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White LED Lighting for Plants

By Anton Sharakshane

Posted 07 Nov 2017
bioRxiv DOI: 10.1101/215095

The highest intensity of photosynthesis is obtained under red light, but plants die or their growth gets disrupted if only red light is used. For example, Korean researchers have shown that under pure red light the amount of the grown lettuce is greater than under a combination of red and blue light, but the leaves have a significantly smaller amount of chlorophyll, polyphenols and antioxidants. And the researchers at the Faculty of Biology of the Moscow State University have found that the synthesis of sugars is reduced, growth is inhibited and no blossoming occurs in the leaves of Chinese cabbage under narrow-band red and blue light (as compared to a sodium lamp). What kind of lighting is needed to get a fully developed, large, fragrant and tasty plant with moderate energy consumption?

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