莲藕膨大过程中内源激素、水杨酸和多胺含量的变化

园艺学报 ›› 2006, Vol. 33 ›› Issue (5): 1106-1108.

莲藕膨大过程中内源激素、水杨酸和多胺含量的变化

李良俊;潘恩超;许超;叶枝荣;曹碚生

(扬州大学水生蔬菜研究室, 江苏扬州225009)

收稿日期:2005-11-21 修回日期:2006-03-15 出版日期:2006-10-25 发布日期:2006-10-25

Changes of Endogenous Hormones, Polyam ines and Salicylic Acid Contentduring Rhizome Development of Nelum bonucifera Gaertn

Li Liangjun;Pan Enchao;Xu Chao;Ye Zhirong;Cao Beisheng

(Laboratory of Aquatic Vegetable, Yangzhou University, Yangzhou, Jiangsu 225009, China)

Received:2005-11-21 Revised:2006-03-15 Online:2006-10-25 Published:2006-10-25

摘要/Abstract

摘要： 采用高效液相色谱(HPLC) 法, 对3个莲藕主栽品种根状茎膨大过程中内源激素、水杨酸(SA) 和多胺含量进行了分析。结果表明: 玉米素( ZT) 在1节期及3节期的第1节段含量最高; GA₃ 含量在1节期即快速上升, IAA和SA则在2节期后才快速升高, GA₃、IAA和SA在3节期均达最大值; 膨大过程中3品种IAA和SA含量均呈极显著正相关; ABA含量在3节期的第1节段最高, 第2节段最低; 成熟期大幅升高。精胺( Spm) 和腐胺( Put) 在膨大过程中含量高, 尸胺(Cad) 和亚精胺( Spd) 含量较低。

关键词: 莲藕, 植物内源激素, 水杨酸, 多胺, 根状茎膨大

Abstract: By high performance liquid chromatography, the changes of endogenous hormones, polyamines, and salicylic acid ( SA) content in 3 lotus cultivar sprhizome were studied. The results showed that the peak of zeatin content appeared at 1 internode stage and first internode of 3 internode stage rhizome. GA₃, IAA and SA content increased quickly from 1 and 2 internode stage, respectively; and all reached the highest at 3 internode stage; further more, IAA contentwas significantly correlated with SA at 0.01 level during rhizome development. ABA content in first internode was higher than that in second and third internode of 3 internode stage rhizome, and it increased fast in end stage of rhizome development. Spermine ( Spm) and putrescine ( Put) content were significantly higher than cadavarine (Cad) and spermidine ( Spd) during rhizome development.

Key words: Nelumbo nucifera Gaertn, Endogenous hormone, Salicylic acid, Polyamine, Rhizome development

李良俊;潘恩超;许超;叶枝荣;曹碚生. 莲藕膨大过程中内源激素、水杨酸和多胺含量的变化[J]. 园艺学报, 2006, 33(5): 1106-1108.

Li Liangjun;Pan Enchao;Xu Chao;Ye Zhirong;Cao Beisheng. Changes of Endogenous Hormones, Polyam ines and Salicylic Acid Contentduring Rhizome Development of Nelum bonucifera Gaertn[J]. ACTA HORTICULTURAE SINICA, 2006, 33(5): 1106-1108.

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