Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards
Plant density is increasing in modern olive orchards to improve yields and facilitate mechanical harvesting. However, greater density can reduce light quantity and modify its quality. The objective was to evaluate plant morphology, biomass, and photosynthetic pigments under different red/far-red rat...
| Main Authors: | , , , , |
|---|---|
| Format: | Artículo |
| Language: | Inglés |
| Published: |
MDPI
2024
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/18483 https://www.mdpi.com/2223-7747/13/13/1822 https://doi.org/10.3390/plants13131822 |
| _version_ | 1855486181925453824 |
|---|---|
| author | Ladux, Federico J. Gonzalez, Carina Veronica Trentacoste, Eduardo Rafael Searles, Peter Stoughton Rousseaux, María Cecilia |
| author_browse | Gonzalez, Carina Veronica Ladux, Federico J. Rousseaux, María Cecilia Searles, Peter Stoughton Trentacoste, Eduardo Rafael |
| author_facet | Ladux, Federico J. Gonzalez, Carina Veronica Trentacoste, Eduardo Rafael Searles, Peter Stoughton Rousseaux, María Cecilia |
| author_sort | Ladux, Federico J. |
| collection | INTA Digital |
| description | Plant density is increasing in modern olive orchards to improve yields and facilitate mechanical harvesting. However, greater density can reduce light quantity and modify its quality. The objective was to evaluate plant morphology, biomass, and photosynthetic pigments under different red/far-red ratios and photosynthetically active radiation (PAR) combinations in an olive cultivar common to super-high-density orchards. In a greenhouse, young olive trees (cv. Arbequina) were exposed to low (L) or high (H) PAR with or without lateral FR supplementation (L+FR, L-FR, H+FR, H-FR) using neutral-density shade cloth and FR light-emitting diode (LED) modules. Total plant and individual organ biomass were much lower in plants under low PAR than under high PAR, with no response to +FR supplementation. In contrast, several plant morphological traits, such as main stem elongation, individual leaf area, and leaf angle, did respond to both low PAR and +FR. Total chlorophyll content decreased with +FR when PAR was low, but not when PAR was high (i.e., a significant FR*PAR interaction). When evaluating numerous plant traits together, a greater response to +FR under low PAR than under high PAR appeared to occur. These findings suggest that consideration of light quality in addition to quantity facilitates a fuller understanding of olive tree responses to a light environment. The +FR responses found here could lead to changes in hedgerow architecture and light distribution within the hedgerow. |
| format | Artículo |
| id | INTA18483 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA184832024-07-12T14:12:58Z Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards Ladux, Federico J. Gonzalez, Carina Veronica Trentacoste, Eduardo Rafael Searles, Peter Stoughton Rousseaux, María Cecilia Olea europaea Variedades Pigmento Espaciamiento Morfología Vegetal Biomasa Radiación Varieties Pigments Spacing Plant Morphology Biomass Radiation Olivo Variedad Arbequina Densidad de Siembra Plant density is increasing in modern olive orchards to improve yields and facilitate mechanical harvesting. However, greater density can reduce light quantity and modify its quality. The objective was to evaluate plant morphology, biomass, and photosynthetic pigments under different red/far-red ratios and photosynthetically active radiation (PAR) combinations in an olive cultivar common to super-high-density orchards. In a greenhouse, young olive trees (cv. Arbequina) were exposed to low (L) or high (H) PAR with or without lateral FR supplementation (L+FR, L-FR, H+FR, H-FR) using neutral-density shade cloth and FR light-emitting diode (LED) modules. Total plant and individual organ biomass were much lower in plants under low PAR than under high PAR, with no response to +FR supplementation. In contrast, several plant morphological traits, such as main stem elongation, individual leaf area, and leaf angle, did respond to both low PAR and +FR. Total chlorophyll content decreased with +FR when PAR was low, but not when PAR was high (i.e., a significant FR*PAR interaction). When evaluating numerous plant traits together, a greater response to +FR under low PAR than under high PAR appeared to occur. These findings suggest that consideration of light quality in addition to quantity facilitates a fuller understanding of olive tree responses to a light environment. The +FR responses found here could lead to changes in hedgerow architecture and light distribution within the hedgerow. EEA La Consulta Fil: Ladux, Federico J. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Ladux, Federico J. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Ladux, Federico J. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Ladux, Federico J. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Ladux, Federico J. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Ladux, Federico J. Universidad Nacional de La Rioja. Departamento de Ciencias Exactas, Físicas y Naturales; Argentina Fil: Gonzalez, Carina Veronica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza; Argentina Fil: Gonzalez, Carina Veronica. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina. Fil: Gonzalez, Carina Veronica. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales; Argentina Fil: Trentacoste, Eduardo Rafael. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Searles, Peter Stoughton. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de La Rioja. Departamento de Ciencias Exactas, Físicas y Naturales; Argentina 2024-07-12T14:10:26Z 2024-07-12T14:10:26Z 2024-07 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/18483 https://www.mdpi.com/2223-7747/13/13/1822 2223-7747 https://doi.org/10.3390/plants13131822 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf MDPI Plants 13 (13) : 1822. (July 2024) |
| spellingShingle | Olea europaea Variedades Pigmento Espaciamiento Morfología Vegetal Biomasa Radiación Varieties Pigments Spacing Plant Morphology Biomass Radiation Olivo Variedad Arbequina Densidad de Siembra Ladux, Federico J. Gonzalez, Carina Veronica Trentacoste, Eduardo Rafael Searles, Peter Stoughton Rousseaux, María Cecilia Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title | Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title_full | Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title_fullStr | Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title_full_unstemmed | Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title_short | Morphological and Pigment Responses to Far-Red and Photosynthetically Active Radiation in an Olive Cultivar Suitable for Super-High-Density Orchards |
| title_sort | morphological and pigment responses to far red and photosynthetically active radiation in an olive cultivar suitable for super high density orchards |
| topic | Olea europaea Variedades Pigmento Espaciamiento Morfología Vegetal Biomasa Radiación Varieties Pigments Spacing Plant Morphology Biomass Radiation Olivo Variedad Arbequina Densidad de Siembra |
| url | http://hdl.handle.net/20.500.12123/18483 https://www.mdpi.com/2223-7747/13/13/1822 https://doi.org/10.3390/plants13131822 |
| work_keys_str_mv | AT laduxfedericoj morphologicalandpigmentresponsestofarredandphotosyntheticallyactiveradiationinanolivecultivarsuitableforsuperhighdensityorchards AT gonzalezcarinaveronica morphologicalandpigmentresponsestofarredandphotosyntheticallyactiveradiationinanolivecultivarsuitableforsuperhighdensityorchards AT trentacosteeduardorafael morphologicalandpigmentresponsestofarredandphotosyntheticallyactiveradiationinanolivecultivarsuitableforsuperhighdensityorchards AT searlespeterstoughton morphologicalandpigmentresponsestofarredandphotosyntheticallyactiveradiationinanolivecultivarsuitableforsuperhighdensityorchards AT rousseauxmariacecilia morphologicalandpigmentresponsestofarredandphotosyntheticallyactiveradiationinanolivecultivarsuitableforsuperhighdensityorchards |