Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants

Sunburn is an important issue affecting the yield of many crops, mainly in arid and semi-arid regions. Excessive solar radiation and high temperatures can reduce growth and cause leaf chlorosis, oxidative stress, and photosynthesis impairment. It is thus necessary to develop agricultural techniques...

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Main Authors: Iván Navarro-Morillo, Francisco Garcia-Sanchez, Jose Maria Camara-Zapata, Eloy Navarro-León, María José Izquierdo-Ramos, Begoña Blasco, Juan Manuel Ruiz
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Horticulturae
Subjects:
Online Access:https://www.mdpi.com/2311-7524/8/6/500
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author Iván Navarro-Morillo
Francisco Garcia-Sanchez
Jose Maria Camara-Zapata
Eloy Navarro-León
María José Izquierdo-Ramos
Begoña Blasco
Juan Manuel Ruiz
author_facet Iván Navarro-Morillo
Francisco Garcia-Sanchez
Jose Maria Camara-Zapata
Eloy Navarro-León
María José Izquierdo-Ramos
Begoña Blasco
Juan Manuel Ruiz
author_sort Iván Navarro-Morillo
collection DOAJ
description Sunburn is an important issue affecting the yield of many crops, mainly in arid and semi-arid regions. Excessive solar radiation and high temperatures can reduce growth and cause leaf chlorosis, oxidative stress, and photosynthesis impairment. It is thus necessary to develop agricultural techniques to protect plants in a cost-effective and reproducible manner. A potential method is through the spray of protective compounds based on particulate films, such as those based on kaolin. The objective of this study is to evaluate the effects of spraying the protective product Archer<sup>®</sup> Eclipse, created by Atlántica Agrícola S.A. (Alicante, Spain), on sunburn damage in a sensitive species such as the cucumber plants (<i>Cucumis sativus</i> L.). To evaluate the effects of sunburn on the plants, parameters related to biomass, leaf temperature, photosynthesis, and oxidative stress were analysed. Plants sprayed with Archer<sup>®</sup> Eclipse showed fewer sunburn symptoms and obtained 43% more shoot biomass than those that were not treated. In addition, plants sprayed with Archer<sup>®</sup> Eclipse showed 3 °C lower leaf temperatures, higher photosynthesis performance, 88% more water use efficiency, and 21% more chlorophyll concentration. Finally, plants treated with Archer<sup>®</sup> Eclipse presented 6% less accumulations of carotenoids and 67% less total phenols, but lower oxidative stress indicators. In conclusion, this study confirms the efficiency of Archer<sup>®</sup> Eclipse in protecting a sensitive vegetable plant such as the cucumber from sunburn-inducing conditions.
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spelling doaj.art-3d14448604d44b25b44e22f32e2eb85d2023-11-23T16:55:14ZengMDPI AGHorticulturae2311-75242022-06-018650010.3390/horticulturae8060500Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber PlantsIván Navarro-Morillo0Francisco Garcia-Sanchez1Jose Maria Camara-Zapata2Eloy Navarro-León3María José Izquierdo-Ramos4Begoña Blasco5Juan Manuel Ruiz6R + D Department of Atlántica Agrícola, 03400 Villena, SpainCentro de Edafología y Biología Aplicada del Segura, Consejo Superior de Investigaciones Científicas, 30100 Murcia, SpainCentro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, 03312 Orihuela, SpainDepartamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, 18071 Granada, SpainDepartamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, 18071 Granada, SpainDepartamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, 18071 Granada, SpainDepartamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, 18071 Granada, SpainSunburn is an important issue affecting the yield of many crops, mainly in arid and semi-arid regions. Excessive solar radiation and high temperatures can reduce growth and cause leaf chlorosis, oxidative stress, and photosynthesis impairment. It is thus necessary to develop agricultural techniques to protect plants in a cost-effective and reproducible manner. A potential method is through the spray of protective compounds based on particulate films, such as those based on kaolin. The objective of this study is to evaluate the effects of spraying the protective product Archer<sup>®</sup> Eclipse, created by Atlántica Agrícola S.A. (Alicante, Spain), on sunburn damage in a sensitive species such as the cucumber plants (<i>Cucumis sativus</i> L.). To evaluate the effects of sunburn on the plants, parameters related to biomass, leaf temperature, photosynthesis, and oxidative stress were analysed. Plants sprayed with Archer<sup>®</sup> Eclipse showed fewer sunburn symptoms and obtained 43% more shoot biomass than those that were not treated. In addition, plants sprayed with Archer<sup>®</sup> Eclipse showed 3 °C lower leaf temperatures, higher photosynthesis performance, 88% more water use efficiency, and 21% more chlorophyll concentration. Finally, plants treated with Archer<sup>®</sup> Eclipse presented 6% less accumulations of carotenoids and 67% less total phenols, but lower oxidative stress indicators. In conclusion, this study confirms the efficiency of Archer<sup>®</sup> Eclipse in protecting a sensitive vegetable plant such as the cucumber from sunburn-inducing conditions.https://www.mdpi.com/2311-7524/8/6/500<i>Cucumis</i> sativuskaolinsun protectorreactive oxygen speciesphoto-oxidative stress
spellingShingle Iván Navarro-Morillo
Francisco Garcia-Sanchez
Jose Maria Camara-Zapata
Eloy Navarro-León
María José Izquierdo-Ramos
Begoña Blasco
Juan Manuel Ruiz
Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
Horticulturae
<i>Cucumis</i> sativus
kaolin
sun protector
reactive oxygen species
photo-oxidative stress
title Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
title_full Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
title_fullStr Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
title_full_unstemmed Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
title_short Physiological Study of the Efficacy of Archer<sup>®</sup> Eclipse in the Protection against Sunburn in Cucumber Plants
title_sort physiological study of the efficacy of archer sup r sup eclipse in the protection against sunburn in cucumber plants
topic <i>Cucumis</i> sativus
kaolin
sun protector
reactive oxygen species
photo-oxidative stress
url https://www.mdpi.com/2311-7524/8/6/500
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