Effect of artificial acid rain and SO2 on characteristics of delayed light emission

The structure and function of chloroplast in plant leaves can be affected by acid rain and air pollution. The photosystem II in a plant is considered the primary site where light‐induced delayed light emission (DLE) is produced. With the lamina of zijinghua (Bauhinia variegata L.) and soybean (Glyci...

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Bibliographic Details
Published in:Luminescence (Chichester, England) England), 2005-01, Vol.20 (1), p.51-56
Main Authors: Wang, Chenglong, Xing, Da, Zeng, Lizhang, Ding, Chunfeng, Chen, Qun
Format: Article
Language:English
Subjects:
Acid Rain
artificial acid rain
Bauhinia - drug effects
chloroplast
Chloroplasts - drug effects
delayed light emission
environmental stress
Hydrogen Peroxide - chemistry
Hydrogen-Ion Concentration
Luminescent Measurements
Plant Leaves - drug effects
SO2
Sulfur Dioxide - chemistry
Sulfur Dioxide - pharmacology
Time Factors
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Summary:The structure and function of chloroplast in plant leaves can be affected by acid rain and air pollution. The photosystem II in a plant is considered the primary site where light‐induced delayed light emission (DLE) is produced. With the lamina of zijinghua (Bauhinia variegata L.) and soybean (Glycine max (L.) Merr.) as testing models, we studied the effects of artificial acid rain and SO2 on characteristics of DLE by using a home‐made weak luminescence detection system. The results show that the changes in DLE intensity of green plants can reflect the changes in chloroplast intactness and function. With proper calibration, DLE may provide an alternative means of evaluating environmental acid stress on plants. The changes in DLE intensity may provide a new approach for the detection of environmental pollution and its impact on the ecosystem. Copyright © 2005 John Wiley & Sons, Ltd.
ISSN:1522-7235
1522-7243
DOI:10.1002/bio.806