Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Colored Growing Benches with Different Wavelengths Increase Production and Bioactive Compounds in Baby Leaf Kale

Version 1 : Received: 25 October 2023 / Approved: 25 October 2023 / Online: 26 October 2023 (09:11:09 CEST)

How to cite: Dantas, T.; Costa, E.; Scalon, S. D. P. Q.; Araújo, T. A. D. N. D.; Binotti, F. F. D. S.; Vendruscolo, E. P.; Vieira, G. H. D. C.; Martins, M. B.; Lima, S. M.; Andrade, L. H. D. C. Colored Growing Benches with Different Wavelengths Increase Production and Bioactive Compounds in Baby Leaf Kale. Preprints 2023, 2023101694. https://doi.org/10.20944/preprints202310.1694.v1 Dantas, T.; Costa, E.; Scalon, S. D. P. Q.; Araújo, T. A. D. N. D.; Binotti, F. F. D. S.; Vendruscolo, E. P.; Vieira, G. H. D. C.; Martins, M. B.; Lima, S. M.; Andrade, L. H. D. C. Colored Growing Benches with Different Wavelengths Increase Production and Bioactive Compounds in Baby Leaf Kale. Preprints 2023, 2023101694. https://doi.org/10.20944/preprints202310.1694.v1

Abstract

Background: Several environmental factors can strongly influence the accumulation of glucosinolates and plant pigments. This study aimed to evaluate the growth and bioactive compounds production of baby leaf kale on colored reflective growing benches with different wavelengths; Methods: In an greenhouse, five types of growing benches were assessed without and with bright reflective colored materials: control and reflective bright (white, yellow, red, and blue); Results: The growing bench with laminated white reflective material increased the photosynthetically active radiation the most. The use of growing benches with laminated reflective material increased the production of baby leaf kale, in which the white, yellow, red, and blue laminates increased the number of leaves by 35.5, 26, 25, and 20.8%, respectively, and the shoot fresh mass by 132, 112, 112, and 109%, respectively. Using the growing bench reflective bright blue laminate increased the bioactive compounds of baby leaf kale plants, increasing chlorophylls A, B, and total by 72, 67, and 70% respectively, and carotenoids by 55%; Conclusions: The use of reflective materials is an alternative method that provides plants with better conditions for assimilating photosynthetically active radiation, increasing the development, yield, and production of bioactive compounds that promote human health.

Keywords

Brassica oleracea var. sabellica; phytochemicals; light supplementation; reflected photosynthetically active radiation

Subject

Biology and Life Sciences, Horticulture

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