Water stress, ammonium, and leaf senescence in detached rice leaves

被引：24

作者：

Lin, JN ^{[1
]}

Kao, CH ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Agron, Taipei 10764, Taiwan

来源：

PLANT GROWTH REGULATION | 1998年 / 25卷 / 03期

关键词：

ammonium; leaf senescence; Oryza sativa; water stress;

D O I：

10.1023/A:1006014618721

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Ammonium accumulation in relation to water stress-promoted senescence of detached rice leaves was investigated. The effect of water stress on the senescence of detached rice leaves is associated with the accumulation of ammonium. The accumulation of ammonium in detached rice leaves by water stress is attributed to a decrease in glutamine synthetase activity. Ammonium accumulation in detached rice leaves, induced by water stress, was accompanied by an increase in tissue sensitivity to ethylene which, in turn, accelerated leaf senescence.

引用

页码：165 / 169

页数：5

共 24 条

[1] RAPID DETERMINATION OF FREE PROLINE FOR WATER-STRESS STUDIES [J].