Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/1678-4499.20200203 http://hdl.handle.net/11449/197276 |
Resumo: | Sweet potato [Ipomoea batatas (L.) Lam.] has wide adaptability to different climatic conditions. However, its yield can be affected by prolonged periods of drought. Application of exogenous jasmonates can modulate several physiological and biochemical processes, improving plant tolerance to abiotic stress. This study sought to evaluate the role of exogenous application of methyl jasmonate (MeJA) in attenuating the adverse effects of drought stress by physiobiochemical analyses and their impact during the early initiation of tuberous roots. The experimental design was completely randomized and arranged in a 2 x 2 factorial, comprised of two concentrations of a MeJA plant regulator [without (0 mmol.L-1)and with (13 mmol.L-1) application] and two water regimes (optimum and drought conditions, corresponding to a field capacity of 100 and 40%, respectively). Plants treated with MeJA showed a reduction in total leaf area and leaf dry biomass but increased adventitious root dry biomass. In addition, MeJA application in sweet potato plants affected photosynthetic performance and increased and antioxidant phenolic compounds, carotenoids, anthocyanins,and proline. The evaluated response mechanisms showed that the severity of drought was more prominent than the positive effects of MeJA, since the increases on antioxidant pigments and secondary metabolites were not sufficient to mitigate stress caused by drought, which was reflected in the reduced tuberous root production. |
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Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to droughtphotosynthetic performancephenylalanine ammonia lyasetuberous rootsIpomoea batatas (L.)Sweet potato [Ipomoea batatas (L.) Lam.] has wide adaptability to different climatic conditions. However, its yield can be affected by prolonged periods of drought. Application of exogenous jasmonates can modulate several physiological and biochemical processes, improving plant tolerance to abiotic stress. This study sought to evaluate the role of exogenous application of methyl jasmonate (MeJA) in attenuating the adverse effects of drought stress by physiobiochemical analyses and their impact during the early initiation of tuberous roots. The experimental design was completely randomized and arranged in a 2 x 2 factorial, comprised of two concentrations of a MeJA plant regulator [without (0 mmol.L-1)and with (13 mmol.L-1) application] and two water regimes (optimum and drought conditions, corresponding to a field capacity of 100 and 40%, respectively). Plants treated with MeJA showed a reduction in total leaf area and leaf dry biomass but increased adventitious root dry biomass. In addition, MeJA application in sweet potato plants affected photosynthetic performance and increased and antioxidant phenolic compounds, carotenoids, anthocyanins,and proline. The evaluated response mechanisms showed that the severity of drought was more prominent than the positive effects of MeJA, since the increases on antioxidant pigments and secondary metabolites were not sufficient to mitigate stress caused by drought, which was reflected in the reduced tuberous root production.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Univ Oeste Paulista, Ctr Estudos Ecofisiol Vegetal Oeste Paulista, Presidente Prudente, SP, BrazilUniv Estadual Paulista, Fac Engn, Dept Biol & Zootecnia, Ilha Solteira, SP, BrazilFac Gammon, Dept Agron, Paraguacu Paulista, SP, BrazilUniv Estadual Paulista, Fac Engn, Dept Biol & Zootecnia, Ilha Solteira, SP, BrazilInst AgronomicoUniv Oeste PaulistaUniversidade Estadual Paulista (Unesp)Fac GammonPereira Yoshida, Camila HatsuPacheco, Ana ClaudiaLapaz, Allan de Marcos [UNESP]Gorni, Pedro HenriqueVitolo, Hilton FabricioBertoli, Suzana Chiari2020-12-10T20:11:45Z2020-12-10T20:11:45Z2020-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article319-334application/pdfhttp://dx.doi.org/10.1590/1678-4499.20200203Bragantia. Campinas: Inst Agronomico, v. 79, n. 3, p. 319-334, 2020.0006-8705http://hdl.handle.net/11449/19727610.1590/1678-4499.20200203S0006-87052020000300319WOS:000565782100002S0006-87052020000300319.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBragantiainfo:eu-repo/semantics/openAccess2024-07-04T15:32:23Zoai:repositorio.unesp.br:11449/197276Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:35:10.449265Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
