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 ›› 2003, Vol. 30 ›› Issue (03): 291-295.

• 研究论文 • 上一篇    下一篇

抑制脂氧合酶对马铃薯试管块茎形成及膨大的影响

马崇坚1;柳俊2;谢从华1   

  1. ( 1华中农业大学园艺林学学院,武汉430070; 2华中农业大学生命科学技术学院,武汉430070)
  • 收稿日期:2002-08-16 修回日期:2003-01-23 出版日期:2003-06-25 发布日期:2003-06-25

The Effects of Inhibiting Lipoxygenase on Microtuber Formation and Growth ofSolanum tuberosum L. in Vitro

Ma Chongjian1; Liu Jun2; Xie Conghua1   

  1. (1College of Horticulture and Forestry Huazhong Agricultural University,Wuhan 430070,China; 2College of Life Science and Technology,Huazhong Agricultural University,Wuhan 430070,China)
  • Received:2002-08-16 Revised:2003-01-23 Online:2003-06-25 Published:2003-06-25

摘要: 采用LOX活性抑制剂对马铃薯试管苗进行处理,探讨LOX对块茎发生的影响。结果显示,经
抑制剂处理的试管苗,其植株及块茎内的LOX活性以及内源JA含量明显下降,同时块茎形成株率、单株块茎形成数及平均块茎质量等皆明显降低。试验分析显示,匍匐茎中的LOX活性及内源JA含量最高,证明LOX在马铃薯块茎形成及膨大中起着重要作用,其作用途径可能是通过影响JA的生物合成来对块茎的发生及生长进行调控。

关键词: 马铃薯, 试管块茎形成, 脂氧合酶, 茉莉酸

Abstract: The single node segments of planflets of potato cultivars ‘Mim’ and ‘E-potato-1’ were cultured with salicylhydroxamic acid,the inhibitor of LOX,to identify the effects of LOX on tuberizafion in vitro. The resuits showed that activity of LOX in both the planflets and tubers as well as the concentration of jasmonic acid (JA)
were decreased markedly in the treatments with inhibitor, accompanying by the declines of percentage of tuber formation by planflets, the number of tubers per plantlet and nlean tuber nlass.The activity of LOX in stolons was the highest. It indicated that LOX plays important roles in tuberization and tuber bulking of potatoes, possiblely through the regulation of JA biosynthesis.

Key words: Potato, Microtuberization, Lipoxygenase, Jasmonic acid

中图分类号: