天津农学院学报 ›› 2019, Vol. 26 ›› Issue (4): 30-37.doi: 10.19640/j.cnki.jtau.2019.04.007

• 研究与简报 • 上一篇    下一篇

比久与缩节胺对案头菊形态指标的影响研究

郎钰洁1, 2, 王柏茗1, 聂江力1, 通信作者, 苏雅1, 裴毅1   

  1. 1. 天津农学院 园艺园林学院,天津 300384;
    2. 北京市北海公园管理处,北京 100034
  • 收稿日期:2019-07-18 发布日期:2020-01-19
  • 通讯作者: 聂江力(1972-),女,教授,博士,主要从事植物学与药用植物及植物资源学方面的研究。E-mail:njlnie@126.com。
  • 作者简介:郎钰洁(1991-),女,助理工程师,硕士,主要从事观赏植物的栽培与养护方面的研究。E-mail:595668990@qq.com。
  • 基金资助:
    天津市科技计划项目(17JCYBJC29800,16PTZSTG00020); 天津市津南区科技计划项目(201802055); 天津市滨海新区科技项目(BHXQKJXM-SF-2018-33)

Effects of growth regulators on morphological indicators of desk chrysanthemum

LANG Yu-jie1, 2, WANG Bai-ming1, NIE Jiang-li1, Corresponding Author, SU Ya1, PEI Yi1   

  1. 1. College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin 300384, China;
    2. Beijing Beihai Park Management Office, Beijing 100034, China
  • Received:2019-07-18 Published:2020-01-19

摘要: 以‘帅旗’‘沽水绿萍’‘洹水黑旋风’3个案头菊品种为材料,研究了施用不同浓度生长调节剂比久(B9)与缩节胺(DPC)对案头菊形态指标的影响,为北京北海地区案头菊栽培过程中生长调节剂的选择与用量提供技术参考。结果表明:两种生长调节剂施用浓度越高,案头菊株高降低越多。B9施用浓度越大,案头菊茎粗越小,而DPC与之相反。两种生长调节剂处理下案头菊叶长、叶宽、叶柄长均有所降低,施用浓度越大,降低越显著,对茎节数影响不显著。茎节长度与花序直径随着生长调节剂浓度的升高而降低。综合考虑各项形态指标得出,在案头菊栽培中,DPC可达到与B9相同的矮化效果,且生产出的案头菊品质较高,‘帅旗’最佳施用浓度为3 000 mg/L,‘洹水黑旋风’‘沽水绿萍’最佳施用浓度4 000 mg/L。

关键词: 案头菊, 生长调节剂, 形态指标

Abstract: With three desk chrysanthemum varieties, ‘Shuaiqi’‘Huanshuiheixuanfeng’and‘Gushuiluping’ as materials,the effects of different concentrations of growth regulators(B9 and DPC)on morphological indexes of desk chrysanthemum were studied in order to provide technical reference and practical experience for the selection and dosage of growth regulators in cultivation of desk chrysanthemum in Beihai district of Beijing. The results showed that the higher the concentration of growth regulator was, the more the height of chrysanthemum morifolium decreased. The bigger the concentration of B9 was, the smaller the stem diameter was DPC wasthe opposite. The leaf length, leaf width and petiole length of desk chrysanthemum were all reduced under the treatment of two growth regulators, and the greater the application concentration was, the more significant the reduction was B9 and DPC had no significant effect on the number of nodes of plant stem. The length of stem node and inflorescence diameter decreased with the increase of growth regulator concentration. After comprehensive consideration of various morphological indicators, it was concluded that DPC could achieve the same dwarfing effect as B9 in the cultivation of desk chrysanthemum, and the quality of the produced desk chrysanthemum was higher. The optimum application concentration for‘Shuaiqi’was II2(DPC 3 000 mg/L), and that for‘Huanshuiheixuanfeng’and‘Gushuiluping’wereⅡ3(DPC 4 000 mg/L).

Key words: desk chrysanthemum, growth regulator, morphological index

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