Foliar Application of Salicylic Acid to Mitigate Water Stress in Tomato

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dc.contributor.authorAires, Eduardo Santana [UNESP]
dc.contributor.authorFerraz, Andrew Kim Lopes [UNESP]
dc.contributor.authorCarvalho, Beatriz Lívero [UNESP]
dc.contributor.authorTeixeira, Fabricio Palla [UNESP]
dc.contributor.authorPutti, Fernando Ferrari [UNESP]
dc.contributor.authorde Souza, Emanuele Possas [UNESP]
dc.contributor.authorRodrigues, João Domingos [UNESP]
dc.contributor.authorOno, Elizabeth Orika [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.date.accessioned2023-03-02T06:29:30Z
dc.date.available2023-03-02T06:29:30Z
dc.date.issued2022-07-01
dc.description.abstractSalicylic acid (SA) is an important plant regulator reported as a mitigator of water deficit in plants, however without a recommendation for use in field conditions. Thus, this research aims to validate the use of SA under field conditions in regions with low water availability. For that, we evaluated CO2 assimilation (A), stomatal conductance (gs ), transpiration (E), water use efficiency (WUE), and carboxylation efficiency (A/Ci) at 15, 30, and 45 days of continuous stress water deficit, as well as the application of salicylic acid (0.0; 0.5; 1.0; 1.5; 2.0 mM) in tomato plants subjected to continuous water deficit (45 days), in two years (2019 and 2020). The water deficit reduced the A, gs, E and A/Ci, while the foliar application of SA increased these parameters in all evaluated times, resulting in similar or even higher values than in plants without water deficit. Water deficit caused floral abortion in tomato plants, without the application of SA, reducing the number of fruit production. In contrast, plants that received about 1.3 mM of SA increased A and A/Ci and translocated the photo-assimilates, mainly to flowers and fruits, reducing floral abortion and increasing fruit production. Thus, foliar application of SA was efficient in mitigating the deleterious effects of water deficit in tomato plants regarding the gas exchange and fruit production.en
dc.description.affiliationDepartment of Horticulture School of Agronomy São Paulo State University (Unesp)
dc.description.affiliationSchool of Sciences and Engineering São Paulo State University (Unesp)
dc.description.affiliationDepartment of Botany Institute of Biosciences São Paulo State University (Unesp)
dc.description.affiliationUnespDepartment of Horticulture School of Agronomy São Paulo State University (Unesp)
dc.description.affiliationUnespSchool of Sciences and Engineering São Paulo State University (Unesp)
dc.description.affiliationUnespDepartment of Botany Institute of Biosciences São Paulo State University (Unesp)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipIdCAPES: 001
dc.identifierhttp://dx.doi.org/10.3390/plants11131775
dc.identifier.citationPlants, v. 11, n. 13, 2022.
dc.identifier.doi10.3390/plants11131775
dc.identifier.issn2223-7747
dc.identifier.scopus2-s2.0-85133272938
dc.identifier.urihttp://hdl.handle.net/11449/241999
dc.language.isoeng
dc.relation.ispartofPlants
dc.sourceScopus
dc.subjectfloral abortion
dc.subjectphotosynthesis
dc.subjectplant regulation
dc.subjectSolanum lycopersicum
dc.subjectwater deficit
dc.titleFoliar Application of Salicylic Acid to Mitigate Water Stress in Tomatoen
dc.typeArtigo

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