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Environment in Apartment Verandas at Three Floors, and Change in Growth of Selected Ornamental Plants under Simulated Light Intensities  

Son, Moon-Sook (Dept. of Horticulture, Div. of Applied Life Sci. (BK21 Program), Graduate School, Gyeongsang National Univ.)
Song, Ju-Yeon (Dept. of Horticulture, Div. of Applied Life Sci. (BK21 Program), Graduate School, Gyeongsang National Univ.)
Jeong, Byoung-Ryong (Dept. of Horticulture, Div. of Applied Life Sci. (BK21 Program), Graduate School, Gyeongsang National Univ.)
Publication Information
Journal of agriculture & life science / v.45, no.3, 2011 , pp. 43-51 More about this Journal
Abstract
This project was conducted to measure actual temperature, relative humidity (RH), and light intensity at different apartment floors and to suggest suitable indoor plants by investigating morphological changes of Treophelosparmum asiatioum and Fittonia verchaffeltii var. argyroneura as affected by light intensity. Temperature and RH in apartment verandas were measured in three different (2nd, 9th, and 16th) floors on three different buildings for 30 days seasonally. The light intensity, temperature, and RH were recorded outside (parking area) and inside apartment verandas for 24 hours on a selected sunny summer day (between Aug. 19 and Sept. 14, 2008). Based on the first study, we investigated effect of simulated light intensity (40, 70, 100, and $600{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$) on changes in growth and development of T. asiatioum and F. verchaffeltii var. argyroneurain growth chambers. However, daily mean light intensity of 2nd, 9th, and 16th floors was different each other as it was about 40, 70, and $100{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, respectively. In the growth chamber experiment, plant height, internode length, and leaf length and width were not affected significantly by light intensity, but changes in leaf color were apparent in the new leaves with the increasing light intensity. The results suggest that T. asiatioum could be best fit to high, and F. verchaffeltii var. argyroneura to lower floor verandas, considering their aesthetic values.
Keywords
Fittonia verchaffeltii var. argyroneura; Light intensity; Relative humidity; Temperature; Treophelosparmum asiatioum;
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