The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment

The study examined the influence of light quality on the growth and nutritional status of romaine lettuce grown in deep water culture with a floating raft system using two different nutrient solutions. Four spectra of LED light were used with different ratios of R, G, and B lights (80:10:10, 70:10:2...

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Autores principales:	Bożena Matysiak, Stanisław Kaniszewski, Jacek Dyśko, Waldemar Kowalczyk, Artur Kowalski, Maria Grzegorzewska
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	hydroponics <i>Lactuca sativa</i> var. <i>longifolia</i> nitrogen balance index tipburn flavonol index Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/a6c96ca882724e49a1767479a9e23013
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spelling	oai:doaj.org-article:a6c96ca882724e49a1767479a9e230132021-11-25T15:59:56ZThe Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment10.3390/agriculture111111332077-0472https://doaj.org/article/a6c96ca882724e49a1767479a9e230132021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1133https://doaj.org/toc/2077-0472The study examined the influence of light quality on the growth and nutritional status of romaine lettuce grown in deep water culture with a floating raft system using two different nutrient solutions. Four spectra of LED light were used with different ratios of R, G, and B lights (80:10:10, 70:10:20, 60:10:30, and 70:18:12). Two nutrient solutions with a low (A) and moderately high (B) nutrient content were used. Regardless of the nutrient solution, the RGB 70:18:12 light promoted the production of leaf biomass as well as inhibited the accumulation of K and Mg in the leaves. Moreover, those plants were characterized by a low Nitrogen Balance Index (NBI) and a high flavonol index. In the last week of cultivation, there was a strong decrease in K, P, and nitrates in the nutrient solution, and an increase in Ca. In the final stage of growth, symptoms of withering of the tips of young leaves (tipburn) were observed on the plants. The most damage was observed on the plants growing under 70:10:20, 70:18:12, and with the higher concentration of minerals in the solution (B).Bożena MatysiakStanisław KaniszewskiJacek DyśkoWaldemar KowalczykArtur KowalskiMaria GrzegorzewskaMDPI AGarticlehydroponics<i>Lactuca sativa</i> var. <i>longifolia</i>nitrogen balance indextipburnflavonol indexAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1133, p 1133 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydroponics <i>Lactuca sativa</i> var. <i>longifolia</i> nitrogen balance index tipburn flavonol index Agriculture (General) S1-972
spellingShingle	hydroponics <i>Lactuca sativa</i> var. <i>longifolia</i> nitrogen balance index tipburn flavonol index Agriculture (General) S1-972 Bożena Matysiak Stanisław Kaniszewski Jacek Dyśko Waldemar Kowalczyk Artur Kowalski Maria Grzegorzewska The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
description	The study examined the influence of light quality on the growth and nutritional status of romaine lettuce grown in deep water culture with a floating raft system using two different nutrient solutions. Four spectra of LED light were used with different ratios of R, G, and B lights (80:10:10, 70:10:20, 60:10:30, and 70:18:12). Two nutrient solutions with a low (A) and moderately high (B) nutrient content were used. Regardless of the nutrient solution, the RGB 70:18:12 light promoted the production of leaf biomass as well as inhibited the accumulation of K and Mg in the leaves. Moreover, those plants were characterized by a low Nitrogen Balance Index (NBI) and a high flavonol index. In the last week of cultivation, there was a strong decrease in K, P, and nitrates in the nutrient solution, and an increase in Ca. In the final stage of growth, symptoms of withering of the tips of young leaves (tipburn) were observed on the plants. The most damage was observed on the plants growing under 70:10:20, 70:18:12, and with the higher concentration of minerals in the solution (B).
format	article
author	Bożena Matysiak Stanisław Kaniszewski Jacek Dyśko Waldemar Kowalczyk Artur Kowalski Maria Grzegorzewska
author_facet	Bożena Matysiak Stanisław Kaniszewski Jacek Dyśko Waldemar Kowalczyk Artur Kowalski Maria Grzegorzewska
author_sort	Bożena Matysiak
title	The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
title_short	The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
title_full	The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
title_fullStr	The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
title_full_unstemmed	The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment
title_sort	impact of led light spectrum on the growth, morphological traits, and nutritional status of ‘elizium’ romaine lettuce grown in an indoor controlled environment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a6c96ca882724e49a1767479a9e23013
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The Impact of LED Light Spectrum on the Growth, Morphological Traits, and Nutritional Status of ‘Elizium’ Romaine Lettuce Grown in an Indoor Controlled Environment

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