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园艺学报 ›› 2009, Vol. 36 ›› Issue (7): 1037-1042.

• 研究简报 • 上一篇    下一篇

脱落酸在桃果实成熟过程中的作用

曹永庆1;冷 平1*;潘 烜2;严志刚2;任杰1   

  1. 1中国农业大学农学与生物技术学院,北京 100193;2北京二商福岛机电有限公司,北京 101407)
  • 收稿日期:2009-03-03 修回日期:2009-04-20 出版日期:2009-07-25 发布日期:2009-07-25
  • 通讯作者: 冷 平

Role of Abscisic Acid in Fruit Ripening of Peach

CAO Yong-qing1,LENG Ping1*,PAN Xuan2,YAN Zhi-gang2,and REN Jie1   

  1. (1College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193,China;2Beijing ER Shang-fukushima Machinery Electric Co., LTD, Beijing 101407,China )
  • Received:2009-03-03 Revised:2009-04-20 Online:2009-07-25 Published:2009-07-25
  • Contact: LENG Ping

摘要: 以白凤桃为试材,分析研究了桃果实生长发育过程中脱落酸(ABA)的变化以及外源ABA和氟啶酮(Fluridone)处理对果实发育后期离体果实后熟衰老进程的影响,探讨了ABA与桃果实成熟的关系。结果表明:桃果实生长发育后期果实内源ABA的积累构成了果实成熟的启动信号,而ABA高峰的出现启动了果实的后熟衰老进程;外源ABA处理促进了采后果实的后熟衰老进程,而Fluridone处理抑制了果实内源ABA的生物合成和乙烯产生,延缓了桃果实的后熟软化;乙烯则可能作为ABA的一种辅助因子影响果实的后熟衰老进程。

关键词: 桃, 脱落酸, 乙烯, 成熟

Abstract: Changes of endogenous ABA content during fruit development as well as the effect of exogenous ABA and Fluridone treatment on ripening of detached peach (Prunus persica L.‘Hakuho’) fruit in the late development period were studied in order to discuss relationship between ABA and fruit ripening of peach. Accumulation of endogenous ABA during late period of peach development triggered peach fruit ripening, and the peak of endogenous ABA content initiated the fruit ripening process. The treatment of exogenous ABA promoted ripening and senescence process of detached peach fruits, and Fluridone treatment inhibited biosynthesis of endogenous ABA and ethylene production and delayed fruit softening. Ethylene maybe acted as an auxiliary factor to influence fruit ripening and senescence process.

Key words: Prunus persica L. Batsch, abscisic acid, ethylene, ripening

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