N - 月桂酰乙醇胺对香石竹切花瓶插效应的影响

园艺学报 ›› 2006, Vol. 33 ›› Issue (2): 422-425.

N - 月桂酰乙醇胺对香石竹切花瓶插效应的影响

张　云^{1, 2};郭维明^3*;韩　亮⁴;李正名⁴

(¹南京农业大学生命科学学院, 南京210095; ²福建教育学院生化系, 福州350001; ³南京农业大学园艺学院, 南京 210095; ⁴南开大学元素有机化学研究所, 元素有机化学国家重点实验室, 天津300071)

收稿日期:2005-07-01 修回日期:2005-12-05 出版日期:2006-04-25 发布日期:2006-04-25

Effects of N-lauroylethanolamine Treatments on Vase-life and Membrane Permeability of Cut Carnation‘Red Barbara’Flowers

Zhang Yun^{1, 2};GuoWeiming^3*;Han Liang⁴;Li Zhengming⁴

(¹ College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; ²Department of Biochemistry, Fujian Institute of Education, Fuzhou 350001, China; ³College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China;⁴ National Key Laboratory of Elem ento-organic Chemistry, Research Institute of Elemento-organic Chemistry, Naikai University, Tianjin 300071, China)

Received:2005-07-01 Revised:2005-12-05 Online:2006-04-25 Published:2006-04-25

摘要/Abstract

摘要： 研究N - 月桂酰乙醇胺〔NAE (12∶0) 〕对香石竹切花‘Red Barbara’瓶插效应的影响。结果表明, 5 μmol/L NAE (12∶0) 处理使‘Red Barbara’切花瓶插寿命延长了2 d ( P < 0.05, n = 30) , 其有效作用是显著延长了开放期的持续时间, 但对开放前期及初萎后的发育衰老进程影响不大。NAE (12∶0)处理还显著降低了该切花开放期花瓣离子渗漏率的上升幅度, 延缓丙二醛积累速率。讨论了NAE (12∶0) 处理的效应, 其作为信号脂质可降低开放期花瓣的膜脂过氧化作用, 保护膜系统的完整性。

关键词: 香石竹, N - 月桂酰乙醇胺, 瓶插寿命, 膜透性, 丙二醛

Abstract: It was studied the effect of N-lauroylethanolamine on the vase life and relative postharvest physiology indexes of cut carnation‘Red Barbara’flower. The results showed that (1) N-lauroylethanolamine supplied in vase solution at 5 μmol/L could delay the senescence of‘Red Barbara’, and the vase-life could
be prolonged for 2 more days than of the control ( P < 0.05, n = 30) ; (2) Treatment by the N-lauroylethanolamine, the cut flowers could maintain longer opening period, but have no effect on the stage of pre-opening and the stage of beginning ofwilting; (3) Exogenous treatments by N-lauroylethanolamine could decrease the level of leakage of membrane and the rate of alondialdehyde accumulation during development and senescence of petals of the cut carnations. It was discussed that the N-lauroylethanolamine induced delaying senescence of cut carnantion flowers involves in the decrease of lipid peroxidation level, thus preserving the integrity of membranes as a kind of signal lipids.

Key words: Cut carnation‘Red Barbara’flower, N-lauroylethanolamine, Vase-life, Membrane permeability, Malondialdehyde

张　云;;郭维明;韩　亮;李正名. N - 月桂酰乙醇胺对香石竹切花瓶插效应的影响[J]. 园艺学报, 2006, 33(2): 422-425.

Zhang Yun;;GuoWeiming;Han Liang;Li Zhengming. Effects of N-lauroylethanolamine Treatments on Vase-life and Membrane Permeability of Cut Carnation‘Red Barbara’Flowers[J]. ACTA HORTICULTURAE SINICA, 2006, 33(2): 422-425.

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