LED Lighting - Modification of Growth, Metabolism, Yield and Flour Composition in Wheat by Spectral Quality and Intensity

Frontiers in Plant Science
István MonostoriEva Darko

Abstract

The use of light-emitting diode (LED) technology for plant cultivation under controlled environmental conditions can result in significant reductions in energy consumption. However, there is still a lack of detailed information on the lighting conditions required for optimal growth of different plant species and the effects of light intensity and spectral composition on plant metabolism and nutritional quality. In the present study, wheat plants were grown under six regimens designed to compare the effects of LED and conventional fluorescent lights on growth and development, leaf photosynthesis, thiol and amino acid metabolism as well as grain yield and flour quality of wheat. Benefits of LED light sources over fluorescent lighting were manifested in both yield and quality of wheat. Elevated light intensities made possible with LEDs increased photosynthetic activity, the number of tillers, biomass and yield. At lower light intensities, blue, green and far-red light operated antagonistically during the stem elongation period. High photosynthetic activity was achieved when at least 50% of red light was applied during cultivation. A high proportion of blue light prolonged the juvenile phase, while the shortest flowering time was a...Continue Reading

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Citations

Jun 19, 2019·Nature Biotechnology·Lee T HickeyBrande B H Wulff
Jan 29, 2019·Frontiers in Plant Science·Ágnes GalléPéter Poór
May 27, 2021·Plant Science : an International Journal of Experimental Plant Biology·Magda PálTibor Janda
Sep 30, 2021·Molecular Biology Reports·Ankita Rajendra ParabSreeramanan Subramaniam

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Methods Mentioned

BETA
Fluorescence

Software Mentioned

SPSS
MultiExperiment Viewer

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