Browsing by Author "Sevik, H, Cetin, M, Guney, K, Belkayali, N"

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The effect of some indoor ornamental plants on CO2 levels during the day
(2018-01-01) Sevik H., Cetin M., Guney K., Belkayali N.; Sevik, H, Cetin, M, Guney, K, Belkayali, N
The aim of the present study is to determine the effect of yucca (Yucca elephantipes Regel), dieffenbachia (Dieffenbachia amoena Gentil), and spathiphyllum (Spathiphyllum floribundum Schott) as common types of indoor plants on CO2 levels in the environment. The study was conducted in a closed environment where air inlet/outlet was absent. As a result, the plants were found to affect the level of CO2 in the environment to different extents; and while Dieffenbachia began to respire at around 13:00 hrs, yucca and spathiphyllum continued to photosynthesize until 19:00. While dieffenbachia and spathiphyllum could not lower the CO2 level in the environment to below 500 ppm, yucca could decrease it to 475 ppm in a day. The results of the study demonstrated that CO2 levels in photosynthesis during the day were 8.3, 5.8, and 1.4 times more in yucca, spathiphyllum, and dieffenbachia, respectively, in comparison with CO2 levels released through respiration.
The influence of house plants on indoor CO2
(2017-01-01) Sevik H., Cetin M., Guney K., Belkayali N.; Sevik, H, Cetin, M, Guney, K, Belkayali, N
This study aimed at determining the effect of carbon dioxide (CO2) in the internal environment of different indoor plants. Spathiphyllum (Spathiphyllum floribundum Schott), Yucca (Yucca elephantipes Regel), Dieffenbachia (Dieffenbachia amoena Gentil), and Ficus (Ficus benjamina L.) are frequently used in studies of indoor plants that examine light temperature depending on leaf surface and the effects of CO2 in the studied environment. As a result, decreases in CO2 were at the highest level in Ficus, and Dieffenbachia at 25°C, followed by Spathiphyllum at 25°C and Yucca at 20°C. The amount of photosynthesis increased the leaf surface. For this reason, they reduced the amount of CO2 by increasing the amount of photosynthesis. The plant leaf surface was standardized, and calculations were made to meet the objective and the amount of CO2 in the local environment. Based on these calculations, it was determined that the greatest reduction of CO2 comes from the Ficus plant. In conclusion, the same layer as the surface are 1 m2 leaf surface from Ficus benjamina on 1 m3 without air vent in which the amount of CO2 in one hour could be reduced to about the level from 2,000 ppm at 25°C 480.74 ppm and 408.08 ppm at 20°C.