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

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (5): 1106-1108.

• 研究报告 • Previous Articles Next Articles

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

Abstract

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

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

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