Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 1
Written by Sreeramanan SUBRAMANIAM, Ayyagari RAMLAL
The plant tissue culture system makes it possible to produce plants in a controlled environment under sterile conditions in large quantities and at a constant and faster rate. Light is one of the most important variables that can affect the growth and development of plant tissue culture, influencing photosynthesis, morphogenesis and physiological processes. Light-emitting diodes (LEDs) are useful in this scenario as they allow the irradiation of a narrow spectrum of light that meets the requirements of plants for their growth and development. Different LED-generated spectra with uniform intensity are used in plant tissue culture to enhance plant growth, development and proliferation. In a vertical farming system, LEDs can be used as energy-efficient light sources to produce high-quality products with high nutritional value. Commercially viable growing systems for high-value vegetables such as premium lettuces, herbs, microgreens, edible flowers and strawberry plants have been developed. The continuous acquisition of new concepts and knowledge in photobiology and plant morphogenesis, complemented by the rapid development of LED technology, will make the application of solid-state lighting more remunerative.
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