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园艺学报 ›› 2007, Vol. 34 ›› Issue (2): 461-464.

• 观赏植物 • 上一篇    下一篇

喷施6-BA促进德国鸢尾根茎芽的萌发

郭晋燕1,2;张金政1* ;孙国峰1;石雷1   

  1. (1中国科学院植物研究所,北京100093;2中国科学院研究生院,北京 100039)
  • 收稿日期:2006-11-20 修回日期:2007-03-05 出版日期:2007-04-25 发布日期:2007-04-25
  • 通讯作者: 张金政

Effects of 6-BA Application on Promotion of offset formation in Iris germanica

GUO Jin-yan1,2,ZHANG Jin-zheng1*, SUN Guo-feng1, and SHI Lei1   

  1. (1Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; 2Graduate School of Chinese Academy of Sciences, Beijing 100039, China)
  • Received:2006-11-20 Revised:2007-03-05 Online:2007-04-25 Published:2007-04-25
  • Contact: ZHANG Jin-zheng

摘要:

用3 000 mg/L 或5 000 mg/L 的6-BA 对德国鸢尾(Iris germanica)‘lovely again’进行单次喷施,可以促进根茎芽的萌发和根状茎的形成。在喷施后的30~90 d,6-BA的促进作用在具有2个或4个起始根状茎的植株上表现得很显著,但对于只有1个起始根状茎的植株不显著。在喷施后的150 d以及第2年,具有2个或4个起始根状茎的母株总体上比只具有1个起始根状茎的母株产生了更多的根状茎。而6-BA的喷施对母株的叶面积和叶片数、总叶面积以及总叶片数没有影响。

关键词: 鸢尾, 德国鸢尾, 6-BA, 繁殖

Abstract: A single foliar application of 6-BA at 3000 or 5000 mg/L stimulated axillary and rhizomic budbreak and rhizome formation in Iris germanica 'Lovely again'. The effect of BA application was more significant on plants with two or four initial rhizomes but not on those with one initial rhizome at 30 d(days after treatment), 60 d and 90 d. Stock plants with two or four initial rhizomes generally formed more rhizomes than stock plants with one initial thizome at 150 d and the next year. However, leaf area and changes in leaf number of stock plants, total leaf area and changes in total leaf number were not affected by 6-BA application.

Key words: Iris, Iris germanica, Benzyladenine, Propagation

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