Artículo
Influence of irrigation conditions in the germination of plasma treated Nasturtium seeds
Autor/es | Molina, Ricardo
López Santos, Carmen Gómez Ramírez, Ana María Vilches, Alberto Espinós Manzorro, Juan Pedro Rodríguez González-Elipe, Agustín |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2018 |
Fecha de depósito | 2018-11-26 |
Publicado en |
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Resumen | Plasma treatments had emerged as a useful technique to improve seed germination. In this work we investigate the influence of different irrigation conditions and plasma treatments on the germination of nasturtium seeds. ... Plasma treatments had emerged as a useful technique to improve seed germination. In this work we investigate the influence of different irrigation conditions and plasma treatments on the germination of nasturtium seeds. During plasma treatment, seeds experience a progressive weight loss as a function of treatment time that has been associated to water release, a process that is more pronounced after longer plasma treatment times. Seeds treated for short times (<30 s) are able to germinate more efficiently than untreated specimen under hydric stress (drought conditions), while plasma treatments for longer times (up to 300 s) impaired germination independently on irrigation conditions. Characterization analysis of plasma treated seeds by FTIR-ATR, SEM/EDX and XPS showed that plasma treatment affected the chemical state of pericarp while, simultaneously, induced a considerable increase in the seeds water uptake capacity. The decrease in germination efficiency found after plasma treatment for long times, or for short times under optimum irrigation conditions, has been attributed to that the excess of water accumulated in the pericarp hampers the diffusion up to the embryo of other agents like oxygen which are deemed essential for germination. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Junta de Andalucía |
Identificador del proyecto | projects MAT2013-40852-R
MAT2016-79866-R MINECOCSIC 201560E055 P12-2265 MO |
Cita | Molina, R., López Santos, C., Gómez Ramírez, A.M., Vilches, A., Espinós Manzorro, J.P. y Rodríguez González-Elipe, A. (2018). Influence of irrigation conditions in the germination of plasma treated Nasturtium seeds. Scientific Reports, 8 (16442), 1-11. |
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