Abrupt Increase in the Level of Hydrogen Peroxide in Leaves of Winter Wheat Is Caused by Cold Treatment

After cold treatment of seedlings of winter wheat (Triticum aestivum L.), levels of hydrogen peroxide in the leaves were measured. The concentration of hydrogen peroxide increased to about three times the control level within a few minutes, and returned to the normal level in 15 to 20 minutes. The e...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1991-11, Vol.97 (3), p.1265-1267
Main Authors: OKUDA, T, MATSUDA, Y, YAMANAKA, A, SAGISAKA, S
Format: Article
Language:English
Subjects:
Acclimatization
Agronomy. Soil science and plant productions
Biological and medical sciences
Communications
Enzymes
Fundamental and applied biological sciences. Psychology
Hydrogen
Leaves
Oxygen
Peroxides
Physical agents
Plant cells
Plant physiology and development
Plants
Seedlings
Spinach
Vegetative apparatus, growth and morphogenesis. Senescence
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Summary:After cold treatment of seedlings of winter wheat (Triticum aestivum L.), levels of hydrogen peroxide in the leaves were measured. The concentration of hydrogen peroxide increased to about three times the control level within a few minutes, and returned to the normal level in 15 to 20 minutes. The elevated level of hydrogen peroxide was found to be equivalent to 1.5 micromoles per gram fresh weight tissues of leaves.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.97.3.1265