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

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URI
http://hdl.handle.net/20.500.11939/5370
DOI
10.1016/j.plaphy.2006.03.007
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openAccess
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Author
Iglesias, Domingo J.; Calatayud, Ángeles; Barreno, Eva; Primo-Millo, Eduardo; Talón, Manuel
Date
2006
Cita bibliográfica
Iglesias, D.J., Calatayud, Angeles, Barreno, Eva, Primo-Millo, E., Talon, M. (2006). Responses of citrus plants to ozone: leaf biochemistry, antioxidant mechanisms and lipid peroxidation. Plant Physiology and Biochemistry, 44(2-3), 125-131.
Abstract
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.
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