Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions

Detalhes bibliográficos
Autor(a) principal: Aires, Eduardo Santana [UNESP]
Data de Publicação: 2021
Outros Autores: Aragão, Carlos Alberto, Dantas, Bárbara França, Rodrigues, João Domingos [UNESP], Ono, Elizabeth Orika [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.3390/horticulturae7120553
http://hdl.handle.net/11449/233911
Resumo: High solar radiation in tropical regions can affect the development, physiology, and biochemistry of plants. Our aim with this research was to evaluate the biochemical responses and production of iceberg lettuce cultivars under environments with different shadings. An experiment under field conditions was installed in a 4 × 4 factorial scheme. Four cultivars of iceberg lettuce (Great Lakes, Winslow, Delicia, and Balsamo) and four environments with different shadings (three types of shading screens: red, ChromatiNet®, and black; and treatment under the full sun) were evaluated. Forty-five days after transplanting, the plants were harvested, and the biomass was weighed to obtain the fresh consumable part (FCP) and the biochemical parameters: total soluble sugar (TSS), reducing sugar (RS), and the activity of SOD, CAT, and POD. We found that shading modulates biochemical and productive responses of iceberg lettuce, and the main microclimatic factor related to these responses was solar radiation. We observed a negative correlation between RS and FCP. The solar radiation between 16 and 18 MJ·m−2·day−1, observed in the environments with a black screen and ChromatiNet®, promoted the highest activity of the SOD enzyme and average levels of TSS and RS, providing higher FCP of the cultivars Delícia and Balsamo in high temperatures period.
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spelling Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditionsBoltingLactuca sativa LPhysiologyProductionShadingSugarsHigh solar radiation in tropical regions can affect the development, physiology, and biochemistry of plants. Our aim with this research was to evaluate the biochemical responses and production of iceberg lettuce cultivars under environments with different shadings. An experiment under field conditions was installed in a 4 × 4 factorial scheme. Four cultivars of iceberg lettuce (Great Lakes, Winslow, Delicia, and Balsamo) and four environments with different shadings (three types of shading screens: red, ChromatiNet®, and black; and treatment under the full sun) were evaluated. Forty-five days after transplanting, the plants were harvested, and the biomass was weighed to obtain the fresh consumable part (FCP) and the biochemical parameters: total soluble sugar (TSS), reducing sugar (RS), and the activity of SOD, CAT, and POD. We found that shading modulates biochemical and productive responses of iceberg lettuce, and the main microclimatic factor related to these responses was solar radiation. We observed a negative correlation between RS and FCP. The solar radiation between 16 and 18 MJ·m−2·day−1, observed in the environments with a black screen and ChromatiNet®, promoted the highest activity of the SOD enzyme and average levels of TSS and RS, providing higher FCP of the cultivars Delícia and Balsamo in high temperatures period.Department of Horticulture School of Agronomy São Paulo State UniversityDepartment of Technology and Social Sciences Bahia State UniversitySeeds Lab Embrapa SemiáridoDepartment of Botany Institute of Biosciences São Paulo State UniversityDepartment of Horticulture School of Agronomy São Paulo State UniversityDepartment of Botany Institute of Biosciences São Paulo State UniversityUniversidade Estadual Paulista (UNESP)Bahia State UniversityEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)Aires, Eduardo Santana [UNESP]Aragão, Carlos AlbertoDantas, Bárbara FrançaRodrigues, João Domingos [UNESP]Ono, Elizabeth Orika [UNESP]2022-05-01T11:39:06Z2022-05-01T11:39:06Z2021-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.3390/horticulturae7120553Horticulturae, v. 7, n. 12, 2021.2311-7524http://hdl.handle.net/11449/23391110.3390/horticulturae71205532-s2.0-85121355752Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengHorticulturaeinfo:eu-repo/semantics/openAccess2022-05-01T11:39:06Zoai:repositorio.unesp.br:11449/233911Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:18:27.970500Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
title Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
spellingShingle Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
Aires, Eduardo Santana [UNESP]
Bolting
Lactuca sativa L
Physiology
Production
Shading
Sugars
title_short Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
title_full Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
title_fullStr Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
title_full_unstemmed Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
title_sort Light intensity modulates the accumulation of carbohydrates, antioxidant enzymes and production of iceberg lettuce under tropical conditions
author Aires, Eduardo Santana [UNESP]
author_facet Aires, Eduardo Santana [UNESP]
Aragão, Carlos Alberto
Dantas, Bárbara França
Rodrigues, João Domingos [UNESP]
Ono, Elizabeth Orika [UNESP]
author_role author
author2 Aragão, Carlos Alberto
Dantas, Bárbara França
Rodrigues, João Domingos [UNESP]
Ono, Elizabeth Orika [UNESP]
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (UNESP)
Bahia State University
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.author.fl_str_mv Aires, Eduardo Santana [UNESP]
Aragão, Carlos Alberto
Dantas, Bárbara França
Rodrigues, João Domingos [UNESP]
Ono, Elizabeth Orika [UNESP]
dc.subject.por.fl_str_mv Bolting
Lactuca sativa L
Physiology
Production
Shading
Sugars
topic Bolting
Lactuca sativa L
Physiology
Production
Shading
Sugars
description High solar radiation in tropical regions can affect the development, physiology, and biochemistry of plants. Our aim with this research was to evaluate the biochemical responses and production of iceberg lettuce cultivars under environments with different shadings. An experiment under field conditions was installed in a 4 × 4 factorial scheme. Four cultivars of iceberg lettuce (Great Lakes, Winslow, Delicia, and Balsamo) and four environments with different shadings (three types of shading screens: red, ChromatiNet®, and black; and treatment under the full sun) were evaluated. Forty-five days after transplanting, the plants were harvested, and the biomass was weighed to obtain the fresh consumable part (FCP) and the biochemical parameters: total soluble sugar (TSS), reducing sugar (RS), and the activity of SOD, CAT, and POD. We found that shading modulates biochemical and productive responses of iceberg lettuce, and the main microclimatic factor related to these responses was solar radiation. We observed a negative correlation between RS and FCP. The solar radiation between 16 and 18 MJ·m−2·day−1, observed in the environments with a black screen and ChromatiNet®, promoted the highest activity of the SOD enzyme and average levels of TSS and RS, providing higher FCP of the cultivars Delícia and Balsamo in high temperatures period.
publishDate 2021
dc.date.none.fl_str_mv 2021-12-01
2022-05-01T11:39:06Z
2022-05-01T11:39:06Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.3390/horticulturae7120553
Horticulturae, v. 7, n. 12, 2021.
2311-7524
http://hdl.handle.net/11449/233911
10.3390/horticulturae7120553
2-s2.0-85121355752
url http://dx.doi.org/10.3390/horticulturae7120553
http://hdl.handle.net/11449/233911
identifier_str_mv Horticulturae, v. 7, n. 12, 2021.
2311-7524
10.3390/horticulturae7120553
2-s2.0-85121355752
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Horticulturae
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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