基金项目：中央高校基本科研业务费专项资金(QNTD202306)；北京高校高精尖学科建设项目（城乡人居生态环境学)；横向课题企事业单位委托科技项目（2020HXFWYL20）；国家重点研发计划项目(2022YFF1301704)。
第一作者：蒋宇璇（1999－），女，硕士研究生，从事园林植物研究。E-mail: 1730632024@qq.com。通信作者：罗乐（1983－），男，博士，教授，从事花卉种质资源调查与评价研究。E-mail: luolebjfu@163.com。

更新日期/Last Update: 2024-12-11