Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Research, Society and Development |
Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/13904 |
Resumo: | The objective of this research was to evaluate the physiological development of seeds and seedlings of de paricá, (Schizolobium parahyba var. amazonicum (Huber x Ducke) Barneby), paineira (Ceiba speciosa (A.St. Hil ex Brako) Ravenna) and pau de balsa (Ochroma pyramidale (Cav. ex Lam.) Urb.), submitted to different levels of salinity by potassium chloride (KCl). The experimental design adopted was entirely randomized. The evaluation of the effect of salt stress was done by moistening the seeds in aqueous solutions of KCl at concentrations: 0; 25; 50; 75; 100 mM. The following variables were evaluated: germination, first count, germination speed index, aerial part length, root length, fresh and dry mass. It was observed that the seeds of paricá and paineira had their germination, germination speed index and first count, reduced as the concentrations of KCl increased. The seedlings presented reduction in root length, fresh mass and dry of the total length in a proportional way to the increase of the dosages, demonstrating intolerance of these species to high concentrations of KCl. The seeds and seedlings of pau de balsa with exception to the variables dry mass and first count, showed tolerance to the concentrations of KCl until reaching the maximum values close to 50mM of the treatment solution. |
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Physiological performance of seeds and seedlings of forest species submitted to salinity by KClComportamiento fisiológico de semillas y plántulas de especies forestales sometidas a salinidad por KClDesempenho fisiológico de sementes e plântulas de três espécies florestais submetidas à salinidade por KClDesenvolvimento vegetalIntolerânciaEstresse salino.Desarrollo vegetalIntolerânciaEstrés salino.Plant developmentIntoleranceSalt stress.The objective of this research was to evaluate the physiological development of seeds and seedlings of de paricá, (Schizolobium parahyba var. amazonicum (Huber x Ducke) Barneby), paineira (Ceiba speciosa (A.St. Hil ex Brako) Ravenna) and pau de balsa (Ochroma pyramidale (Cav. ex Lam.) Urb.), submitted to different levels of salinity by potassium chloride (KCl). The experimental design adopted was entirely randomized. The evaluation of the effect of salt stress was done by moistening the seeds in aqueous solutions of KCl at concentrations: 0; 25; 50; 75; 100 mM. The following variables were evaluated: germination, first count, germination speed index, aerial part length, root length, fresh and dry mass. It was observed that the seeds of paricá and paineira had their germination, germination speed index and first count, reduced as the concentrations of KCl increased. The seedlings presented reduction in root length, fresh mass and dry of the total length in a proportional way to the increase of the dosages, demonstrating intolerance of these species to high concentrations of KCl. The seeds and seedlings of pau de balsa with exception to the variables dry mass and first count, showed tolerance to the concentrations of KCl until reaching the maximum values close to 50mM of the treatment solution.El objetivo de esta investigación fue evaluar el desarrollo fisiológico de semillas y plántulas de paricá, (Schizolobium parahyba var. amazonicum (Huber x Ducke) Barneby), paineira (Ceiba speciosa (A.St. Hil ex Brako) Ravenna) y palo de balsa (Ochroma pyramidale (Cav. ex Lam.) Urb.), sometidas a diferentes niveles de salinidad por cloruro de potasio (KCl). El diseño experimental adoptado fue completamente al azar. La evaluación del efecto del estrés salino se realizó humedeciendo las semillas en soluciones acuosas de KCl en las concentraciones: 0; 25; 50; 75; 100 mm. Se evaluaron las variables: germinación, primer conteo, índice de velocidad de germinación, longitud de brote, longitud de raíz, masa fresca y seca. Se observó que las semillas de paricá y paineira tuvieron su germinación, índice de velocidad de germinación y primer conteo, reducidos a medida que aumentaron las concentraciones de KCl. Las plántulas mostraron una reducción en el largo de la raíz, masa fresca y seca del largo total que es proporcional al aumento de dosis, demostrando intolerancia de estas especies a altas concentraciones de KCl. Las semillas y plántulas de palo de balsa, con excepción de las variables masa seca y primer recuento, mostraron tolerancia a las concentraciones de KCl hasta alcanzar los valores máximos cercanos a los 50 mm de la solución de tratamiento.O objetivo desta pesquisa foi avaliar o desempenho fisiológico de sementes e plântulas de paricá, (Schizolobium parahyba var. amazonicum (Huber x Ducke) Barneby), paineira (Ceiba speciosa (A.St. Hil ex Brako) Ravenna) e pau de balsa (Ochroma pyramidale (Cav. ex Lam.) Urb.), submetidas a diferentes níveis de salinidade por cloreto de potássio (KCl). O delineamento experimental adotado foi inteiramente casualizado. A avaliação do efeito do estresse salino foi realizada por meio da umidificação das sementes em soluções aquosas de KCl nas concentrações: 0; 25; 50; 75; 100 mM. Foram avaliadas as variáveis: porcentagem de germinação, primeira contagem, índice de velocidade de germinação, comprimento da parte aérea, comprimento da raiz, massa fresca e seca. Foram observadas que as sementes de paricá e paineira-rosa possuíram sua germinação, índice de velocidade de germinação e a primeira contagem, reduzida conforme o aumento das concentrações de KCl. As plântulas apresentaram redução no comprimento da raiz, massa fresca e seca do comprimento total de maneira proporcional ao aumento das dosagens, demonstrando intolerância dessas espécies a altas concentrações de KCl. As sementes e plântulas de pau de balsa com exceção as variáveis massa seca e primeira contagem, apresentaram tolerância as concentrações de KCl até alcançar os valores máximo próximos a 50mM da solução tratamento.Research, Society and