dc.creator | Luca, Anna De | es |
dc.creator | Corell González, Mireia | es |
dc.creator | Chivet, Mathilde | es |
dc.creator | Parrado, M. Ángeles | es |
dc.creator | Pardo, José M. | es |
dc.creator | Leidi Montes, Eduardo Óscar | es |
dc.date.accessioned | 2022-07-25T10:40:52Z | |
dc.date.available | 2022-07-25T10:40:52Z | |
dc.date.issued | 2021 | |
dc.identifier.citation | Luca, A.D., Corell González, M., Chivet, M., Parrado, M.Á., Pardo, J.M. y Leidi Montes, E.Ó. (2021). Reassessing the Role of Potassium in Tomato Grown with Water Shortages. Horticulturae, 2021 (7) (2) (2021 (20)), 1 p.-13 p.. | |
dc.identifier.issn | 2311-7524 | es |
dc.identifier.uri | https://hdl.handle.net/11441/135754 | |
dc.description.abstract | Potassium (K) is closely related to plant water uptake and use and affects key processes in
assimilation and growth. The aim of this work was to find out to what extent K supply and enhanced
compartmentation might improve water use and productivity when tomato plants suffered from
periods of water stress. Yield, water traits, gas exchange, photosynthetic rate and biomass partition
were determined. When plants suffered dehydration, increasing K supply was associated with
reduction in stomatal conductance and increased water contents, but failed to protect photosynthetic
rate. Potassium supplements increased shoot growth, fruit setting and yield under water stress.
However, increasing the K supply could not counteract the great yield reduction under drought.
A transgenic tomato line with enhanced K uptake into vacuoles and able to reach higher plant K
contents, still showed poor yield performance under water stress and had lower K use efficiency
than the control plants. With unlimited water supply (hydroponics), plants grown in low-K showed
greater root hydraulic conductivity than at higher K availability and stomatal conductance was not
associated with leaf K concentration. In conclusion, increasing K supply and tissue content improved
some physiological features related to drought tolerance but did not overcome yield restrictions
imposed by water stress. | es |
dc.format | application/pdf | es |
dc.format.extent | 13 p. | es |
dc.language.iso | eng | es |
dc.publisher | MDPI | es |
dc.relation.ispartof | Horticulturae, 2021 (7) (2) (2021 (20)), 1 p.-13 p.. | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Solanum lycopersicum | es |
dc.subject | Drought potassium | es |
dc.subject | Vacuolar transporter | es |
dc.title | Reassessing the Role of Potassium in Tomato Grown with Water Shortages | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Agronomía | es |
dc.relation.publisherversion | https://www.mdpi.com/2311-7524/7/2/20 | es |
dc.identifier.doi | 10.3390/horticulturae7020020 | es |
dc.contributor.group | Universidad de Sevilla. AGR188: Agronomía. | es |
dc.journaltitle | Horticulturae | es |
dc.publication.volumen | 2021 (7) (2) | es |
dc.publication.issue | 2021 (20) | es |
dc.publication.initialPage | 1 p. | es |
dc.publication.endPage | 13 p. | es |
dc.identifier.sisius | 16685 | es |