Appropriate hydration period and chemical agent improve priming in brachiaria seeds
Autor(a) principal: | |
---|---|
Data de Publicação: | 2016 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/1983-40632016v4638422 http://hdl.handle.net/11449/212134 |
Resumo: | Priming is an alternative to improve the performance of seeds that have germination problems, such as Urochloa brizantha seeds. This study aimed at evaluating the appropriate hydration period and chemical agents used for priming, via direct immersion, in the physiological quality and carbohydrate content of U. brizantha seeds. The experimental design was completely randomized, in a 3 x 4 factorial arrangement, with four replicates of each treatment, consisting of lower, median and higher hydration periods, in the phase II of the absorption curve, and agents used for priming: water, gibberellin, sucrose and antioxidant (riboflavin). Germination and vigor tests were carried out, as well as carbohydrate contents determination, in the seeds. It was observed that seeds hydrated in the lower period show higher physiological potential. Priming with gibberellin provides a greater seedling emergence, and with sucrose higher carbohydrate contents. |
id |
UNSP_88cfe47a55f102583ba7c92c94a0b862 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/212134 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
Appropriate hydration period and chemical agent improve priming in brachiaria seedsPeríodo de hidratação e agente químico adequados beneficiam o condicionamento fisiológico em sementes de braquiáriaUrochoa brizanthagibberellinsucroseriboflavinUrochloa brizanthagiberelinasacaroseriboflavinaPriming is an alternative to improve the performance of seeds that have germination problems, such as Urochloa brizantha seeds. This study aimed at evaluating the appropriate hydration period and chemical agents used for priming, via direct immersion, in the physiological quality and carbohydrate content of U. brizantha seeds. The experimental design was completely randomized, in a 3 x 4 factorial arrangement, with four replicates of each treatment, consisting of lower, median and higher hydration periods, in the phase II of the absorption curve, and agents used for priming: water, gibberellin, sucrose and antioxidant (riboflavin). Germination and vigor tests were carried out, as well as carbohydrate contents determination, in the seeds. It was observed that seeds hydrated in the lower period show higher physiological potential. Priming with gibberellin provides a greater seedling emergence, and with sucrose higher carbohydrate contents.O condicionamento fisiológico é uma alternativa para melhoria do desempenho de sementes que apresentam problemas de germinação, como é o caso das sementes de Urochloa brizantha. Objetivou-se estudar o período adequado de hidratação e agentes químicos empregados no condicionamento fisiológico, via imersão direta, na qualidade fisiológica e teor de carboidratos, em sementes de U. brizantha. O delineamento experimental utilizado foi o inteiramente casualizado, em esquema fatorial 3 x 4, com quatro repetições de cada tratamento, constituído por períodos de hidratação inferior, mediano e superior, na fase II da curva de absorção, e agentes empregados no condicionamento: água, giberelina, sacarose e antioxidante (riboflavina). Foram realizados testes de germinação e vigor, além de teor de carboidratos, nas sementes. Verificou-se que sementes hidratadas no período inferior apresentam maior potencial fisiológico. O condicionamento com giberelina propicia maior emergência de plântulas, e com sacarose maior teor de carboidratos.UNIVERSAL-MSUniversidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências AgronômicasUniversidade Estadual de Mato Grosso do SulUniversidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências AgronômicasUNIVERSAL-MS: 23/200.480/2014Escola de Agronomia e Engenharia de Alimentos/UFGUniversidade Estadual Paulista (Unesp)Universidade Estadual de Mato Grosso do SulBatista, Thiago Barbosa [UNESP]Binotti, Flávio Ferreira Da SilvaCardoso, Eliana DuarteCosta, EdilsonNascimento, Daniele Maria Do [UNESP]2021-07-14T10:35:09Z2021-07-14T10:35:09Z2016info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article350-356application/pdfhttp://dx.doi.org/10.1590/1983-40632016v4638422Pesquisa