Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Pesquisa Agropecuária Brasileira (Online) |
Texto Completo: | https://seer.sct.embrapa.br/index.php/pab/article/view/25356 |
Resumo: | The objective of this work was to evaluate the effect of silicon fertilization on gas exchange, leaf anatomy, and ultrastructural characteristics of passion fruit (Passiflora edulis). The treatments comprised four concentrations of silicon (0, 0.28, 0.55, and 0.83 g per pot) at 1% silicic acid solution (SiO2.XH2O). This solution was applied around the stems of the plants. The first application was made 15 days after seedlings were transplanted. In total, three applications were made at 15-day intervals. The pots that constituted the control treatment received water in the same amount. After the final application, the plants were subjected to analyses of gas exchange, anatomical changes, and ultrastructural characteristics. The use of silicon promotes anatomical changes in passion fruit seedlings, such as increased adaxial epidermis thickness, reduced palisade parenchyma, and increased polar diameter/equatorial diameter ratio, which is related to stomata functionality. The concentrations of 0.55 and 0.83 g silicon per pot provide higher rates of photosynthesis, of transpiration, and stomatal conductance. The concentration of 0.83 g silicon per pot results in the greatest deposition of silicon in the abaxial epidermis of leaf surface. |
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Morpho-anatomical and physiological alterations of passion fruit fertilized with siliconModificações morfoanatômicas e fisiológicas de maracujazeiro fertilizado com silícioPassiflora edulis; photosynthetic rate; silicic acid; ultrastructural featuresPassiflora edulis; taxa fotossintética; ácido silícico; características ultraestruturaisThe objective of this work was to evaluate the effect of silicon fertilization on gas exchange, leaf anatomy, and ultrastructural characteristics of passion fruit (Passiflora edulis). The treatments comprised four concentrations of silicon (0, 0.28, 0.55, and 0.83 g per pot) at 1% silicic acid solution (SiO2.XH2O). This solution was applied around the stems of the plants. The first application was made 15 days after seedlings were transplanted. In total, three applications were made at 15-day intervals. The pots that constituted the control treatment received water in the same amount. After the final application, the plants were subjected to analyses of gas exchange, anatomical changes, and ultrastructural characteristics. The use of silicon promotes anatomical changes in passion fruit seedlings, such as increased adaxial epidermis thickness, reduced palisade parenchyma, and increased polar diameter/equatorial diameter ratio, which is related to stomata functionality. The concentrations of 0.55 and 0.83 g silicon per pot provide higher rates of photosynthesis, of transpiration, and stomatal conductance. The concentration of 0.83 g silicon per pot results in the greatest deposition of silicon in the abaxial epidermis of leaf surface.O objetivo deste trabalho foi avaliar o efeito da adubação silicatada nas trocas gasosas, na anatomia foliar e nas características ultraestruturais de maracujazeiro (Passiflora edulis). Os tratamentos consistiram em quatro concentrações (0, 0,28, 0,55, e 0,83 g por vaso) de silício, na forma de solução de ácido silícico (SiO2.XH2O) a 1%. Esta solução foi aplicada ao redor do caule das plantas. A primeira aplicação foi realizada 15 dias após o transplantio das mudas. No total, foram realizadas três aplicações, em intervalos de 15 dias. Os vasos que constituíram o controle (testemunha) receberam água na mesma quantidade. Após a última aplicação, as plantas foram submetidas a análises de trocas gasosas, alterações anatômicas e características ultraestruturais. O uso de silício promove mudanças anatômicas em mudas de maracujazeiro, como o aumento da espessura da epiderme adaxial, a redução do parênquima paliçádico e a maior relação diâmetro polar/diâmetro equatorial, que está relacionada à funcionalidade dos estômatos. As concentrações de 0,55 e 0,83 g de silício por vaso proporcionam maiores taxas fotossintéticas, de transpiração e de condutância estomática das mudas de maracujazeiro. A concentração de 0,83 g de silício por vaso proporciona maior deposição de silício na epiderme abaxial da superfície foliar.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Laboratório de Microscopia Eletrônica of Universidade Federal de LavrasCosta, Bárbara Nogueira SouzaCosta, Irton de Jesus SilvaDias, Gabrielen de Maria GomesAssis, Franscinely Aparecida dePio, Leila Aparecida SallesSoares, Joyce Dória RodriguesPasqual, Moacir2018-03-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/25356Pesquisa Agropecuaria Brasileira; v.53, n.2, fev. 2018; 163-171Pesquisa Agropecuária Brasileira; v.53, n.2, fev. 2018; 163-1711678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://seer.sct.embrapa.br/index.php/pab/article/view/25356/14080https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/25356/17113Direitos autorais 2018 Pesquisa Agropecuária Brasileirainfo:eu-repo/semantics/openAccess2018-03-16T20:48:08Zoai:ojs.seer.sct.embrapa.br:article/25356Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2018-03-16T20:48:08Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon Modificações morfoanatômicas e fisiológicas de maracujazeiro fertilizado com silício |
