Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars

Detalhes bibliográficos
Autor(a) principal: Wamser, Anderson Fernando
Data de Publicação: 2021
Outros Autores: Mueller, Siegfried, Argenta, Luiz Carlos
Tipo de documento: Artigo
Idioma: por
Título da fonte: Agropecuária Catarinense (Online)
Texto Completo: https://publicacoes.epagri.sc.gov.br/rac/article/view/947
Resumo: The aim of this study was to evaluate the photosynthetic and transpiration rates in differentlayers of tomato cultivars. Photosynthetic rate, transpiration, stomata conductance, internal CO2 concentration, leaf temperature, air temperature and photosynthetically active radiation were evaluated in the beginning of the harvest. There were no differences among cultivars for all parameters. Photosynthetic rates were higher inthe upper layers. However, the photosynthetic rates in all layers were above the light compensation point, contributing with carbohydrates for the growth and development of the fruits. The transpiration rates were alsohigher in the upper layers. The leaf temperature was higher in the downer layers.
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spelling Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivarsTaxa fotossintética e transpiratória em diferentes estratos do dossel de 16 cultivares de tomateLycopersicon esculentum Millfotossíntesetranspiração.Lycopersicon esculentumphotosynthesistranspiration The aim of this study was to evaluate the photosynthetic and transpiration rates in differentlayers of tomato cultivars. Photosynthetic rate, transpiration, stomata conductance, internal CO2 concentration, leaf temperature, air temperature and photosynthetically active radiation were evaluated in the beginning of the harvest. There were no differences among cultivars for all parameters. Photosynthetic rates were higher inthe upper layers. However, the photosynthetic rates in all layers were above the light compensation point, contributing with carbohydrates for the growth and development of the fruits. The transpiration rates were alsohigher in the upper layers. The leaf temperature was higher in the downer layers. O presente trabalho teve por objetivo avaliar as taxas fotossintéticas e transpiratórias em cultivares de tomate nos estratos superior, médio e inferior do dossel. As taxas fotossintéticas e transpiratórias, a condutância estomática, a concentração interna de CO2, a temperatura da folha, a temperatura do ar e a radiação fotossinteticamente ativa incidente foram avaliadas no início da colheita. Não houve diferenças expressivas entre as cultivares com relação às variáveis estudadas. As taxas fotossintéticas no início da colheita foram maiores nos estratos superiores do dossel. Todavia, em todos os estratos as taxas fotossintéticas estavam acima do ponto de compensação luminosa, contribuindo com fotoassimilados para o crescimento e desenvolvimentodos frutos. As taxas transpiratórias também foram maiores nos estratos superiores. Já a temperatura foliar foi maior nos estratos inferiores. Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri2021-05-27info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://publicacoes.epagri.sc.gov.br/rac/article/view/947Agropecuária Catarinense Journal; Vol. 19 No. 3 (2006); 69-72Agropecuária Catarinense; v. 19 n. 3 (2006); 69-722525-60760103-0779reponame:Agropecuária Catarinense (Online)instname:Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri)instacron:EPAGRIporhttps://publicacoes.epagri.sc.gov.br/rac/article/view/947/845Copyright (c) 2006 Agropecuaria catarinensehttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessWamser, Anderson FernandoMueller, SiegfriedArgenta, Luiz Carlos2021-05-27T12:41:58Zoai:ojs.publicacoes.epagri.sc.gov.br:article/947Revistahttps://publicacoes.epagri.sc.gov.br/RAC/indexPUBhttps://publicacoes.epagri.sc.gov.br/index.php/RAC/oaieditoriarac@epagri.sc.gov.br || lamperuch@epagri.sc.gov.br2525-60760103-0779opendoar:2021-05-27T12:41:58Agropecuária Catarinense (Online) - Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri)false
dc.title.none.fl_str_mv Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
Taxa fotossintética e transpiratória em diferentes estratos do dossel de 16 cultivares de tomate
title Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
spellingShingle Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
Wamser, Anderson Fernando
Lycopersicon esculentum Mill
fotossíntese
transpiração.
Lycopersicon esculentum
photosynthesis
transpiration
title_short Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
title_full Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
title_fullStr Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
title_full_unstemmed Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
title_sort Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars
author Wamser, Anderson Fernando
author_facet Wamser, Anderson Fernando
Mueller, Siegfried
Argenta, Luiz Carlos
author_role author
author2 Mueller, Siegfried
Argenta, Luiz Carlos
author2_role author
author
dc.contributor.author.fl_str_mv Wamser, Anderson Fernando
Mueller, Siegfried
Argenta, Luiz Carlos
dc.subject.por.fl_str_mv Lycopersicon esculentum Mill
fotossíntese
transpiração.
Lycopersicon esculentum
photosynthesis
transpiration
topic Lycopersicon esculentum Mill
fotossíntese
transpiração.
Lycopersicon esculentum
photosynthesis
transpiration
description The aim of this study was to evaluate the photosynthetic and transpiration rates in differentlayers of tomato cultivars. Photosynthetic rate, transpiration, stomata conductance, internal CO2 concentration, leaf temperature, air temperature and photosynthetically active radiation were evaluated in the beginning of the harvest. There were no differences among cultivars for all parameters. Photosynthetic rates were higher inthe upper layers. However, the photosynthetic rates in all layers were above the light compensation point, contributing with carbohydrates for the growth and development of the fruits. The transpiration rates were alsohigher in the upper layers. The leaf temperature was higher in the downer layers.
publishDate 2021
dc.date.none.fl_str_mv 2021-05-27
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://publicacoes.epagri.sc.gov.br/rac/article/view/947
url https://publicacoes.epagri.sc.gov.br/rac/article/view/947
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://publicacoes.epagri.sc.gov.br/rac/article/view/947/845
dc.rights.driver.fl_str_mv Copyright (c) 2006 Agropecuaria catarinense
https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2006 Agropecuaria catarinense
https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri
publisher.none.fl_str_mv Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri
dc.source.none.fl_str_mv Agropecuária Catarinense Journal; Vol. 19 No. 3 (2006); 69-72
Agropecuária Catarinense; v. 19 n. 3 (2006); 69-72
2525-6076
0103-0779
reponame:Agropecuária Catarinense (Online)
instname:Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri)
instacron:EPAGRI
instname_str Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri)
instacron_str EPAGRI
institution EPAGRI
reponame_str Agropecuária Catarinense (Online)
collection Agropecuária Catarinense (Online)
repository.name.fl_str_mv Agropecuária Catarinense (Online) - Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri)
repository.mail.fl_str_mv editoriarac@epagri.sc.gov.br || lamperuch@epagri.sc.gov.br
_version_ 1754917260740263936

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