Evaluation of the Influence of the Chlorophyll Fluorescence of Plant after Fumigated with Ozone Gas

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Abstract:

This study utilized a custom-made fumigation chamber to evaluate the chlorophyll fluorescence of 7 species sidewalk trees with 60 ppb O3 for 10 days. The results showed that during the fumigation period, the plants showed a noticeable variation. At the first 6 days fumigation, the chlorophyll fluorescence of all tested trees showed a stable status with the values over 0.75. As of the 7th days fumigation, the chlorophyll fluorescence of tested trees was lower than 0.75 except Cerbera manghas and Nageia nagi. After 9 days fumigation, the chlorophyll fluorescence values for all tested trees are significantly lower than before. Among all tested trees, the chlorophyll fluorescence of Palaquium formosanum had the most variant than before fumigation experiment, the next was Tournefortia argentea, than the Cerbera manghas, Terminalia catappa, Aglaia formosana, Millettia pinnata and Nageia nagi in series.

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1050-1053

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October 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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