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Effects of Different Spectra from LED on the Growth, Development and Reproduction of Arabidopsis thaliana

Tengyue Zou, Bing Wu, Wen Wu, Long Ge, Yong Xu*
College of Mechanical and Electronic Engineering, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
* Corresponding Author: Yong Xu. Email:

Phyton-International Journal of Experimental Botany 2020, 89(2), 275-289. https://doi.org/10.32604/phyton.2020.09277

Received 29 November 2019; Accepted 09 January 2020; Issue published 22 April 2020

Abstract

Light is the major source of energy for plants and as such has a profound effect on plant growth and development. Red and blue lights have been considered to best drive photosynthetic metabolism and are beneficial for plant growth and development, and green light was seen as a signal to slow down or stop. In this study, Arabidopsis thaliana (Arabidopsis) was used to investigate the effects of red, blue and green lights on the growth and development of plants from seed germination to seeding. Results demonstrated that red light showed a promotion effect but blue light a prohibition one in most stages except for the flowering time in which the effect of each light was just reversed. When mixed with red or blue light, green light generally at least partially cancelled out the effects caused by each of them. Results also showed that the same number of photons the plant received could cause different effects and choosing the right combination of different color of lights is essential in both promoting the growth and development of plants and reducing the energy consumption of lighting in plant factory.

Keywords

Arabidopsis thaliana; light quality; photomorphogenesis; LED; plant growth

Cite This Article

Zou, T., Wu, B., Wu, W., Ge, L., Xu, Y. (2020). Effects of Different Spectra from LED on the Growth, Development and Reproduction of Arabidopsis thaliana. Phyton-International Journal of Experimental Botany, 89(2), 275–289.

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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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