Responses of citrus plants to ozone: leaf biochemistry, antioxidant mechanisms and lipid peroxidation

被引：48
|
作者：
Iglesias, Domingo J.
Calatayud, Angeles
Barreno, Eva
Primo-Millo, Eduardo
Talon, Manuel
机构：
[1] Inst Valenciano Invest Agr, Dept Citricultura & Otros Frutales, E-46113 Moncada, Valencia, Spain
[2] Univ Valencia, Fac Ciencias Biol, Dpto Biol Vegetal, E-46100 Burjassot, Valencia, Spain
来源：
PLANT PHYSIOLOGY AND BIOCHEMISTRY | 2006年 / 44卷 / 2-3期
关键词：
ACC; ascorbate; carbohydrate; carotenoids; chlorophylls; ethylene; solute leakage;
D O I：
10.1016/j.plaphy.2006.03.007
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The effects of ozone upon 3-year-old trees of Clementina mandarin (Citrus clementina Hort. ex Tan.) cv. Marisol exposed for 12 months to ambient (10 nl l(-1)) and high (30 and 65 nl l(-1)) concentrations in open top chambers (OTCs) were investigated. The data showed that in leaves, ozone reduced total chlorophylls, carotenoid and carbohydrate concentration. and increased 1-aminocyclopropane-1-carboxylic acid (ACC) content and ethylene production. In treated plants, the ascorbate leaf pool was decreased, while lipid peroxidation and Solute leakaGe were significantly higher than in ozone-free controls. The data indicated that ozone triggered protective mechanisms against oxidative stress in citrus. (c) 2006 Elsevier SAS. All rights reserved.
引用
收藏
页码：125 / 131
页数：7
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