Using thermography to confirm genotypic variation for drought response in maize.
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1109974 |
Resumo: | The feasibility of thermography as a technique for plant screening aiming at drought-tolerance has been proven by its relationship with gas exchange, biomass, and yield. In this study, unlike most of the previous, thermography was applied for phenotyping contrasting maize genotypes whose classification for drought tolerance had already been established in the field. Our objective was to determine whether thermography-based classification would discriminate the maize genotypes in a similar way as the field selection in which just grain yield was taken into account as a criterion. We evaluated gas exchange, daily water consumption, leaf relative water content, aboveground biomass, and grain yield. Indeed, the screening of maize genotypes based on canopy temperature showed similar results to traditional methods. Nevertheless, canopy temperature only partially reflected gas exchange rates and daily water consumption in plants under drought. Part of the explanation may lie in the changes that drought had caused in plant leaves and canopy structure, altering absorption and dissipation of energy, photosynthesis, transpiration, and partitioning rates. Accordingly, although there was a negative relationship between grain yield and plant canopy temperature, it does not necessarily mean that plants whose canopies were maintained cooler under drought achieved the highest yield. |
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Using thermography to confirm genotypic variation for drought response in maize.Déficit hídricoFenotipagem de plantasZea Maysabiotic stressThe feasibility of thermography as a technique for plant screening aiming at drought-tolerance has been proven by its relationship with gas exchange, biomass, and yield. In this study, unlike most of the previous, thermography was applied for phenotyping contrasting maize genotypes whose classification for drought tolerance had already been established in the field. Our objective was to determine whether thermography-based classification would discriminate the maize genotypes in a similar way as the field selection in which just grain yield was taken into account as a criterion. We evaluated gas exchange, daily water consumption, leaf relative water content, aboveground biomass, and grain yield. Indeed, the screening of maize genotypes based on canopy temperature showed similar results to traditional methods. Nevertheless, canopy temperature only partially reflected gas exchange rates and daily water consumption in plants under drought. Part of the explanation may lie in the changes that drought had caused in plant leaves and canopy structure, altering absorption and dissipation of energy, photosynthesis, transpiration, and partitioning rates. Accordingly, although there was a negative relationship between grain yield and plant canopy temperature, it does not necessarily mean that plants whose canopies were maintained cooler under drought achieved the highest yield.Raphael Augusto das Chagas Noqueli Casari, Bolsista da Embrapa Agroenergia; Dayane S. Paiva, Bolsista da Embrapa Agroenergia; Vivianny N. B. Silva, Bolsista da Embrapa Agroenergia; Thalita M. M. Ferreira, Bolsista da Embrapa Agroenergia; MANOEL TEIXEIRA SOUZA JUNIOR, CNPAE; Nelson G. Oliveira, Bolsista da Embrapa Agroenergia; ADILSON KENJI KOBAYASHI, CNPAE; HUGO BRUNO CORREA MOLINARI, CNPAE.CASARI, R. A. C. N.PAIVA, D. S.SILVA, V. N. B.FERREIRA, T. M. M.SOUZA JUNIOR, M. T.OLIVEIRA, N. G.KOBAYASHI, A. K.MOLINARI, H. B. C.SANTOS, T. T.GOMIDE, R. L.MAGALHÃES, P. C.SOUSA, C. A. F. de2019-06-22T00:34:48Z2019-06-22T00:34:48Z2019-06-2120192019-11-18T11:11:11Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleInternational Journal of Molecular Sciences v. 20, n. 9, 2273, May-1, 2019.http://www.alice.cnptia.embrapa.br/alice/handle/doc/110997410.3390/ijms20092273porinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2019-06-22T00:34:56Zoai:www.alice.cnptia.embrapa.br:doc/1109974Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542019-06-22T00:34:56falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542019-06-22T00:34:56Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Using thermography to confirm genotypic variation for drought response in maize. |
