Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.academicjournals.org/journal/SRE/article-abstract/BD98C4631329 http://hdl.handle.net/11449/141230 |
Resumo: | The aim of this study was to investigate (i) the influence of different sources and levels of potassium on photosynthetic pigments, (ii) measure nitrogen status in leaf, (iii) evaluate flower behavior in eggplant (Solanum melongena L.), and (iv) to identify a better potassium source to cultivation of this species. The experiment design used was in factorial scheme with randomized blocks, being composed by 2 potassium sources (KCl and K2SO4), combined with 4 levels of K2O (250, 500, 750 and 1000 kg ha-1). Nitrogen accumulation in leaf at 50 days after transplanting had a higher value with KCl compared with K2SO4. Results linked to aborted fruits presented similar effects to KCl and K2SO4. This study revealed that eggplant exposed to excess potassium did not have a negative effect on chlorophyll a and b, and nitrogen concentration in leaf was significantly modified due to increase in potassium level. In addition, greater levels of potassium produced negative consequences linked to flower and fruit abortion. Therefore, potassium source indicated for eggplant is potassium sulfate. |
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Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassiumSolanum melongena L.PotassiumFlowerPigmentsNutrition plantThe aim of this study was to investigate (i) the influence of different sources and levels of potassium on photosynthetic pigments, (ii) measure nitrogen status in leaf, (iii) evaluate flower behavior in eggplant (Solanum melongena L.), and (iv) to identify a better potassium source to cultivation of this species. The experiment design used was in factorial scheme with randomized blocks, being composed by 2 potassium sources (KCl and K2SO4), combined with 4 levels of K2O (250, 500, 750 and 1000 kg ha-1). Nitrogen accumulation in leaf at 50 days after transplanting had a higher value with KCl compared with K2SO4. Results linked to aborted fruits presented similar effects to KCl and K2SO4. This study revealed that eggplant exposed to excess potassium did not have a negative effect on chlorophyll a and b, and nitrogen concentration in leaf was significantly modified due to increase in potassium level. In addition, greater levels of potassium produced negative consequences linked to flower and fruit abortion. Therefore, potassium source indicated for eggplant is potassium sulfate.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Universidade Federal de Lavras (UFLA), Departamento de Ciência do Solo, Lavras, MG, BrasilUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Instituto de Biociências (IBB), Departamento de Química e Bioquímica, Botucatu, SP, BrasilUniversidade Federal Rural da Amazônia (UFRA), Núcleo de Pesquisa Vegetal Básica e Aplicada, Paragominas, PA, BrasilUniversidade Federal de São João Del-Rei (UFSJ), Sete Lagoas, MG, BrasilUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Instituto de Biociências (IBB), Departamento de Química e Bioquímica, Botucatu, SP, BrasilUniversidade Federal de Lavras (UFLA)Universidade Estadual Paulista (Unesp)Universidade Federal Rural da Amazônia (UFRA)Universidade Federal de São João Del-Rei (UFSJ)Marques, Douglas JoséBroetto, Fernando [UNESP]Lobato, Allan Klynger da SilvaSilva, Ernani Clarete daCarvalho, Janice Guedes deÁvila, Fabrício William deAlves, Gustavo Antonio RuffeilAndrade, Izabelle Pereira2016-07-07T12:37:26Z2016-07-07T12:37:26Z2012info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article67-74application/pdfhttp://www.academicjournals.org/journal/SRE/article-abstract/BD98C4631329Scientific Research and Essays, v. 8, n. 2, p. 67-74, 2012.1992-2248http://hdl.handle.net/11449/141230ISSN1992-2248-2012-08-02-67-74.pdf3964089477817663Currículo Lattesreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengScientific Research and Essaysinfo:eu-repo/semantics/openAccess2023-10-08T06:07:57Zoai:repositorio.unesp.br:11449/141230Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-10-08T06:07:57Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
title |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
spellingShingle |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium Marques, Douglas José Solanum melongena L. Potassium Flower Pigments Nutrition plant |
title_short |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
title_full |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
title_fullStr |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
title_full_unstemmed |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
title_sort |
Photosynthetic pigments, nitrogen status, and flower behavior in eggplant exposed to different sources and levels of potassium |
author |
Marques, Douglas José |
author_facet |
Marques, Douglas José Broetto, Fernando [UNESP] Lobato, Allan Klynger da Silva Silva, Ernani Clarete da Carvalho, Janice Guedes de Ávila, Fabrício William de Alves, Gustavo Antonio Ruffeil Andrade, Izabelle Pereira |
author_role |
author |
author2 |
Broetto, Fernando [UNESP] Lobato, Allan Klynger da Silva Silva, Ernani Clarete da Carvalho, Janice Guedes de Ávila, Fabrício William de Alves, Gustavo Antonio Ruffeil Andrade, Izabelle Pereira |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de Lavras (UFLA) Universidade Estadual Paulista (Unesp) Universidade Federal Rural da Amazônia (UFRA) Universidade Federal de São João Del-Rei (UFSJ) |
dc.contributor.author.fl_str_mv |
Marques, Douglas José Broetto, Fernando [UNESP] Lobato, Allan Klynger da Silva Silva, Ernani Clarete da Carvalho, Janice Guedes de Ávila, Fabrício William de Alves, Gustavo Antonio Ruffeil Andrade, Izabelle Pereira |
dc.subject.por.fl_str_mv |
Solanum melongena L. Potassium Flower Pigments Nutrition plant |
topic |
Solanum melongena L. Potassium Flower Pigments Nutrition plant |
description |
The aim of this study was to investigate (i) the influence of different sources and levels of potassium on photosynthetic pigments, (ii) measure nitrogen status in leaf, (iii) evaluate flower behavior in eggplant (Solanum melongena L.), and (iv) to identify a better potassium source to cultivation of this species. The experiment design used was in factorial scheme with randomized blocks, being composed by 2 potassium sources (KCl and K2SO4), combined with 4 levels of K2O (250, 500, 750 and 1000 kg ha-1). Nitrogen accumulation in leaf at 50 days after transplanting had a higher value with KCl compared with K2SO4. Results linked to aborted fruits presented similar effects to KCl and K2SO4. This study revealed that eggplant exposed to excess potassium did not have a negative effect on chlorophyll a and b, and nitrogen concentration in leaf was significantly modified due to increase in potassium level. In addition, greater levels of potassium produced negative consequences linked to flower and fruit abortion. Therefore, potassium source indicated for eggplant is potassium sulfate. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012 2016-07-07T12:37:26Z 2016-07-07T12:37:26Z |
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://www.academicjournals.org/journal/SRE/article-abstract/BD98C4631329 Scientific Research and Essays, v. 8, n. 2, p. 67-74, 2012. 1992-2248 http://hdl.handle.net/11449/141230 ISSN1992-2248-2012-08-02-67-74.pdf 3964089477817663 |
url |
http://www.academicjournals.org/journal/SRE/article-abstract/BD98C4631329 http://hdl.handle.net/11449/141230 |
identifier_str_mv |
Scientific Research and Essays, v. 8, n. 2, p. 67-74, 2012. 1992-2248 ISSN1992-2248-2012-08-02-67-74.pdf 3964089477817663 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Scientific Research and Essays |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
67-74 application/pdf |
dc.source.none.fl_str_mv |
Currículo Lattes 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 |
|
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1797789331156369408 |