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Growth, flowering and morphological responses of petunia, a photosensitive plant, to light conditions in a greenhouse modified by dye-sensitized solar cells and light-emitting diodes

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Abstract

Dye-sensitized solar cells (DSSCs) can be used as greenhouse-glazing materials because of their translucent properties, varied colors, and ability to produce electricity. To assess their effect on plant growth and physiological responses, Petunia ×hybrida ‘Madness Red’ was investigated under four different light treatments: transparent polycarbonate panels (T) as the control, T + 50% shade (S), red-colored DSSCs (D), and D + cool-white light-emitting diodes (LED) (D + L). Compared to T, S increased the leaf area and the number of days to flowering and decreased the number of flowers and relative chlorophyll content (SPAD). D increased the plant height, leaf area, fresh weight, and the number of days to flowering and reduced the SPAD and number of leaves and flowers due to a lower daily light integral (DLI) and blue light than T. Compared to S, D increased the plant height, leaf area, and fresh weight while reducing the number of leaves and flowers due to the lower blue light. D + L increased the number of leaves and flowers, flowering rate, dry weight, and SPAD but inhibited stem and leaf elongation compared to D, due to an increase in DLI and blue light. The deployment of red DSSCs in greenhouses could potentially induce unfavorable morphological and developmental responses in light-sensitive plants. However, these effects can be mitigated using DSSC-powered LED supplemental lighting.

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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This work was supported by the Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, and Forestry (IPET) through the Agricultural Energy Self-Sufficient Industrial Model Development Program funded by the Ministry of Agriculture, Food, and Rural Affairs (MAFRA) (grant no. 322005-02).

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J.K.: Methodology, Investigation, Visualization, Software, Writing of the original draft. W.O.: Conceptualization, Methodology, Project administration, Supervision, Funding acquisition, Writing, Review, and Editing.

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Correspondence to Wook Oh.

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Kim, J., Oh, W. Growth, flowering and morphological responses of petunia, a photosensitive plant, to light conditions in a greenhouse modified by dye-sensitized solar cells and light-emitting diodes. Hortic. Environ. Biotechnol. (2024). https://doi.org/10.1007/s13580-024-00614-6

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  • DOI: https://doi.org/10.1007/s13580-024-00614-6

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