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http://dx.doi.org/10.9715/KILA.2013.41.6.140

Photosynthetic Characteristics of Sedum takevimense on Various Moisture Conditions in a Green Roof System  

Li, Hong (Dept. of Landscape Architecture, Graduate School, Dongguk University)
Kang, Tai-Ho (Dept. of Landscape Architecture, Dongguk University-Gyeongju)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.41, no.6, 2013 , pp. 140-146 More about this Journal
Abstract
This experiment was conducted in order to study the physiological characteristics of Sedum takevimense in different moisture conditions. The photosynthetic rate, water use efficiency and the respiratory rate were determined by using a photable photosynthesis system. According to the results, the best illumination range and moisture range were explicitly selected. The highest photosynthetic rate was at $600{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, and after this value, the trend showed a reduction. When the moisture was 11.31%, the photosynthetic capacity and water use efficiency reached maximum value, but the respiratory rate reached maximum value at 7.91%. According to the measured values, the best illumination range was $600{\sim}1,200{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ and the best moisture range was 7.09~11.31%.
Keywords
Soil Moisture Range; Photosynthetic Rate; Respiration Rate; Plant Water Use Efficiency;
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Times Cited By KSCI : 2  (Citation Analysis)
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