Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por eng |
Título da fonte: | Acta Scientiarum. Animal Sciences (Online) |
Texto Completo: | https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961 |
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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Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico - DOI: 10.4025/actascianimsci.v32i1.8961stomatal conductancevapor pressure deficitphotoinhibitionphotosynthesistranspirationcondutância estomáticadéficit de pressão de vaporfotoinibiçãofotossíntesetranspiraçãoZootecniaThe 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.O experimento foi realizado com o objetivo de avaliar as trocas gasosas de genótipos de capim-elefante anão, em diferentes condições hídricas. O delineamento experimental foi inteiramente casualizado com três repetições. Foram avaliados três genótipos de capim-elefante anão (Mott, CNPGL 94-34-3 e CNPGL 92-198-7) em duas condições de umidade do solo: irrigado (I) e não-irrigado (NI). Foi observada diferença entre os tratamentos I e NI para todos os genótipos em relação à taxa fotossintética, condutância estomática, transpiração e déficit de pressão de vapor. O genótipo CNPGL 94-34-3 apresentou maior tolerância ao estresse hídrico, seguido pelos genótipos Mott e CNPGL 92-198-7. Todos os genótipos avaliados apresentaram, em condições ideais de umidade do solo, alta taxa fotossintética, caracterizando, deste modo, os genótipos estudados como plantas de elevada eficiência fotossintética.Editora da Universidade Estadual de Maringá2010-03-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionpesquisa de campoapplication/pdfapplication/pdfhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/896110.4025/actascianimsci.v32i1.8961Acta Scientiarum. Animal Sciences; Vol 32 No 1 (2010); 1-7Acta Scientiarum. Animal Sciences; v. 32 n. 1 (2010); 1-71807-86721806-2636reponame:Acta Scientiarum. Animal Sciences (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporenghttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961/8961https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961/5648Araújo, Saulo Alberto do CarmoVasquez, Hernan MaldonadoCampostrini, EliemarNetto, Alena TorresDeminicis, Bruno BorgesLima, Érico da Silvainfo:eu-repo/semantics/openAccess2024-05-17T13:04:16Zoai:periodicos.uem.br/ojs:article/8961Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSci/oaiactaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com1807-86721806-2636opendoar:2024-05-17T13:04:16Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 Características fotossintéticas de genótipos de capim-elefante anão (Pennisetum purpureum Schum.), em estresse hídrico - DOI: 10.4025/actascianimsci.v32i1.8961 |
title |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
spellingShingle |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 Araújo, Saulo Alberto do Carmo stomatal conductance vapor pressure deficit photoinhibition photosynthesis transpiration condutância estomática déficit de pressão de vapor fotoinibição fotossíntese transpiração Zootecnia |
title_short |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
title_full |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
title_fullStr |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
title_full_unstemmed |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
title_sort |
Photosynthetic characteristics of dwarf elephant grass (Pennisetum purpureum Schum.) genotypes under different hydric conditions - DOI: 10.4025/actascianimsci.v32i1.8961 |
author |
Araújo, Saulo Alberto do Carmo |
author_facet |
Araújo, Saulo Alberto do Carmo Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Lima, Érico da Silva |
author_role |
author |
author2 |
Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Lima, Érico da Silva |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Araújo, Saulo Alberto do Carmo Vasquez, Hernan Maldonado Campostrini, Eliemar Netto, Alena Torres Deminicis, Bruno Borges Lima, Érico da Silva |
dc.subject.por.fl_str_mv |
stomatal conductance vapor pressure deficit photoinhibition photosynthesis transpiration condutância estomática déficit de pressão de vapor fotoinibição fotossíntese transpiração Zootecnia |
topic |
stomatal conductance vapor pressure deficit photoinhibition photosynthesis transpiration condutância estomática déficit de pressão de vapor fotoinibição fotossíntese transpiração Zootecnia |
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 |
2010-03-22 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion pesquisa de campo |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961 10.4025/actascianimsci.v32i1.8961 |
url |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961 |
identifier_str_mv |
10.4025/actascianimsci.v32i1.8961 |
dc.language.iso.fl_str_mv |
por eng |
language |
por eng |
dc.relation.none.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961/8961 https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/8961/5648 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Animal Sciences; Vol 32 No 1 (2010); 1-7 Acta Scientiarum. Animal Sciences; v. 32 n. 1 (2010); 1-7 1807-8672 1806-2636 reponame:Acta Scientiarum. Animal Sciences (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. Animal Sciences (Online) |
collection |
Acta Scientiarum. Animal Sciences (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com |
_version_ |
1799315359779520512 |