title |
Using thermography to confirm genotypic variation for drought response in maize. |
spellingShingle |
Using thermography to confirm genotypic variation for drought response in maize. CASARI, R. A. C. N. Déficit hídrico Fenotipagem de plantas Zea Mays abiotic stress |
title_short |
Using thermography to confirm genotypic variation for drought response in maize. |
title_full |
Using thermography to confirm genotypic variation for drought response in maize. |
title_fullStr |
Using thermography to confirm genotypic variation for drought response in maize. |
title_full_unstemmed |
Using thermography to confirm genotypic variation for drought response in maize. |
title_sort |
Using thermography to confirm genotypic variation for drought response in maize. |
author |
CASARI, R. A. C. N. |
author_facet |
CASARI, R. A. C. N. PAIVA, D. S. SILVA, V. N. B. FERREIRA, T. M. M. SOUZA JUNIOR, M. T. OLIVEIRA, N. G. KOBAYASHI, A. K. MOLINARI, H. B. C. SANTOS, T. T. GOMIDE, R. L. MAGALHÃES, P. C. SOUSA, C. A. F. de |
author_role |
author |
author2 |
PAIVA, D. S. SILVA, V. N. B. FERREIRA, T. M. M. SOUZA JUNIOR, M. T. OLIVEIRA, N. G. KOBAYASHI, A. K. MOLINARI, H. B. C. SANTOS, T. T. GOMIDE, R. L. MAGALHÃES, P. C. SOUSA, C. A. F. de |
author2_role |
author author author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Raphael Augusto das Chagas Noqueli Casari, Bolsista da Embrapa Agroenergia; Dayane S. Paiva, Bolsista da Embrapa Agroenergia; Vivianny N. B. Silva, Bolsista da Embrapa Agroenergia; Thalita M. M. Ferreira, Bolsista da Embrapa Agroenergia; MANOEL TEIXEIRA SOUZA JUNIOR, CNPAE; Nelson G. Oliveira, Bolsista da Embrapa Agroenergia; ADILSON KENJI KOBAYASHI, CNPAE; HUGO BRUNO CORREA MOLINARI, CNPAE. |
dc.contributor.author.fl_str_mv |
CASARI, R. A. C. N. PAIVA, D. S. SILVA, V. N. B. FERREIRA, T. M. M. SOUZA JUNIOR, M. T. OLIVEIRA, N. G. KOBAYASHI, A. K. MOLINARI, H. B. C. SANTOS, T. T. GOMIDE, R. L. MAGALHÃES, P. C. SOUSA, C. A. F. de |
dc.subject.por.fl_str_mv |
Déficit hídrico Fenotipagem de plantas Zea Mays abiotic stress |
topic |
Déficit hídrico Fenotipagem de plantas Zea Mays abiotic stress |
description |
The feasibility of thermography as a technique for plant screening aiming at drought-tolerance has been proven by its relationship with gas exchange, biomass, and yield. In this study, unlike most of the previous, thermography was applied for phenotyping contrasting maize genotypes whose classification for drought tolerance had already been established in the field. Our objective was to determine whether thermography-based classification would discriminate the maize genotypes in a similar way as the field selection in which just grain yield was taken into account as a criterion. We evaluated gas exchange, daily water consumption, leaf relative water content, aboveground biomass, and grain yield. Indeed, the screening of maize genotypes based on canopy temperature showed similar results to traditional methods. Nevertheless, canopy temperature only partially reflected gas exchange rates and daily water consumption in plants under drought. Part of the explanation may lie in the changes that drought had caused in plant leaves and canopy structure, altering absorption and dissipation of energy, photosynthesis, transpiration, and partitioning rates. Accordingly, although there was a negative relationship between grain yield and plant canopy temperature, it does not necessarily mean that plants whose canopies were maintained cooler under drought achieved the highest yield. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-06-22T00:34:48Z 2019-06-22T00:34:48Z 2019-06-21 2019 2019-11-18T11:11:11Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
International Journal of Molecular Sciences v. 20, n. 9, 2273, May-1, 2019. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1109974 10.3390/ijms20092273 |
identifier_str_mv |
International Journal of Molecular Sciences v. 20, n. 9, 2273, May-1, 2019. 10.3390/ijms20092273 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1109974 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503476494991360 |