Agropecuária Tropical. Escola de Agronomia e Engenharia de Alimentos/UFG, v. 46, n. 3, p. 350-356, 2016.1983-4063http://hdl.handle.net/11449/21213410.1590/1983-40632016v4638422S1983-40632016000300350S1983-40632016000300350.pdfSciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPesquisa Agropecuária Tropicalinfo:eu-repo/semantics/openAccess2023-12-02T06:11:59Zoai:repositorio.unesp.br:11449/212134Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-12-02T06:11:59Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds Período de hidratação e agente químico adequados beneficiam o condicionamento fisiológico em sementes de braquiária |
title |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
spellingShingle |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds Batista, Thiago Barbosa [UNESP] Urochoa brizantha gibberellin sucrose riboflavin Urochloa brizantha giberelina sacarose riboflavina |
title_short |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
title_full |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
title_fullStr |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
title_full_unstemmed |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
title_sort |
Appropriate hydration period and chemical agent improve priming in brachiaria seeds |
author |
Batista, Thiago Barbosa [UNESP] |
author_facet |
Batista, Thiago Barbosa [UNESP] Binotti, Flávio Ferreira Da Silva Cardoso, Eliana Duarte Costa, Edilson Nascimento, Daniele Maria Do [UNESP] |
author_role |
author |
author2 |
Binotti, Flávio Ferreira Da Silva Cardoso, Eliana Duarte Costa, Edilson Nascimento, Daniele Maria Do [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Estadual de Mato Grosso do Sul |
dc.contributor.author.fl_str_mv |
Batista, Thiago Barbosa [UNESP] Binotti, Flávio Ferreira Da Silva Cardoso, Eliana Duarte Costa, Edilson Nascimento, Daniele Maria Do [UNESP] |
dc.subject.por.fl_str_mv |
Urochoa brizantha gibberellin sucrose riboflavin Urochloa brizantha giberelina sacarose riboflavina |
topic |
Urochoa brizantha gibberellin sucrose riboflavin Urochloa brizantha giberelina sacarose riboflavina |
description |
Priming is an alternative to improve the performance of seeds that have germination problems, such as Urochloa brizantha seeds. This study aimed at evaluating the appropriate hydration period and chemical agents used for priming, via direct immersion, in the physiological quality and carbohydrate content of U. brizantha seeds. The experimental design was completely randomized, in a 3 x 4 factorial arrangement, with four replicates of each treatment, consisting of lower, median and higher hydration periods, in the phase II of the absorption curve, and agents used for priming: water, gibberellin, sucrose and antioxidant (riboflavin). Germination and vigor tests were carried out, as well as carbohydrate contents determination, in the seeds. It was observed that seeds hydrated in the lower period show higher physiological potential. Priming with gibberellin provides a greater seedling emergence, and with sucrose higher carbohydrate contents. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016 2021-07-14T10:35:09Z 2021-07-14T10:35:09Z |
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/10.1590/1983-40632016v4638422 Pesquisa Agropecuária Tropical. Escola de Agronomia e Engenharia de Alimentos/UFG, v. 46, n. 3, p. 350-356, 2016. 1983-4063 http://hdl.handle.net/11449/212134 10.1590/1983-40632016v4638422 S1983-40632016000300350 S1983-40632016000300350.pdf |
url |
http://dx.doi.org/10.1590/1983-40632016v4638422 http://hdl.handle.net/11449/212134 |
identifier_str_mv |
Pesquisa Agropecuária Tropical. Escola de Agronomia e Engenharia de Alimentos/UFG, v. 46, n. 3, p. 350-356, 2016. 1983-4063 10.1590/1983-40632016v4638422 S1983-40632016000300350 S1983-40632016000300350.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Pesquisa Agropecuária Tropical |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
350-356 application/pdf |
dc.publisher.none.fl_str_mv |
Escola de Agronomia e Engenharia de Alimentos/UFG |
publisher.none.fl_str_mv |
Escola de Agronomia e Engenharia de Alimentos/UFG |
dc.source.none.fl_str_mv |
SciELO 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_ |
1797789877982461952 |