OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT
Autor(a) principal: | |
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Data de Publicação: | 2024 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista de Agricultura Neotropical |
Texto Completo: | https://periodicosonline.uems.br/index.php/agrineo/article/view/8288 |
Resumo: | The use of high-quality Urochloa decumbens seeds is an essential factor for the establishment of pastures, and osmopriming under stress conditions may improve seed performance. This study was conducted at the Universidade Federal de Viçosa in a completely randomized design and aimed to evaluate the effects of osmopriming and its relationship with physical and physiological attributes of U. decumbens seeds subjected to water deficit. Seeds from ten lots were primed in H2O (0 MPa) and PEG (−0.8 MPa), KNO3 (0.2%), and SNP (0.10 mmol L−1) solutions for 24 hours. Unprimed seeds were used as control. The seeds were evaluated in two trials after osmopriming. Trial I consisted of the X-ray test to evaluate physical attributes and germination and vigor tests. In Trial II, the seeds were placed to germinate under favorable (0 MPa) and water deficit conditions (−0.2 MPa) to evaluate physiological attributes. In general, osmopriming of U. decumbens seeds assisted in increasing physical attributes such as area, gray scale, perimeter, and tissue density. Osmopriming does not contribute to the best physiological performance of U. decumbens seeds under ideal germination conditions (0 MPa). However, osmopriming with SNP (0.10 mmol L−1) and PEG (−0.8 MPa) for 24 hours contributes to the better physiological performance of seeds under water deficit. |
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OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICITOsmocondicionamento e sua relação com a qualidade de sementes de Urochloa decumbens sob déficit hídricoImage analysisSeed primingWater stressForage speciesGerminationAnálise de imagensCondicionamento osmóticoEstresse hídricoEspécie forrageiraGerminaçãoThe use of high-quality Urochloa decumbens seeds is an essential factor for the establishment of pastures, and osmopriming under stress conditions may improve seed performance. This study was conducted at the Universidade Federal de Viçosa in a completely randomized design and aimed to evaluate the effects of osmopriming and its relationship with physical and physiological attributes of U. decumbens seeds subjected to water deficit. Seeds from ten lots were primed in H2O (0 MPa) and PEG (−0.8 MPa), KNO3 (0.2%), and SNP (0.10 mmol L−1) solutions for 24 hours. Unprimed seeds were used as control. The seeds were evaluated in two trials after osmopriming. Trial I consisted of the X-ray test to evaluate physical attributes and germination and vigor tests. In Trial II, the seeds were placed to germinate under favorable (0 MPa) and water deficit conditions (−0.2 MPa) to evaluate physiological attributes. In general, osmopriming of U. decumbens seeds assisted in increasing physical attributes such as area, gray scale, perimeter, and tissue density. Osmopriming does not contribute to the best physiological performance of U. decumbens seeds under ideal germination conditions (0 MPa). However, osmopriming with SNP (0.10 mmol L−1) and PEG (−0.8 MPa) for 24 hours contributes to the better physiological performance of seeds under water deficit.O uso de sementes de Urochloa decumbens de alta qualidade é um fator essencial para o estabelecimento das pastagens e o condicionamento osmótico, sob condições de estresse pode auxiliar no melhor desempenho das sementes. O trabalho foi conduzido na Universidade Federal de Viçosa, em delineamento inteiramente casualizado e teve como objetivo avaliar os efeitos do condicionamento osmótico e sua relação com os atributos físicos e fisiológicos das sementes de U. decumbens submetidas ao déficit hídrico. Sementes de 10 lotes foram condicionadas em H2O (0 MPa) e em soluções de PEG (−0,8 MPa), KNO3 (0,2%) e SNP (0,10 mmol L−1) por 24 h. Sementes não condicionadas foram utilizadas como controle. Após o condicionamento, as sementes foram avaliadas em dois ensaios. No Ensaio I, foi realizado o teste de raios X para avaliação de atributos físicos, testes de germinação e vigor. No Ensaio II, as sementes foram colocadas para germinar em condições favoráveis (0 MPa) e em situação de déficit hídrico (−0,2 MPa), avaliando-se atributos fisiológicos. Em geral, o condicionamento osmótico de sementes U. decumbens auxiliou para o aumento de atributos físicos como área, escala de cinza, perímetro e densidade tecidual. Em condições ideais de germinação (0 MPa), o condicionamento osmótico não contribui para o melhor desempenho fisiológico de sementes de U. decumbens. No entanto, o condicionamento osmótico com SNP (0,10 mmol L−1) e PEG (−0,8 MPa) por 24 h contribui para o melhor desempenho fisiológico das sementes sob déficit hídrico.Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia2024-03-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicosonline.uems.br/index.php/agrineo/article/view/828810.32404/rean.v11i1.8288Revista de Agricultura Neotropical; v. 11 n. 1 (2024): REVISTA DE AGRICULTURA NEOTROPICAL; e8288REVISTA DE AGRICULTURA NEOTROPICAL; Vol. 11 No. 1 (2024): REVISTA DE AGRICULTURA NEOTROPICAL; e82882358-6303reponame:Revista de Agricultura Neotropicalinstname:Universidade Estadual de Mato Grosso do Sul (UEMS)instacron:UEMSenghttps://periodicosonline.uems.br/index.php/agrineo/article/view/8288/6050https://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccess Peris, Gabriel Cordeiro de Oliveira Pinheiro, Daniel Teixeira Limão, Marcelo Augusto Rocha Souza, Lucas Rodrigues deRamos, Rafaela Martins Alves Dias, Denise Cunha Fernandes dos Santos2024-03-27T13:25:40Zoai:ojs.pkp.sfu.ca:article/8288Revistahttps://periodicosonline.uems.br/index.php/agrineoPUBhttps://periodicosonline.uems.br/index.php/agrineo/oaiagriculturaneotropical@uems.br || wellingthon.junnyor@uems.br2358-63032358-6303opendoar:2024-03-27T13:25:40Revista de Agricultura Neotropical - Universidade Estadual de Mato Grosso do Sul (UEMS)false |
