Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar
This study evaluated the impact of deficit irrigation during preharvest on the physiological and productive responses of ‘Regina’/Gisela 6 sweet cherry. After harvest, deficit-irrigated trees were water recovered, and physiological variables were measured. Fruit condition was evaluated after 45 days...
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MDPI AG
2025-02-01
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| author | Vanessa Huerta-Mendoza Rocio Catalán-Paine Iverly Romero Jorge González-Villagra Ricardo Tighe-Neira Josefina Bota Emilio Jorquera-Fontena |
| author_facet | Vanessa Huerta-Mendoza Rocio Catalán-Paine Iverly Romero Jorge González-Villagra Ricardo Tighe-Neira Josefina Bota Emilio Jorquera-Fontena |
| author_sort | Vanessa Huerta-Mendoza |
| collection | DOAJ |
| description | This study evaluated the impact of deficit irrigation during preharvest on the physiological and productive responses of ‘Regina’/Gisela 6 sweet cherry. After harvest, deficit-irrigated trees were water recovered, and physiological variables were measured. Fruit condition was evaluated after 45 days of cold storage. The experiment was carried out during the 2023–2024 season in an orchard located in La Araucanía, Chile. At 37 days after starting treatment (DAST), deficit irrigation (DI) depressed stem water potential (Ψ<sub>s</sub>), photosynthesis (<i>A<sup>sat</sup></i>), stomatal conductance, and intercellular CO<sub>2</sub> concentration with respect to controls (WI). Findings suggest that stomatal behavior was near-anisohydric on a temporal scale. Carbon partitioning into sorbitol was favored over sucrose in DI leaves, indicating improved osmoprotection. At 51 DAST, water-recovered DI trees had a Ψ<sub>s</sub> equivalent to WI trees but lower <i>A<sup>sat</sup></i>. Chlorophylls (SPAD) remained unaffected throughout the trial. Treatments produced similar yields, whereas DI inhibited trunk cross-sectional area growth. The DI treatment had no effect on any of the fruit quality traits other than size. Similarly, fruit condition following 45 days of cold storage was not influenced by reduced irrigation. The physiological and productive responses of ‘Regina’/Gisela 6 sweet cherry trees to preharvest deficit irrigation increased water productivity in the field. |
| format | Article |
| id | doaj-art-22b4f89e4d6249d0ae2c330b2aab688e |
| institution | DOAJ |
| issn | 2223-7747 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
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| series | Plants |
| spelling | doaj-art-22b4f89e4d6249d0ae2c330b2aab688e2025-08-20T03:11:22ZengMDPI AGPlants2223-77472025-02-0114451710.3390/plants14040517Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) CultivarVanessa Huerta-Mendoza0Rocio Catalán-Paine1Iverly Romero2Jorge González-Villagra3Ricardo Tighe-Neira4Josefina Bota5Emilio Jorquera-Fontena6Programa de Magister en Ciencias Agropecuarias, Departamento de Ciencias Agropecuarias y Acuícolas, Universidad Católica de Temuco, Temuco 4780000, ChilePrograma de Magister en Ciencias Agropecuarias, Departamento de Ciencias Agropecuarias y Acuícolas, Universidad Católica de Temuco, Temuco 4780000, ChileCentro Regional Carillanca, Instituto de Investigaciones Agropecuarias, Temuco 4880000, ChileEscuela de Agronomía, Facultad de Ciencias, Ingenieria y Tecnología, Universidad Mayor, Temuco 4801043, ChileDepartamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco 4780000, ChileResearch Group on Plant Biology under Mediterranean Conditions, Department de Biologia, Universitat de les Illes Balears, 07122 Palma de Mallorca, SpainDepartamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco 4780000, ChileThis study evaluated the impact of deficit irrigation during preharvest on the physiological and productive responses of ‘Regina’/Gisela 6 sweet cherry. After harvest, deficit-irrigated trees were water recovered, and physiological variables were measured. Fruit condition was evaluated after 45 days of cold storage. The experiment was carried out during the 2023–2024 season in an orchard located in La Araucanía, Chile. At 37 days after starting treatment (DAST), deficit irrigation (DI) depressed stem water potential (Ψ<sub>s</sub>), photosynthesis (<i>A<sup>sat</sup></i>), stomatal conductance, and intercellular CO<sub>2</sub> concentration with respect to controls (WI). Findings suggest that stomatal behavior was near-anisohydric on a temporal scale. Carbon partitioning into sorbitol was favored over sucrose in DI leaves, indicating improved osmoprotection. At 51 DAST, water-recovered DI trees had a Ψ<sub>s</sub> equivalent to WI trees but lower <i>A<sup>sat</sup></i>. Chlorophylls (SPAD) remained unaffected throughout the trial. Treatments produced similar yields, whereas DI inhibited trunk cross-sectional area growth. The DI treatment had no effect on any of the fruit quality traits other than size. Similarly, fruit condition following 45 days of cold storage was not influenced by reduced irrigation. The physiological and productive responses of ‘Regina’/Gisela 6 sweet cherry trees to preharvest deficit irrigation increased water productivity in the field.https://www.mdpi.com/2223-7747/14/4/517stem water potentialphotosynthesisstomatal conductanceyieldfruit quality and conditioncold storage |
| spellingShingle | Vanessa Huerta-Mendoza Rocio Catalán-Paine Iverly Romero Jorge González-Villagra Ricardo Tighe-Neira Josefina Bota Emilio Jorquera-Fontena Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar Plants stem water potential photosynthesis stomatal conductance yield fruit quality and condition cold storage |
| title | Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar |
| title_full | Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar |
| title_fullStr | Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar |
| title_full_unstemmed | Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar |
| title_short | Effect of Late Preharvest Deficit Irrigation on Physiological and Agronomical Responses in ‘Regina’/Gisela 6 Sweet Cherry (<i>Prunus avium</i> L.) Cultivar |
| title_sort | effect of late preharvest deficit irrigation on physiological and agronomical responses in regina gisela 6 sweet cherry i prunus avium i l cultivar |
| topic | stem water potential photosynthesis stomatal conductance yield fruit quality and condition cold storage |
| url | https://www.mdpi.com/2223-7747/14/4/517 |
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