PHOTOSYNTHETIC APPARATUS AND DEFENSE SYSTEM OF CUCUMBER (CUCUMIS SATIVUS L.) PLANTS UNDER LED LIGHTING OF DIFFERENT SPECTRAL COMPOSITION
Abstract
Lighting with the use of red and blue light-emitting diodes (LED) causes a slight decrease in photosystem II activity due to an adaptation of photosynthetic apparatus in cucumber plants. Applied lighting generally does not have a significant effect on leaf area and dry weight of plants. However, intensification of growth under blue LEDs alone takes place. Red narrowband light induces antioxidant and anti-pathogenic protection in cucumber plants. The obtained results can be applied or optimization of the growing conditions of greenhouse plants.
About the Authors
Y. V. Viazau
Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus
Belarus
Junior Scientific Researcher
Belarus
Junior Scientific Researcher
N. V. Shalygo
Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus
Belarus
Belarus
Sc. D. (Biology), corresponding member of NAS of Belarus, Associate Professor, Head of the Laboratory of biophysics and biochemistry of plant cell
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