Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce

<i>Ecklonia maxima</i> is a brown algae seaweed largely harvested over the last years and used to produce alginate, animal feed, fertilizers, and plant biostimulants. Their extracts are commercially available in various forms and have been applied to many crops for their growth-promoting...

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Autores principales:	Alessandro Miceli, Filippo Vetrano, Alessandra Moncada
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biostimulants seaweed extracts <i>Lactuca sativa</i> L. var. <i>Crispa</i> leafy vegetables hydroponics floating system Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/1a03bc02fa384cc09d2bbd2736491ecc
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spelling	oai:doaj.org-article:1a03bc02fa384cc09d2bbd2736491ecc2021-11-25T17:47:09ZInfluence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce10.3390/horticulturae71104402311-7524https://doaj.org/article/1a03bc02fa384cc09d2bbd2736491ecc2021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/440https://doaj.org/toc/2311-7524<i>Ecklonia maxima</i> is a brown algae seaweed largely harvested over the last years and used to produce alginate, animal feed, fertilizers, and plant biostimulants. Their extracts are commercially available in various forms and have been applied to many crops for their growth-promoting effects which may vary according to the treated species and doses applied. The aim of the study was to characterize the effect of adding an <i>Ecklonia maxima</i> commercial extract (Basfoliar Kelp; 0, 1, 2, and 4 mL L<sup>−1</sup>) to the nutrient solution of a hydroponic floating system on growth, yield, and quality of leaf lettuce at harvest and during cold storage (21 days at 4 °C). The supplementation of the <i>E. maxima</i> extract through the mineral nutrient solutions, especially between 2 and 4 mL L<sup>−1</sup>, enhanced plant growth and improved the yield and many morphological and physiological traits (biomass accumulation, leaf expansion, stomatal conductance, water use efficiency, nitrogen use efficiency, etc.). Preharvest treatments with <i>E. maxima</i> extract were effective in delaying leaf senescence and extending the shelf-life of fresh-cut leaf lettuce. The delay in leaf decay of treated samples allowed to retain an overall quality over the threshold of marketability for up to 21 d of cold storage, especially using 2 mL L<sup>−1</sup> of extract.Alessandro MiceliFilippo VetranoAlessandra MoncadaMDPI AGarticlebiostimulantsseaweed extracts<i>Lactuca sativa</i> L. var. <i>Crispa</i>leafy vegetableshydroponicsfloating systemPlant cultureSB1-1110ENHorticulturae, Vol 7, Iss 440, p 440 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biostimulants seaweed extracts <i>Lactuca sativa</i> L. var. <i>Crispa</i> leafy vegetables hydroponics floating system Plant culture SB1-1110
spellingShingle	biostimulants seaweed extracts <i>Lactuca sativa</i> L. var. <i>Crispa</i> leafy vegetables hydroponics floating system Plant culture SB1-1110 Alessandro Miceli Filippo Vetrano Alessandra Moncada Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
description	<i>Ecklonia maxima</i> is a brown algae seaweed largely harvested over the last years and used to produce alginate, animal feed, fertilizers, and plant biostimulants. Their extracts are commercially available in various forms and have been applied to many crops for their growth-promoting effects which may vary according to the treated species and doses applied. The aim of the study was to characterize the effect of adding an <i>Ecklonia maxima</i> commercial extract (Basfoliar Kelp; 0, 1, 2, and 4 mL L<sup>−1</sup>) to the nutrient solution of a hydroponic floating system on growth, yield, and quality of leaf lettuce at harvest and during cold storage (21 days at 4 °C). The supplementation of the <i>E. maxima</i> extract through the mineral nutrient solutions, especially between 2 and 4 mL L<sup>−1</sup>, enhanced plant growth and improved the yield and many morphological and physiological traits (biomass accumulation, leaf expansion, stomatal conductance, water use efficiency, nitrogen use efficiency, etc.). Preharvest treatments with <i>E. maxima</i> extract were effective in delaying leaf senescence and extending the shelf-life of fresh-cut leaf lettuce. The delay in leaf decay of treated samples allowed to retain an overall quality over the threshold of marketability for up to 21 d of cold storage, especially using 2 mL L<sup>−1</sup> of extract.
format	article
author	Alessandro Miceli Filippo Vetrano Alessandra Moncada
author_facet	Alessandro Miceli Filippo Vetrano Alessandra Moncada
author_sort	Alessandro Miceli
title	Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
title_short	Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
title_full	Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
title_fullStr	Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
title_full_unstemmed	Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce
title_sort	influence of <i>ecklonia maxima</i> extracts on growth, yield, and postharvest quality of hydroponic leaf lettuce
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1a03bc02fa384cc09d2bbd2736491ecc
work_keys_str_mv	AT alessandromiceli influenceofieckloniamaximaiextractsongrowthyieldandpostharvestqualityofhydroponicleaflettuce AT filippovetrano influenceofieckloniamaximaiextractsongrowthyieldandpostharvestqualityofhydroponicleaflettuce AT alessandramoncada influenceofieckloniamaximaiextractsongrowthyieldandpostharvestqualityofhydroponicleaflettuce
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Influence of <i>Ecklonia maxima</i> Extracts on Growth, Yield, and Postharvest Quality of Hydroponic Leaf Lettuce

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