title |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
spellingShingle |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought Pereira Yoshida, Camila Hatsu photosynthetic performance phenylalanine ammonia lyase tuberous roots Ipomoea batatas (L.) |
title_short |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
title_full |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
title_fullStr |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
title_full_unstemmed |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
title_sort |
Methyl jasmonate modulation reduces photosynthesis and induces synthesis of phenolic compounds in sweet potatoes subjected to drought |
author |
Pereira Yoshida, Camila Hatsu |
author_facet |
Pereira Yoshida, Camila Hatsu Pacheco, Ana Claudia Lapaz, Allan de Marcos [UNESP] Gorni, Pedro Henrique Vitolo, Hilton Fabricio Bertoli, Suzana Chiari |
author_role |
author |
author2 |
Pacheco, Ana Claudia Lapaz, Allan de Marcos [UNESP] Gorni, Pedro Henrique Vitolo, Hilton Fabricio Bertoli, Suzana Chiari |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Univ Oeste Paulista Universidade Estadual Paulista (Unesp) Fac Gammon |
dc.contributor.author.fl_str_mv |
Pereira Yoshida, Camila Hatsu Pacheco, Ana Claudia Lapaz, Allan de Marcos [UNESP] Gorni, Pedro Henrique Vitolo, Hilton Fabricio Bertoli, Suzana Chiari |
dc.subject.por.fl_str_mv |
photosynthetic performance phenylalanine ammonia lyase tuberous roots Ipomoea batatas (L.) |
topic |
photosynthetic performance phenylalanine ammonia lyase tuberous roots Ipomoea batatas (L.) |
description |
Sweet potato [Ipomoea batatas (L.) Lam.] has wide adaptability to different climatic conditions. However, its yield can be affected by prolonged periods of drought. Application of exogenous jasmonates can modulate several physiological and biochemical processes, improving plant tolerance to abiotic stress. This study sought to evaluate the role of exogenous application of methyl jasmonate (MeJA) in attenuating the adverse effects of drought stress by physiobiochemical analyses and their impact during the early initiation of tuberous roots. The experimental design was completely randomized and arranged in a 2 x 2 factorial, comprised of two concentrations of a MeJA plant regulator [without (0 mmol.L-1)and with (13 mmol.L-1) application] and two water regimes (optimum and drought conditions, corresponding to a field capacity of 100 and 40%, respectively). Plants treated with MeJA showed a reduction in total leaf area and leaf dry biomass but increased adventitious root dry biomass. In addition, MeJA application in sweet potato plants affected photosynthetic performance and increased and antioxidant phenolic compounds, carotenoids, anthocyanins,and proline. The evaluated response mechanisms showed that the severity of drought was more prominent than the positive effects of MeJA, since the increases on antioxidant pigments and secondary metabolites were not sufficient to mitigate stress caused by drought, which was reflected in the reduced tuberous root production. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-10T20:11:45Z 2020-12-10T20:11:45Z 2020-07-01 |
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/10.1590/1678-4499.20200203 Bragantia. Campinas: Inst Agronomico, v. 79, n. 3, p. 319-334, 2020. 0006-8705 http://hdl.handle.net/11449/197276 10.1590/1678-4499.20200203 S0006-87052020000300319 WOS:000565782100002 S0006-87052020000300319.pdf |
url |
http://dx.doi.org/10.1590/1678-4499.20200203 http://hdl.handle.net/11449/197276 |
identifier_str_mv |
Bragantia. Campinas: Inst Agronomico, v. 79, n. 3, p. 319-334, 2020. 0006-8705 10.1590/1678-4499.20200203 S0006-87052020000300319 WOS:000565782100002 S0006-87052020000300319.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Bragantia |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
319-334 application/pdf |
dc.publisher.none.fl_str_mv |
Inst Agronomico |
publisher.none.fl_str_mv |
Inst Agronomico |
dc.source.none.fl_str_mv |
Web of Science 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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1808128830092607488 |