Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng por |
Título da fonte: | Acta Scientiarum. Agronomy (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686 |
Resumo: | The current scenario of increased water scarcity is due to climate change and directly affects food production. It is thus necessary to develop strategies to mitigate the impacts of low water availability. Therefore, the goal of the present study is to evaluate the physiological behaviour of melon cultivars under water stress. The experiment was conducted in a protected environment in the experimental Submedium region of the São Francisco River Valley in the period ranging from October to December. In this study, we used the melon cultivars 'Amarelo' and 'Piel de Sapo'. The experiment was conducted in a randomized block design with three replicates that were subdivided into plots, where the plots were comprised of four irrigation rates (50, 75, 100, and 125% of crop evapotranspiration – CET), subplots were comprised of the two melon cultivars, and sub-subplots were comprised of samplings for physiological analyses (15, 30, and 45 days after transplanting). The parameters evaluated were stomatal conductance, transpiration, net photosynthesis, relationship CI/CA, and accumulated dry matter. Water stress reduced the stomatal conductance, transpiration, net photosynthesis, CI/CA, and accumulated dry matter. 'Piel de Sapo' showed a higher photosynthetic adjustment than 'Amarelo' melon due to the gas exchange behaviour of the former, and it was, therefore, more tolerant to water stress. |
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Acta Scientiarum. Agronomy (Online) |
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Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valleyphotosynthetic adjustmenttolerancedry matterCucumis melo L.The current scenario of increased water scarcity is due to climate change and directly affects food production. It is thus necessary to develop strategies to mitigate the impacts of low water availability. Therefore, the goal of the present study is to evaluate the physiological behaviour of melon cultivars under water stress. The experiment was conducted in a protected environment in the experimental Submedium region of the São Francisco River Valley in the period ranging from October to December. In this study, we used the melon cultivars 'Amarelo' and 'Piel de Sapo'. The experiment was conducted in a randomized block design with three replicates that were subdivided into plots, where the plots were comprised of four irrigation rates (50, 75, 100, and 125% of crop evapotranspiration – CET), subplots were comprised of the two melon cultivars, and sub-subplots were comprised of samplings for physiological analyses (15, 30, and 45 days after transplanting). The parameters evaluated were stomatal conductance, transpiration, net photosynthesis, relationship CI/CA, and accumulated dry matter. Water stress reduced the stomatal conductance, transpiration, net photosynthesis, CI/CA, and accumulated dry matter. 'Piel de Sapo' showed a higher photosynthetic adjustment than 'Amarelo' melon due to the gas exchange behaviour of the former, and it was, therefore, more tolerant to water stress.Universidade Estadual de Maringá2019-05-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/4268610.4025/actasciagron.v41i1.42686Acta Scientiarum. Agronomy; Vol 41 (2019): Publicação Contínua; e42686Acta Scientiarum. Agronomy; v. 41 (2019): Publicação Contínua; e426861807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMengporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686/751375147199Copyright (c) 2019 Acta Scientiarum. Agronomyhttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessAmorim, Daniel VieiraMesquita, Alessandro CarlosMarinho, Lígia BorgesSouza, Vanuza deAidar, Saulo de TarsoCarvalho, Marília Mickaele Pinheiro2019-09-24T12:25:27Zoai:periodicos.uem.br/ojs:article/42686Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2019-09-24T12:25:27Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
title |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
spellingShingle |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley Amorim, Daniel Vieira photosynthetic adjustment tolerance dry matter Cucumis melo L. |
title_short |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
title_full |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
title_fullStr |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
title_full_unstemmed |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
title_sort |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley |
author |
Amorim, Daniel Vieira |
author_facet |
Amorim, Daniel Vieira Mesquita, Alessandro Carlos Marinho, Lígia Borges Souza, Vanuza de Aidar, Saulo de Tarso Carvalho, Marília Mickaele Pinheiro |
author_role |
author |
author2 |
Mesquita, Alessandro Carlos Marinho, Lígia Borges Souza, Vanuza de Aidar, Saulo de Tarso Carvalho, Marília Mickaele Pinheiro |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Amorim, Daniel Vieira Mesquita, Alessandro Carlos Marinho, Lígia Borges Souza, Vanuza de Aidar, Saulo de Tarso Carvalho, Marília Mickaele Pinheiro |
dc.subject.por.fl_str_mv |
photosynthetic adjustment tolerance dry matter Cucumis melo L. |
topic |
photosynthetic adjustment tolerance dry matter Cucumis melo L. |
description |
The current scenario of increased water scarcity is due to climate change and directly affects food production. It is thus necessary to develop strategies to mitigate the impacts of low water availability. Therefore, the goal of the present study is to evaluate the physiological behaviour of melon cultivars under water stress. The experiment was conducted in a protected environment in the experimental Submedium region of the São Francisco River Valley in the period ranging from October to December. In this study, we used the melon cultivars 'Amarelo' and 'Piel de Sapo'. The experiment was conducted in a randomized block design with three replicates that were subdivided into plots, where the plots were comprised of four irrigation rates (50, 75, 100, and 125% of crop evapotranspiration – CET), subplots were comprised of the two melon cultivars, and sub-subplots were comprised of samplings for physiological analyses (15, 30, and 45 days after transplanting). The parameters evaluated were stomatal conductance, transpiration, net photosynthesis, relationship CI/CA, and accumulated dry matter. Water stress reduced the stomatal conductance, transpiration, net photosynthesis, CI/CA, and accumulated dry matter. 'Piel de Sapo' showed a higher photosynthetic adjustment than 'Amarelo' melon due to the gas exchange behaviour of the former, and it was, therefore, more tolerant to water stress. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-05-24 |
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 |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686 10.4025/actasciagron.v41i1.42686 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686 |
identifier_str_mv |
10.4025/actasciagron.v41i1.42686 |
dc.language.iso.fl_str_mv |
eng por |
language |
eng por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686/pdf http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42686/751375147199 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2019 Acta Scientiarum. Agronomy https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2019 Acta Scientiarum. Agronomy https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Agronomy; Vol 41 (2019): Publicação Contínua; e42686 Acta Scientiarum. Agronomy; v. 41 (2019): Publicação Contínua; e42686 1807-8621 1679-9275 reponame:Acta Scientiarum. Agronomy (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Agronomy (Online) |
collection |
Acta Scientiarum. Agronomy (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br |
_version_ |
1799305910677405696 |