title |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
spellingShingle |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon Costa, Bárbara Nogueira Souza Passiflora edulis; photosynthetic rate; silicic acid; ultrastructural features Passiflora edulis; taxa fotossintética; ácido silícico; características ultraestruturais |
title_short |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
title_full |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
title_fullStr |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
title_full_unstemmed |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
title_sort |
Morpho-anatomical and physiological alterations of passion fruit fertilized with silicon |
author |
Costa, Bárbara Nogueira Souza |
author_facet |
Costa, Bárbara Nogueira Souza Costa, Irton de Jesus Silva Dias, Gabrielen de Maria Gomes Assis, Franscinely Aparecida de Pio, Leila Aparecida Salles Soares, Joyce Dória Rodrigues Pasqual, Moacir |
author_role |
author |
author2 |
Costa, Irton de Jesus Silva Dias, Gabrielen de Maria Gomes Assis, Franscinely Aparecida de Pio, Leila Aparecida Salles Soares, Joyce Dória Rodrigues Pasqual, Moacir |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Laboratório de Microscopia Eletrônica of Universidade Federal de Lavras |
dc.contributor.author.fl_str_mv |
Costa, Bárbara Nogueira Souza Costa, Irton de Jesus Silva Dias, Gabrielen de Maria Gomes Assis, Franscinely Aparecida de Pio, Leila Aparecida Salles Soares, Joyce Dória Rodrigues Pasqual, Moacir |
dc.subject.por.fl_str_mv |
Passiflora edulis; photosynthetic rate; silicic acid; ultrastructural features Passiflora edulis; taxa fotossintética; ácido silícico; características ultraestruturais |
topic |
Passiflora edulis; photosynthetic rate; silicic acid; ultrastructural features Passiflora edulis; taxa fotossintética; ácido silícico; características ultraestruturais |
description |
The objective of this work was to evaluate the effect of silicon fertilization on gas exchange, leaf anatomy, and ultrastructural characteristics of passion fruit (Passiflora edulis). The treatments comprised four concentrations of silicon (0, 0.28, 0.55, and 0.83 g per pot) at 1% silicic acid solution (SiO2.XH2O). This solution was applied around the stems of the plants. The first application was made 15 days after seedlings were transplanted. In total, three applications were made at 15-day intervals. The pots that constituted the control treatment received water in the same amount. After the final application, the plants were subjected to analyses of gas exchange, anatomical changes, and ultrastructural characteristics. The use of silicon promotes anatomical changes in passion fruit seedlings, such as increased adaxial epidermis thickness, reduced palisade parenchyma, and increased polar diameter/equatorial diameter ratio, which is related to stomata functionality. The concentrations of 0.55 and 0.83 g silicon per pot provide higher rates of photosynthesis, of transpiration, and stomatal conductance. The concentration of 0.83 g silicon per pot results in the greatest deposition of silicon in the abaxial epidermis of leaf surface. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-03-16 |
dc.type.none.fl_str_mv |
|
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://seer.sct.embrapa.br/index.php/pab/article/view/25356 |
url |
https://seer.sct.embrapa.br/index.php/pab/article/view/25356 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/25356/14080 https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/25356/17113 |
dc.rights.driver.fl_str_mv |
Direitos autorais 2018 Pesquisa Agropecuária Brasileira info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Direitos autorais 2018 Pesquisa Agropecuária Brasileira |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
publisher.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
dc.source.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira; v.53, n.2, fev. 2018; 163-171 Pesquisa Agropecuária Brasileira; v.53, n.2, fev. 2018; 163-171 1678-3921 0100-104x reponame:Pesquisa Agropecuária Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Agropecuária Brasileira (Online) |
collection |
Pesquisa Agropecuária Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pab@sct.embrapa.br || sct.pab@embrapa.br |
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1793416709086904320 |