Changes of endogenous hormones in lateral buds of chrysanthemum during their outgrowth

被引：0

作者：

B. Jiang

S. Chen

J. Jiang

S. Zhang

F. Chen

W. Fang

机构：

[1] Nanjing Agricultural University,Key laboratory of Flower Breeding and Genetics, College of Horticulture

[2] Sichuan Agricultural University,College of Landscape Architecture

[3] Liaoning Agricultural College,undefined

来源：

Russian Journal of Plant Physiology | 2012年 / 59卷

关键词：

lateral bud; IAA; iP/iPA; ABA;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The character of branching for two chrysanthemum (Chrysanthemum × morifolium) cvs. Jinghai and Jingyun was observed, and the changes of endogenous hormones in apical and lateral buds were investigated to determine the relationship between the pattern of hormone distribution, apical dominance, and lateral bud outgrowth. The growth rate of Jinghai lateral buds was higher than that of Jingyun. In vegetative growth stage, IAA level in apical buds of Jingyun was significantly higher than in Jinghai. After flower induction, IAA level in apical buds of two cultivars decreased remarkably, but the IAA level decreased in Jingyun faster than in Jinghai. These results showed that the higher was the IAA level in apical buds the stronger was inhibition of lateral bud outgrowth. An increase in IAA and iP/iPA and a decrease in ABA concentrations were closely associated with lateral bud growth alterations in chrysanthemum.

引用

页码：356 / 363

页数：7

共 29 条

[1] Changes of endogenous hormones in lateral buds of chrysanthemum during their outgrowth
Jiang, B.
Chen, S.
Jiang, J.
Zhang, S.
Chen, F.
Fang, W.
RUSSIAN JOURNAL OF PLANT PHYSIOLOGY, 2012, 59 (03) : 356 - 363
[2] Changes of endogenous hormones in fruit of grapevine during berry developing period
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[9] Germination and In Vitro Growth of Petunia Male Gametophyte Are Affected by Exogenous Hormones and Involve the Changes in the Endogenous Hormone Level
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[10] Germination and in vitro growth of petunia male gametophyte are affected by exogenous hormones and involve the changes in the endogenous hormone level
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