https://www.ahs.ac.cn/images/0513-353X/images/top-banner1.jpg|#|苹果
https://www.ahs.ac.cn/images/0513-353X/images/top-banner2.jpg|#|甘蓝
https://www.ahs.ac.cn/images/0513-353X/images/top-banner3.jpg|#|菊花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner4.jpg|#|灵芝
https://www.ahs.ac.cn/images/0513-353X/images/top-banner5.jpg|#|桃
https://www.ahs.ac.cn/images/0513-353X/images/top-banner6.jpg|#|黄瓜
https://www.ahs.ac.cn/images/0513-353X/images/top-banner7.jpg|#|蝴蝶兰
https://www.ahs.ac.cn/images/0513-353X/images/top-banner8.jpg|#|樱桃
https://www.ahs.ac.cn/images/0513-353X/images/top-banner9.jpg|#|观赏荷花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner10.jpg|#|菊花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner11.jpg|#|月季
https://www.ahs.ac.cn/images/0513-353X/images/top-banner12.jpg|#|菊花

园艺学报 ›› 2011, Vol. 38 ›› Issue (8): 1565-1571.

• 研究报告 • 上一篇    下一篇

植物生长调节剂对西洋杜鹃花期及内源激素的影响

吴月燕1,*,李 波1,2,朱 平3,胡华勇1   

  1. 1浙江万里学院生物与环境学院,浙江宁波 315100;2浙江大学农业与生物技术学院,杭州 310029;3北仑万景山园林绿化工程有限公司,浙江宁波 315100
  • 收稿日期:2011-01-17 修回日期:2011-05-18 出版日期:2011-08-25 发布日期:2011-08-25
  • 通讯作者: 吴月燕1,*

Effects of Plant Growth Regulator on Flowering and Endogenous Hormones of Rhododendron hybridum

WU Yue-yan1,*,LI Bo1,2,ZHU Ping3,and HU Hua-yong1   

  1. 1College of Biology and Environment,Zhejiang Wanli University,Ningbo,Zhejiang 315100,China;2College of Agriculture and Biotechnology,Zhejiang University,Hangzhou 310029,China;3Beilun Wanjingshan Gardening Limited Company,Ningbo,Zhejiang 315100,China
  • Received:2011-01-17 Revised:2011-05-18 Online:2011-08-25 Published:2011-08-25
  • Contact: WU Yue-yan1,*

摘要: 以西洋杜鹃(Rhododendron hybridum)为试材,用不同浓度的植物生长调节剂赤霉素(GA3)、多效唑(PP333)和比久(B9)进行整株喷洒处理,观察其花芽形态变化,测定花芽内玉米素(ZT)、赤霉素(GA3)、吲哚乙酸(IAA)和脱落酸(ABA)的含量。结果表明:外源GA3对花期有显著的提前作用;PP333和B9对花期有明显的延迟作用,且B9处理后开花整齐。外源GA3处理使内源GA3含量提高,而IAA与ABA含量减少,ZT含量先上升后下降;B9和PP333处理均能使内源GA3、ZT和IAA含量下降,而使ABA含量升高。花芽形态分化期内源激素ZT和GA3含量较高而ABA含量较低时对成花有促进作用。

关键词: 西洋杜鹃, 生长调节剂, 花期调控, 内源激素

Abstract: Rhododendron hybridum was chosen as subjects and treated by different concentration of gibberellin(GA3),paclobutrazol(PP333),and dami-nozide(B9). Their flower buds formation was observed and the concentration of endogenous hormones,i. e. zeatin(ZT),gibberellin(GA3),3-indole acetic acid(IAA)and abscisic acid(ABA)in the buds were detected. Experiment results showed that GA3 had a significant promotion of the plant’s florescence,while PP333 and B9 delayed the florescence and B9 increased its tidiness substantially. External GA3 treatment stimulated the endogenous GA3,reduced the concentration of IAA and ABA,and increased ZT concentration followed by a decrease of ZT. Both B9 and PP333 could reduce the concentration of GA3,ZT and IAA while increase ABA concentration. The results indicated that the flowering period can be promoted by high concentration of ZT and GA3 and low concentration of ABA during flower bud shape differentiation.

Key words: Rhododendron hybridum, plant growth regulator, flowering time regulator, endogenous hormone

中图分类号: