Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings
Climate change has resulted in an increasing frequency of the phenomenon “La Niña,” generating prolonged periods of waterlogging and low light. The objective of the present study was to evaluate the effects of two abiotic stresses: shading (65%) and waterlogging, and their interaction on fluorescenc...
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| Format: | Online |
| Language: | eng |
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Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
2019
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| Online Access: | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/10017 |
| _version_ | 1801706284485967872 |
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| author | Sánchez-Reinoso, Alefsi David Jiménez-Pulido, Yulieth Martínez-Pérez, Jean Paul Pinilla, Carlos Salvador Fischer, Gerhard |
| author_facet | Sánchez-Reinoso, Alefsi David Jiménez-Pulido, Yulieth Martínez-Pérez, Jean Paul Pinilla, Carlos Salvador Fischer, Gerhard |
| author_sort | Sánchez-Reinoso, Alefsi David |
| collection | OJS |
| description | Climate change has resulted in an increasing frequency of the phenomenon “La Niña,” generating prolonged periods of waterlogging and low light. The objective of the present study was to evaluate the effects of two abiotic stresses: shading (65%) and waterlogging, and their interaction on fluorescence parameters of chlorophyll a in lulo (Solanum quitoense var. septentrionale) seedlings. A completely randomized design with a factorial arrangement was implemented. The first factor consisted of two levels of light (with and without shading). The second factor were four levels of duration of the waterlogging period (0, 3, 6 and 9 days), for a total of 8 treatments with three replicates. The response variables were recorded at 6, 12 and 18 days after the application of the waterlogging treatments began. Measurements of relative water content (RWC), electrolyte leakage, chlorophyll content and chlorophyll a fluorescence were recorded. The lulo plants appeared to be more susceptible to waterlogging than to shading, with a lower RWC when waterlogged 6 and 9 days, presenting damage at the level of photosystem II from day 3, causing a decrease in the chlorophyll content. The plants flooded under shading had a greater tolerance to this factor than those cultivated in full light. The techniques of quantification of the chlorophyll a fluorescence, especially the maximum quantum efficiency of the PSII, the effective photochemical quantum yield of PS II and the photochemical quenching were useful tools that characterized the lulo seedlings under stress conditions. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-10017 |
| institution | Revista Colombiana de Ciencias Hortícolas |
| language | eng |
| publishDate | 2019 |
| publisher | Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-100172020-08-04T02:22:28Z Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings Parámetros de fluorescencia de la clorofila y otros parámetros fisiológicos como indicadores del estrés por anegamiento y sombrío en plántulas de lulo (Solanum quitoense var. septentrionale) Sánchez-Reinoso, Alefsi David Jiménez-Pulido, Yulieth Martínez-Pérez, Jean Paul Pinilla, Carlos Salvador Fischer, Gerhard Oxidative stress Hypoxia Light energy dissipation Electrolyte leakage Stress Physiological fruit Estrés oxidativo Hipoxia Disipación de energía lumínica Fuga de electrolitos Estrés Fisiología de frutales Climate change has resulted in an increasing frequency of the phenomenon “La Niña,” generating prolonged periods of waterlogging and low light. The objective of the present study was to evaluate the effects of two abiotic stresses: shading (65%) and waterlogging, and their interaction on fluorescence parameters of chlorophyll a in lulo (Solanum quitoense var. septentrionale) seedlings. A completely randomized design with a factorial arrangement was implemented. The first factor consisted of two levels of light (with and without shading). The second factor were four levels of duration of the waterlogging period (0, 3, 6 and 9 days), for a total of 8 treatments with three replicates. The response variables were recorded at 6, 12 and 18 days after the application of the waterlogging treatments began. Measurements of relative water content (RWC), electrolyte leakage, chlorophyll content and chlorophyll a fluorescence were recorded. The lulo plants appeared to be more susceptible to waterlogging than to shading, with a lower RWC when waterlogged 6 and 9 days, presenting damage at the level of photosystem II from day 3, causing a decrease in the chlorophyll content. The plants flooded under shading had a greater tolerance to this factor than those cultivated in full light. The techniques of quantification of the chlorophyll a fluorescence, especially the maximum quantum efficiency of the PSII, the effective photochemical quantum yield of PS II and the photochemical quenching were useful tools that characterized the lulo seedlings under stress conditions. El cambio climático trae como consecuencia el aumento en la frecuencia de fenómenos como los eventos “La Niña”, generando periodos prolongados de anegamiento y sombrío. El objetivo del presente estudio fue evaluar los efectos de dos estreses abióticos sombrío (65%) y anegamiento y su interacción sobre parámetros de fluorescencia de la clorofila a en plántulas de lulo (Solanum quitoense var. septentrionale). Se implementó un diseño completamente al azar con un arreglo factorial. El primer factor consistió en dos niveles de sombrío (sin y con). El segundo factor fueron cuatro niveles (0, 3, 6 y 9 days) de duración del periodo de anegamiento, para un total de 8 tratamientos con tres repeticiones. Las variables de respuesta se registraron a los 6, 12 y 18 días después de iniciada la aplicación de los tratamientos de anegamiento. Se registraron medidas de contenido relativo de agua (CRA), fuga de electrolitos, contenido de clorofilas y fluorescencia de la clorofila a. Se encontró que las plantas de lulo son más susceptibles al anegamiento que al sombrío, evidenciado en una reducción del CRA en condiciones de anegamiento durante 6 y 9 días, presentando daño a nivel de fotosistema II a partir del día 3 y causando disminución en el contenido de clorofilas. Las plantas bajo sombrío presentaron mayor tolerancia al anegamiento en comparación a aquellas sin sombrío. Las técnicas de cuantificación de la fluorescencia de la clorofila a, especialmente la eficiencia máxima del PSII, la eficiencia real del PSII y el quenching fotoquímico, fueron una herramienta útil que permitió la caracterización de plántulas de lulo a condiciones de estrés. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2019-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto Texte Testo Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/10017 10.17584/rcch.2019v13i3.10017 Revista Colombiana de Ciencias Hortícolas; Vol. 13 No. 3 (2019); 325-335 Revista Colombiana de Ciencias Hortícolas; Vol. 13 Núm. 3 (2019); 325-335 Revista Colombiana de Ciencias Hortícolas; Vol. 13 No 3 (2019); 325-335 Revista Colombiana de Ciencias Hortícolas; V. 13 N. 3 (2019); 325-335 Revista Colombiana de Ciencias Hortícolas; v. 13 n. 3 (2019); 325-335 2422-3719 2011-2173 eng https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/10017/8786 Colombia; Bogota Colombia; Bogota Colombia; Bogota Colombia; Bogota Colombia; Bogota Copyright (c) 2019 Revista Colombiana de Ciencias Hortícolas |
| spellingShingle | Oxidative stress Hypoxia Light energy dissipation Electrolyte leakage Stress Physiological fruit Estrés oxidativo Hipoxia Disipación de energía lumínica Fuga de electrolitos Estrés Fisiología de frutales Sánchez-Reinoso, Alefsi David Jiménez-Pulido, Yulieth Martínez-Pérez, Jean Paul Pinilla, Carlos Salvador Fischer, Gerhard Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title | Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title_alt | Parámetros de fluorescencia de la clorofila y otros parámetros fisiológicos como indicadores del estrés por anegamiento y sombrío en plántulas de lulo (Solanum quitoense var. septentrionale) |
| title_full | Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title_fullStr | Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title_full_unstemmed | Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title_short | Chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo (Solanum quitoense var. septentrionale) seedlings |
| title_sort | chlorophyll fluorescence and other physiological parameters as indicators of waterlogging and shadow stress in lulo solanum quitoense var septentrionale seedlings |
| topic | Oxidative stress Hypoxia Light energy dissipation Electrolyte leakage Stress Physiological fruit Estrés oxidativo Hipoxia Disipación de energía lumínica Fuga de electrolitos Estrés Fisiología de frutales |
| topic_facet | Oxidative stress Hypoxia Light energy dissipation Electrolyte leakage Stress Physiological fruit Estrés oxidativo Hipoxia Disipación de energía lumínica Fuga de electrolitos Estrés Fisiología de frutales |
| url | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/10017 |
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