Changes in quality and maturity of ‘Duke’ and ‘Brigitta’ blueberries during fruit development: postharvest implications
| Autor: | Gustavo A. Lobos, Claudia Moggia Lucchini, Marcelo Valdés, Carla González, Isabel Lara Ayala, Carolina Bravo, Jordi Graell i Sarle |
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| Rok vydání: | 2018 |
| Předmět: |
0106 biological sciences
Weight loss Chroma Respiration Fruit development 04 agricultural and veterinary sciences Berry Horticulture Biology biology.organism_classification 01 natural sciences Ethylene Firmness Hue angle 040103 agronomy & agriculture Postharvest 0401 agriculture forestry and fisheries Cultivar 010606 plant biology & botany Vaccinium |
| Zdroj: | Repositorio Abierto de la UdL Universitad de Lleida Recercat. Dipósit de la Recerca de Catalunya instname |
| ISSN: | 1113-0539 |
| Popis: | Fresh Chilean blueberries take in average 20-50 days to reach overseas markets, so a better knowledge of their postharvest behavior would help maintaining their quality for longer periods. Quality of highbush blueberries (Vaccinium corymbosum L. ‘Duke’ and ‘Brigitta’) was assessed at six stages based on color: 100% green (100G), 75% green + 25% pink (25P), 50% green + 50% pink (50P), 25% green + 75% pinkblue (75B), 90-100% blue (100B), 100% blue+5 extra days on plant (100B+5). Also, 75P, 100B and 100B+5 fruit were evaluated after storage at 2°C for 45 days + 1 d at 18°C. Over berry maturation from 100G to 100B, color developed steadily while firmness and TA decreased. Respiration and ethylene production rates peaked early, at 25P and 50P, respectively, and were higher for ‘Duke’ than for ‘Brigitta’. After harvest, cultivar- and maturity-related differences were found. ‘Brigitta’ fruit retained higher firmness and had lower weight loss than ‘Duke’. In general, 100B+5 fruit were over-ripe and showed low quality. Additional physiological, morphological and biochemical studies for a wider range of cultivars will be needed. This work was supported by the National Commission for Scientific and Technological Research (CONICYT) of Chile (grants FONDECYT 11130539 and PCHA/Doctorado Nacional/2013-63130042), and by the research program “Adaptation of Agriculture to Climate Change (A2C2)”, from Universidad de Talca, Chile. The work in Spain was supported partially by “Fundación Carolina” and “Programa de Doctorado en Ciencia y Tecnologı́a Agraria y Alimentaria”, from Universitat de Lleida, Spain. |
| Databáze: | OpenAIRE |
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