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- Title
Morpho-Physiological Responses of Arabidopsis thaliana L. to the LED-Sourced CoeLux ® System.
- Authors
Beatrice, Peter; Terzaghi, Mattia; Chiatante, Donato; Scippa, Gabriella Stefania; Montagnoli, Antonio
- Abstract
The CoeLux® lighting system reproduces the true effect of natural sunlight entering through an opening in the ceiling, with a realistic sun perceived at an infinite distance surrounded by a clear blue sky. It has already been demonstrated that this new lighting system generates long-term positive effects on human beings; however, there are no investigations so far concerning the plant responses to CoeLux® lighting. To fill this gap, the model plant Arabidopsis thaliana L. was grown at four different distances from the light source, corresponding to four different light intensities (120, 70, 30, 20 μmol m−2 s−1). High-pressure sodium lamps were used as control light. Plant phenology and morpho-physiological traits were monitored to assess for the first time the ability of plants to grow and develop under the light spectrum and intensity of the CoeLux® system. Plants grown at the lower light intensities showed a delayed life cycle and were significantly smaller than plants grown with more light. Furthermore, plants grown under the CoeLux® light type showed an additional deficit when compared to control plants. Overall, our results show that both the light spectrum and intensity of the CoeLux® system had a strong impact on A. thaliana growth performance.
- Subjects
PLANT phenology; LIGHT intensity; ARABIDOPSIS thaliana; LIGHT sources; SPECIAL effects in lighting; HUMAN beings
- Publication
Plants (2223-7747), 2021, Vol 10, Issue 7, p1310
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants10071310