dc.title.none.fl_str_mv |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT Osmocondicionamento e sua relação com a qualidade de sementes de Urochloa decumbens sob déficit hídrico |
title |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
spellingShingle |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT Peris, Gabriel Cordeiro de Oliveira Image analysis Seed priming Water stress Forage species Germination Análise de imagens Condicionamento osmótico Estresse hídrico Espécie forrageira Germinação |
title_short |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
title_full |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
title_fullStr |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
title_full_unstemmed |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
title_sort |
OSMOPRIMING AND ITS RELATIONSHIP WITH THE QUALITY OF Urochloa decumbens SEEDS UNDER WATER DEFICIT |
author |
Peris, Gabriel Cordeiro de Oliveira |
author_facet |
Peris, Gabriel Cordeiro de Oliveira Pinheiro, Daniel Teixeira Limão, Marcelo Augusto Rocha Souza, Lucas Rodrigues de Ramos, Rafaela Martins Alves Dias, Denise Cunha Fernandes dos Santos |
author_role |
author |
author2 |
Pinheiro, Daniel Teixeira Limão, Marcelo Augusto Rocha Souza, Lucas Rodrigues de Ramos, Rafaela Martins Alves Dias, Denise Cunha Fernandes dos Santos |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Peris, Gabriel Cordeiro de Oliveira Pinheiro, Daniel Teixeira Limão, Marcelo Augusto Rocha Souza, Lucas Rodrigues de Ramos, Rafaela Martins Alves Dias, Denise Cunha Fernandes dos Santos |
dc.subject.por.fl_str_mv |
Image analysis Seed priming Water stress Forage species Germination Análise de imagens Condicionamento osmótico Estresse hídrico Espécie forrageira Germinação |
topic |
Image analysis Seed priming Water stress Forage species Germination Análise de imagens Condicionamento osmótico Estresse hídrico Espécie forrageira Germinação |
description |
The use of high-quality Urochloa decumbens seeds is an essential factor for the establishment of pastures, and osmopriming under stress conditions may improve seed performance. This study was conducted at the Universidade Federal de Viçosa in a completely randomized design and aimed to evaluate the effects of osmopriming and its relationship with physical and physiological attributes of U. decumbens seeds subjected to water deficit. Seeds from ten lots were primed in H2O (0 MPa) and PEG (−0.8 MPa), KNO3 (0.2%), and SNP (0.10 mmol L−1) solutions for 24 hours. Unprimed seeds were used as control. The seeds were evaluated in two trials after osmopriming. Trial I consisted of the X-ray test to evaluate physical attributes and germination and vigor tests. In Trial II, the seeds were placed to germinate under favorable (0 MPa) and water deficit conditions (−0.2 MPa) to evaluate physiological attributes. In general, osmopriming of U. decumbens seeds assisted in increasing physical attributes such as area, gray scale, perimeter, and tissue density. Osmopriming does not contribute to the best physiological performance of U. decumbens seeds under ideal germination conditions (0 MPa). However, osmopriming with SNP (0.10 mmol L−1) and PEG (−0.8 MPa) for 24 hours contributes to the better physiological performance of seeds under water deficit. |
publishDate |
2024 |
dc.date.none.fl_str_mv |
2024-03-05 |
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://periodicosonline.uems.br/index.php/agrineo/article/view/8288 10.32404/rean.v11i1.8288 |
url |
https://periodicosonline.uems.br/index.php/agrineo/article/view/8288 |
identifier_str_mv |
10.32404/rean.v11i1.8288 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicosonline.uems.br/index.php/agrineo/article/view/8288/6050 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
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 |
Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia |
publisher.none.fl_str_mv |
Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia |
dc.source.none.fl_str_mv |
Revista de Agricultura Neotropical; v. 11 n. 1 (2024): REVISTA DE AGRICULTURA NEOTROPICAL; e8288 REVISTA DE AGRICULTURA NEOTROPICAL; Vol. 11 No. 1 (2024): REVISTA DE AGRICULTURA NEOTROPICAL; e8288 2358-6303 reponame:Revista de Agricultura Neotropical instname:Universidade Estadual de Mato Grosso do Sul (UEMS) instacron:UEMS |
instname_str |
Universidade Estadual de Mato Grosso do Sul (UEMS) |
instacron_str |
UEMS |
institution |
UEMS |
reponame_str |
Revista de Agricultura Neotropical |
collection |
Revista de Agricultura Neotropical |
repository.name.fl_str_mv |
Revista de Agricultura Neotropical - Universidade Estadual de Mato Grosso do Sul (UEMS) |
repository.mail.fl_str_mv |
agriculturaneotropical@uems.br || wellingthon.junnyor@uems.br |
_version_ |
1797051250081005568 |