Development2021-04-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/1390410.33448/rsd-v10i4.13904Research, Society and Development; Vol. 10 No. 4; e33210413904Research, Society and Development; Vol. 10 Núm. 4; e33210413904Research, Society and Development; v. 10 n. 4; e332104139042525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIporhttps://rsdjournal.org/index.php/rsd/article/view/13904/12737Copyright (c) 2021 Andrezza Lorena Queiroz Pamplona; Evilin Nascimento Costa; Juliane Silva Brasil Carvalho; Sebastião Rodrigo do Remédio Souza de Oliveira; Sara Souza de Jesus de Oliveira; Carla Topázio Gomes das Chagas; Henry Albert Werner; Denes de Souza Barros; Vanessa Mayara Souza Pamplona; Bárbara Rodrigues de Quadroshttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessPamplona, Andrezza Lorena Queiroz Costa, Evilin NascimentoCarvalho, Juliane Silva BrasilOliveira, Sebastião Rodrigo do Remédio Souza deOliveira, Sara Souza de Jesus deChagas, Carla Topázio Gomes dasWerner, Henry AlbertBarros, Denes de SouzaPamplona, Vanessa Mayara SouzaQuadros, Bárbara Rodrigues de2021-04-25T11:21:26Zoai:ojs.pkp.sfu.ca:article/13904Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:35:09.256151Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
dc.title.none.fl_str_mv |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl Comportamiento fisiológico de semillas y plántulas de especies forestales sometidas a salinidad por KCl Desempenho fisiológico de sementes e plântulas de três espécies florestais submetidas à salinidade por KCl |
title |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
spellingShingle |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl Pamplona, Andrezza Lorena Queiroz Desenvolvimento vegetal Intolerância Estresse salino. Desarrollo vegetal Intolerância Estrés salino. Plant development Intolerance Salt stress. |
title_short |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
title_full |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
title_fullStr |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
title_full_unstemmed |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
title_sort |
Physiological performance of seeds and seedlings of forest species submitted to salinity by KCl |
author |
Pamplona, Andrezza Lorena Queiroz |
author_facet |
Pamplona, Andrezza Lorena Queiroz Costa, Evilin Nascimento Carvalho, Juliane Silva Brasil Oliveira, Sebastião Rodrigo do Remédio Souza de Oliveira, Sara Souza de Jesus de Chagas, Carla Topázio Gomes das Werner, Henry Albert Barros, Denes de Souza Pamplona, Vanessa Mayara Souza Quadros, Bárbara Rodrigues de |
author_role |
author |
author2 |
Costa, Evilin Nascimento Carvalho, Juliane Silva Brasil Oliveira, Sebastião Rodrigo do Remédio Souza de Oliveira, Sara Souza de Jesus de Chagas, Carla Topázio Gomes das Werner, Henry Albert Barros, Denes de Souza Pamplona, Vanessa Mayara Souza Quadros, Bárbara Rodrigues de |
author2_role |
author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Pamplona, Andrezza Lorena Queiroz Costa, Evilin Nascimento Carvalho, Juliane Silva Brasil Oliveira, Sebastião Rodrigo do Remédio Souza de Oliveira, Sara Souza de Jesus de Chagas, Carla Topázio Gomes das Werner, Henry Albert Barros, Denes de Souza Pamplona, Vanessa Mayara Souza Quadros, Bárbara Rodrigues de |
dc.subject.por.fl_str_mv |
Desenvolvimento vegetal Intolerância Estresse salino. Desarrollo vegetal Intolerância Estrés salino. Plant development Intolerance Salt stress. |
topic |
Desenvolvimento vegetal Intolerância Estresse salino. Desarrollo vegetal Intolerância Estrés salino. Plant development Intolerance Salt stress. |
description |
The objective of this research was to evaluate the physiological development of seeds and seedlings of de paricá, (Schizolobium parahyba var. amazonicum (Huber x Ducke) Barneby), paineira (Ceiba speciosa (A.St. Hil ex Brako) Ravenna) and pau de balsa (Ochroma pyramidale (Cav. ex Lam.) Urb.), submitted to different levels of salinity by potassium chloride (KCl). The experimental design adopted was entirely randomized. The evaluation of the effect of salt stress was done by moistening the seeds in aqueous solutions of KCl at concentrations: 0; 25; 50; 75; 100 mM. The following variables were evaluated: germination, first count, germination speed index, aerial part length, root length, fresh and dry mass. It was observed that the seeds of paricá and paineira had their germination, germination speed index and first count, reduced as the concentrations of KCl increased. The seedlings presented reduction in root length, fresh mass and dry of the total length in a proportional way to the increase of the dosages, demonstrating intolerance of these species to high concentrations of KCl. The seeds and seedlings of pau de balsa with exception to the variables dry mass and first count, showed tolerance to the concentrations of KCl until reaching the maximum values close to 50mM of the treatment solution. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-04-12 |
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://rsdjournal.org/index.php/rsd/article/view/13904 10.33448/rsd-v10i4.13904 |
url |
https://rsdjournal.org/index.php/rsd/article/view/13904 |
identifier_str_mv |
10.33448/rsd-v10i4.13904 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/13904/12737 |
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 |
Research, Society and Development |
publisher.none.fl_str_mv |
Research, Society and Development |
dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 10 No. 4; e33210413904 Research, Society and Development; Vol. 10 Núm. 4; e33210413904 Research, Society and Development; v. 10 n. 4; e33210413904 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
instname_str |
Universidade Federal de Itajubá (UNIFEI) |
instacron_str |
UNIFEI |
institution |
UNIFEI |
reponame_str |
Research, Society and Development |
collection |
Research, Society and Development |
repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
repository.mail.fl_str_mv |
rsd.articles@gmail.com |
_version_ |
1797052806003163136 |