Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.4025/actascianimsci.v32i1.8961 http://hdl.handle.net/11449/71656 |
Resumo: | The experiment was carried out aiming to evaluate the gas exchange of dwarf elephant grass genotypes under different hydric conditions, in a randomized design with three replications. Genotypes of dwarf elephant grass (Mott, CNPGL 94-34-3 and CNPGL 92-198-7) were analyzed under two hydric conditions: irrigated (I) and non-irrigated (NI). Differences between treatments I and NI were observed for all genotypes for photosynthesis, stomatal conductance, transpiration and water vapor pressure deficit. Genotype CNPGL 94-34-3 presented highest tolerance to hydric stress, followed by Mott and CNPGL 92-198-7 genotypes. All genotypes presented high photosynthetic rate, under ideal conditions of soil humidity, thus characterizing the analyzed dwarf elephant grass genotypes as plants with high photosynthetic efficiency. |
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Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídricoPhotosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditionsPhotoinhibitionPhotosynthesisStomatal conductanceTranspirationVapor pressure deficitPennisetum glaucumPennisetum purpureumThe experiment was carried out aiming to evaluate the gas exchange of dwarf elephant grass genotypes under different hydric conditions, in a randomized design with three replications. Genotypes of dwarf elephant grass (Mott, CNPGL 94-34-3 and CNPGL 92-198-7) were analyzed under two hydric conditions: irrigated (I) and non-irrigated (NI). Differences between treatments I and NI were observed for all genotypes for photosynthesis, stomatal conductance, transpiration and water vapor pressure deficit. Genotype CNPGL 94-34-3 presented highest tolerance to hydric stress, followed by Mott and CNPGL 92-198-7 genotypes. All genotypes presented high photosynthetic rate, under ideal conditions of soil humidity, thus characterizing the analyzed dwarf elephant grass genotypes as plants with high photosynthetic efficiency.Departamento de Zootecnia-Forragicultura e Pastagem Faculdade de Ciências Agrárias Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rod. MGT 367, Km 583, 5000, 39100-000, Diamantina, Minas GeraisLaboratório de Zootecnia e Nutrição Animal Centro de Ciências e Tecnologias Agropecuárias Universidade Estadual Do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de JaneiroLaboratório de Melhoramento Genético Vegetal-Fisiologia Vegetal Centro de Ciências e Tecnologias Agropecuárias Universidade Estadual Do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de JaneiroLaboratório de Fitotecnia Centro de Ciências e Tecnologias Agropecuárias Universidade Estadual Do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de JaneiroFaculdade de Medicina Veterinária e Zootecnia de Botucatu Universidade Estadual Paulista Júlio de Mesquita Filho Botucatu, São PauloFaculdade de Medicina Veterinária e Zootecnia de Botucatu Universidade Estadual Paulista Júlio de Mesquita Filho Botucatu, São PauloUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF)Universidade Estadual Paulista (Unesp)Do Carmo Araújo, Saulo AlbertoVasquez, Hernan MaldonadoCampostrini, EliemarNetto, Alena TorresDeminicis, Bruno BorgesDa Silva Lima, Érico [UNESP]2014-05-27T11:24:40Z2014-05-27T11:24:40Z2010-04-19info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1-7application/pdfhttp://dx.doi.org/10.4025/actascianimsci.v32i1.8961Acta Scientiarum - Animal Sciences, v. 32, n. 1, p. 1-7, 2010.1806-26361807-8672http://hdl.handle.net/11449/7165610.4025/actascianimsci.v32i1.89612-s2.0-779508353462-s2.0-77950835346.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporActa Scientiarum: Animal Sciences0,250info:eu-repo/semantics/openAccess2024-01-02T06:17:12Zoai:repositorio.unesp.br:11449/71656Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T21:54:41.193467Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions |
title |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
spellingShingle |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico Do Carmo Araújo, Saulo Alberto Photoinhibition Photosynthesis Stomatal conductance Transpiration Vapor pressure deficit Pennisetum glaucum Pennisetum purpureum |
title_short |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
title_full |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
title_fullStr |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
title_full_unstemmed |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
title_sort |
Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico |
author |
Do Carmo Araújo, Saulo Alberto |
author_facet |
Do Carmo Araújo, Saulo Alberto Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Da Silva Lima, Érico [UNESP] |
author_role |
author |
author2 |
Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Da Silva Lima, Érico [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM) Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Do Carmo Araújo, Saulo Alberto Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Da Silva Lima, Érico [UNESP] |
dc.subject.por.fl_str_mv |
Photoinhibition Photosynthesis Stomatal conductance Transpiration Vapor pressure deficit Pennisetum glaucum Pennisetum purpureum |
topic |
Photoinhibition Photosynthesis Stomatal conductance Transpiration Vapor pressure deficit Pennisetum glaucum Pennisetum purpureum |
description |
The experiment was carried out aiming to evaluate the gas exchange of dwarf elephant grass genotypes under different hydric conditions, in a randomized design with three replications. Genotypes of dwarf elephant grass (Mott, CNPGL 94-34-3 and CNPGL 92-198-7) were analyzed under two hydric conditions: irrigated (I) and non-irrigated (NI). Differences between treatments I and NI were observed for all genotypes for photosynthesis, stomatal conductance, transpiration and water vapor pressure deficit. Genotype CNPGL 94-34-3 presented highest tolerance to hydric stress, followed by Mott and CNPGL 92-198-7 genotypes. All genotypes presented high photosynthetic rate, under ideal conditions of soil humidity, thus characterizing the analyzed dwarf elephant grass genotypes as plants with high photosynthetic efficiency. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-04-19 2014-05-27T11:24:40Z 2014-05-27T11:24:40Z |
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/10.4025/actascianimsci.v32i1.8961 Acta Scientiarum - Animal Sciences, v. 32, n. 1, p. 1-7, 2010. 1806-2636 1807-8672 http://hdl.handle.net/11449/71656 10.4025/actascianimsci.v32i1.8961 2-s2.0-77950835346 2-s2.0-77950835346.pdf |
url |
http://dx.doi.org/10.4025/actascianimsci.v32i1.8961 http://hdl.handle.net/11449/71656 |
identifier_str_mv |
Acta Scientiarum - Animal Sciences, v. 32, n. 1, p. 1-7, 2010. 1806-2636 1807-8672 10.4025/actascianimsci.v32i1.8961 2-s2.0-77950835346 2-s2.0-77950835346.pdf |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Acta Scientiarum: Animal Sciences 0,250 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
1-7 application/pdf |
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 |
|
_version_ |
1808129372065890304 |